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Isoforms Recommended:	Camptothecins Camptothecins

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camptothecins

" in MedChemExpress (MCE) Product Catalog:

By Targets:	ADC Linker (3) ADC Payload (38) Antibiotic (4) Apoptosis (15) Bacterial (1) Bcl-2 Family (3) Caspase (4) Cyclin G-associated Kinase (GAK) (1) Cytochrome P450 (1) DNA Alkylator/Crosslinker (1) DNA/RNA Synthesis (5) Drug Derivative (9) Drug Intermediate (10) Drug Isomer (1) Drug Metabolite (1) Drug-Linker Conjugates for ADC (11) Elastase (1) Endogenous Metabolite (2) Fungal (4) IAP (2) IFNAR (1) Influenza Virus (3) Integrin (2) Isotope-Labeled Compounds (3) MDM-2/p53 (1) MicroRNA (3) PARP (1) Phosphodiesterase (PDE) (2) PROTAC Linkers (1) Reference Standards (4) STING (1) Survivin (4) Topoisomerase (65)
By Research Areas:	Cancer (112) Infection (6) Inflammation/Immunology (1) Neurological Disease (2)
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Isotope-Labeled Compounds

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Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-132160A

*7-Aminomethyl-10-methyl-11-fluoro camptothecin* TFA**	ADC Payload	Cancer
7-Aminomethyl-10-methyl-11-fluoro camptothecin TFA is a cytotoxin of MC-AAA-NHCH2OCH2COO-7-aminomethyl-10-methyl-11-fluoro camptothecin (HY-132158). 7-Aminomethyl-10-methyl-11-fluoro camptothecin TFA can be used for the synthesis of camptothecin antibody-drug conjugate (ADC) .

HY-132162A

7-MAD-MDCPT hydrochloride	ADC Payload	Cancer
7-MAD-MDCPT hydrochloride, a Camptothecin analog, is a toxin payload in antibody drug conjugates (ADCs) .

HY-153185

Decyclohexanamine-Exatecan	ADC Payload Topoisomerase	Cancer
Decyclohexanamine-Exatecan (compound a) is a Camptothecin derivative, with a structure containing Exatecan (HY-13631), which can be used as a ADC cytotoxin .

HY-16560R

Camptothecin (Standard) Campathecin (Standard); (S)-(+)-Camptothecin (Standard); CPT (Standard)	Reference Standards Topoisomerase ADC Payload MicroRNA Influenza Virus Apoptosis Fungal Antibiotic	Infection Cancer
Camptothecin (Standard) (Campathecin (Standard)) is the analytical standard of Camptothecin (HY-16560). This product is intended for research and analytical applications. Camptothecin (CPT), a kind of alkaloid, is a DNA topoisomerase I (Topo I) inhibitor with an IC₅₀ of 679 nM. Camptothecin (CPT) exhibits powerful antineoplastic activity against colorectal, breast, lung and ovarian cancers, modulates hypoxia-inducible factor-1α (HIF-1α) activity by changing microRNAs (miRNA) expression patterns in human cancer cells.

HY-159162

7-(2-Aminoethyl)camptothecin 7CPT	Drug Intermediate	Others
7-(2-Aminoethyl)camptothecin (7CPT) is a derivative of camptothecin that can be used to prepare TFO-CPT conjugates .

HY-164861

Camptothecin analog-2	Drug Derivative	Cancer
Camptothecin analog-2 (Compound 7b-2) is a camptothecin derivative. Camptothecin analog-2 can be used in the study of cancer .

HY-177267

Camptothecin derivative-3	Drug Derivative ADC Payload	Cancer
Camptothecin derivative-3 (Compound 11) is a derivative of Camptothecin (HY-16560) and can serve as a payload for ADCs. Camptothecin derivative-3 has certain cytotoxicity, with IC₅₀ values of 2 nM and 0.9 nM against HSC-2 and Namalwa/luc cells, respectively. Camptothecin derivative-3 can be used in tumor-related research .

HY-132162B

7-MAD-MDCPT TFA	ADC Payload	Cancer
7-MAD-MDCPT TFA, a Camptothecin analog, is a toxin payload in antibody drug conjugates (ADCs) .

HY-176777

7-Methylol-9-methoxy-10-F-camptothecin	Drug Derivative ADC Payload	Cancer
7-Methylol-9-methoxy-10-F-camptothecin (Compound D6-1) is a derivative of Camptothecin (HY-16560). 7-Methylol-9-methoxy-10-F-camptothecin can be used as a cytotoxic payload for synthesis of antibody-drug conjugates (ADCs) .

HY-107133

Simmitecan hydrochloride	Topoisomerase Cytochrome P450	Cancer
Simmitecan hydrochloride, a 9-substituted lipophilic Camptothecin (HY-16560) derivative, is a potent topoisomerase I inhibitor. Simmitecan hydrochloride is an anticancer agent .

HY-13670A

Lurtotecan dihydrochloride GI147211 dihydrochloride; OSI-211 dihydrochloride	Topoisomerase	Cancer
Lurtotecan dihydrochloride (GI147211), a semisynthetic Camptothecin analog, is a topoisomerase I inhibitor. Lurtotecan dihydrochloride has anticancer effects .

HY-13670

Lurtotecan GI147211; OSI-211	Topoisomerase	Cancer
Lurtotecan (GI147211; OSI-211), a semisynthetic Camptothecin analog, is a topoisomerase I inhibitor. Lurtotecan has anticancer effects .

HY-B0063

Gimatecan ST1481	Topoisomerase	Cancer
Gimatecan (ST1481) is a potent topoisomerase I inhibitor. Gimatecan is an orally bioavailable camptothecin analogue with antitumor activity .

HY-148185

T01-1 KL610023	ADC Payload	Cancer
T01-1 is an anticancer agent (camptothecin derivative) with good anti-proliferative activity .

HY-114983

Chimmitecan (S)-9-Allyl-10-Hydroxycamptothecin	Topoisomerase	Cancer
Chimmitecan ((S)-9-Allyl-10-Hydroxycamptothecin), a novel 9-small-alkyl-substituted lipophilic Camptothecin (HY-16560), is a potent inhibitor of topoisomerase I. Chimmitecan exhibits anticancer activity .

HY-160438B

PBX-7011 TFA	Bcl-2 Family Survivin	Cancer
PBX-7011 TFA is a derivative of camptothecin (HY-16560), which inhibits expressions of the cancer related survival genes DDX5, Survivin, Mcl-1 and XIAP in cells FaDu, degrades DDX5 proteins and exhibits anticancer activity .

HY-160438A

PBX-7011 mesylate	Others	Cancer
PBX-7011 mesylate is an active Camptothecin (HY-16560) derivative. PBX-7011 can bind to the DDX5 protein in cells, thereby inducing cell death through DDX5 protein degradation .

HY-160438

PBX-7011	Survivin	Cancer
PBX-7011 is an active camptothecin (HY-16560) derivative. PBX-7011 can bind to the DDX5 protein in cells, thereby inducing cell death through DDX5 protein degradation .

HY-158388

Anticancer agent 215	Topoisomerase	Cancer
Anticancer agent 215 (1) is a Camptothecin compound, with IC₅₀ values of 5.2 nM and 8.2 nM in MCF-7 cells and MDA-MB-231 cells, respectively .

HY-161095

iRGD-CPT	DNA/RNA Synthesis Integrin Topoisomerase	Cancer
iRGD-CPT is a conjugate of iRGD and camptothecin that is covalently coupled through a heterobifunctional linker. iRGD-CPT has anticancer activity in vitroandin vivo. iRGD-CPT can be used for the study of colon cancer .

HY-179204

7-MAD-MDCPT-AC-(s-cyclopropane)	ADC Payload	Cancer
7-MAD-MDCPT-AC-(s-cyclopropane) is a derivative of camptothecin. 7-MAD-MDCPT-AC-(s-cyclopropane) can be connected to monoclonal antibodies via linkers to form antibody-drug conjugate (ADC) molecules. 7-MAD-MDCPT-AC-(s-cyclopropane) can be used for cancer research .

HY-N2108

7-Ethylcamptothecin	Drug Derivative Drug Intermediate	Cancer
7-Ethylcamptothecin is a derivative of Camptothecin (HY-16560) and a key intermediate in the synthesis of SN-38 (HY-13704). 7-Ethylcamptothecin can be used in tumor-related research .

HY-12486

FL118 2 Publications Verification 10,11-(Methylenedioxy)-20(S)-camptothecin	Survivin Apoptosis IAP	Cancer
FL118 (10,11-(Methylenedioxy)-20(S)-camptothecin), a Camptothecin (HY-16560) analogue, is a potent and orally active survivin inhibitor. FL118 binds to oncoprotein DDX5 (p68) to dephosphorylates and degrades DDX5. FL118 can be used for the research of cancer .

HY-14688

CEP-8983	PARP	Cancer
CEP-8983 is a PARP-1 and PARP-2 inhibitor (IC₅₀: 20 and 6 nM). CEP-8983 is an effective chemosensitizing agent, and can sensitize chemotherapy-resistant cell lines and subcutaneous xenografts to Temozolomide (HY-17364) and Camptothecin (HY-16560) .

HY-139909

CL2E-SN38	Drug-Linker Conjugates for ADC	Cancer
CL2E-SN-38, a highly releasable and structurally stable antibody-SN-38-conjugate, is a part of the antibody drug conjugate (ADC). SN-38, the active metabolite of Irinotecan from camptothecins, is an Topoisomerase I inhibitor .

HY-139909A

CL2E-SN38 TFA 1 Publications Verification	Drug-Linker Conjugates for ADC	Cancer
CL2E-SN-38 TFA, a highly releasable and structurally stable antibody-SN-38-conjugate, is a part of the antibody drug conjugate (ADC). SN-38, the active metabolite of Irinotecan from camptothecins, is an Topoisomerase I inhibitor .

HY-160598

Exatecan-amide-bicyclo[1.1.1]pentan-1-ylmethanol	ADC Payload Topoisomerase	Cancer
Exatecan-amide-bicyclo[1.1.1]pentan-1-ylmethanol (compound 45) is a camptothecin compound that can inhibit cell proliferation, with an IC₅₀ of 2.92 ng/mL for MDA‑MB‑468 cells. Exatecan-amide-bicyclo[1.1.1]pentan-1-ylmethanol can be used for the research of cancer .

HY-148058

Topoisomerase I inhibitor 8	Topoisomerase	Cancer
Topoisomerase I inhibitor 8 is a potent topoisomerase I inhibitor. Topoisomerase I inhibitor 8 is a hexacyclic analogue of camptothecin, and displays cytotoxic effect against tumor cells .

HY-132164

Gly-7-MAD-MDCPT	ADC Payload Topoisomerase	Cancer
Gly-7-MAD-MDCPT (compound 4b) is an anticancer agent. Gly-7-MAD-MDCPT is a Camptothecin (HY-16560) compound, it shows cytotoxicity to various cancer cells with IC₅₀ values of 10-1000 nM .

HY-173549

CPPA-TPP CPPA-Triphenylphosphonium	Drug Intermediate	Cancer
CPPA-TPP (CPPA-Triphenylphosphonium) is a compound conjugated to the mitochondria-targeting moiety triphenylphosphonium (TPP). CPPA-TPP can be used in the synthesis of nanoparticles that release Camptothecin (HY-16560) in a reactive oxygen species dependent manner, leading to cancer cell death .

HY-132164A

Gly-7-MAD-MDCPT hydrochloride	ADC Payload Topoisomerase	Cancer
Gly-7-MAD-MDCPT (Compound 4b) hydrochloride is an anticancer agent. Gly-7-MAD-MDCPT hydrochloride is a Camptothecin (HY-16560) compound, which shows cytotoxicity to various cancer cells with IC₅₀ values of 10-1000 nM .

HY-132164B

Gly-7-MAD-MDCPT TFA	ADC Payload Topoisomerase	Cancer
Gly-7-MAD-MDCPT (Compound 4b) TFA is an anticancer agent. Gly-7-MAD-MDCPT TFA is a Camptothecin (HY-16560) compound, which shows cytotoxicity to various cancer cells with IC₅₀ values of 10-1000 nM .

HY-13622B

Elomotecan TFA BN 80927 TFA	Topoisomerase	Cancer
Elomotecan TFA is a potent inhibitor of topoisomerases I and II. Elomotecan TFA is a camptothecin analog belonging to the homocamptothecin family (hCPT). Elomotecan TFA reduces the proliferation of different tumor cells with higher potency than other anticancer agents of reference targeting topoisomerases I and II .

HY-13622A

Elomotecan BN 80927 free base	Topoisomerase	Cancer
Elomotecan (BN 80927 free base) is a potent inhibitor of topoisomerases I and II. Elomotecan is a camptothecin analog belonging to the homocamptothecin family (hCPT). Elomotecan reduces the proliferation of different tumor cells with higher potency than other anticancer agents of reference targeting topoisomerases I and II .

HY-13622

Elomotecan hydrochloride BN 80927	Topoisomerase	Cancer
Elomotecan hydrochloride (BN 80927) is a potent inhibitor of topoisomerases I and II. Elomotecan hydrochloride (BN 80927) is a camptothecin analog belonging to the homocamptothecin family (hCPT). Elomotecan hydrochloride (BN 80927) reduces the proliferation of different tumor cells with higher potency than other anticancer agents of reference targeting topoisomerases I and II .

HY-146025

Antitumor agent-F10	Drug Derivative	Cancer
Antitumor agent-F10 (Compound F10) is a camptothecin derivative. Antitumor agent-F10 is an orally–bioavailable and potent antitumor agent. Antitumor agent-F10 displays lower acute toxicity than SN-38 does and the solubility of F10 reached 9.86 μg/mL .

HY-114668A

Camptothecin-20(S)-O-propionate hydrate Camptothecin-20-O-propionate hydrate	Topoisomerase	Cancer
Camptothecin-20(S)-O-propionate (Camptothecin-20-O-propionate) hydrate, the C20-propionate ester of CPT, is a highly effective anticancer agent. Camptothecin-20(S)-O-propionate hydrate is a topoisomerase-Ι inhibitor .

HY-N8533

Sodium Camptothecin	DNA/RNA Synthesis	Infection Cancer
Sodium Camptothecin is a plant alkaloid, with antitumor activity. Sodium Camptothecin is a reversible inhibitor of RNA synthesis. Sodium Camptothecin is an effective inhibitor of adenovirus replication. Sodium Camptothecin inhibits DNA synthesis and causes breaks in intracellular preformed viral DNA .

HY-158230

SN-398	Topoisomerase	Cancer
SN-398 is a derivative of Camptothecin (HY-158230), which is an antitumor drug. Acting by inhibiting mammalian DNA topoisomerase I (Topo I), stabilizing the Topo I-DNA complex prevents DNA rewiring to induce Topo I mediated DNA breaks. In Hela cell tests, SN-398 shows stronger antitumor activity than SN-38 (HY-13704) (IC₅₀=1.562 μM). SN-398 can be used to study the anti-proliferation and growth inhibition of Topo I in cancer cells .

HY-44745

Camptothecin impurity 1	Drug Intermediate	Others
Camptothecin impurity 1 is an impurity of Camptothecin (HY-16560).

HY-156670

Camptothecin analog-1	Topoisomerase	Others
Camptothecin analog-1 (Comp 166) is a camptothecin analog .

HY-14833

Atiratecan TP300	Topoisomerase	Cancer
Atiratecan (TP300) is a proagent of camptothecin analog CH0793076 (HY-107096). Atiratecan does not inhibit acetylcholinesterase (AChE) activities. Atiratecan shows antitumor activity against both breast cancer resistance protein (BCRP)-positive and -negative xenografts in mouse xenograft models .

HY-172253

(5R)-Dimethylbenzene-camptothecin	Apoptosis	Cancer
(5R)-Dimethylbenzene-camptothecin (Compound 6a) is a camptothecin derivative. (5R)-Dimethylbenzene-camptothecin is cytotoxic to tumor cells and can induce apoptosis and cell cycle arrest. (5R)-Dimethylbenzene-camptothecin has anti-tumor activity .

HY-114668

Camptothecin-20(S)-O-propionate Camptothecin-20-O-propionate	Topoisomerase	Cancer
Camptothecin-20(S)-O-propionate (CZ48), the C20-propionate ester of CPT, is a highly effective anticancer agent. Camptothecin-20(S)-O-propionate (CZ48) is a topoisomerase-Ι inhibitor .

HY-W177546

CD00509	Phosphodiesterase (PDE) Apoptosis Caspase DNA/RNA Synthesis	Cancer
CD00509 is a tyrosyl-DNA phosphodiesterase (PDE) Tdp1 inhibitor with an IC₅₀ of 0.71 μM. CD00509 increases DNA damage and promotes apoptosis of MCF-7 cells. CD00509 can sensitize breast cancer cells and wild-type murine embryonic fibroblasts (MEFs) to Camptothecin (CPT) (HY-16560). CD00509 can be used for the study of cancers such as breast cancer .

HY-159162A

*7-(2-Aminoethyl)camptothecin* TFA** 7CPT TFA	Drug Derivative	Others
7-(2-Aminoethyl)camptothecin TFA (7CPT TFA) is the TFA salt form of Camptothecin (HY-16560) derivative 7-(2-Aminoethyl)camptothecin (HY-159162). 7-(2-Aminoethyl)camptothecin TFA can be used for synthesis of conjugate with triple helix-forming oligonucleotides (TFOs) and camptothecin (CPT). The TFO-CPT conjugate is used for DNA cleavage .

HY-178226

PBX-7016	ADC Payload Topoisomerase Survivin Bcl-2 Family IAP	Cancer
PBX-7016 is a Camptothecin (HY-16560) derivative. PBX-7016 can selectively inhibit Topoisomerase 1. PBX-7016 can specifically bind and degrade the cancer protein DDX5, thereby down-regulating the expression of anti-apoptotic proteins such as Survivin, Mcl-1, and XIAP, and promoting the apoptosis of cancer cells. PBX-7016 can be used to synthesis of ADCs .

HY-16560B

(R)-Camptothecin (R)-Campathecin; (R)-(+)-Camptothecin; (R)-CPT	Topoisomerase Drug Isomer	Others
(R)-Camptothecin is an enantiomer of Camptothecin (CPT), is inactive as an inhibitor of the DNA religation reaction and consequently do not poison Top1 .

HY-175779

TDP1-IN-4	Phosphodiesterase (PDE)	Cancer
TDP1-IN-4 (Compound 33) is a Tyrosyl-DNA phosphodiesterase 1 (TDP1) inhibitor with an IC₅₀ of 0.90  μM. TDP1-IN-4 has a strong synergistic effect with Camptothecin (HY-16560) in SK-Mel-2 cells, but not in cancer cells (A549, HCT-116 and MCF-7 cells) and non-cancerous Ges-1 cells. TDP1-IN-4 can be used for cancer chemotherapy and radiotherapy research .

HY-156723

9-Chloromethyl-10-hydroxy-11-F-Camptothecin	Topoisomerase	Cancer
9-Chloromethyl-10-hydroxy-11-F-Camptothecin is a novel camptothecin derivatives. 9-Chloromethyl-10-hydroxy-11-F-Camptothecin is a DNA topoisomerase I (Topo I) inhibitor, can be used in anticancer research .

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-N2108

7-Ethylcamptothecin	Alkaloids other families Classification of Application Fields Source classification Quinoline Alkaloids Camptotheca acuminata Decne. Nyssaceae Plants Disease Research Fields Cancer	Drug Derivative Drug Intermediate
7-Ethylcamptothecin is a derivative of Camptothecin (HY-16560) and a key intermediate in the synthesis of SN-38 (HY-13704). 7-Ethylcamptothecin can be used in tumor-related research .

HY-N8533

Sodium Camptothecin	Infection Alkaloids Pyrrole Alkaloids Classification of Application Fields Source classification Quinoline Alkaloids Camptotheca acuminata Decne. Plants Nyssaceae Disease Research Fields	DNA/RNA Synthesis
Sodium Camptothecin is a plant alkaloid, with antitumor activity. Sodium Camptothecin is a reversible inhibitor of RNA synthesis. Sodium Camptothecin is an effective inhibitor of adenovirus replication. Sodium Camptothecin inhibits DNA synthesis and causes breaks in intracellular preformed viral DNA .

HY-N2063

12-Ethyl-9-hydroxycamptothecin	Alkaloids Monophenols other families Pyrrole Alkaloids Classification of Application Fields Source classification Other Diseases Phenols Quinoline Alkaloids Plants Disease Research Fields	Topoisomerase
12-Ethyl-9-hydroxycamptothecin is a derivative of Camptothecin. Camptothecin (CPT), a kind of alkaloid, is a DNA topoisomerase I (Topo I) inhibitor with an IC₅₀ of 679 nM .

HY-W897655

20-O-Acetylcamptothecin O-Acetylcamptothecin	Alkaloids Source classification Camptotheca acuminata Decne. Nyssaceae Plants Isoquinoline Alkaloids	Topoisomerase
20-O-Acetylcamptothecin (O-Acetylcamptothecin) is a derivative of Camptothecin (HY-16560) and an inhibitor of Topoisomerase I .

HY-16560

*Camptothecin* 55+ Cited Publications Campathecin; (S)-(+)-Camptothecin; CPT	Infection Alkaloids Classification of Application Fields Quinoline Alkaloids Camptotheca acuminata Decne. Nyssaceae Plants Disease Research Fields	Topoisomerase ADC Payload MicroRNA Influenza Virus Apoptosis Fungal Antibiotic
Camptothecin (CPT), a kind of alkaloid, is a DNA topoisomerase I (Topo I) inhibitor with an IC₅₀ of 679 nM . Camptothecin (CPT) exhibits powerful antineoplastic activity against colorectal, breast, lung and ovarian cancers, modulates hypoxia-inducible factor-1α (HIF-1α) activity by changing microRNAs (miRNA) expression patterns in human cancer cells .

HY-13744

Rubitecan RFS 2000; 9-Nitrocamptothecin	Alkaloids Classification of Application Fields Source classification Quinoline Alkaloids Camptotheca acuminata Decne. Nyssaceae Plants Disease Research Fields Cancer	Topoisomerase
Rubitecan (RFS 2000), a Camptothecin derivative, is an orally active topoisomerase I inhibitor with broad antitumor activity, and induces protein-linked DNA single-strand breaks, thereby blocking DNA and RNA synthesis in dividing cells .

HY-N0446

10-Methoxycamptothecin	Alkaloids Classification of Application Fields Source classification Quinoline Alkaloids Camptotheca acuminata Decne. Plants Nyssaceae Disease Research Fields Cancer	ADC Payload
10-Methoxycamptothecin is a natural bioactive derivative of camptothecin (CPT) isolated from Camptotheca acuminata, and has been confirmed to possess high anti-cancer properties. 10-Methoxycamptothecin has higher cytotoxicity than 10-hydroxycamptothecin by testing antitumor activity against 2774 cell lines .

HY-16560R

Camptothecin (Standard) Campathecin (Standard); (S)-(+)-Camptothecin (Standard); CPT (Standard)	Alkaloids Quinoline Alkaloids Camptotheca acuminata Decne. Nyssaceae Plants	Reference Standards Topoisomerase ADC Payload MicroRNA Influenza Virus Apoptosis Fungal Antibiotic
Camptothecin (Standard) (Campathecin (Standard)) is the analytical standard of Camptothecin (HY-16560). This product is intended for research and analytical applications. Camptothecin (CPT), a kind of alkaloid, is a DNA topoisomerase I (Topo I) inhibitor with an IC₅₀ of 679 nM. Camptothecin (CPT) exhibits powerful antineoplastic activity against colorectal, breast, lung and ovarian cancers, modulates hypoxia-inducible factor-1α (HIF-1α) activity by changing microRNAs (miRNA) expression patterns in human cancer cells.

HY-N12418

(20S)-18,19-Dehydrocamptothecin	Alkaloids Other Alkaloids Source classification Plants Icacinaceae	Others
(20S)-18,19-Dehydrocamptothecin is a natural product that can be isolated from Nothapodytes Foetida .

HY-N2108R

7-Ethylcamptothecin (Standard)	Alkaloids other families Source classification Quinoline Alkaloids Camptotheca acuminata Decne. Nyssaceae Plants	Reference Standards Drug Derivative Drug Intermediate
7-Ethylcamptothecin (Standard) is the analytical standard of 7-Ethylcamptothecin (HY-N2108). This product is intended for research and analytical applications. 7-Ethylcamptothecin is a derivative of Camptothecin (HY-16560) and a key intermediate in the synthesis of SN-38 (HY-13704). 7-Ethylcamptothecin can be used in tumor-related research .

HY-N0446R

10-Methoxycamptothecin (Standard)	Alkaloids Source classification Quinoline Alkaloids Camptotheca acuminata Decne. Nyssaceae Plants	ADC Payload Reference Standards
10-Methoxycamptothecin (Standard) is the analytical standard of 10-Methoxycamptothecin. This product is intended for research and analytical applications. 10-Methoxycamptothecin is a natural bioactive derivative of camptothecin (CPT) isolated from Camptotheca acuminata, and has been confirmed to possess high anti-cancer properties. 10-Methoxycamptothecin has higher cytotoxicity than 10-hydroxycamptothecin by testing antitumor activity against 2774 cell lines .

HY-W040129

Chromomycin A3 1 Publications Verification	Microorganisms Source classification	DNA Alkylator/Crosslinker DNA/RNA Synthesis Apoptosis Caspase
Chromomycin A3 is an inhibitor that selectively binds to GC-rich DNA sequences. Chromomycin A3 targets the DNA minor groove after forming a dimer with Mg ²⁺. Chromomycin A3 inhibits DNA replication and transcription, blocks the binding of Sp1 transcription factor to target gene promoters, downregulates the expression of anti-apoptotic proteins such as FLIP, Mcl-1, and XIAP, and induces S-phase cycle arrest and caspase-dependent apoptosis in tumor cells. Chromomycin A3 can antagonize oxidative stress induced by glutathione depletion and neuronal apoptosis induced by Camptothecin (HY-15660). Chromomycin A3 can be used in basic research on malignant tumors such as cholangiocarcinoma, and is a potential chemosensitizer and GC-rich region probe .

HY-W040129R

Chromomycin A3 (Standard)	Microorganisms Source classification	Reference Standards Bacterial Fungal Apoptosis Antibiotic
Chromomycin A3 (Standard) is the analytical standard of Chromomycin A3 (HY-W040129). This product is intended for research and analytical applications. Chromomycin A3 is an inhibitor that selectively binds to GC-rich DNA sequences. Chromomycin A3 targets the DNA minor groove after forming a dimer with Mg ²⁺. Chromomycin A3 inhibits DNA replication and transcription, blocks the binding of Sp1 transcription factor to target gene promoters, downregulates the expression of anti-apoptotic proteins such as FLIP, Mcl-1, and XIAP, and induces S-phase cycle arrest and caspase-dependent apoptosis in tumor cells. Chromomycin A3 can antagonize oxidative stress induced by glutathione depletion and neuronal apoptosis induced by Camptothecin (HY-15660). Chromomycin A3 can be used in basic research on malignant tumors such as cholangiocarcinoma, and is a potential chemosensitizer and GC-rich region probe .

Cat. No.	Product Name	Chemical Structure

HY-16560S

Camptothecin-d5

Camptothecin-d₅ is the deuterium labeled Camptothecin. Camptothecin (CPT), a kind of alkaloid, is a DNA topoisomerase I (Topo I) inhibitor with an IC₅₀ of 679 nM . Camptothecin (CPT) exhibits powerful antineoplastic activity against colorectal, breast, lung and ovarian cancers, modulates hypoxia-inducible factor-1α (HIF-1α) activity by changing microRNAs (miRNA) expression patterns in human cancer cells .

HY-156756S

7-Hydroxymethyl-10,11-MDCPT-d5
7-Hydroxymethyl-10,11-MDCPT-d₅ is deuterium labeled 7-Hydroxymethyl-10,11-MDCPT, which is a is a payload that can be used for ADC synthesis .

HY-13566AS

Belotecan-d7 hydrochloride
Belotecan-d₇ (hydrochloride) is the deuterium labeled Belotecan hydrochloride. Belotecan hydrochloride (CKD-602 hydrochloride), a Topoisomerase I inhibitor, is a synthetic camptothecin derivative .

HY-W740221

7-Ethylcamptothecin-d3-1
7-Ethylcamptothecin-d₃-1 is the deuterium labeled 7-Ethylcamptothecin (HY-N2108). 7-Ethylcamptothecin is a derivative of Camptothecin (HY-16560) and a key intermediate in the synthesis of SN-38 (HY-13704). 7-Ethylcamptothecin can be used in tumor-related research .

Cat. No.	Product Name		Classification

HY-147363

DIBAC-GGFG-NH2CH2-Dxd		ADC Synthesis DBCO
DIBAC-GGFG-NH2CH2-Dxd (compound LP4), a Camptothecin (HY-16560) derivative, is a linker-payload of protein-agent conjugates . Dxd (HY-13631D) can be used as a payload for the antibody-coupling drug ADC (DS-8201a).DIBAC-GGFG-NH2CH2-Dxd is a click chemistry reagent, it contains a DBCO group that can undergo strain-promoted alkyne-azide cycloaddition (SPAAC) with molecules containing Azide groups .

HY-130572

Azido-PEG5-acid		PROTAC Synthesis ADC Synthesis Azide
Azido-PEG5-acid is a PEG-based PROTAC linker can be used in the synthesis of PROTACs, such as the conjugate CPT-APO (CPT: Camptothecin (HY-16560)). Azido-PEG5-acid is a non-cleavable 5 unit PEG ADC linker used in the synthesis of antibody-drug conjugates (ADCs) . Azido-PEG5-acid is a click chemistry reagent, it contains an Azide group and can undergo copper-catalyzed azide-alkyne cycloaddition reaction (CuAAc) with molecules containing Alkyne groups. It can also undergo strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with molecules containing DBCO or BCN groups.

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