PABA

By Targets:	ADC Linker (2) Antibiotic (8) Bacterial (11) Endogenous Metabolite (3) Fluorescent Dye (1) Isotope-Labeled Compounds (5) Reactive Oxygen Species (ROS) (2) Reference Standards (3)
By Research Areas:	Cancer (5) Infection (11) Neurological Disease (1)

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-B1008

4-Aminobenzoic acid 1 Publications Verification PABA; Vitamin Bx; Vitamin H1; p-Aminobenzoic acid	Endogenous Metabolite Bacterial Reactive Oxygen Species (ROS)	Infection
4-Aminobenzoic acid is an intermediate in the synthesis of folic acid by bacteria, plants and fungi. 4-Aminobenzoic acid has antibacterial and plant growth regulating properties .

HY-B1008R

4-Aminobenzoic acid (Standard) PABA (Standard); Vitamin Bx (Standard); Vitamin H1 (Standard); p-Aminobenzoic acid (Standard)	Reference Standards Endogenous Metabolite	Others
4-Aminobenzoic acid (Standard) is the analytical standard of 4-Aminobenzoic acid. This product is intended for research and analytical applications. 4-Aminobenzoic acid is an intermediate in the synthesis of folic acid by bacteria, plants and fungi.

HY-B1008S

4-Aminobenzoic acid-d4 PABA-d₄; Vitamin Bx-d₄; Vitamin H1-d₄; p-Aminobenzoic acid-d₄	Isotope-Labeled Compounds Endogenous Metabolite	Others
4-Aminobenzoic acid-d₄ is the deuterium labeled 4-Aminobenzoic acid. 4-Aminobenzoic acid is an intermediate in the synthesis of folate by bacteria, plants, and fungi.

HY-145489

Mal-PEG2-Val-Cit-PABA	ADC Linker	Cancer
Mal-PEG2-Val-Cit-PABA is a cleavable ADC linker used in the synthesis of antibody-drug conjugates (ADCs) .

HY-131156

*Mal-PEG2-Val-Cit-PABA-PNP*	ADC Linker	Cancer
Mal-PEG2-Val-Cit-PABA-PNP is a cleavable ADC linker used in the synthesis of antibody-drug conjugates (ADCs) .

HY-B0322S1

Sulfamethoxazole-13C6 Ro 4-2130-¹³C₆	Isotope-Labeled Compounds Antibiotic Bacterial	Infection
Sulfamethoxazole- ¹³C₆ (Ro 4-2130- ¹³C₆) is a ¹³C labeled Sulfamethoxazole (HY-B0322). Sulfamethoxazole (Ro 4-2130) is a sulfonamide antibiotic with a widespread antibacterial activity. Sulfamethoxazole inhibits bacterial folate metabolism by competing with 4-Aminobenzoic acid (HY-B1008) (PABA) to act on dihydropteroate synthetase and dihydropteroate reductase. Sulfamethoxazole can be used for the study of urinary tract infections (UTIs), prostatitis, and bronchitis .

HY-B0512S

Sulfamerazine-d4	Isotope-Labeled Compounds Bacterial	Infection
Sulfamerazine-d₄ is a deuterium labeled Sulfamerazine. Sulfamerazine, a sulfonamide antibacterial, inhibits bacterial synthesis of dihydrofolic acid by competing with para-aminobenzoic acid (PABA) for binding to dihydropteroate synthesizes .

HY-P10198

*Cbz-Lys-Lys-PABA-AMC diTFA*	Fluorescent Dye	Others
Cbz-Lys-Lys-PABA-AMC diTFA is a fluorogenic peptide .

HY-W354617

Roxadimate Ethyl dihydroxypropyl PABA	Reactive Oxygen Species (ROS)	Neurological Disease Cancer
Roxadimate (Ethyl dihydroxypropyl PABA) can be used as a sunscreen agent by scavenging free radicals and reducing oxidative stress. Roxadimate can protect cells from damage caused by radiation or neurotoxic insults. Roxadimate can be studied in research for cancer and neurodegenerative conditions .

HY-117065

MAC173979	Bacterial	Infection
MAC173979 is a inhibitor of PABA synthesis in E. coli. MAC173979 can be used for study of antibacterial drug development .

HY-B0322A

Sulfamethoxazole sodium Maximum Cited Publications 14 Publications Verification Ro 4-2130 sodium	Antibiotic Bacterial	Infection
Sulfamethoxazole (Ro 4-2130) sodium is a sulfonamide antibiotic with a widespread antibacterial activity. Sulfamethoxazole sodium inhibits bacterial folate metabolism by competing with 4-Aminobenzoic acid (HY-B1008) (PABA) to act on dihydropteroate synthetase and dihydropteroate reductase. Sulfamethoxazole sodium can be used for the study of urinary tract infections (UTIs), prostatitis, and bronchitis .

HY-B0322

Sulfamethoxazole Maximum Cited Publications 14 Publications Verification Ro 4-2130	Antibiotic Bacterial	Infection Cancer
Sulfamethoxazole (Ro 4-2130) is a sulfonamide antibiotic with a widespread antibacterial activity. Sulfamethoxazole inhibits bacterial folate metabolism by competing with 4-Aminobenzoic acid (HY-B1008) (PABA) to act on dihydropteroate synthetase and dihydropteroate reductase. Sulfamethoxazole can be used for the study of urinary tract infections (UTIs), prostatitis, and bronchitis .

HY-B0322B

Sulfamethoxazole 1000 µg/mL in methanol Ro 4-2130 1000 µg/mL in methanol	Antibiotic Bacterial	Infection
Sulfamethoxazole (Ro 4-2130) 1000 μg/mL in methanol is a sulfonamide antibiotic with a widespread antibacterial activity. Sulfamethoxazole 1000 μg/mL in methanol inhibits bacterial folate metabolism by competing with 4-Aminobenzoic acid (HY-B1008) (PABA) to act on dihydropteroate synthetase and dihydropteroate reductase. Sulfamethoxazole 1000 μg/mL in methanol can be used for the study of urinary tract infections (UTIs), prostatitis, and bronchitis .

HY-B0512S1

Sulfamerazine-13C6 RP2632-¹³C₆	Isotope-Labeled Compounds Bacterial Antibiotic	Infection
Sulfamerazine- ¹³C₆ (RP2632- ¹³C₆) is ¹³C labeled Sulfamerazine (HY-B0512). Sulfamerazine (RP-2632) is a sulfonamide antibacterial. Sulfamerazine, the monomethyl derivative of sulfadiazine, is 2-sulfanilamido-4-methylpyrimidine. Sulfamerazine is a sulfonamide drug that inhibits bacterial synthesis of dihydrofolic acid by competing with para-aminobenzoic acid (PABA) for binding to dihydropteroate synthesizes.

HY-B0322R

Sulfamethoxazole (Standard) Ro 4-2130 (Standard)	Reference Standards Antibiotic Bacterial	Infection
Sulfamethoxazole (Standard) (Ro 4-2130 (Standard)) is the analytical standard of Sulfamethoxazole (HY-B0322). This product is intended for research and analytical applications. Sulfamethoxazole (Ro 4-2130) is a sulfonamide antibiotic with a widespread antibacterial activity. Sulfamethoxazole inhibits bacterial folate metabolism by competing with 4-Aminobenzoic acid (HY-B1008) (PABA) to act on dihydropteroate synthetase and dihydropteroate reductase. Sulfamethoxazole can be used for the study of urinary tract infections (UTIs), prostatitis, and bronchitis.

HY-B0322AR

Sulfamethoxazole sodium (Standard) Ro 4-2130 sodium (Standard)	Reference Standards Antibiotic Bacterial	Infection Cancer
Sulfamethoxazole (Standard) (Ro 4-2130 (Standard)) sodium is the analytical standard of Sulfamethoxazole sodium (HY-B0322A). This product is intended for research and analytical applications. Sulfamethoxazole (Ro 4-2130) sodium is a sulfonamide antibiotic with a widespread antibacterial activity. Sulfamethoxazole sodium inhibits bacterial folate metabolism by competing with 4-Aminobenzoic acid (HY-B1008) (PABA) to act on dihydropteroate synthetase and dihydropteroate reductase. Sulfamethoxazole sodium can be used for the study of urinary tract infections (UTIs), prostatitis, and bronchitis.

HY-B0322S

Sulfamethoxazole-d4 1 Publications Verification Ro 4-2130-d₄	Isotope-Labeled Compounds Antibiotic Bacterial	Infection
Sulfamethoxazole-d₄ (Ro 4-2130-d₄) is a deuterium labeled Sulfamethoxazole (HY-B0322). Sulfamethoxazole (Ro 4-2130) is a sulfonamide antibiotic with a widespread antibacterial activity. Sulfamethoxazole inhibits bacterial folate metabolism by competing with 4-Aminobenzoic acid (HY-B1008) (PABA) to act on dihydropteroate synthetase and dihydropteroate reductase. Sulfamethoxazole can be used for the study of urinary tract infections (UTIs), prostatitis, and bronchitis .

Cat. No.	Product Name	Target	Research Area

HY-P10198

*Cbz-Lys-Lys-PABA-AMC diTFA*	Fluorescent Dye	Others
Cbz-Lys-Lys-PABA-AMC diTFA is a fluorogenic peptide .

Cat. No.	Product Name

HY-K3004

RPMI 1640 (L-Glutamine, Phenol Red, no HEPES) 1 Publications Verification
RPMI 1640 contains glutathione and high concentration of vitamins, also contains biotin, vitamin B12, 4-Aminobenzoic acid (PABA) not found in MEM and DMEM, as well as high concentration of inositol and choline chloride.

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-B1008

4-Aminobenzoic acid 1 Publications Verification PABA; Vitamin Bx; Vitamin H1; p-Aminobenzoic acid	Structural Classification Microorganisms Classification of Application Fields Ketones, Aldehydes, Acids Source classification Other Diseases Endogenous metabolite Disease Research Fields	Endogenous Metabolite Bacterial Reactive Oxygen Species (ROS)
4-Aminobenzoic acid is an intermediate in the synthesis of folic acid by bacteria, plants and fungi. 4-Aminobenzoic acid has antibacterial and plant growth regulating properties .

HY-B1008R

4-Aminobenzoic acid (Standard) PABA (Standard); Vitamin Bx (Standard); Vitamin H1 (Standard); p-Aminobenzoic acid (Standard)	Structural Classification Microorganisms Ketones, Aldehydes, Acids Source classification Endogenous metabolite	Reference Standards Endogenous Metabolite
4-Aminobenzoic acid (Standard) is the analytical standard of 4-Aminobenzoic acid. This product is intended for research and analytical applications. 4-Aminobenzoic acid is an intermediate in the synthesis of folic acid by bacteria, plants and fungi.

Species:	Human (2) Mouse (1)
Tag:	His (3)
Source:	HEK293 (3)

Cat. No.	Compare	Product Name	Species	Source

HY-P77083

	Meprin alpha/MEP1A Protein, Human (HEK293, His) 1 Publications Verification Meprin A subunit alpha; Endopeptidase-2; PABA peptide hydrolase; PPH alpha	Human	HEK293
	Meprin alpha (MEP1A) protein functions as a metalloendopeptidase in the membrane. It is found in structures like the gut and metanephros. MEP1A primarily expresses in the adult kidney and large intestine, indicating potential tissue-specific functions. Meprin alpha/MEP1A Protein, Human (HEK293, His) is the recombinant human-derived Meprin alpha/MEP1A protein, expressed by HEK293 , with C-His labeled tag.

HY-P77084

	Meprin alpha/MEP1A Protein, Mouse (HEK293, His) Meprin A subunit alpha; Endopeptidase-2; PABA peptide hydrolase; PPH alpha	Mouse	HEK293
	Meprin alpha (MEP1A) protein functions as a metalloendopeptidase in the membrane. It is found in structures like the gut and metanephros. MEP1A primarily expresses in the adult kidney and large intestine, indicating potential tissue-specific functions. Meprin alpha/MEP1A Protein, Mouse (HEK293, His) is the recombinant mouse-derived Meprin alpha/MEP1A protein, expressed by HEK293 , with C-His labeled tag.

HY-P705040

	Meprin beta Protein, Human (HEK293, His) MEP1B; Meprin A subunit beta; Endopeptidase-2; Meprin B; N-benzoyl-L-tyrosyl-P-amino-benzoic acid hydrolase subunit beta; PABA peptide hydrolase; PPH beta	Human	HEK293

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Cat. No.	Product Name	Chemical Structure

HY-B1008S

4-Aminobenzoic acid-d4
4-Aminobenzoic acid-d₄ is the deuterium labeled 4-Aminobenzoic acid. 4-Aminobenzoic acid is an intermediate in the synthesis of folate by bacteria, plants, and fungi.

HY-B0322S1

Sulfamethoxazole-13C6
Sulfamethoxazole- ¹³C₆ (Ro 4-2130- ¹³C₆) is a ¹³C labeled Sulfamethoxazole (HY-B0322). Sulfamethoxazole (Ro 4-2130) is a sulfonamide antibiotic with a widespread antibacterial activity. Sulfamethoxazole inhibits bacterial folate metabolism by competing with 4-Aminobenzoic acid (HY-B1008) (PABA) to act on dihydropteroate synthetase and dihydropteroate reductase. Sulfamethoxazole can be used for the study of urinary tract infections (UTIs), prostatitis, and bronchitis .

Sulfamethoxazole-13C6

Sulfamethoxazole- ¹³C₆ (Ro 4-2130- ¹³C₆) is a ¹³C labeled Sulfamethoxazole (HY-B0322). Sulfamethoxazole (Ro 4-2130) is a sulfonamide antibiotic with a widespread antibacterial activity. Sulfamethoxazole inhibits bacterial folate metabolism by competing with 4-Aminobenzoic acid (HY-B1008) (PABA) to act on dihydropteroate synthetase and dihydropteroate reductase. Sulfamethoxazole can be used for the study of urinary tract infections (UTIs), prostatitis, and bronchitis .

HY-B0512S

Sulfamerazine-d4
Sulfamerazine-d₄ is a deuterium labeled Sulfamerazine. Sulfamerazine, a sulfonamide antibacterial, inhibits bacterial synthesis of dihydrofolic acid by competing with para-aminobenzoic acid (PABA) for binding to dihydropteroate synthesizes .

HY-B0322S

Sulfamethoxazole-d4 1 Publications Verification
Sulfamethoxazole-d₄ (Ro 4-2130-d₄) is a deuterium labeled Sulfamethoxazole (HY-B0322). Sulfamethoxazole (Ro 4-2130) is a sulfonamide antibiotic with a widespread antibacterial activity. Sulfamethoxazole inhibits bacterial folate metabolism by competing with 4-Aminobenzoic acid (HY-B1008) (PABA) to act on dihydropteroate synthetase and dihydropteroate reductase. Sulfamethoxazole can be used for the study of urinary tract infections (UTIs), prostatitis, and bronchitis .

Sulfamethoxazole-d4

1 Publications Verification

Sulfamethoxazole-d₄ (Ro 4-2130-d₄) is a deuterium labeled Sulfamethoxazole (HY-B0322). Sulfamethoxazole (Ro 4-2130) is a sulfonamide antibiotic with a widespread antibacterial activity. Sulfamethoxazole inhibits bacterial folate metabolism by competing with 4-Aminobenzoic acid (HY-B1008) (PABA) to act on dihydropteroate synthetase and dihydropteroate reductase. Sulfamethoxazole can be used for the study of urinary tract infections (UTIs), prostatitis, and bronchitis .

HY-B0512S1

Sulfamerazine-13C6
Sulfamerazine- ¹³C₆ (RP2632- ¹³C₆) is ¹³C labeled Sulfamerazine (HY-B0512). Sulfamerazine (RP-2632) is a sulfonamide antibacterial. Sulfamerazine, the monomethyl derivative of sulfadiazine, is 2-sulfanilamido-4-methylpyrimidine. Sulfamerazine is a sulfonamide drug that inhibits bacterial synthesis of dihydrofolic acid by competing with para-aminobenzoic acid (PABA) for binding to dihydropteroate synthesizes.

Sulfamerazine-13C6

Sulfamerazine- ¹³C₆ (RP2632- ¹³C₆) is ¹³C labeled Sulfamerazine (HY-B0512). Sulfamerazine (RP-2632) is a sulfonamide antibacterial. Sulfamerazine, the monomethyl derivative of sulfadiazine, is 2-sulfanilamido-4-methylpyrimidine. Sulfamerazine is a sulfonamide drug that inhibits bacterial synthesis of dihydrofolic acid by competing with para-aminobenzoic acid (PABA) for binding to dihydropteroate synthesizes.

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