PABA

By Targets:	ADC Linker (2) Antibiotic (8) Bacterial (11) Endogenous Metabolite (3) Fluorescent Dye (1) Isotope-Labeled Compounds (5) Reactive Oxygen Species (ROS) (1) Reference Standards (1)
By Research Areas:	Cancer (4) Infection (11)

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-B0322A

Sulfamethoxazole sodium Maximum Cited Publications 10 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-P10198

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

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-B0322

Sulfamethoxazole Maximum Cited Publications 10 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)	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)	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 (1) Mouse (1)
Tag:	His (2)
Source:	HEK293 (2)

Cat. No.	Compare	Product Name	Species	Source

HY-P77083

	Meprin alpha/MEP1A Protein, Human (HEK293, His) 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.

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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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