Pepstatin A

Name: Pepstatin A
Brand: Vaqora Chemicals
SKU: VQ-002689

About Pepstatin A

Pepstatin A (CAS 26305-03-3) is an enzyme / protein reagent offered by Vaqora Chemicals with a typical assay of 90%. Its molecular formula is C34H63N5O9 and its molecular weight is 685.9 g/mol. Alternative names: pepstatin and Pepstatine.

The material typically appears as a white to off-white powder. Literature values give a melting point of 233 °C. Store it at 2–8 °C, in a tightly closed container. It carries the GHS signal word “Danger” with 1 hazard statement. Review the Safety Data Sheet before use.

Typical applications include enzymatic assays, enzyme inhibition studies and protein research. It is used across academic and industrial research and diagnostics and biotechnology.

Standard pack sizes are 5 mg, 25 mg and 500 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Enzymatic assays
Enzyme inhibition studies
Protein research

Industries

Specifications & identifiers

Chemical identifiers
Product name	Pepstatin A
Catalogue No.	VQ-002689
CAS Number	26305-03-3
IUPAC name	(3S,4S)-3-hydroxy-4-[[(2S)-2-[[(3S,4S)-3-hydroxy-6-methyl-4-[[(2S)-3-methyl-2-[[(2S)-3-methyl-2-(3-methylbutanoylamino)butanoyl]amino]butanoyl]amino]heptanoyl]amino]propanoyl]amino]-6-methylheptanoic acid
Molecular formula	C₃₄H₆₃N₅O₉
Molecular weight	685.9 g/mol
Exact mass	685.4626
Purity / assay	90%
HSN code	29241900
InChIKey	FAXGPCHRFPCXOO-LXTPJMTPSA-N
SMILES	C[C@@H](C(=O)N[C@@H](CC(C)C)[C@H](CC(=O)O)O)NC(=O)C[C@@H]([C@H](CC(C)C)NC(=O)[C@H](C(C)C)NC(=O)[C@H](C(C)C)NC(=O)CC(C)C)O
PubChem CID	5478883

Physical properties
Physical form	Powder
Appearance	White to off-white powder
Melting point	233 °C
LogP (XLogP3)	3
H-bond donors / acceptors	8 / 9
TPSA	223 Å²
Storage	2–8 °C
Synonyms	pepstatin, Pepstatine, Ahpatinin C, Procidin S 735A, Pepsin inhibitor S 735A, Pepstatin (nonspecific), Pepstatin (VAN), Iva-Val-Val-Sta-Ala-Sta-OH, Isoval-Val-Val-Sta-Ala-Sta, 1lyb, 1sme, 6apr

Safety & hazard information (GHS)

Toxic

Signal word: Danger

Hazard statements

H300Fatal if swallowed

Precautionary statements: P264, P270, P301 + P316, P321, P330, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Pepstatin A?

The CAS Registry Number of Pepstatin A is 26305-03-3. It is also known as pepstatin, Pepstatine, Ahpatinin C.

What is the molecular formula and molecular weight of Pepstatin A?

Pepstatin A has the molecular formula C34H63N5O9 and a molecular weight of 685.9 g/mol.

Which grade and pack sizes of Pepstatin A can I order?

We supply Pepstatin A in (90%) grade, in 5 mg, 25 mg, 500 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Pepstatin A?

Yes. Every lot of Pepstatin A is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Pepstatin A be shipped internationally?

Yes. Pepstatin A is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.

How should Pepstatin A be stored?

2–8 °C. Keep the container tightly closed and refer to the SDS for full handling guidance.