Molekula
Pepstatin A
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Pepstatin A is a potent inhibitor of aspartic proteases, commonly used in biochemical research to study enzyme activity and protein degradation. It is a natural product derived from Streptomyces pepstatinus. Available with a CAS number of 26305-03-3, its molecular formula is C34H63N5O9 and molecular weight is 685.89 g/mol. Store at -15 to -20 °C. Molekula supplies Pepstatin A from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
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10 mg — $142.00 per pack
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Specifications
| Property | Value |
|---|---|
| Appearance | White/ off white powder |
| Specific rotation | [⍺] (20)d =-92.0, c =0.5, MeOH |
| Identification | Conforms to reference |
| Purity | ≥98% |
| CHN | C=59.4%, H= 9.1%, N=10.3% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | -15 to -20 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 14581189 |
| 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 |
| EC Number | 247-600-0 |
| Molecular Formula | C34H63N5O9 |
| Molecular Weight | 685.89 |
| Exact Mass | 685.4626 |
| 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 |
| InChIKey | FAXGPCHRFPCXOO-LXTPJMTPSA-N |
| InChI | InChI=1S/C34H63N5O9/c1-17(2)12-23(37-33(47)31(21(9)10)39-34(48)30(20(7)8)38-27(42)14-19(5)6)25(40)15-28(43)35-22(11)32(46)36-24(13-18(3)4)26(41)16-29(44)45/h17-26,30-31,40-41H,12-16H2,1-11H3,(H,35,43)(H,36,46)(H,37,47)(H,38,42)(H,39,48)(H,44,45)/t22-,23-,24-,25-,26-,30-,31-/m0/s1 |
| PubChem CID | 5478883 |
| REACH Code | Y113 |
| HTS Code | 29241980 |
| Tariff Code | 2924190090 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 1lyb
- Ahpatinin C
- Isoval-Val-Val-Sta-Ala-Sta
- Iva-Val-Val-Sta-Ala-Sta-OH
- Pepsin inhibitor S 735A
- pepstatin
- Pepstatin (nonspecific)
- Pepstatine
- Pepstatinum
- Procidin S 735A
Frequently asked questions
What is Pepstatin A used for?
Pepstatin A is a potent inhibitor of aspartic proteases, commonly used in research to study enzyme activity and protein degradation pathways.
What is the chemical formula and molecular weight of Pepstatin A?
The formula is C34H63N5O9 with a molecular weight of 685.89 g/mol.
How should Pepstatin A be stored?
Store at -15 to -20 °C to maintain stability and prevent degradation.
What grade of Pepstatin A does Molekula supply?
Molekula supplies Pepstatin A in research-grade quality suitable for laboratory use.
Can Molekula supply Pepstatin A in bulk quantities?
Yes, Molekula can supply Pepstatin A in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a Pepstatin A order?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.