Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-pr… 86938-12-7

Name: Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-prolinate
Brand: Vaqora Chemicals
SKU: VQ-044050

About Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-prolinate

Vaqora Chemicals supplies Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-prolinate, an impurity of Captopril registered under CAS number 86938-12-7. With the molecular formula C11H19NO3S, it has a molar mass of 245.34 g/mol. Its systematic (IUPAC) name is ethyl (2S)-1-[(2S)-2-methyl-3-sulfanylpropanoyl]pyrrolidine-2-carboxylate. It is also known as Captopril Ethyl Ester.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

As a characterised impurity of Captopril, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-prolinate in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Captopril

View every impurity, metabolite and intermediate we list for Captopril.

Captopril impurities

Specifications & identifiers

Chemical identifiers
Product name	Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-prolinate
Catalogue No.	VQ-044050
CAS Number	86938-12-7
IUPAC name	ethyl (2S)-1-[(2S)-2-methyl-3-sulfanylpropanoyl]pyrrolidine-2-carboxylate
Molecular formula	C₁₁H₁₉NO₃S
Molecular weight	245.34 g/mol
Exact mass	245.1086
Grade	Reference Standard
HSN code	38229090
InChIKey	NWMWMMRSHRHWMV-BDAKNGLRSA-N
SMILES	CCOC(=O)[C@@H]1CCCN1C(=O)[C@H](C)CS
PubChem CID	10131091

Physical properties
Physical form	Solid
LogP (XLogP3)	1
H-bond donors / acceptors	1 / 4
TPSA	47.6 Å²

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, 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 Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-prolinate?

The CAS Registry Number of Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-prolinate is 86938-12-7. It is also known as Captopril Ethyl Ester, 1-[(2S)-3-Mercapto-2-methyl-1-oxopropyl]-L-proline ethyl ester, Ethyl 1-[(2S)-2-methyl-3-sulfanylpropanoyl]-L-prolinate.

What is the molecular formula and molecular weight of Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-prolinate?

Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-prolinate has the molecular formula C11H19NO3S and a molecular weight of 245.34 g/mol. Its IUPAC name is ethyl (2S)-1-[(2S)-2-methyl-3-sulfanylpropanoyl]pyrrolidine-2-carboxylate.

What is Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-prolinate used for?

Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-prolinate is supplied as a characterised reference material related to Captopril. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-prolinate can I order?

We supply Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-prolinate in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-prolinate?

Yes. Every lot of Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-prolinate 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 Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-prolinate be shipped internationally?

Yes. Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-prolinate 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.