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

Name: Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-prolinate
Brand: Zemixal
SKU: ZX-036700

Reference StandardAvailable on request

Order Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-prolinate (CAS 86938-12-7) online at Zemixal. Request a quote with price, lead time and documents.

Pack sizes

Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-prolinate chemical structure

CAS number86938-12-7

FormulaC₁₁H₁₉NO₃S

Molar mass245.34 g/mol

Physical formSolid

HS code38229090

InChIKeyNWMWMMRSHRHWMV-BDAKNGLRSA-N

IUPAC nameethyl (2S)-1-[(2S)-2-methyl-3-sulfanylpropanoyl]pyrrolidine-2-carboxylate

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

Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-prolinate belongs to the Captopril reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 86938-12-7, formula C11H19NO3S and molar mass 245.34 g/mol. It is handled as a solid.

Use cases we see most often

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

Handling and storage

It carries the GHS signal word Warning (H302), so wear gloves and eye protection and work with good ventilation.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Every shipment includes a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

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Typical uses

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

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-prolinate
Product name	Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-prolinate
Catalogue number	ZX-036700
CAS number	86938-12-7
IUPAC name	ethyl (2S)-1-[(2S)-2-methyl-3-sulfanylpropanoyl]pyrrolidine-2-carboxylate
Molecular formula	C₁₁H₁₉NO₃S
Molar mass	245.34 g/mol
Exact mass	245.1086
Grade	Reference Standard
Physical form	Solid
XLogP3	1
H-bond donors / acceptors	1 / 4
Topological polar surface area	47.6 Å²
HS code	38229090
InChIKey	NWMWMMRSHRHWMV-BDAKNGLRSA-N
SMILES	CCOC(=O)[C@@H]1CCCN1C(=O)[C@H](C)CS
PubChem CID	10131091
Synonyms	Captopril Ethyl Ester, 1-[(2S)-3-Mercapto-2-methyl-1-oxopropyl]-L-proline ethyl ester, Ethyl 1-[(2S)-2-methyl-3-sulfanylpropanoyl]-L-prolinate, (2S)-1-[(2S)-2-Methyl-3-sulphanylpropanoyl]pyrrolidine-2-carboxylic acid ethyl ester

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

Irritant or harmful

Signal word Warning

H302Harmful if swallowed

Precautionary statements P264, P270, P301 + P317, P330, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-prolinate
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-prolinate

Which CAS number identifies Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-prolinate?

Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-prolinate is registered under CAS 86938-12-7. You may also see it listed 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. Our catalogue number for this item is ZX-036700.

What are the formula and molar mass of Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-prolinate?

For Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-prolinate, its formula is C11H19NO3S and its molar mass is 245.34 g/mol. The systematic (IUPAC) name is ethyl (2S)-1-[(2S)-2-methyl-3-sulfanylpropanoyl]pyrrolidine-2-carboxylate. InChIKey NWMWMMRSHRHWMV-BDAKNGLRSA-N lets you match it in any structure database.

How is Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-prolinate used in pharmaceutical QC?

Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-prolinate is a characterised reference material linked to Captopril. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-prolinate?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-prolinate?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-prolinate to my country?

Yes. Because Ethyl ((S)-3-mercapto-2-methylpropanoyl)-L-prolinate is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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