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Pharmacopeial Impurities (EP / USP / BP)

Captopril EP Impurity C

Reference StandardAvailable on request

Buy Captopril EP Impurity C (CAS 26473-47-2) from Zemixal: C4H8O2S, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-021020.

Pack sizes
Captopril EP Impurity C chemical structure
CAS number26473-47-2
FormulaC4H8O2S
Molar mass120.17 g/mol
Physical formSolid
HS code38229090
InChIKeyMHRDCHHESNJQIS-UHFFFAOYSA-N
IUPAC name2-methyl-3-sulfanylpropanoic acid

About Captopril EP Impurity C

Zemixal lists Captopril EP Impurity C for laboratories that identify, quantify or control Captopril and its related substances. Key data (Reference Standard): CAS 26473-47-2, formula C4H8O2S and molar mass 120.17 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Handling and storage

Hazard communication follows GHS (Warning: H315 and H319). Our SDS lists exposure controls and first-aid measures.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. 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.

Reference standards for Captopril

See every impurity, metabolite and related compound we list for this API.

Captopril standards

Typical uses

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Captopril EP Impurity C
Product nameCaptopril EP Impurity C
Catalogue numberZX-021020
CAS number26473-47-2
IUPAC name2-methyl-3-sulfanylpropanoic acid
Molecular formulaC4H8O2S
Molar mass120.17 g/mol
Exact mass120.0245
GradeReference Standard
Physical formSolid
XLogP30.6
H-bond donors / acceptors2 / 3
Topological polar surface area38.3 Ų
HS code38229090
InChIKeyMHRDCHHESNJQIS-UHFFFAOYSA-N
SMILESCC(CS)C(=O)O
PubChem CID152910
Synonyms3-Mercaptoisobutyric Acid, Captopril EP Impurity C (Y0001220), Captopril - Impurity C, 3-Mercapto-2-methylpropionic acid, 3-mercapto-2-methylpropanoic acid, Propanoic acid, 3-mercapto-2-methyl-, 2-methyl-3-sulfanyl-propanoic acid, 3-Mercapto-2-methylpropansaure, 3-mercapto-2-methylpropanoicacid, (2RS)-2-Methyl-3-sulfanyl-propanoic Acid, 2-Methyl-3-sulfanylpropanoic acid, AldrichCPR

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

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H315Causes skin irritation
  • H319Causes serious eye irritation

Precautionary statements P264, P264 + P265, P280, P302 + P352, P305 + P351 + P338, P321, P332 + P317, P337 + P317, P362 + P364

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 Captopril EP Impurity C
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

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

Questions about Captopril EP Impurity C

Which CAS number identifies Captopril EP Impurity C?
Captopril EP Impurity C is registered under CAS 26473-47-2. You may also see it listed as 3-Mercaptoisobutyric Acid, Captopril EP Impurity C (Y0001220), Captopril - Impurity C. Our catalogue number for this item is ZX-021020.
What are the formula and molar mass of Captopril EP Impurity C?
For Captopril EP Impurity C, its formula is C4H8O2S and its molar mass is 120.17 g/mol. The systematic (IUPAC) name is 2-methyl-3-sulfanylpropanoic acid. InChIKey MHRDCHHESNJQIS-UHFFFAOYSA-N lets you match it in any structure database.
How is Captopril EP Impurity C used in pharmaceutical QC?
Captopril EP Impurity C 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 Captopril EP Impurity C?
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 Captopril EP Impurity C?
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 Captopril EP Impurity C to my country?
Yes. Because Captopril EP Impurity C 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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