Captopril EP Impurity C

Name: Captopril EP Impurity C
Brand: Vaqora Chemicals
SKU: VQ-021984

About Captopril EP Impurity C

Vaqora Chemicals supplies Captopril EP Impurity C, a pharmacopeial impurity of Captopril registered under CAS number 26473-47-2. Formula C4H8O2S, molecular weight 120.17 g/mol. Its systematic (IUPAC) name is 2-methyl-3-sulfanylpropanoic acid. It is also known as 3-Mercaptoisobutyric Acid or Captopril EP Impurity C (Y0001220).

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying 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. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer Captopril EP Impurity C in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Captopril

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

Captopril impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Captopril EP Impurity C
Catalogue No.	VQ-021984
CAS Number	26473-47-2
IUPAC name	2-methyl-3-sulfanylpropanoic acid
Molecular formula	C₄H₈O₂S
Molecular weight	120.17 g/mol
Exact mass	120.0245
Grade	Reference Standard
HSN code	38229090
InChIKey	MHRDCHHESNJQIS-UHFFFAOYSA-N
SMILES	CC(CS)C(=O)O
PubChem CID	152910

Physical properties
Physical form	Solid
LogP (XLogP3)	0.6
H-bond donors / acceptors	2 / 3
TPSA	38.3 Å²
Synonyms	3-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

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

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 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 Captopril EP Impurity C?

The CAS Registry Number of Captopril EP Impurity C is 26473-47-2. It is also known as 3-Mercaptoisobutyric Acid, Captopril EP Impurity C (Y0001220), Captopril - Impurity C.

What is the molecular formula and molecular weight of Captopril EP Impurity C?

Captopril EP Impurity C has the molecular formula C4H8O2S and a molecular weight of 120.17 g/mol. Its IUPAC name is 2-methyl-3-sulfanylpropanoic acid.

What is Captopril EP Impurity C used for?

Captopril EP Impurity C 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 Captopril EP Impurity C can I order?

We supply Captopril EP Impurity C 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 Captopril EP Impurity C?

Yes. Every lot of Captopril EP Impurity C 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 Captopril EP Impurity C be shipped internationally?

Yes. Captopril EP Impurity C 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.