Captopril EP Impurity D

Name: Captopril EP Impurity D
Brand: Vaqora Chemicals
SKU: VQ-021986

About Captopril EP Impurity D

Listed under CAS 56970-78-6, Captopril EP Impurity D is a pharmacopeial impurity of Captopril available from Vaqora Chemicals. Formula C4H7BrO2, molecular weight 167.0 g/mol. Systematically, it is named 3-bromo-2-methylpropanoic acid. Common synonyms include Captopril - Impurity D and 3-Bromo-2-methylpropionic Acid.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. It carries the GHS signal word “Danger” with 1 hazard statement. Review the Safety Data Sheet before use.

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. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export 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 D
Catalogue No.	VQ-021986
CAS Number	56970-78-6
IUPAC name	3-bromo-2-methylpropanoic acid
Molecular formula	C₄H₇BrO₂
Molecular weight	167 g/mol
Exact mass	165.9629
Grade	Reference Standard
HSN code	38229090
InChIKey	BUPXDXGYFXDDAA-UHFFFAOYSA-N
SMILES	CC(CBr)C(=O)O
PubChem CID	304776

Physical properties
Physical form	Solid
LogP (XLogP3)	1.1
H-bond donors / acceptors	1 / 2
TPSA	37.3 Å²
Synonyms	Captopril - Impurity D, 3-Bromo-2-methylpropionic Acid, Propanoic acid, 3-bromo-2-methyl-, 3-Bromoisobutyric Acid, 3-bromo-2-methylpropanoicacid, 2-methyl-3-bromopropionic acid, (2RS)-3-Bromo-2-methyl-propanoic Acid

Safety & hazard information (GHS)

Corrosive

Signal word: Danger

Hazard statements

H314Causes severe skin burns and eye damage

Precautionary statements: P260, P264, P280, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P321, P363, P405, 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 Captopril EP Impurity D?

The CAS Registry Number of Captopril EP Impurity D is 56970-78-6. It is also known as Captopril - Impurity D, 3-Bromo-2-methylpropionic Acid, Propanoic acid, 3-bromo-2-methyl-.

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

Captopril EP Impurity D has the molecular formula C4H7BrO2 and a molecular weight of 167 g/mol. Its IUPAC name is 3-bromo-2-methylpropanoic acid.

What is Captopril EP Impurity D used for?

Captopril EP Impurity D 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 D can I order?

We supply Captopril EP Impurity D 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 D?

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

Yes. Captopril EP Impurity D 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.