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Pharmacopeial Impurities (EP / USP / BP)

Captopril EP Impurity D

Reference StandardAvailable on request

Order Captopril EP Impurity D (CAS 56970-78-6) online at Zemixal: C4H7BrO2, COA and SDS with every lot, worldwide shipping.

Pack sizes
Captopril EP Impurity D chemical structure
CAS number56970-78-6
FormulaC4H7BrO2
Molar mass167 g/mol
Physical formSolid
HS code38229090
InChIKeyBUPXDXGYFXDDAA-UHFFFAOYSA-N
IUPAC name3-bromo-2-methylpropanoic acid

About Captopril EP Impurity D

Analytical teams working on Captopril use Captopril EP Impurity D as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 56970-78-6, formula C4H7BrO2 and molar mass 167 g/mol. It is handled as a solid.

Where it is used

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

Handling and storage

Classified under GHS with signal word Danger and hazard statements H314. Read the SDS before first use.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with 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 D
Product nameCaptopril EP Impurity D
Catalogue numberZX-021022
CAS number56970-78-6
IUPAC name3-bromo-2-methylpropanoic acid
Molecular formulaC4H7BrO2
Molar mass167 g/mol
Exact mass165.9629
GradeReference Standard
Physical formSolid
XLogP31.1
H-bond donors / acceptors1 / 2
Topological polar surface area37.3 Ų
HS code38229090
InChIKeyBUPXDXGYFXDDAA-UHFFFAOYSA-N
SMILESCC(CBr)C(=O)O
PubChem CID304776
SynonymsCaptopril - 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

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

Safety and GHS hazards

GHS05 Corrosive
Corrosive

Signal word Danger

  • 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 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 D
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 D

Which CAS number identifies Captopril EP Impurity D?
Captopril EP Impurity D is registered under CAS 56970-78-6. You may also see it listed as Captopril - Impurity D, 3-Bromo-2-methylpropionic Acid, Propanoic acid, 3-bromo-2-methyl-. Our catalogue number for this item is ZX-021022.
What are the formula and molar mass of Captopril EP Impurity D?
For Captopril EP Impurity D, its formula is C4H7BrO2 and its molar mass is 167 g/mol. The systematic (IUPAC) name is 3-bromo-2-methylpropanoic acid. InChIKey BUPXDXGYFXDDAA-UHFFFAOYSA-N lets you match it in any structure database.
How is Captopril EP Impurity D used in pharmaceutical QC?
Captopril EP Impurity D 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 D?
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 D?
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 D to my country?
Yes. Because Captopril EP Impurity D 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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