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Pharmacopeial Impurities (EP / USP / BP)

Carbimazole EP Impurity A

Reference StandardAvailable on request

Buy Carbimazole EP Impurity A (CAS 60-56-0) from Zemixal. Request a quote with price, lead time and documents. Ships from India to 120+ countries.

Pack sizes
Carbimazole EP Impurity A chemical structure
CAS number60-56-0
FormulaC4H6N2S
Molar mass114.17 g/mol
Physical formSolid
HS code38229090
InChIKeyPMRYVIKBURPHAH-UHFFFAOYSA-N
IUPAC name3-methyl-1H-imidazole-2-thione

About Carbimazole EP Impurity A

Carbimazole EP Impurity A is supplied by Zemixal as a characterised reference material for Carbimazole analysis. For your records (Reference Standard), the material is defined by CAS 60-56-0, formula C4H6N2S and molar mass 114.17 g/mol. It is handled as a solid.

Typical applications

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

Storage and safety notes

It carries the GHS signal word Warning (H302, H317 and H361), so wear gloves and eye protection and work with good ventilation.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. 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 Carbimazole

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

Carbimazole standards

Typical uses

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

Applications

Grade guides

Specifications and identifiers

Specifications of Carbimazole EP Impurity A
Product nameCarbimazole EP Impurity A
Catalogue numberZX-020122
CAS number60-56-0
IUPAC name3-methyl-1H-imidazole-2-thione
Molecular formulaC4H6N2S
Molar mass114.17 g/mol
Exact mass114.0252
GradeReference Standard
Physical formSolid
XLogP3-0.3
H-bond donors / acceptors1 / 1
Topological polar surface area47.4 Ų
HS code38229090
InChIKeyPMRYVIKBURPHAH-UHFFFAOYSA-N
SMILESCN1C=CNC1=S
PubChem CID1349907
SynonymsMethimazole, Thiamazole, Carbimazole - Impurity A, 1-Methyl-1H-imidazole-2-thiol, Methimazol, 1-Methylimidazole-2-thiol, Mercazolyl, Thiamazol, Thymidazol, Metothyrine, Metothyrin, Strumazol

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
GHS08 Health hazard
Health hazard

Signal word Warning

  • H302Harmful if swallowed
  • H317May cause an allergic skin reaction
  • H361Suspected of damaging fertility or the unborn child

Precautionary statements P203, P261, P264, P270, P272, P280, P301 + P317, P302 + P352, P318, P321, P330, P333 + P317, P362 + P364, 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 Carbimazole EP Impurity A
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 Carbimazole EP Impurity A

Which CAS number identifies Carbimazole EP Impurity A?
Carbimazole EP Impurity A is registered under CAS 60-56-0. You may also see it listed as Methimazole, Thiamazole, Carbimazole - Impurity A. Our catalogue number for this item is ZX-020122.
What are the formula and molar mass of Carbimazole EP Impurity A?
For Carbimazole EP Impurity A, its formula is C4H6N2S and its molar mass is 114.17 g/mol. The systematic (IUPAC) name is 3-methyl-1H-imidazole-2-thione. InChIKey PMRYVIKBURPHAH-UHFFFAOYSA-N lets you match it in any structure database.
How is Carbimazole EP Impurity A used in pharmaceutical QC?
Carbimazole EP Impurity A is a characterised reference material linked to Carbimazole. 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 Carbimazole EP Impurity A?
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 Carbimazole EP Impurity A?
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 Carbimazole EP Impurity A to my country?
Yes. Because Carbimazole EP Impurity A 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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