Carbimazole EP Impurity A

Name: Carbimazole EP Impurity A
Brand: Vaqora Chemicals
SKU: VQ-021065

About Carbimazole EP Impurity A

Listed under CAS 60-56-0, Carbimazole EP Impurity A is a pharmacopeial impurity of Carbimazole available from Vaqora Chemicals. Its molecular formula is C4H6N2S and its molecular weight is 114.17 g/mol. Systematically, it is named 3-methyl-1H-imidazole-2-thione. Alternative names: Methimazole and Thiamazole.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Pharmaceutical QC and development laboratories use this impurity standard of Carbimazole to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. 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 Carbimazole

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

Carbimazole impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Carbimazole EP Impurity A
Catalogue No.	VQ-021065
CAS Number	60-56-0
IUPAC name	3-methyl-1H-imidazole-2-thione
Molecular formula	C₄H₆N₂S
Molecular weight	114.17 g/mol
Exact mass	114.0252
Grade	Reference Standard
HSN code	38229090
InChIKey	PMRYVIKBURPHAH-UHFFFAOYSA-N
SMILES	CN1C=CNC1=S
PubChem CID	1349907

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.3
H-bond donors / acceptors	1 / 1
TPSA	47.4 Å²
Synonyms	Methimazole, Thiamazole, Carbimazole - Impurity A, 1-Methyl-1H-imidazole-2-thiol, Methimazol, 1-Methylimidazole-2-thiol, Mercazolyl, Thiamazol, Thymidazol, Metothyrine, Metothyrin, Strumazol

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Warning

Hazard statements

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 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 Carbimazole EP Impurity A?

The CAS Registry Number of Carbimazole EP Impurity A is 60-56-0. It is also known as Methimazole, Thiamazole, Carbimazole - Impurity A.

What is the molecular formula and molecular weight of Carbimazole EP Impurity A?

Carbimazole EP Impurity A has the molecular formula C4H6N2S and a molecular weight of 114.17 g/mol. Its IUPAC name is 3-methyl-1H-imidazole-2-thione.

What is Carbimazole EP Impurity A used for?

Carbimazole EP Impurity A is supplied as a characterised reference material related to Carbimazole. 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 Carbimazole EP Impurity A can I order?

We supply Carbimazole EP Impurity A 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 Carbimazole EP Impurity A?

Yes. Every lot of Carbimazole EP Impurity A 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 Carbimazole EP Impurity A be shipped internationally?

Yes. Carbimazole EP Impurity A 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.