Thiamine EP Impurity C

Name: Thiamine EP Impurity C
Brand: Vaqora Chemicals
SKU: VQ-043325

About Thiamine EP Impurity C

Listed under CAS 20166-17-0, Thiamine EP Impurity C is a pharmacopeial impurity of Thiamine available from Vaqora Chemicals. The compound has the formula C12H16ClN4S+, corresponding to a molecular weight of 283.8 g/mol. Systematically, it is named 5-[[5-(2-chloroethyl)-4-methyl-1,3-thiazol-3-ium-3-yl]methyl]-2-methylpyrimidin-4-amine. Common synonyms include Thiamine - Impurity C (Freebase).

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. Handle it with standard laboratory precautions and appropriate personal protective equipment.

This Thiamine impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF 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 Thiamine

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

Thiamine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Thiamine EP Impurity C
Catalogue No.	VQ-043325
CAS Number	20166-17-0
IUPAC name	5-[[5-(2-chloroethyl)-4-methyl-1,3-thiazol-3-ium-3-yl]methyl]-2-methylpyrimidin-4-amine
Molecular formula	C₁₂H₁₆ClN₄S⁺
Molecular weight	283.8 g/mol
Exact mass	283.0784
Grade	Reference Standard
HSN code	38229090
InChIKey	QNJSQRKKBAWIPT-UHFFFAOYSA-N
SMILES	CC1=C(SC=[N+]1CC2=CN=C(N=C2N)C)CCCl
PubChem CID	71859

Physical properties
Physical form	Solid
LogP (XLogP3)	2.3
H-bond donors / acceptors	1 / 4
TPSA	83.9 Å²

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 Thiamine EP Impurity C?

The CAS Registry Number of Thiamine EP Impurity C is 20166-17-0. It is also known as Thiamine - Impurity C (Freebase), 3-[(4-amino-2-methylpyrimidin-5-yl)methyl]-5-(2-chloroethyl)-4-methyl-1,3-thiazol-3-ium.

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

Thiamine EP Impurity C has the molecular formula C12H16ClN4S+ and a molecular weight of 283.8 g/mol. Its IUPAC name is 5-[[5-(2-chloroethyl)-4-methyl-1,3-thiazol-3-ium-3-yl]methyl]-2-methylpyrimidin-4-amine.

What is Thiamine EP Impurity C used for?

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

We supply Thiamine 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 Thiamine EP Impurity C?

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

Yes. We export Thiamine EP Impurity C worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.