Thiamine EP Impurity B

Name: Thiamine EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-043324

About Thiamine EP Impurity B

Listed under CAS 7770-93-6, Thiamine EP Impurity B is a pharmacopeial impurity of Thiamine available from Vaqora Chemicals. Formula C11H15ClN4OS, molecular weight 286.78 g/mol. The IUPAC name is 2-[3-[(4-aminopyrimidin-5-yl)methyl]-4-methyl-1,3-thiazol-3-ium-5-yl]ethanol chloride. Alternative names: Thiamine EP Impurity B (chloride) and Thiamine - Impurity B.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

As a characterised impurity of Thiamine, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Buyers come mainly from 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 B
Catalogue No.	VQ-043324
CAS Number	7770-93-6
IUPAC name	2-[3-[(4-aminopyrimidin-5-yl)methyl]-4-methyl-1,3-thiazol-3-ium-5-yl]ethanol chloride
Molecular formula	C₁₁H₁₅ClN₄OS
Molecular weight	286.78 g/mol
Exact mass	286.0655
Grade	Reference Standard
HSN code	38229090
InChIKey	YSZJAYGOPKFTGQ-UHFFFAOYSA-M
SMILES	CC1=C(SC=[N+]1CC2=CN=CN=C2N)CCO.[Cl-]
PubChem CID	71751247

Physical properties
Physical form	Solid
H-bond donors / acceptors	2 / 6
TPSA	104 Å²
Synonyms	Thiamine EP Impurity B (chloride), Thiamine - Impurity B, 2'-Nor Thiamine, 3-((4-Aminopyrimidin-5-yl)methyl)-5-(2-hydroxyethyl)-4-methylthiazol-3-ium chloride, 3-[(4-Aminopyrimidin-5-yl)methyl]-5-(2-hydroxyethyl)-4-methyl-1,3-thiazol-3-ium chloride, Thiamine HCl Impurity B (2-Nor Thiamine)

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 B?

The CAS Registry Number of Thiamine EP Impurity B is 7770-93-6. It is also known as Thiamine EP Impurity B (chloride), Thiamine - Impurity B, 2'-Nor Thiamine.

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

Thiamine EP Impurity B has the molecular formula C11H15ClN4OS and a molecular weight of 286.78 g/mol. Its IUPAC name is 2-[3-[(4-aminopyrimidin-5-yl)methyl]-4-methyl-1,3-thiazol-3-ium-5-yl]ethanol chloride.

What is Thiamine EP Impurity B used for?

Thiamine EP Impurity B 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 B can I order?

We supply Thiamine EP Impurity B 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 B?

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

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