Thiamine /Vitamin B1 Impurity 19 CAS 95-02-3

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.95-02-3
Molecular FormulaC6H10N4
Molecular Weight138.17 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Thiamine /Vitamin B1 Impurity 19 CAS 95-02-3 chemical structure

Description

This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.

Thiamine /Vitamin B1 Impurity 19 (CAS 95-02-3) is a certified pharmaceutical impurity reference standard with the molecular formula C6H10N4 and a molecular weight of 138.17 g/mol.

Structurally, Thiamine /Vitamin B1 Impurity 19 (C6H10N4) contains a nitrile group, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 138.17 g/mol, it falls into the low-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

CATO manufactures Thiamine /Vitamin B1 Impurity 19 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC6H10N4
Molecular Weight138.17 g/mol
Purity>95%
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Nitrogen Atoms4

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