2-Methylthieno[2,3-d]pyrimidin-4(3H)-one hydrochloride CAS 1559062-08-6

Purity 97%+In StockPharmaceutical Standards
CAS No.1559062-08-6
Molecular FormulaC7H6N2OS
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Methylthieno[2,3-d]pyrimidin-4(3H)-one hydrochloride CAS 1559062-08-6 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2-Methylthieno[2,3-d]pyrimidin-4(3H)-one hydrochloride.

2-Methylthieno[2,3-d]pyrimidin-4(3H)-one hydrochloride (CAS 1559062-08-6), molecular formula C7H6N2OSHCl and molecular weight 202.66 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 2-Methylthieno[2,3-d]pyrimidin-4(3H)-one hydrochloride (C7H6N2OSHCl) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 202.66 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

CATO manufactures 2-Methylthieno[2,3-d]pyrimidin-4(3H)-one hydrochloride 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 FormulaC7H6N2OS HCl
Molecular Weight202.66 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1992
Halogen ContentCl-containing
Nitrogen Atoms2
Sulfur Atoms1

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