2-Methyl-5-(methylthio)pyrimidin-4-ol CAS 66699-20-5

Purity 97%+In StockPharmaceutical Standards
CAS No.66699-20-5
Molecular FormulaC6H8N2OS
Molecular Weight156.21 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Methyl-5-(methylthio)pyrimidin-4-ol CAS 66699-20-5 chemical structure

Description

2-Methyl-5-(methylthio)pyrimidin-4-ol (CAS 66699-20-5) is a high-purity analytical reference standard with the molecular formula C6H8N2OS and a molecular weight of 156.21 g/mol.

Structurally, 2-Methyl-5-(methylthio)pyrimidin-4-ol (C6H8N2OS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, 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 156.21 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-Methyl-5-(methylthio)pyrimidin-4-ol 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 FormulaC6H8N2OS
Molecular Weight156.21 g/mol
Purity97%+
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.)1976
Nitrogen Atoms2
Sulfur Atoms1

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