Pyrimido[5,4-d]pyrimidin-4-ol CAS 28285-65-6

Purity 97%+In StockPharmaceutical Standards
CAS No.28285-65-6
Molecular FormulaC6H4N4O
Molecular Weight148.12 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Pyrimido[5,4-d]pyrimidin-4-ol CAS 28285-65-6 chemical structure

Description

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.

Pyrimido[5,4-d]pyrimidin-4-ol (CAS 28285-65-6), molecular formula C6H4N4O and molecular weight 148.12 g/mol, is a CATO reference standard with documented purity and traceability.

Pyrimido[5,4-d]pyrimidin-4-ol (C6H4N4O) contains an amide group, a hydroxyl group, an ether linkage, an aromatic ring system. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

CATO manufactures Pyrimido[5,4-d]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 FormulaC6H4N4O
Molecular Weight148.12 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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1965
Nitrogen Atoms4

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Why CATO?