4-chloro-7-methoxypyrido[3,2-d]pyrimidine CAS 1256811-43-4

Purity 97%+In StockPharmaceutical Standards
CAS No.1256811-43-4
Molecular FormulaC8H16ClN3O
Molecular Weight205.69 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-chloro-7-methoxypyrido[3,2-d]pyrimidine CAS 1256811-43-4 chemical structure

Description

4-chloro-7-methoxypyrido[3,2-d]pyrimidine (C8H16ClN3O) contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

4-chloro-7-methoxypyrido[3,2-d]pyrimidine (CAS 1256811-43-4), molecular formula C8H16ClN3O and molecular weight 205.69 g/mol, is a CATO reference standard with documented purity and traceability.

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 4-chloro-7-methoxypyrido[3,2-d]pyrimidine 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 FormulaC8H16ClN3O
Molecular Weight205.69 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)1990
Halogen ContentCl-containing
Nitrogen Atoms3

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