8-Chloropyrido[3,4-d]pyrimidin-4(3H)-one, 97% CAS 84341-13-9

Purity 97%+In StockPharmaceutical Standards
CAS No.84341-13-9
Molecular FormulaC7H4ClN3O
Molecular Weight181.58 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

8-Chloropyrido[3,4-d]pyrimidin-4(3H)-one, 97% CAS 84341-13-9 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 181.58 g/mol gives 8-Chloropyrido[3,4-d]pyrimidin-4(3H)-one, 97% distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

8-Chloropyrido[3,4-d]pyrimidin-4(3H)-one, 97% (CAS 84341-13-9) is a high-purity analytical reference standard with the molecular formula C7H4ClN3O and a molecular weight of 181.58 g/mol.

Based on its molecular formula C7H4ClN3O, 8-Chloropyrido[3,4-d]pyrimidin-4(3H)-one, 97% contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 181.58 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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 8-Chloropyrido[3,4-d]pyrimidin-4(3H)-one, 97% 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 FormulaC7H4ClN3O
Molecular Weight181.58 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor)
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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1981
Halogen ContentCl-containing
Nitrogen Atoms3

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