4-chloropyrimido[4,5-d][1,3]diazine CAS 1197193-18-2

Purity 97%+In StockPharmaceutical Standards
CAS No.1197193-18-2
Molecular FormulaC6H13ClN4
Molecular Weight176.65 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-chloropyrimido[4,5-d][1,3]diazine CAS 1197193-18-2 chemical structure

Description

4-chloropyrimido[4,5-d][1,3]diazine (CAS 1197193-18-2) is a high-purity analytical reference standard with the molecular formula C6H13ClN4 and a molecular weight of 176.65 g/mol.

Based on its molecular formula C6H13ClN4, 4-chloropyrimido[4,5-d][1,3]diazine contains a nitrile group, chlorine substitution; these features give the compound characteristic molecular-ion distribution patterns in mass spectrometry. The molecular weight of 176.65 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), 4-chloropyrimido[4,5-d][1,3]diazine meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC6H13ClN4
Molecular Weight176.65 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.)1989
Halogen ContentCl-containing
Nitrogen Atoms4

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