2-chloropyrimidin-5-amine CAS 56621-90-0

Purity 97%+In StockPharmaceutical Standards
CAS No.56621-90-0
Molecular FormulaC4H4ClN3
Molecular Weight129.55 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-chloropyrimidin-5-amine CAS 56621-90-0 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.

2-chloropyrimidin-5-amine (CAS 56621-90-0), molecular formula C4H4ClN3 and molecular weight 129.55 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 2-chloropyrimidin-5-amine (C4H4ClN3) contains a nitrile group, chlorine substitution. 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 129.55 g/mol, it falls into the low-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

As a certified reference material (CRM), 2-chloropyrimidin-5-amine 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 FormulaC4H4ClN3
Molecular Weight129.55 g/mol
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)4.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1973
Halogen ContentCl-containing
Nitrogen Atoms3

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Why CATO?