6-Chloro-2-ethylpyrimidine-4,5-diamine CAS 6237-97-4

Purity 97%+In StockPharmaceutical Standards
CAS No.6237-97-4
Molecular FormulaC6H9ClN4
Molecular Weight172.62 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

6-Chloro-2-ethylpyrimidine-4,5-diamine CAS 6237-97-4 chemical structure

Description

The occurrence of 6-Chloro-2-ethylpyrimidine-4,5-diamine is closely related to a nitrile group, chlorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies 6-Chloro-2-ethylpyrimidine-4,5-diamine (CAS 6237-97-4), a certified reference material (molecular formula C6H9ClN4, MW 172.62 g/mol) for analytical method development and quality control.

Based on its molecular formula C6H9ClN4, 6-Chloro-2-ethylpyrimidine-4,5-diamine contains a nitrile group, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 172.62 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.

As a certified reference material (CRM), 6-Chloro-2-ethylpyrimidine-4,5-diamine 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 FormulaC6H9ClN4
Molecular Weight172.62 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)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1958
Halogen ContentCl-containing
Nitrogen Atoms4

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