5-Chloro-3-phenyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-amine CAS 91322-19-9

Purity 97%+In StockPharmaceutical Standards
CAS No.91322-19-9
Molecular FormulaC10H7ClN6
Molecular Weight246.66 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Chloro-3-phenyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-amine CAS 91322-19-9 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 246.66 g/mol gives 5-Chloro-3-phenyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-amine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

5-Chloro-3-phenyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-amine (CAS 91322-19-9), molecular formula C10H7ClN6 and molecular weight 246.66 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C10H7ClN6, 5-Chloro-3-phenyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-amine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 246.66 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), 5-Chloro-3-phenyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-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 FormulaC10H7ClN6
Molecular Weight246.66 g/mol
AppearancePale yellow to 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)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1983
Halogen ContentCl-containing
Nitrogen Atoms6

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