1H-pyrazolo[4,3-d]pyrimidine-3-carbonitrile CAS 2104345-90-4

Purity 97%+In StockPharmaceutical Standards
CAS No.2104345-90-4
Molecular FormulaC6H3N5
Molecular Weight145.12 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1H-pyrazolo[4,3-d]pyrimidine-3-carbonitrile CAS 2104345-90-4 chemical structure

Description

As a certified reference material (CRM), 1H-pyrazolo[4,3-d]pyrimidine-3-carbonitrile 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.

CATO supplies 1H-pyrazolo[4,3-d]pyrimidine-3-carbonitrile (CAS 2104345-90-4), a certified reference material (molecular formula C6H3N5, MW 145.12 g/mol) for analytical method development and quality control.

Structurally, 1H-pyrazolo[4,3-d]pyrimidine-3-carbonitrile (C6H3N5) contains a nitrile group, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 145.12 g/mol, it falls into the low-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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.

Physical & Chemical Properties

Molecular FormulaC6H3N5
Molecular Weight145.12 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1997
Nitrogen Atoms5

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