1-(1H-Pyrrol-3-yl)-1H-pyrazole-4,5-diamine CAS 491872-65-2

Purity 97%+In StockPharmaceutical Standards
CAS No.491872-65-2
Molecular FormulaC7H9N5
Molecular Weight163.18 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-(1H-Pyrrol-3-yl)-1H-pyrazole-4,5-diamine CAS 491872-65-2 chemical structure

Description

As a certified reference material (CRM), 1-(1H-Pyrrol-3-yl)-1H-pyrazole-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.

1-(1H-Pyrrol-3-yl)-1H-pyrazole-4,5-diamine (CAS 491872-65-2) is a high-purity analytical reference standard with the molecular formula C7H9N5 and a molecular weight of 163.18 g/mol.

Owing to a nitrile group, an aromatic ring system, 1-(1H-Pyrrol-3-yl)-1H-pyrazole-4,5-diamine is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 163.18 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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 FormulaC7H9N5
Molecular Weight163.18 g/mol
AppearanceOff-white to pale yellow crystalline powder. (faint amine-like odor)
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)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms5

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