1-(1H-Pyrrol-2-yl)-1H-pyrazole-4,5-diamine CAS 491872-66-3

Purity 97%+In StockPharmaceutical Standards
CAS No.491872-66-3
Molecular FormulaC7H9N5
Molecular Weight163.18 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-(1H-Pyrrol-2-yl)-1H-pyrazole-4,5-diamine CAS 491872-66-3 chemical structure

Description

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

1-(1H-Pyrrol-2-yl)-1H-pyrazole-4,5-diamine (CAS 491872-66-3) is a high-purity analytical reference standard with the molecular formula C7H9N5 and a molecular weight of 163.18 g/mol.

Structurally, 1-(1H-Pyrrol-2-yl)-1H-pyrazole-4,5-diamine (C7H9N5) contains a nitrile group, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 163.18 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

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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