N-methyl-5-(trifluoromethyl)-1H-pyrazol-3-amine CAS 898539-99-6

Purity 97%+In StockPharmaceutical Standards
CAS No.898539-99-6
Molecular FormulaC5H6F3N3
Molecular Weight165.12 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N-methyl-5-(trifluoromethyl)-1H-pyrazol-3-amine CAS 898539-99-6 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including N-methyl-5-(trifluoromethyl)-1H-pyrazol-3-amine.

N-methyl-5-(trifluoromethyl)-1H-pyrazol-3-amine (CAS 898539-99-6) is a high-purity analytical reference standard with the molecular formula C5H6F3N3 and a molecular weight of 165.12 g/mol.

Structurally, N-methyl-5-(trifluoromethyl)-1H-pyrazol-3-amine (C5H6F3N3) contains a nitrile group, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 165.12 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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.

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.

Physical & Chemical Properties

Molecular FormulaC5H6F3N3
Molecular Weight165.12 g/mol
AppearanceWhite to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility)
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)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1987
Halogen ContentF-containing
Nitrogen Atoms3

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