5-Amino-3-(3-methyl-2-nitrophenyl)-1H-1,2,4-triazole CAS 1016750-18-7

Purity 97%+In StockPharmaceutical Standards
CAS No.1016750-18-7
Molecular FormulaC9H9N5O2
Molecular Weight219.20 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Amino-3-(3-methyl-2-nitrophenyl)-1H-1,2,4-triazole CAS 1016750-18-7 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 219.20 g/mol gives 5-Amino-3-(3-methyl-2-nitrophenyl)-1H-1,2,4-triazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

5-Amino-3-(3-methyl-2-nitrophenyl)-1H-1,2,4-triazole (CAS 1016750-18-7), molecular formula C9H9N5O2 and molecular weight 219.20 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 5-Amino-3-(3-methyl-2-nitrophenyl)-1H-1,2,4-triazole (C9H9N5O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. 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 219.20 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.

As a certified reference material (CRM), 5-Amino-3-(3-methyl-2-nitrophenyl)-1H-1,2,4-triazole 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 FormulaC9H9N5O2
Molecular Weight219.20 g/mol
AppearancePale yellow to yellow crystalline powder. (faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1988
Nitrogen Atoms5

Related Amino Standards

Recommended Standards

Why CATO?