2-(3-(2-Aminophenyl)-5-methyl-4H-1,2,4-triazol-4-yl)benzoic acid CAS 648917-56-0
| CAS No. | 648917-56-0 |
| Molecular Formula | C16H14N4O2 |
| Molecular Weight | 294.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 2-(3-(2-Aminophenyl)-5-methyl-4H-1,2,4-triazol-4-yl)benzoic acid (CAS 648917-56-0), a certified reference material (molecular formula C16H14N4O2, MW 294.31 g/mol) for analytical method development and quality control.
Structurally, 2-(3-(2-Aminophenyl)-5-methyl-4H-1,2,4-triazol-4-yl)benzoic acid (C16H14N4O2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 294.31 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 2-(3-(2-Aminophenyl)-5-methyl-4H-1,2,4-triazol-4-yl)benzoic acid 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 Formula | C16H14N4O2 |
| Molecular Weight | 294.31 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 4 |
Related Aminophenyl Standards
- 2-(3-(4-Aminophenyl)-5-methyl-4H-1,2,4-triazol-4-yl)benzoic acid (CAS 648917-57-1)
- 4-((4-Aminophenyl)carbamoyl)benzene-1-sulfonyl fluoride (CAS 1512-43-2)
- 2-[3-(2-aminophenyl)-3-oxopropyl]-1H-isoindole-1,3(2H)-dione (CAS 17515-32-1)
- 2-((4-Aminophenyl)thio)-N-(2,5-difluorophenyl)acetamide (CAS 885267-54-9)
- n-[(4-aminophenyl)methyl]-4-(trifluoromethyl)benzamide (CAS 1176631-77-8)
- Methyl 3-(4-aminophenyl)-2-((tert-butoxycarbonyl)amino)propanoate (CAS 180146-30-9)
- 6-(3-Aminophenyl)-2-(isopropylamino)quinazolin-7-ol (CAS 914395-75-8)
- 3-[(4-Aminophenyl)thio]-N-(5-methyl-1,3,4-thiadiazol-2-yl)propanamide (CAS 931292-80-7)
Recommended Standards
- 2-(((6-Nitro-1H-indazol-1-yl)methyl)thio)ethyl acetate (CAS 27225-67-8)
- 1,2-Bis(1h-benzo[d]imidazol-2-yl)ethane-1,2-diol (CAS 3314-32-7)
- 2,6-Dimorpholin-4-ylpyrimidine-4-carboxylic acid (CAS 450368-32-8)
- 1-(5-Benzyl-1,3,4-oxadiazol-2-yl)-3-phenylurea (CAS 6756-31-6)
- Hexahydrobenzo[d][1,3]dioxol-2-one (CAS 4389-22-4)
- 4-(4-Chlorophenyl)-5-(p-tolylthio)pyrimidin-2-amine (CAS 338417-74-6)
- 2-Cyano-N-(2-fluoro-5-methylphenyl)acetamide (CAS 866151-42-0)
- 2-(4-Ethylbenzyl)piperazine (CAS 907971-45-3)
- 1-(Tert-butyl) 3-ethyl (S)-3-propylpyrrolidine-1,3-dicarboxylate (CAS 1476721-29-5)
- Lotilaner Impurity 15 (CAS CATO-C4X-325615)
- 6-(Piperidine-4-carbonyl)-3,4-dihydro-2h-1,4-benzoxazin-3-one hydrochloride (CAS 420786-43-2)
- N-{2-[2-(sec-Butyl)phenoxy]butyl}-1-hexadecanamine (CAS 1040688-22-9)
- (5-Methyl-2-oxo-2,3-dihydro-1H-indol-3-yl)acetic acid 3758AF 938459-17-7 C11H11NO3 (CAS 938459-17-7)
- Semaglutide impurity 211 (CAS CATO-C4X-2226211)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com