3-(4-Chloro-3-nitrophenyl)-5-methyl-1H-1,2,4-triazole CAS 648917-59-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 648917-59-3 |
| Molecular Formula | C9H7ClN4O2 |
| Molecular Weight | 238.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(4-Chloro-3-nitrophenyl)-5-methyl-1H-1,2,4-triazole (CAS 648917-59-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H7ClN4O2. Molecular weight: 238.63 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H7ClN4O2 |
| Molecular Weight | 238.63 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Chloro Standards
- 4-Chloro-7-methoxy-3-nitroquinoline (CAS 1026963-05-2)
- 4-chloro-3-(5-methyl-1h-1,2,3,4-tetraZol-1-yl)benzoic acid (CAS 1156373-88-4)
- 5-(3-Chloro-4-methylphenyl)-1,2,4-oxadiazole-3-carboxylic acid (CAS 1342109-95-8)
- 2-CHloro-1-(propan-2-yloxy)-4-(trifluoromethyl)benzene (CAS 1369830-55-6)
- 1-CHloro-3-(propan-2-yloxy)-5-(trifluoromethyl)benzene (CAS 1369839-32-6)
- 1-CHloro-4-(propan-2-yloxy)-2-(trifluoromethyl)benzene (CAS 1369877-52-0)
- 1-CHloro-2-(propan-2-yloxy)-4-(trifluoromethyl)benzene (CAS 1369940-70-4)
- Methyl 7-chloro-2-oxo-1,2-dihydro-1,8-naphthyridine-3-carboxylate (CAS 1386448-06-1)
Recommended Standards
- 3-(1,3-Dioxaindan-5-yl)-5-(chloromethyl)-1,2,4-oxadiazole (CAS 890095-80-4)
- 3-Chloro-2-methyl-7-nitro-isoquinolin-1-one (CAS 24623-18-5)
- 2-Chloro-6-methoxy-5-nitroquinoline (CAS 42065-04-3)
- tert-Butyl 4-(4-(ethoxycarbonyl)phenoxy)piperidine-1-carboxylate (CAS 210962-44-0)
- 5-(5-Ethyl-2-hydroxybenzoyl)-2-oxo-1,2-dihydropyridine-3-carboxamide (CAS 53390-22-0)
- (4-((3-Fluorobenzyl)oxy)phenyl)methanamine (CAS 849805-95-4)
- 3-Methylthiophene-2-sulfonamide (CAS 81417-51-8)
- Tilfrinib (CAS 1600515-49-8)
- 3-amino-1-(propan-2-yl)pyrrolidine-2,5-dione hydrochloride (CAS 1375471-37-6)
- Anxiety Peptide (CAS 95237-86-8)
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 13829788188 / jacky.chen@cato-chem.com