5-Chloro-4H-1,2,4-triazole-3-carboxamide CAS 54671-66-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 54671-66-8 |
| Molecular Formula | C3H3ClN4O |
| Molecular Weight | 146.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-Chloro-4H-1,2,4-triazole-3-carboxamide (CAS 54671-66-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C3H3ClN4O. Molecular weight: 146.54 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C3H3ClN4O |
| Molecular Weight | 146.54 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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 |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1972 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Chloro Standards
- 4-Chloro-1,1,1-trifluorobutane (CAS 406-85-9)
- 5-Chloro-1H-pyrazole-4-carboxylic acid (CAS 1186049-67-1)
- 6-Chloro-4-hydroxypyridazin-3(2H)-one (CAS 17276-75-4)
- 2-Chloro-1-(1,2,5-oxadiazol-3-yl)ethanone (CAS 1803581-79-4)
- 2-Chloro-1H-imidazole-4-carboxylic Acid (CAS 944905-33-3)
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- 3-chloro-1,2-oxazole-5-carboxamide (CAS 272773-14-5)
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Recommended Standards
- Ceftezole Impurity 7 (CAS 41223-92-1)
- 2-Amino-4-hydroxy-6-chloro-s-triazine (CAS 38862-29-2)
- 5-Chloro-2-fluoropyridin-3-amine (CAS 103999-78-6)
- 3-Bromo-4-isobutoxybenzoic acid (CAS 881583-05-7)
- 4-(Aminomethyl)-5-cyclopropoxypicolinonitrile (CAS 1243444-55-4)
- 3-ethyl-1-hydroxyurea (CAS 5710-11-2)
- 2-((5-(5-Bromo-2-hydroxyphenyl)-4-(2,4-dimethylphenyl)-4H-1,2,4-triazol-3-yl)thio)-N-(2-cyanophenyl)acetamide (CAS 875006-54-5)
- 3-Bromo-2-(3,3-difluoropiperidin-1-yl)benzaldehyde (CAS 1779119-64-0)
- 7-Methoxy-2,3-dihydro-1H-inden-4-amine (CAS 1546282-47-6)
- Liraglutide (13-21) TFA Salt (CAS CATO-C4X-19928)
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