5-Chloro-1H-pyrazol-3-amine CAS 916211-79-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 916211-79-5 |
| Molecular Formula | C3H4ClN3 |
| Molecular Weight | 117.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Chloro-1H-pyrazol-3-amine (CAS 916211-79-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C3H4ClN3. Molecular weight: 117.54 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C3H4ClN3 |
| Molecular Weight | 117.54 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- 3-Chloro-1H-pyrazol-4-amine (CAS 103286-54-0)
- 4-Chloro-2-methyl-2H-1,2,3-triazole (CAS 109299-74-3)
- 3-Chloro-5-methyl-1H-1,2,4-triazole (CAS 15285-15-1)
- 2-Chloro-N-cyanoacetimidamide (CAS 53737-87-4)
- 3-Chloro-1-methyl-1H-1,2,4-triazole (CAS 56616-92-3)
- 3-Chloro-4-methyl-4H-1,2,4-triazole (CAS 56616-87-6)
- 4-Chloro-1H-pyrazol-1-amine (CAS 3994-41-0)
- 4-Chloro-1H-pyrazol-3-amine (CAS 54301-34-7)
Recommended Standards
- 5-(Chloromethyl)-1H-1,2,4-triazole (CAS 55928-92-2)
- 56616-99-0 1H-1,2,4-Triazole, 5-chloro-1-methyl- DTXSID80205192 (CAS 56616-99-0)
- 5-(Chloromethyl)-1H-1,2,3-triazole (CAS 854937-88-5)
- Carbamic acid, [[(2,5-dihydro-2,3-dimethyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)amino]thioxomethyl]-, ethyl ester (CAS 90012-60-5)
- 4-Ethyl-5-(1-(p-tolyloxy)ethyl)-4H-1,2,4-triazole-3-thiol (CAS 669705-05-9)
- tert-Butyl 2,6-diazaspiro[3.3]heptane-2-carboxylate (CAS 1041026-70-3)
- (2S,6S)-1-ethyl-2,6-dimethyl-piperazine (CAS 2306249-90-9)
- 5-Oxo-1-pentylpyrrolidine-3-carboxylic acid (CAS 845546-13-6)
- Ethyl 5-fluoro-2-methylnicotinate (CAS 1196151-57-1)
- Semaglutide Impurity 2 (CAS CATO-C4X-22262)
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