4-Ethyl-1H-pyrazol-3-amine hydrochloride CAS 203061-99-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 203061-99-8 |
| Molecular Formula | C5H9N3 HCl |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Ethyl-1H-pyrazol-3-amine hydrochloride (CAS 203061-99-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H9N3 HCl. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H9N3 HCl |
| Molecular Weight | 147.61 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 2015 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Recommended Standards
- 5-Chloro-1-methyl-3-phenyl-1H-pyrazole-4-carbonitrile (CAS 321848-49-1)
- 2,3,4-Trihydroxypentanedial (CAS 783350-52-7)
- 9,9-Bis(4-amino-3-chlorophenyl)fluorene (CAS 107934-68-9)
- Bis(2,4,6-Trichlorophenyl)Oxalate (CAS 1165-91-9)
- Gold, tris(phenylethynyl)(trimethylphosphine)-, (SP-4-2)- (CAS 852157-09-6)
- Ethyl 2,2-difluoro-2-(4-hydroxypiperidin-4-yl)acetate hydrochloride (CAS 1258639-20-1)
- Semaglutide impurity 77 (CAS CATO-C4X-222677)
Why CATO?
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