4-(3-Chloro-phenyl)-5-ethyl-2H-pyrazol-3-ylaminehydrochloride CAS 1240044-66-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1240044-66-9 |
| Molecular Formula | C11H12ClN3 HCl |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-(3-Chloro-phenyl)-5-ethyl-2H-pyrazol-3-ylaminehydrochloride (CAS 1240044-66-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C11H12ClN3 HCl. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C11H12ClN3 HCl |
| Molecular Weight | 258.15 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 10-(3-Chloropropyl)-10H-phenothiazine (CAS 5909-59-1)
- (2S,3S,4R,5R)-2-(((2-Fluorophenyl)thio)methyl)-5-(6-(((1R,2R)-2-hydroxycyclopentyl)amino)-9H-purin-9-yl)tetrahydrofuran-3,4-diol (CAS 618380-90-8)
- 3-(Iodomethyl)piperidine (CAS 1260856-53-8)
- Ostarine(MK-2866)Impurity N1 (CAS CATO-C3D-262925)
- 3-(1,3-Dioxolan-2-yl)-1-(3-fluorophenyl)propan-1-one (CAS 842124-02-1)
- (S)-3-Aminopyrrolidine-1-carbonitrile (CAS 2271514-77-1)
- Semaglutide impurity 78 (CAS CATO-C4X-222678)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com