(4Z)-4-[2-(3-Chlorophenyl)hydrazin-1-ylidene]-4,5-dihydro-1H-pyrazol-5-one CAS 338416-83-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 338416-83-4 |
| Molecular Formula | C9H7ClN4O |
| Molecular Weight | 222.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(4Z)-4-[2-(3-Chlorophenyl)hydrazin-1-ylidene]-4,5-dihydro-1H-pyrazol-5-one (CAS 338416-83-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C9H7ClN4O. Molecular weight: 222.63 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C9H7ClN4O |
| Molecular Weight | 222.63 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 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Z Standards
- 5-(3-Chlorophenyl)-1h-pyrazole-4-carboxylic acid (CAS 1007541-81-2)
- 5-(2-Chlorophenyl)-1h-pyrazole-4-carboxylic acid (CAS 1007541-84-5)
- 1-(4-Chlorophenyl)pyrimidine-2,4(1H,3H)-dione (CAS 101080-71-1)
- 1-(3-Chlorophenyl)-1H-pyrazole-4-carboxylic acid (CAS 1053085-34-9)
- 6-(2-Chlorophenyl)pyrimidine-2,4(1H,3H)-dione (CAS 106658-35-9)
- 3-(4-Chlorophenyl)pyrimidine-2,4(1H,3H)-dione (CAS 113094-28-3)
- 1-(3-Chlorophenyl)-1H-imidazole-4-carboxylic acid (CAS 114067-96-8)
- 1-(2-chlorophenyl)-1H-pyrazole-3-carboxylic acid (CAS 1152533-76-0)
Recommended Standards
- (2E)-3-{2-chloroimidazo[1,2-a]pyridin-3-yl}prop-2-enoic acid (CAS 2055614-36-1)
- (E)-3-(5-Chloro-1H-pyrrolo[2,3-b]pyridin-3-yl)acrylic acid (CAS 2883153-48-6)
- 1-(4-Chlorophenyl)pyrazole-3-carboxylic Acid (CAS 19532-40-2)
- 1-Ethoxy-3-methoxypropane (CAS 36865-42-6)
- Sec-Butyl Methyl Ether (CAS 6795-87-5)
- N-(4-Chloro-3-fluorobenzyl)hydroxylamine (CAS 1547974-00-4)
- 4,4,4-Trifluoro-1-(pyridin-4-yl)butane-1,3-dione (CAS 399-06-4)
- Methyl (4Z)-4-{[(2,4-difluorophenyl)amino]methylidene}-2-methyl-5-oxo-4,5-dihydro-1H-pyrrole-3-carboxylate (CAS 477865-61-5)
- 2'-(4-Chlorophenyl)-5,5'-dimethyl-1',2'-dihydro-1H,3'H-[3,4'-bipyrazol]-3'-one (CAS 321998-07-6)
- Liraglutide Impurity 14 TFA Salt (CAS CATO-C4X-199214)
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