5-(5-Chlorothiophen-2-yl)-N'-(2,4,5-trimethoxybenzylidene)-1H-pyrazole-3-carbohydrazide CAS 303106-96-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 303106-96-9 |
| Molecular Formula | C18H17ClN4O4S |
| Molecular Weight | 420.87 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 5-(5-Chlorothiophen-2-yl)-N'-(2,4,5-trimethoxybenzylidene)-1H-pyrazole-3-carbohydrazide (CAS 303106-96-9) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C18H17ClN4O4S. Molecular weight: 420.87 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C18H17ClN4O4S |
| Molecular Weight | 420.87 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Chlorothiophen Standards
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- 1-(3-Chlorothiophen-2-yl)-2-((5-(4-pentylcyclohexyl)-1,3,4-oxadiazol-2-yl)thio)ethan-1-one (CAS 860611-05-8)
- N-(4-(5-Chlorothiophen-2-yl)thiazol-2-yl)-2-((2-(2-methylpiperidin-1-yl)-2-oxoethyl)thio)acetamide (CAS 681224-95-3)
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- Ethyl 1-(4-(5-chlorothiophen-2-yl)thiazol-2-yl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxylate (CAS 956781-14-9)
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Recommended Standards
- N-[3-(5-chloro-1H-pyrrolo[2,3-b]pyridine-3-carbonyl)-2,4-difluorophenyl]-1,1,2,2,3,3,3-heptadeuteriopropane-1-sulfonamide (CAS 1304096-50-1)
- Gefitinib Impurity 14 (CAS 847949-56-8)
- 7-(3-Chlorophenyl)-3-({4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl}methyl)-3H,4H-thieno[3,2-d]pyrimidin-4-one (CAS 1105210-00-1)
- 5-(4-Fluorophenyl)dihydrofuran-2(3H)-one (CAS 51787-96-3)
- H-Abu-OtBu · HCl (CAS 53956-05-1)
- (5-Phenyl-3-isoxazolyl)methyl 2,4-dichlorobenzenecarboxylate (CAS 343374-55-0)
- 3-[(2-fluorophenyl)sulfanyl]propanoic acid (CAS 21243-09-4)
- p-Phenetidine (CAS 156-43-4)
- (4-Methylpiperazin-1-yl)(3-nitrophenyl)methanone (CAS 93185-61-6)
- [5-31]-Semaglutide (CAS CATO-C4X-2226263)
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