(3E)-3-[2-(3-Chlorophenyl)hydrazin-1-ylidene]-1-[(3,4-dichlorophenyl)methyl]-2,3-dihydro-1H-indol-2-one CAS 303985-20-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 303985-20-8 |
| Molecular Formula | C21H14Cl3N3O |
| Molecular Weight | 430.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(3E)-3-[2-(3-Chlorophenyl)hydrazin-1-ylidene]-1-[(3,4-dichlorophenyl)methyl]-2,3-dihydro-1H-indol-2-one (CAS 303985-20-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C21H14Cl3N3O. Molecular weight: 430.71 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C21H14Cl3N3O |
| Molecular Weight | 430.71 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related E Standards
- (3E)-3-[2-(2-Chlorophenyl)hydrazin-1-ylidene]-1-[(3,4-dichlorophenyl)methyl]-2,3-dihydro-1H-indol-2-one (CAS 303985-21-9)
- 4-(4-Chlorophenyl)-1-(6-(2,4-dichlorobenzyl)pyridazin-3-yl)-1H-pyrazol-5-amine (CAS 321385-77-7)
- (4-Chlorophenyl)(4-(((2,4-dichlorophenyl)thio)methyl)-4-hydroxypiperidin-1-yl)methanone (CAS 866143-80-8)
- N-((4-Chlorophenyl)carbamoyl)-2-(((6-nitro-4-oxoquinazolin-3(4H)-yl)methyl)amino)acetamide (CAS 76979-57-2)
- 5-(4-Chlorophenyl)-3-(4-methoxyphenyl)-1-(4-(trifluoromethyl)phenyl)-4,5-dihydro-1H-pyrazole (CAS 551921-56-3)
- 2-{[(4-chlorophenyl)methyl]sulfanyl}-5-[1-methyl-3-(trifluoromethyl)-1H-thieno[2,3-c]pyrazol-5-yl]-1,3,4-oxadiazole (CAS 478080-23-8)
- 3-[(4-Chlorophenyl)methyl]-1-[(4-methylphenyl)methanesulfonyl]-3-(pyrazin-2-yl)urea (CAS 866150-91-6)
- N-[4-(2-Chlorophenyl)-1,3-thiazol-2-yl]-2-[4-(2-fluorophenyl)piperazin-1-yl]acetamide (CAS 338750-04-2)
Recommended Standards
- (3β,5α,6β,22R,24R)-6-Methoxy-3,5-Cycloergostan-22-ol (CAS 71473-15-9)
- (2S, 4S, 8S)-α-Tocopherol (CAS 77171-97-2)
- (E)-({6-chloro-2-phenylimidazo[1,2-a]pyridin-3-yl}methylidene)[(2,4-dichlorophenyl)methoxy]amine (CAS 478257-33-9)
- 2-Bromo-5-propoxypyridine (CAS 1144110-15-5)
- 2-(6-Chloropyridin-3-yl)-1h-1,3-benzodiazole (CAS 54661-55-1)
- 1H-imidazol-2-yl(pyridin-3-yl)methanol (CAS 1518433-09-4)
- (3S,4R)-3-Methoxy-4-phenylpyrrolidine (CAS 1237171-26-4)
- Methyl 5-(hydroxymethyl)thiophene-3-carboxylate (CAS 78908-94-8)
- N-(2-Fluoro-4-iodophenyl)-3-methylbenzamide (CAS 900747-79-7)
- Fibrinopeptide A, human TFA (CAS 61533-47-9)
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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