(3E)-3-[2-(2-Chlorophenyl)hydrazin-1-ylidene]-1-[(3,4-dichlorophenyl)methyl]-2,3-dihydro-1H-indol-2-one CAS 303985-21-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 303985-21-9 |
| Molecular Formula | C21H14Cl3N3O |
| Molecular Weight | 430.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order (3E)-3-[2-(2-Chlorophenyl)hydrazin-1-ylidene]-1-[(3,4-dichlorophenyl)methyl]-2,3-dihydro-1H-indol-2-one (CAS 303985-21-9) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C21H14Cl3N3O. Molecular weight: 430.71 g/mol. COA included with every batch.
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-(3-Chlorophenyl)hydrazin-1-ylidene]-1-[(3,4-dichlorophenyl)methyl]-2,3-dihydro-1H-indol-2-one (CAS 303985-20-8)
- 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
- (2S, 4S, 8S)-α-Tocopherol (CAS 77171-97-2)
- (2S, 4S, 8R)-α-Tocopherol (CAS 79434-82-5)
- (3β,5α,6β,22R,24R)-6-Methoxy-3,5-Cycloergostan-22-ol (CAS 71473-15-9)
- 20-OTES-Camptothecin (CAS 1004264-93-0)
- 2-((2-Formylbenzofuran-3-yl)thio)acetic acid (CAS 41872-96-2)
- 1-(2-Isothiocyanatoethoxy)-2-methoxybenzene (CAS 887405-52-9)
- 4-(5-Methoxy-1H-indol-3-yl)-7-((2-(trimethylsilyl)ethoxy)methyl)-7H-pyrrolo[2,3-d]pyrimidine (CAS 2306269-04-3)
- 8-Iodo-2-(methylthio)pyrazolo[1,5-a][1,3,5]triazin-4(3H)-one (CAS 147916-85-6)
- (Z)-3-Cyclopropylcarbamoyl-acrylic acid (CAS 925413-02-1)
- Semaglutide impurity 268 (CAS CATO-C4X-2226268)
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