1-{4-[(2E)-3-(3,4-Dichlorophenyl)prop-2-enoyl]phenyl}-1H-pyrrole-2,5-dione CAS 949923-52-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 949923-52-8 |
| Molecular Formula | C19H11Cl2NO3 |
| Molecular Weight | 372.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-{4-[(2E)-3-(3,4-Dichlorophenyl)prop-2-enoyl]phenyl}-1H-pyrrole-2,5-dione (CAS 949923-52-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H11Cl2NO3. Molecular weight: 372.20 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H11Cl2NO3 |
| Molecular Weight | 372.20 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related E Standards
- 3-((3,5-Dichlorophenyl)sulfonyl)-7-fluoroquinolin-4(1H)-one (CAS 1031955-94-8)
- 1-{4-[(2E)-3-(2,6-Dichlorophenyl)prop-2-enoyl]phenyl}-1H-pyrrole-2,5-dione (CAS 1365988-74-4)
- (E)-4-((1-(3,5-DIchlorophenyl)-3-methyl-2,5-dioxoimidazolidin-4-ylidene)methyl)benzonitrile (CAS 509083-46-9)
- 3-((3,4-Dichlorophenyl)sulfonyl)-8-fluoroquinolin-4(1H)-one (CAS 950276-06-9)
- Ethyl 5-(3,4-dichlorophenyl)-2-(2-(methoxycarbonyl)hydrazinyl)-1H-pyrrole-3-carboxylate (CAS 400085-15-6)
- 9-((2,4-Dichlorophenyl)amino)thiazolo[5,4-f]quinazoline-2-carbonitrile (CAS 1425946-13-9)
- 1-(3,4-Dichlorophenyl)-3-(4-(pyridin-4-ylmethyl)phenyl)urea (CAS 669757-93-1)
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Recommended Standards
- 1-(3-Bromo-5-trifluoromethylphenylsulfonyl)piperidine (CAS 951884-69-8)
- 2,4-Dichloro-N-(5H-chromeno[4,3-d]pyrimidin-2-yl)benzamide (CAS 866048-81-9)
- (1S,3R)-3-(2-(4-iodophenyl)-2-oxoethyl)cyclohexane-1-carboxylic acid (CAS 735275-39-5)
- N-(2-Benzoyl-1,2,3,4-tetrahydroisoquinolin-7-yl)furan-2-carboxamide (CAS 955671-57-5)
- (10S,13R,14R,17R)-4,4,10,13,14-Pentamethyl-17-((R)-6-methylhept-5-en-2-yl)-2,3,4,5,6,7,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-ol 911660-54-3 (CAS 911660-54-3)
- 4-({[(4-chlorophenyl)methyl]amino}methylidene)-3-methyl-4,5-dihydro-1H-pyrazol-5-one (CAS 338975-77-2)
- 2,4,4',6-Tetramethylbenzophenone (CAS 1146-84-5)
- Rimegepant Impurity 79 HCl (CAS CATO-C4X-248779)
- (2-Bromo-1H-indol-1-yl)(phenyl)methanone (CAS 1259576-91-4)
- Lixisenatide (CAS 320367-13-3（free base）)
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