(E)-2-(4-fluorostyryl)-5-oxo-4-(3,4,5-trimethoxyphenyl)-5H-indeno[1,2-b]pyridine-3-carbonitrile CAS 691887-92-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 691887-92-0 |
| Molecular Formula | C30H21FN2O4 |
| Molecular Weight | 492.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(E)-2-(4-fluorostyryl)-5-oxo-4-(3,4,5-trimethoxyphenyl)-5H-indeno[1,2-b]pyridine-3-carbonitrile (CAS 691887-92-0) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C30H21FN2O4. Molecular weight: 492.50 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C30H21FN2O4 |
| Molecular Weight | 492.50 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 21.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related E Standards
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- (E)-4-(2-fluorostyryl)-8-(trifluoromethoxy)-2,3-dihydrothieno[3,2-c]quinoline (CAS 866133-27-9)
- (E)-4-(4-fluorostyryl)-8-(trifluoromethoxy)-2,3-dihydrothieno[3,2-c]quinoline (CAS 866133-47-3)
- (E)-6-(2-Fluorostyryl)-3-(pyridin-3-yl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole (CAS 853891-63-1)
- (E)-7-(4-fluorostyryl)-2-(1H-pyrrol-1-yl)-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 338793-26-3)
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Recommended Standards
- 4-(3-(3',6'-DIhydroxy-3-oxo-3h-spiro[isobenzofuran-1,9'-xanthen]-5-yl)thioureido)butanoic acid (CAS 1803631-03-9)
- 1-{4-[(E)-2-[(2,5-dimethoxyphenyl)methylidene]hydrazin-1-yl]-3-nitrobenzenesulfonyl}piperidine-4-carboxylic acid (CAS 860612-05-1)
- 6-(3-Carboxyphenylsulfonyl)-4-(3-methoxyphenylamino)-8-methylquinoline-3-carboxylic acid (CAS 1415562-87-6)
- 3,3-Difluoroazetidine-1-sulfonamide (CAS 924307-86-8)
- (2R,3R,4S,5R)-2-(8-(Butylamino)-6-(cyclopentylamino)-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol (CAS 174365-19-6)
- 3-Chloro-5,6,7,8-tetrahydroimidazo[1,5-a]pyrazine hydrochloride (CAS 2089315-28-4)
- Methyl Bexarotenate (CAS 153559-48-9)
- Hexafluoroacetone Trideuterate (d, 99%) (CAS 109640-39-3)
- n-(2-Morpholinophenyl)-3-(trifluoromethyl)benzamide (CAS 303151-32-8)
- Semaglutide Impurity 158 (x TFA Salt) (CAS CATO-C4X-2226158)
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