2-(4-Chlorophenyl)-5H-chromeno[2,3-b]pyridin-5-one CAS 400085-73-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 400085-73-6 |
| Molecular Formula | C18H10ClNO2 |
| Molecular Weight | 307.73 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(4-Chlorophenyl)-5H-chromeno[2,3-b]pyridin-5-one (CAS 400085-73-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H10ClNO2. Molecular weight: 307.73 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H10ClNO2 |
| Molecular Weight | 307.73 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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- (5Z)-4-(4-Chlorophenyl)-2-oxo-5-(phenylmethylidene)-2,5-dihydrofuran-3-carbonitrile (CAS 343375-81-5)
- 2-(4-Chlorophenyl)-2-oxoethyl 2-methyl-2-(1H-1,2,4-triazol-1-yl)propanoate (CAS 303997-36-6)
- 2-(4-Chlorophenyl)-5-(quinolin-6-yl)-1,3,4-oxadiazole (CAS 866018-68-0)
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Recommended Standards
- 3-(2-Chlorophenoxy)-6-phenylpyridazine-4-carbonitrile (CAS 338751-75-0)
- 3-(4-Chloro-3-nitrophenyl)-5-cyclohexyl-1,2,4-oxadiazole (CAS 879457-30-4)
- 2-((5-Chloroquinolin-8-yl)oxy)-N-(propionyloxy)acetimidamide (CAS 88758-05-8)
- 1-(3-Ethoxypropyl)-5-oxopyrrolidine-3-carboxylic acid (CAS 845546-17-0)
- (S)-2-(2-oxa-6-azaspiro[3.4]Octan-7-yl)acetic acid (CAS 2306247-83-4)
- Thiazole-2,4-diol (CAS 62326-99-2)
- Epinastine Impurity 5 (CAS CATO-C4X-18405)
- 2,5-Dimethyl-1-(6-pyrrolidin-1-ylpyridin-3-yl)-1H-pyrrole-3-carboxylic acid (CAS 1170175-08-2)
- 1-[2,4-dichloro-6-(trifluoromethyl)phenyl]-1H-pyrrole (CAS 259196-49-1)
- Semaglutide impurity 26 (CAS CATO-C4X-222626)
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