4H-1-Benzopyran-4-one，3-(benzoyloxy)-2-phenyl- CAS 22812-29-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 22812-29-9 |
| Molecular Formula | C21H16Cl2N4O2 |
| Molecular Weight | 427.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4H-1-Benzopyran-4-one，3-(benzoyloxy)-2-phenyl- (CAS 22812-29-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C21H16Cl2N4O2. Molecular weight: 427.28 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C21H16Cl2N4O2 |
| Molecular Weight | 427.28 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related H Standards
- 4H-1-Benzopyran-4-one, 2-(2,4-dihydroxyphenyl)-3,7-dihydroxy-5-methoxy-8-[5-methyl-2-(1-methylethenyl)-4-hexenyl]-, (R)- (CAS 128879-52-7)
- 4H-1-benzopyran-4-one, 2-(2-chlorophenyl)-5,7-dihydroxy-8-[(2R,3S)-2-(Hydroxymethyl)-1-methyl-3-pyrrolidinyl]-, rel- (CAS 647019-54-3)
- 16981-20-7 2H-1-Benzopyran-2-one, 5,7-dihydroxy-8-(3-methyl-2-butenyl)-6-(2-methyl-1-oxopropyl)-4-phenyl- 5,7-dihydroxy-8-(3-methylbut-2-enyl)-6-(2-methylpropanoyl)-4-phenyl-chromen-2-one Mesuol NSC130114 (CAS 16981-20-7)
- 2H-1-Benzopyran-2-one, 7-(2H-naphtho[1,2-d]triazol-2-yl)-3-phenyl- (CAS 3333-62-8)
- 2H-1-Benzopyran-6-carboxylic acid,2-(4,8-dimethyl-3,7-nonadienyl)-5- hydroxy-2,7-dimethyl- 82003-90-5 (CAS 82003-90-5)
- 38215-36-0 2H-1-Benzopyran-2-one, 3-(2-benzothiazolyl)-7-(diethylamino)- 3-(Benzothiazol-2-yl)-7-(diethylamino)-2-benzopyrone Coumarin 6 EINECS 253-830-2 NSC 290432 (CAS 38215-36-0)
- 77727-18-5 4H-1-Benzopyran-4-one, 2,3-dihydro-5,7-dimethoxy-8-(3-methyl-2-butenyl)-2-phenyl-, (2S)- (CAS 77727-18-5)
- 30484-88-9 4H-1-Benzopyran-4-one,3-[(6-deoxy-a-L-mannopyranosyl)oxy]-2-(3,5-dihydroxy-4-methoxyphenyl)-5,7-dihydroxy- (CAS 30484-88-9)
Recommended Standards
- 3-Benzyl-5-{4-[(2,4-dichlorophenyl)methoxy]phenyl}-2,3-dihydro-1,3,4-oxadiazol-2-one (CAS 866152-88-7)
- N-Nitroso Felodipine EP Impurity C (CAS CATO-C4X-109421)
- 1-(5-(Benzyloxy)-2,4-dichlorophenyl)-5-(4-methoxyphenyl)-1H-tetrazole (CAS 338961-51-6)
- Methyl 2-chloro-8-methoxyindolizine-7-carboxylate (CAS 1706444-89-4)
- 3-Ethoxybenzene-1-sulfonyl chloride (CAS 69129-60-8)
- 4-(2-Ethylphenoxy)aniline (CAS 383126-80-5)
- N-(1-(1-(p-Tolyl)-1H-1,2,3-triazole-4-carbonyl)piperidin-4-yl)benzamide (CAS 1251556-37-2)
- 6-(2-Bromophenyl)imidazo[2,1-b]thiazol-5-amine (CAS 1432680-50-6)
- 2-Amino-3H-indol-3-one (CAS 475142-96-2)
- (Met(O)2?)-Glucagon (1-29) (human, rat, porcine) (CAS 75217-63-9)
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