Benzophenone-3,3',4,4'-tetracarboxylic dianhydride CAS 2421-28-5
Purity >95%In StockPharmaceutical Standards
| CAS No. | 2421-28-5 |
| Molecular Formula | C17H6O7 |
| Molecular Weight | 322.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Benzophenone-3,3',4,4'-tetracarboxylic dianhydride (CAS 2421-28-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C17H6O7. Molecular weight: 322.23 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C17H6O7 |
| Molecular Weight | 322.23 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1957 |
Related Benzophenone Standards
- 286425-35-2 Benzophenone-|A-13C-3,3 inverted exclamation marka,4,4 inverted exclamation marka-tetracarboxylic dianhydride (CAS 286425-35-2)
- 887352-65-0 Benzophenone-4-carboxamidoethyl Methanethiosulfonate DTXSID20401050 (CAS 887352-65-0)
- Benzophenone-2,4'-dicarboxylic Acid Monohydrate (CAS 85-58-5)
- Benzophenone-4-isothiocyanate (CAS 26328-59-6)
- Benzophenone-4-carboxamidocysteine Methanethiosulfonate (CAS 317821-69-5)
- Benzophenone Oxime (CAS 574-66-3)
- Benzophenone Hydrazone (CAS 5350-57-2)
- benzophenone imine (CAS 1013-88-3)
Recommended Standards
- N-Cyclopentyl-5-(2,4-dichlorophenyl)-2-methylpyrimidin-4-amine (CAS 917896-13-0)
- 1-(3,5-dichlorophenyl)-2,6,6-trimethyl-4,5,6,7-tetrahydro-1H-indol-4-one 627836-66-2 MS-10354 (CAS 627836-66-2)
- 4-(4-(3,4-Dichlorophenyl)piperazin-1-yl)aniline (CAS 794552-08-2)
- 2,4-dimethoxythieno[2,3-d]pyrimidine (CAS 18740-40-4)
- Tert-butyl (1-((dimethylamino)methyl)cyclopropyl)carbamate (CAS 2302634-02-0)
- n-(4-Fluorophenyl)cyclopropanecarboxamide (CAS 2354-89-4)
- (9H-Fluoren-9-yl)methyl (3-(chlorosulfonyl)propyl)carbamate (CAS 1189357-51-4)
- 1-(4-Ethyl-6-methylpyrimidin-2-yl)ethan-1-amine (CAS 1343075-03-5)
- 6-Iodo-2-methylquinoline-4-carboxylic acid (CAS 433244-12-3)
- Galanin Message Associated Peptide (44-59) amide (CAS 125455-59-6)
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