4,4-Carbonyldibenzoic acid CAS 964-68-1
| CAS No. | 964-68-1 |
| Molecular Formula | C15H10O5 |
| Molecular Weight | 270.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
4,4-Carbonyldibenzoic acid (CAS 964-68-1), molecular formula C15H10O5 and molecular weight 270.24 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4,4-Carbonyldibenzoic acid (C15H10O5) contains a flavonoid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 270.24 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 4,4-Carbonyldibenzoic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C15H10O5 |
| Molecular Weight | 270.24 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Recommended Standards
- 4,4'-(Propane-1,3-diylbis(azanediyl))bis(4-oxobut-2-enoic acid) (CAS 6331-21-1)
- 4,4-Dinitrostilbene (CAS 736-31-2)
- 4,4'-(E)-Diazene-1,2-diyldibenzoic acid (CAS 71987-42-3)
- 4-Benzoylphthalic Acid (CAS 3885-88-9)
- (6aR,9aS)-3-Chloro-2-(4-(6-fluoropyridin-2-yl)benzyl)-5-methyl-5,6a,7,8,9,9a-hexahydrocyclopenta[4,5]imidazo[1,2-a]pyrazolo[4,3-e]pyrimidin-4(2H)-one (CAS 1351961-58-4)
- (E)-1-(4-(5-(5-Ethyl-1,2,4-oxadiazol-3-yl)pyridin-2-yl)piperazin-1-yl)-3-(furan-2-yl)prop-2-en-1-one (CAS 1421587-55-4)
- Isoxazole-4-boronic Acid (CAS 1008139-25-0)
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- Methyl 3-chloro-1H-pyrazole-4-carboxylate (CAS 2089301-64-2)
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- 2-[2-Amino(ethyl)-4-methylanilino]-1-ethanol (CAS 1183355-71-6)
- Semaglutide Impurity 130 (CAS 1188328-40-6)
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