3,5-Diphenylcyclopentane-1,2,4-trione CAS 7003-69-2
| CAS No. | 7003-69-2 |
| Molecular Formula | C17H12O3 |
| Molecular Weight | 264.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3,5-Diphenylcyclopentane-1,2,4-trione.
3,5-Diphenylcyclopentane-1,2,4-trione (CAS 7003-69-2) is a high-purity analytical reference standard with the molecular formula C17H12O3 and a molecular weight of 264.28 g/mol.
Structurally, 3,5-Diphenylcyclopentane-1,2,4-trione (C17H12O3) contains a steroid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 264.28 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 3,5-Diphenylcyclopentane-1,2,4-trione 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 | C17H12O3 |
| Molecular Weight | 264.28 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
Related Diphenylcyclopentane Standards
Recommended Standards
- 3,4-Diphenylfuran-2-carboxylic acid (CAS 54607-64-6)
- 3-Acetamido-4-morpholinobenzoic acid (CAS 797809-20-2)
- 3,4-Diphenyl-1H-pyrazole-5-carboxylic acid (CAS 32258-63-2)
- 3-Amino-1-[(benzyloxy)carbonyl]pyrrolidine-3-carboxylic acid (CAS 93533-01-8)
- 2-Chloro-N-(3-cyano-4,5,6,7-tetrahydro-1-benzothien-2-yl)propanamide (CAS 351013-92-8)
- Tris(2,4-dimethylphenyl)phosphine (CAS 49676-42-8)
- 5,5'-Bis(7-hexyl-9H-fluoren-2-yl)-2,2'-bithiophene (CAS 369599-42-8)
- 1-Bromo-2,5,8-undecatriyne (CAS 34498-25-4)
- N-(Benzo[d]oxazol-2-yl)palmitamide (CAS 805323-97-1)
- 3,5-Dimethyl-2-phenyl-1H-pyrrole (CAS 3274-53-1)
- 4-Cyclopropoxy-5-formyl-N,N-dimethylpicolinamide (CAS 1243460-38-9)
- Indocyanine Green Impurity 51 (CAS CATO-C4X-250351)
- 2-Bromo-6-cyano-4-fluorobenzenesulfonyl chloride (CAS 1805484-08-5)
- Tau Peptide (307-321) trifluoroacetate salt (CAS 330456-50-3)
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