Benzopyrene Related Compound 9 CAS 57303-98-7
| CAS No. | 57303-98-7 |
| Molecular Formula | C20H12O2 |
| Molecular Weight | 284.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Benzopyrene Related Compound 9 (CAS 57303-98-7) is a high-purity analytical reference standard with the molecular formula C20H12O2 and a molecular weight of 284.31 g/mol.
Benzopyrene Related Compound 9 (C20H12O2) contains a steroid core, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Benzopyrene Related Compound 9 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C20H12O2 |
| Molecular Weight | 284.31 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
Related Benzopyrene Standards
- Benzopyrene Related Compound 3 (Benzo[a]pyrene-7, 8-Diol) (CAS 57303-99-8)
- Benzopyrene Related Compound 11 (CAS 13345-25-0)
- Benzopyrene Related Compound 1 (trans-Benzo[a]pyrene-4, 5-Dihydrodiol) (CAS 37571-88-3)
- Benzopyrene Impurity 1 (CAS 65199-11-3)
- Benzopyrene Related Compound 2 (Benzo[a]pyrene-6, 12-Quinone) (CAS 3067-12-7)
- Benzopyrene Related Compound 7 (Benzo[a]pyrene-3, 6- Quinone) (CAS 64133-78-4)
- Benzopyrene Related Compound 8 (Benzo[a]pyrene-1, 6- Quinone) (CAS 64133-79-5)
- Benzopyrene Related Compound 5 (Benzo[a]pyrene 7, 8-Oxide) (CAS 36504-65-1)
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