Benzyl (9-oxo-6,7,8,9-tetrahydro-5H-benzo[7]annulen-2-yl)carbamate CAS 740842-30-2
| CAS No. | 740842-30-2 |
| Molecular Formula | C19H19NO3 |
| Molecular Weight | 309.36 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 Benzyl (9-oxo-6,7,8,9-tetrahydro-5H-benzo[7]annulen-2-yl)carbamate.
Benzyl (9-oxo-6,7,8,9-tetrahydro-5H-benzo[7]annulen-2-yl)carbamate (CAS 740842-30-2), molecular formula C19H19NO3 and molecular weight 309.36 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C19H19NO3, Benzyl (9-oxo-6,7,8,9-tetrahydro-5H-benzo[7]annulen-2-yl)carbamate contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 309.36 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
CATO manufactures Benzyl (9-oxo-6,7,8,9-tetrahydro-5H-benzo[7]annulen-2-yl)carbamate 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 | C19H19NO3 |
| Molecular Weight | 309.36 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 1 |
Recommended Standards
- Benzyl (7-oxo-6,7,8,9-tetrahydro-5H-benzo[7]annulen-2-yl)carbamate (CAS 740842-52-8)
- (S)-Benzyl 3-((tert-butoxycarbonyl)amino)-4-hydroxybutanoate (CAS 79069-16-2)
- Benzoic acid, 3-methoxy-4-[3-(4-morpholinyl)propoxy]-, methyl ester (CAS 944833-61-8)
- Benzyl 4-oxo-2-phenylpiperidine-1-carboxylate (CAS 335266-05-2)
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