(2R,6R,7R)-3-Methylene-7-[(4-methylbenzoyl)amino]-8-oxo-5-oxa-1-azabicyclo[4.2.0]octane-2-carboxylic acid diphenylmethyl ester CAS 68313-81-5
| CAS No. | 68313-81-5 |
| Molecular Formula | C29H26N2O5 |
| Molecular Weight | 482.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures (2R,6R,7R)-3-Methylene-7-[(4-methylbenzoyl)amino]-8-oxo-5-oxa-1-azabicyclo[4.2.0]octane-2-carboxylic acid diphenylmethyl ester 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.
(2R,6R,7R)-3-Methylene-7-[(4-methylbenzoyl)amino]-8-oxo-5-oxa-1-azabicyclo[4.2.0]octane-2-carboxylic acid diphenylmethyl ester (CAS 68313-81-5) is a high-purity analytical reference standard with the molecular formula C29H26N2O5 and a molecular weight of 482.53 g/mol.
Based on its molecular formula C29H26N2O5, (2R,6R,7R)-3-Methylene-7-[(4-methylbenzoyl)amino]-8-oxo-5-oxa-1-azabicyclo[4.2.0]octane-2-carboxylic acid diphenylmethyl ester 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 482.53 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C29H26N2O5 |
| Molecular Weight | 482.53 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Nitrogen Atoms | 2 |
Recommended Standards
- Ro 6842262 (CAS 1396006-71-5)
- 1,2,4,5-Tetrakis(4-cyanophenyl)benzene (CAS 633300-89-7)
- (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(4-(3,5-dimethylisoxazol-4-yl)phenyl)propanoic acid (CAS 1381790-25-5)
- 2-(Aminomethyl)-4-chlorophenol (CAS 3970-05-6)
- 1-Benzosulphonyl-6-methoxy-5-azaindole-2-carbaldehyde (CAS 1427502-93-9)
- 3,5-Dimethyl-4-phenylsulfanyl-1H-pyrazole (CAS 127788-13-0)
- 7-chloro-6-methyl-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 1609581-44-3)
- 4-Ethyl-5-(4-methoxyphenyl)-1,3-diphenyl-1H-pyrazole (CAS 289725-89-9)
- N-{4-[(4-Hydroxy-phenyl)-methyl-sulfamoyl]-phenyl}-acetamide (CAS 343935-62-6)
- 2-Bromo-4-(tert-butoxy)-3-cyclopropoxypyridine (CAS 1243476-12-1)
- 1,3-Diphenylpropan-1-amine (CAS 5689-74-7)
- 4-Chloro-N-methyl-3-nitrobenzene-1-sulfonamide (CAS 137-48-4)
- Bicyclo[2.2.1]hept-5-ene-2-carboxamide (CAS 95-17-0)
- Semaglutide Impurity 167 (CAS CATO-C4X-2226167)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com