(2R,6R,7R)-Benzhydryl 7-benzamido-3-methylene-8-oxo-5-oxa-1-azabicyclo[4.2.0]octane-2-carboxylate CAS 67977-91-7
| CAS No. | 67977-91-7 |
| Molecular Formula | C28H24N2O5 |
| Molecular Weight | 468.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (2R,6R,7R)-Benzhydryl 7-benzamido-3-methylene-8-oxo-5-oxa-1-azabicyclo[4.2.0]octane-2-carboxylate (CAS 67977-91-7), a certified reference material (molecular formula C28H24N2O5, MW 468.50 g/mol) for analytical method development and quality control.
Structurally, (2R,6R,7R)-Benzhydryl 7-benzamido-3-methylene-8-oxo-5-oxa-1-azabicyclo[4.2.0]octane-2-carboxylate (C28H24N2O5) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 18.0, corresponding to approximately 18 ring(s) or double-bond equivalent(s). With a molecular weight of 468.50 g/mol, it falls into the moderately-high-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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C28H24N2O5 |
| Molecular Weight | 468.50 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
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- (S)-2-((1-(2-(4-Carbamimidoylbenzamido)-3-(4-hydroxyphenyl)propanoyl)piperidin-4-yl)oxy)acetic acid (CAS 144412-49-7)
- (6R-trans)-7-(Benzoylamino)-3-methyl-8-oxo-5-oxa-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid Diphenylmethyl Ester (CAS 81370-17-4)
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Why CATO?
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