7-Phenylacetamide-3-chloromethyl-3-cephem-4-carboxylic Acid Diphenylmethyl Ester CAS 64308-63-0
| CAS No. | 64308-63-0 |
| Molecular Formula | C29H25ClN2O4S |
| Molecular Weight | 533.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-Phenylacetamide-3-chloromethyl-3-cephem-4-carboxylic Acid Diphenylmethyl Ester (CAS 64308-63-0), molecular formula C29H25ClN2O4S and molecular weight 533.04 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 7-Phenylacetamide-3-chloromethyl-3-cephem-4-carboxylic Acid Diphenylmethyl Ester (C29H25ClN2O4S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. 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 533.04 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), 7-Phenylacetamide-3-chloromethyl-3-cephem-4-carboxylic Acid Diphenylmethyl Ester 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 | C29H25ClN2O4S |
| Molecular Weight | 533.04 g/mol |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Phenylacetamide Standards
Recommended Standards
- 3-(N-(2-(2-Chloro-4-(4,6-diamino-2,2-dimethyl-1,3,5-triazin-1(2H)-yl)phenoxy)ethyl)sulfamoyl)benzene-1-sulfonyl fluoride (CAS 24892-25-9)
- Sodium (carboxymethyl)arsonate (CAS 126-82-9)
- 2-[5-[2-[4-(1,2-Benzisothiazol-3-yl)-1-piperazinyl]ethyl]-4-chloro-2-nitrophenyl]-propanedioic Acid 1,3-Dimethyl Ester (CAS 160384-39-4)
- 2,4,5-Tris(4-bromophenyl)-1H-imidazole (CAS 36741-16-9)
- 3-(4-Methoxybenzyl)-1,3-thiazolidine-2,4-dione (CAS 943114-29-2)
- 3'-Acetyl-[1,1'-biphenyl]-4-carboxylicacid (CAS 199678-04-1)
- 4-Amino-7-ethoxy-6-nitroquinoline-3-carbonitrile (CAS 1454846-15-1)
- 2-(3-Bromopyridin-4-yl)oxazole (CAS 1243363-52-1)
- (24R)-Hydroxycalcitriol (CAS 56142-94-0)
- 2,3-Dimethylsuccinic Acid (CAS 13545-04-5)
- (2R,3R,5S)-2-(6-Amino-9H-purin-9-yl)-5-((bis(4-methoxyphenyl)(phenyl)methoxy)methyl)tetrahydrofuran-3-ol (CAS 86234-44-8)
- 2-chloro-1,8-naphthyridine-3-carbonitrile (CAS 60467-75-6)
- 5-(Bromomethyl)-2-chloro-3-(trifluoromethyl)pyridine (CAS 1807215-92-4)
- Steroidogenesis-Activator Polypeptide (rat) (H-8855.0500) (CAS 108563-23-1)
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