N-(4-Acetylphenyl)-2-(3-oxo-5,6,7,8-tetrahydrocinnolin-2(3H)-yl)acetamide CAS 933028-06-9
| CAS No. | 933028-06-9 |
| Molecular Formula | C18H19N3O3 |
| Molecular Weight | 325.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
N-(4-Acetylphenyl)-2-(3-oxo-5,6,7,8-tetrahydrocinnolin-2(3H)-yl)acetamide (CAS 933028-06-9), molecular formula C18H19N3O3 and molecular weight 325.36 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, N-(4-Acetylphenyl)-2-(3-oxo-5,6,7,8-tetrahydrocinnolin-2(3H)-yl)acetamide (C18H19N3O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 325.36 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), N-(4-Acetylphenyl)-2-(3-oxo-5,6,7,8-tetrahydrocinnolin-2(3H)-yl)acetamide 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 | C18H19N3O3 |
| Molecular Weight | 325.36 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 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
Related N Standards
- N-(3-Acetylphenyl)-2-(2-isopropyl-5-methylphenoxy)acetamide (CAS 303795-87-1)
- 2-((4-Acetylphenyl)amino)-3-chloronaphthalene-1,4-dione (CAS 130089-98-4)
- 3-((2-(4-Acetylphenyl)-2H-benzo[d][1,2,3]triazol-5-yl)amino)propanoic acid (CAS 123228-50-2)
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Recommended Standards
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- N-((2S,3R,4R,5S,6R)-2-(benzyloxy)-5-hydroxy-6-(hydroxymethyl)-4-methoxytetrahydro-2H-pyran-3-yl)acetamide (CAS 93215-41-9)
- N-(5,6-dimethoxy-3-oxo-2,3-dihydro-1H-inden-1-yl)-4-methylbenzamide (CAS 691884-02-3)
- 2-Bromo-6-(trimethylsilyl)pyridine (CAS 59409-80-2)
- (2E)-3-Amino-2-cyano-3-[4-(4-methoxyphenyl)piperazin-1-yl]-N-methylprop-2-enethioamide (CAS 338410-15-4)
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