2-[(3-Nitrophenyl)methyl]-2H,3H,5H,6H-benzo[h]cinnolin-3-one CAS 478042-31-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 478042-31-8 |
| Molecular Formula | C19H15N3O3 |
| Molecular Weight | 333.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-[(3-Nitrophenyl)methyl]-2H,3H,5H,6H-benzo[h]cinnolin-3-one (CAS 478042-31-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H15N3O3. Molecular weight: 333.34 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H15N3O3 |
| Molecular Weight | 333.34 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
Related Nitrophenyl Standards
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- 1-(4-(3-Nitrophenyl)thiazol-2-yl)piperidine-4-carboxylic acid (CAS 361371-27-9)
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Recommended Standards
- 2-[(2,4-Dinitrophenyl)thio]-benzothiazole (CAS 4230-91-5)
- 2-(4-(2,2-Dicyanovinyl)-2-methoxyphenoxy)-N-phenylacetamide (CAS 333341-47-2)
- 2-{1'-acetyl-4-oxo-3,4-dihydrospiro[1-benzopyran-2,4'-piperidine]-7-yloxy}acetic acid (CAS 924740-45-4)
- 4-Chloro-6-(difluoromethyl)-3-hydroxypyridine-2-carbonyl chloride (CAS 1807079-54-4)
- Tert-butyl (3-(hydroxymethyl)azetidin-3-yl)carbamate (CAS 1262411-11-9)
- 4-chloro-1-ethyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid (CAS 59060-16-1)
- 6-Amino-5-(trifluoromethyl)nicotinic acid (CAS 1476762-30-7)
- (E)-N-(benzo[d][1,3]dioxol-5-ylmethyl)-2-(pyridin-4-yl)ethene-1-sulfonamide (CAS 339018-70-1)
- Bupropion Impurity 21 (CAS 2133460-42-9)
- Tirzepatide Impurity 24 X TFA Salt (CAS CATO-C4X-324024)
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