2-Methyl-3-(2-(3-nitrophenyl)-2-oxoethyl)naphthalene-1,4-dione CAS 303997-22-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 303997-22-0 |
| Molecular Formula | C19H13NO5 |
| Molecular Weight | 335.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Methyl-3-(2-(3-nitrophenyl)-2-oxoethyl)naphthalene-1,4-dione (CAS 303997-22-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C19H13NO5. Molecular weight: 335.31 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C19H13NO5 |
| Molecular Weight | 335.31 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
Related Methyl Standards
- Bis-(4-nitrophenyl)phenylamine (CAS 1100-10-3)
- (2e)-3-[3-(3-nitrophenyl)-1-phenyl-1h-pyrazol-4-yl]prop-2-enoic acid (CAS 381214-35-3)
- 2-Methyl-3-[2-(4-nitrophenyl)-2-oxoethyl]naphthoquinone (CAS 88007-99-2)
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Recommended Standards
- 2-Methoxyethyl 6-methyl-4-(2-nitrophenyl)-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate (CAS 301675-70-7)
- 2-{[2-(2-Nitrobenzoyl)hydrazino]carbonyl}cyclohexanecarboxylic acid (CAS 581781-88-6)
- 2-Nitro-N-(4-nitrophenyl)-N-phenylaniline (CAS 887407-14-9)
- {[1-(3-Methylphenyl)pyrrolidin-3-yl]methyl}amine dihydrochloride (CAS 1017474-51-9)
- Triphenylsulfonium (CAS 18393-55-0)
- (2R,3S)-3-amino-2-hydroxy-3-phenylpropanamide (CAS CATO-C4X-111546)
- N-Methyl Picolinamide-d3 (CAS 1346600-66-5)
- 6-(3-oxazol-2-yl-phenyl)-imidazo[1,2-a]pyrazin-8-yl]-amine (CAS 1229206-92-1)
- 2-(5-Bromo-6-chloropyridin-3-yl)ethan-1-ol (CAS 2007919-90-4)
- Semaglutide impurity 80 (CAS CATO-C4X-222680)
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 13829788188 / jacky.chen@cato-chem.com