2,7-Dimethylbenzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetrone CAS 20958-66-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 20958-66-1 |
| Molecular Formula | C16H10N2O4 |
| Molecular Weight | 294.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,7-Dimethylbenzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetrone (CAS 20958-66-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C16H10N2O4. Molecular weight: 294.26 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C16H10N2O4 |
| Molecular Weight | 294.26 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 2-(4-Nitrophenyl)quinoline-4-carboxylic acid (CAS 70097-13-1)
- 2-{[(4-nitrophenyl)amino]methylidene}-2,3-dihydro-1H-indene-1,3-dione (CAS 40462-01-9)
- 2-(4-Hexylthiophen-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 883742-29-8)
- [2-(Acetyl-cyclopropyl-amino)-cyclohexylamino]-acetic acid (CAS 1353985-87-1)
- Butyl 4-(2,4-dinitrophenyl)butanoate (CAS 866151-85-1)
- (4-((2-(Trifluoromethyl)pyrimidin-4-yl)oxy)phenyl)methanol (CAS 1215662-44-4)
- 2-(2,5-Dimethylphenyl)piperidine oxalate (CAS 1177319-39-9)
- Ethyl 2-hydroxy-6-methyl-4-oxocyclohex-2-ene-1-carboxylate (CAS 21855-43-6)
- N-Succinyl-Ile-Ile-Trp-AMC (CAS 133525-12-9)
- Insulin Degludec impurity 4 (CAS CATO-C4X-21574)
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