2,7-Dimethylbenzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetrone CAS 20958-66-1
| 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
CATO manufactures 2,7-Dimethylbenzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetrone under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
2,7-Dimethylbenzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetrone (CAS 20958-66-1), molecular formula C16H10N2O4 and molecular weight 294.26 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2,7-Dimethylbenzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetrone (C16H10N2O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 294.26 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
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
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- 2-Bromo-5-(ethylsulfonyl)aniline (CAS 942474-55-7)
- [2-(Acetyl-cyclopropyl-amino)-cyclohexylamino]-acetic acid (CAS 1353985-87-1)
- Butyl 4-(2,4-dinitrophenyl)butanoate (CAS 866151-85-1)
- 6-Isopropyl-3-methyl-4,6-dihydrofuro[3,4-c]isoxazole (CAS 156523-86-3)
- (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)
- trans-1,2,3,3a,4,5,6,6a-octahydrocyclopenta[c]pyrrole;hydrochloride (CAS 1415703-03-5)
- 5-Ethoxy-2-phenyl-1,3-oxazole-4-carboxylic acid (CAS 54644-12-1)
- 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 18665070610 / Nicole.chen@cato-chem.com