4,4,6,8-Tetramethyl-4H-pyrrolo[3,2,1-ij]quinoline-1,2-dione CAS 74442-16-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 74442-16-3 |
| Molecular Formula | C15H15NO2 |
| Molecular Weight | 241.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,4,6,8-Tetramethyl-4H-pyrrolo[3,2,1-ij]quinoline-1,2-dione (CAS 74442-16-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C15H15NO2. Molecular weight: 241.29 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C15H15NO2 |
| Molecular Weight | 241.29 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 4-(Pyrrolidin-1-yl)-1-naphthoic acid (CAS 664362-55-4)
- 4-[(4-Methoxyphenyl)(Methyl)Amino]Benzaldehyde (CAS 54849-47-7)
- 4-(Piperidin-1-yl)quinazoline-6-carbaldehyde (CAS 648449-10-9)
- 4-Bromo-2-(1,1,1,3,3,3-hexafluoropropan-2-yloxy)benzaldehyde 1707604-69-0 (CAS 1707604-69-0)
- Ethyl 2-Chloro-2-(methylimino)acetate (CAS 73188-60-0)
- 5-Bromo-1,2-dimethyl-3-(trifluoromethyl)benzene (CAS 80245-29-0)
- [2-(1-Methyl-1H-pyrazol-4-yl)cyclopropyl]methanamine dihydrochloride (CAS 2034153-33-6)
- Trans-2-(9H-purin-9-yl)cyclopentanol (CAS 7400-58-0)
- 1-(piperidin-4-yl)-4-(propan-2-yl)piperazine (CAS 202991-78-4)
- Semaglutide impurity 198 (CAS CATO-C4X-2226198)
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