3,4,4,8-Tetramethyl-3,4-dihydro-2H-[1,3'-biquinolin]-2-one CAS 918646-33-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 918646-33-0 |
| Molecular Formula | C22H22N2O |
| Molecular Weight | 330.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,4,4,8-Tetramethyl-3,4-dihydro-2H-[1,3'-biquinolin]-2-one (CAS 918646-33-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C22H22N2O. Molecular weight: 330.42 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C22H22N2O |
| Molecular Weight | 330.42 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
Related Tetramethyl Standards
- 3,3',5,5'-Tetramethyl-4,4'-di(2-hydroxethanyloxy)-bibenzene (CAS 120703-31-3)
- 3,3,4,4-Tetramethyl-3,4-dihydro-2H-[1,3'-biquinolin]-2-one (CAS 918645-81-5)
- 3,4,4,5-Tetramethyl-3,4-dihydro-2H-[1,3'-biquinolin]-2-one (CAS 918646-28-3)
- 3,4,4,6-Tetramethyl-3,4-dihydro-2H-[1,3'-biquinolin]-2-one (CAS 918646-30-7)
- 4,4,5,5-Tetramethyl-2-(2,4,6-triisopropylphenyl)-1,3,2-dioxaborolane (CAS 914675-53-9)
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Recommended Standards
- 3-Allyl-2-mercapto-5-(4-methoxyphenyl)thieno[2,3-d]pyrimidin-4(3H)-one (CAS 307512-27-2)
- 3-Methoxy-N-(2-(methylthio)benzo[d]thiazol-6-yl)benzamide (CAS 324538-65-0)
- 3-Methyl-3-propyl-3,4-dihydro-2H-[1,3'-biquinolin]-2-one (CAS 918645-79-1)
- N-Cyclopropyl-2,2,2-trifluoroacetamide (CAS 20613-19-8)
- (2-(Allyloxy)-2-oxoethyl)triphenylphosphonium iodide (CAS 206557-04-2)
- Telmisartan impurity 75 (CAS CATO-C4X-135975)
- 1-Methyl-7-(trifluoromethyl)-7,8-dihydroquinoline-2,5(1H,6H)-dione (CAS 1420792-88-6)
- Dolasetron Impurity 2 (CAS 127951-99-9)
- 1-(4-[(4-Hydrazinophenyl)sulfonyl]phenyl)hydrazine diHCl (CAS 100829-68-3)
- Allo-D-Ile17-Tirzepatide (CAS CATO-CPTD788962)
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