3,4,4,5-Tetramethyl-3,4-dihydro-2H-[1,3'-biquinolin]-2-one CAS 918646-28-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 918646-28-3 |
| Molecular Formula | C22H22N2O |
| Molecular Weight | 330.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3,4,4,5-Tetramethyl-3,4-dihydro-2H-[1,3'-biquinolin]-2-one (CAS 918646-28-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C22H22N2O. Molecular weight: 330.42 g/mol. Batch-specific COA and technical support are available on request.
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)
- 3,4,4,6-Tetramethyl-3,4-dihydro-2H-[1,3'-biquinolin]-2-one (CAS 918646-30-7)
- 3,4,4,8-Tetramethyl-3,4-dihydro-2H-[1,3'-biquinolin]-2-one (CAS 918646-33-0)
- 4,4,5,5-Tetramethyl-2-(2,4,6-triisopropylphenyl)-1,3,2-dioxaborolane (CAS 914675-53-9)
- 1-Ethyl-4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)piperazine (CAS 364794-83-2)
- 1,1,5,5-Tetramethyl-3,3-diphenyltrisiloxane (CAS 17875-55-7)
- 4,4,5,5-Tetramethyl-2-(4-(naphthalen-1-yl)phenyl)-1,3,2-dioxaborolane (CAS 1028729-05-6)
Recommended Standards
- 3,3'-(Piperazine-1,4-diyl)bis(propane-1-sulfonic acid) (CAS 5625-56-9)
- 3-(4-Cyclohexylphenyl)-1-phenyl-1H-pyrazole-4-carbaldehyde (CAS 956706-66-4)
- 3-Allyl-2-mercapto-5-(4-methoxyphenyl)thieno[2,3-d]pyrimidin-4(3H)-one (CAS 307512-27-2)
- 1-(difluoromethoxy)-4-methyl-2-nitrobenZene (CAS 1245772-51-3)
- 1-(6-chloropyridin-2-yl)-1H-pyrazol-5-ol (CAS 1007030-95-6)
- 3-Benzyl-8-(styrylsulfonyl)-3,8-diazabicyclo[3.2.1]octane (CAS 1421586-88-0)
- 2,2-Difluoro-2-(6-fluoro-1H-indazol-5-yl)acetic acid (CAS 1638772-28-7)
- N-Sulphamyl-3-chloropropionamidine (CAS 106492-70-0)
- 7-Methylimidazo[1,2-a]pyridine-8-carbonitrile (CAS 1352888-45-9)
- Semaglutide Impurity 164 (CAS CATO-C4X-2226164)
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