8-Chloro-3,3,4,4-tetramethyl-3,4-dihydro-2H-[1,3'-biquinolin]-2-one CAS 918646-22-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 918646-22-7 |
| Molecular Formula | C22H21ClN2O |
| Molecular Weight | 364.87 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
8-Chloro-3,3,4,4-tetramethyl-3,4-dihydro-2H-[1,3'-biquinolin]-2-one (CAS 918646-22-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C22H21ClN2O. Molecular weight: 364.87 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C22H21ClN2O |
| Molecular Weight | 364.87 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; 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 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- Benzyl 4-((2-chloro-N-cyclopropylacetamido)methyl)piperidine-1-carboxylate (CAS 1353954-64-9)
- Benzyl (4-(2-chloro-N-cyclopropylacetamido)cyclohexyl)carbamate (CAS 1353960-56-1)
- Benzyl 2-((2-chloro-N-cyclopropylacetamido)methyl)piperidine-1-carboxylate (CAS 1353987-26-4)
- Benzyl (2-(2-chloro-N-cyclopropylacetamido)cyclohexyl)carbamate (CAS 1353987-32-2)
- 2-Chloro-9,10-diphenylanthracene (CAS 43217-28-3)
- 5-Chloro-3-methyl-3-propyl-3,4-dihydro-2H-[1,3'-biquinolin]-2-one (CAS 918646-19-2)
- 8-Chloro-3,4,4,5-tetramethyl-3,4-dihydro-2H-[1,3'-biquinolin]-2-one (CAS 918646-36-3)
- 3-(3-chloro-4-fluorophenyl)-4-oxo-2-sulfanyl-3,4-dihydroquinazoline-7-carboxylic acid (CAS 790271-23-7)
Recommended Standards
- N-Nitroso Hydroxychloroquine (CAS CATO-C4X-183563)
- 2,5-Diiodo-4-nitro-1H-imidazole (CAS 19183-12-1)
- 1-(3,4,5-Tribromothiophen-2-yl)ethanol (CAS 1707667-46-6)
- 1-(3-Chloro-2-fluoropyridin-4-yl)ethanol (CAS 1149586-95-7)
- [1,2,4]Triazolo[4,3-a]pyridine (CAS 274-80-6)
- 7-Ethynyl-1H-pyrazolo[3,4-c]pyridine (CAS 1374651-96-3)
- 2-[5-(Difluoromethyl)pyridin-2-yl]ethan-1-amine (CAS 1211515-06-8)
- N-(2-Fluoro-5-nitrophenyl)-N-(methylsulfonyl)-methanesulfonamide (CAS 1135282-97-1)
- Etizolam Impurity 25 (CAS CATO-C4X-350925)
- Semaglutide（sodium salt） (CAS CATO-C4X-222619)
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