(S)-8,9-difluoro-5-methyl-1-oxo-6,7-dihydro-1H,5H-pyrido[3,2,1-ij]quinoline-2-carboxylic acid CAS 154357-40-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 154357-40-1 |
| Molecular Formula | C14H11F2NO3 |
| Molecular Weight | 279.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(S)-8,9-difluoro-5-methyl-1-oxo-6,7-dihydro-1H,5H-pyrido[3,2,1-ij]quinoline-2-carboxylic acid (CAS 154357-40-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C14H11F2NO3. Molecular weight: 279.24 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C14H11F2NO3 |
| Molecular Weight | 279.24 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related S Standards
- 2,2-Difluoro-8-methyl-1,3-dioxolo[4,5-h][1,2,4]triazolo[1,5-c]quinazolin-5-amine (CAS 1670257-15-4)
- 2-(3,5-Difluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)acetonitrile (CAS 2201101-32-6)
- 6,8-Difluoro-1-iodoimidazo[1,5-a]pyridine (CAS 1431163-22-2)
- 6,7-Difluoro-3-iodo-1H-indazole (CAS 1935364-09-2)
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- 5,7-Difluoro-3-iodo-1H-indazole (CAS 944898-99-1)
- 2,4-Difluoro-6-nitrophenacyl bromide (CAS 1803730-83-7)
Recommended Standards
- 4-(2,5-Difluorophenyl)-3h,4h,5h,6h,7h-imidazo[4,5-c]pyridine-6-carboxylic acid (CAS 1426142-67-7)
- 2-(3,5-Difluorophenyl)-6-methyl-2,3-dihydro-1H-imidazo[1,2-b]pyrazole-7-carboxylic acid (CAS 1710471-72-9)
- methyl 2-amino-4-fluoro-5-(4-fluorophenoxy)benzoate (CAS 1333657-08-1)
- 3,3'-(Methylphosphoryl)dipropanoic acid (CAS 5296-40-2)
- 2-(4-methylthiazol-2-yl)propan-2-ol (CAS 124341-73-7)
- 1-(4-Isopropoxybenzyl)piperazine (CAS 21867-72-1)
- Baloxavir Impurity 69 (CAS CATO-C4X-210869)
- 4-Amino-1-methylpiperidine-2,6-dione (CAS 770653-96-8)
- (2Z)-3-[1-(1,3-Thiazol-2-yl)-1H-pyrrol-2-yl]prop-2-enoic acid (CAS 691887-94-2)
- D-Ala35-Tirzepatide (CAS CATO-CPTD788904)
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