1-Cyclopropyl-6,7-difluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic Acid Anhydride with Diacetyl Borate CAS 139678-43-6
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 139678-43-6 |
| Molecular Formula | C18H16BF2NO8 |
| Molecular Weight | 423.13 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
1-Cyclopropyl-6,7-difluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic Acid Anhydride with Diacetyl Borate (CAS 139678-43-6) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C18H16BF2NO8. Molecular weight: 423.13 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C18H16BF2NO8 |
| Molecular Weight | 423.13 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | >95% |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Cyclopropyl Standards
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- (S)-10-Cyclopropyl-1-(9H-fluoren-9-yl)-3,6-dioxo-2,9-dioxa-4,7-diazaundecan-11-oic acid (CAS 2414393-57-8)
- 10-Cyclopropyl-1-(9H-fluoren-9-yl)-3,6-dioxo-2,9-dioxa-4,7-diazaundecan-11-oic acid (CAS 2414254-47-8)
- N-Cyclopropyl-2-(2-(2-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)pyrrolidin-1-yl)acetamido)benzamide (CAS 924148-89-0)
- N-(5-Cyclopropyl-1,3,4-oxadiazol-2-yl)-4-(N,N-diisobutylsulfamoyl)benzamide (CAS 850936-01-5)
- 1-Cyclopropyl-8-(difluoromethoxy)-7-(1-methylisoindolin-5-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 194804-72-3)
- (S)-1-Cyclopropyl-8-(difluoromethoxy)-7-(1-methylisoindolin-5-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 194804-76-7)
- 6-Cyclopropyl-2-{[2-(4-methylbenzenesulfonyl)ethyl]sulfanyl}-4-(trifluoromethyl)pyridine-3-carbonitrile (CAS 625377-24-4)
Recommended Standards
- 5,6-Dichloro-1-(4-chlorobenzyl)-2-(2-chloropyridin-3-yl)-1H-benzo[d]imidazole (CAS 337920-71-5)
- N-(6-Iodopyridazin-3-yl)-2-(3-(trifluoromethoxy)phenyl)acetamide (CAS 1853165-17-9)
- 5,6-Dichloro-1-(3-chlorobenzyl)-2-(2-chloropyridin-3-yl)-1H-benzo[d]imidazole (CAS 337920-69-1)
- Roflumilast Impurity 33 (CAS 2376345-94-5)
- Polymyxin Impurity 39 TFA (CAS CATO-C4X-225539)
- 2-Isocyanatoethyl acetate (CAS 14568-37-7)
- 2-Cycloheptyl-2-(4-methoxyphenyl)acetic acid (CAS 1557654-24-6)
- (7-(2-Fluorophenyl)-1,4-thiazepan-4-yl)(2-(methylthio)phenyl)methanone (CAS 1705865-20-8)
- 4-bromo-2,5-dimethylbenzene-1-sulfonamide (CAS 14207-31-9)
- Endo-Gly29-Tirzepatide (CAS CATO-CPTD788685)
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