9-Cyclopropyl-6-fluoro-8-methoxy-7-(2-methylpyridin-4-yl)isothiazolo[5,4-b]quinoline-3,4(2H,9H)-dione CAS 906527-41-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 906527-41-1 |
| Molecular Formula | C20H16FN3O3S |
| Molecular Weight | 397.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
9-Cyclopropyl-6-fluoro-8-methoxy-7-(2-methylpyridin-4-yl)isothiazolo[5,4-b]quinoline-3,4(2H,9H)-dione (CAS 906527-41-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H16FN3O3S. Molecular weight: 397.42 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C20H16FN3O3S |
| Molecular Weight | 397.42 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Cyclopropyl Standards
- 2-((4-Benzyl-5-cyclopropyl-4H-1,2,4-triazol-3-yl)thio)-1-(5-fluoro-2-methoxyphenyl)ethan-1-one (CAS 919901-13-6)
- Cyclopropyl[4-(1-{[6-(trifluoromethyl)-3-pyridinyl]methyl}-4-piperidinyl)-1-piperazinyl]methanone (CAS 909670-30-0)
- 1-Cyclopropyl-6-fluoro-4-oxo-7-(piperazin-1-yl)-8-(trifluoromethyl)-1,4-dihydroquinoline-3-carboxylic acid (CAS 138059-98-0)
- Ethyl 2-(3-cyclopropyl-6-(thiophen-2-yl)-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetate (CAS 1018051-77-8)
- 2-(3-Cyclopropyl-6-(5-ethylthiophen-2-yl)-4-(trifluoromethyl)-1h-pyrazolo[3,4-b]pyridin-1-yl)acetic acid (CAS 937606-22-9)
- 3-(3-(5-Cyclopropyl-3-(trifluoromethyl)-1h-pyrazol-1-yl)propyl)-2-thioxo-2,3-dihydroquinazolin-4(1h)-one (CAS 1006345-64-7)
- (5-Cyclopropyl-isoxazol-4-yl)-(4-ethanesulfonyl-2,5-dimethyl-3-oxazol-2-yl-phenyl)-methanone (CAS 1231571-57-5)
- (5-Cyclopropyl-isoxazol-4-yl)-(3-ethanesulfonyl-2,5-dimethyl-4-oxazol-2-yl-phenyl)-methanone (CAS 1231596-90-9)
Recommended Standards
- 8-(Dibenzo[b,d]furan-4-yl)-2-morpholino-4H-chromen-4-one (CAS 503468-92-6)
- Ethyl 2-amino-4-(4-fluorophenyl)-5-oxo-4H,5H-thiochromeno[4,3-b]pyran-3-carboxylate (CAS 923560-07-0)
- 3-(2-Methoxyphenoxy)-9-(3-methoxypropyl)-9,10-dihydro-4H,8H-chromeno[8,7-e][1,3]oxazin-4-one (CAS 946293-62-5)
- 4-(3-Chlorophenyl)-1,2-dimethyl-1H-imidazol-5-amine (CAS 1248461-01-9)
- 4-Bromo-6-(sec-butyl)pyrimidine (CAS 1086382-36-6)
- (R)-4-(2-Trifluoromethyl-piperidin-1-yl)-aniline (CAS 1416348-86-1)
- 4-[(Benzenesulfinyl)methyl]-6-methoxy-2-phenylpyrimidine (CAS 320421-38-3)
- 1-(((Tert-butoxycarbonyl)amino)methyl)spiro[2.5]Octane-1-carboxylic acid (CAS 724773-53-9)
- 4-(Methylsulfonyl)-3-(4-nitrophenyl)-1H-pyrazole (CAS 1447962-42-6)
- Acetyl-Exenatide trifluoroacetate salt (CAS 305815-28-5)
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