7-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-4-hydroxy-9-(trifluoromethyl)thieno[2,3-b:4,5-b']dipyridin-2(1H)-one CAS 626228-56-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 626228-56-6 |
| Molecular Formula | C19H11F3N2O4S |
| Molecular Weight | 420.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-4-hydroxy-9-(trifluoromethyl)thieno[2,3-b:4,5-b']dipyridin-2(1H)-one (CAS 626228-56-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H11F3N2O4S. Molecular weight: 420.36 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H11F3N2O4S |
| Molecular Weight | 420.36 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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.) | 1985 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Dihydrobenzo Standards
- N-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-2-((3-(pyridin-4-yl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetamide (CAS 868969-87-3)
- N-(1-((2,3-Dihydrobenzo[b][1,4]dioxin-2-yl)methyl)-1H-pyrazol-4-yl)-5-(1,2-dithiolan-3-yl)pentanamide (CAS 1705877-03-7)
- 7-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-9-(trifluoromethyl)pyrido[3',2':4,5]thieno[3,2-d]pyrimidine-2,4(1H,3H)-dione (CAS 625376-54-7)
- 1-(4-((2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)sulfonyl)piperazin-1-yl)-2-phenoxyethan-1-one (CAS 847840-70-4)
- 1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-3-(1-(3-(pyrazin-2-yl)-1,2,4-oxadiazol-5-yl)cyclohexyl)urea (CAS 1396679-82-5)
- 2-(5-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)isoxazol-3-yl)-N-((5-(thiophen-2-yl)isoxazol-3-yl)methyl)acetamide (CAS 1171842-27-5)
- 2-((2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)amino)-2-oxoethyl (thiophene-2-carbonyl)prolinate (CAS 956202-97-4)
- 2-(((1-((2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)sulfonyl)piperidin-4-yl)methyl)thio)-4-methylthiazole (CAS 1428356-69-7)
Recommended Standards
- 6-Amino-N-(2,6-dichlorophenyl)-4-thia-2-azatricyclo[7.6.0.0^{3,7}]pentadeca-1(9),2,5,7-tetraene-5-carboxamide (CAS 496804-79-6)
- Regorafenib Impurity 60 (CAS CATO-C4X-104760)
- 5'-Bromo-1'-tosylspiro[cyclohexane-1,3'-indoline] (CAS 2306271-15-6)
- 3-(Hydroxymethyl)tetrahydrofuran (CAS 15833-61-1)
- 4-(4-Chlorophenyl)-5-methyl-1H-imidazole hydrochloride (CAS 70169-80-1)
- (2R,3R,4S,5R)-2-(6-amino-9H-purin-9-yl)-5-((isopropylamino)methyl)tetrahydrofuran-3,4-diol (CAS 1394956-64-9)
- 1-Isobutyryl-1,2,3,4-tetrahydroquinolin-7-amine (CAS 1018287-36-9)
- OX1a (CAS 136340-88-0)
- 2-(Chloromethyl)-5-(4-chlorophenyl)-3h,4h-thieno[2,3-d]pyrimidin-4-one (CAS 91225-69-3)
- Semaglutide impurity 276 (CAS CATO-C4X-2226276)
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