5-(9H-Fluoren-2-yl)-2,3-dihydrothieno[3,4-b][1,4] dioxine CAS 1239981-28-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1239981-28-2 |
| Molecular Formula | C19H14O2S |
| Molecular Weight | 306.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 5-(9H-Fluoren-2-yl)-2,3-dihydrothieno[3,4-b][1,4] dioxine (CAS 1239981-28-2) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C19H14O2S. Molecular weight: 306.38 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C19H14O2S |
| Molecular Weight | 306.38 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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.) | 1990 |
| Sulfur Atoms | 1 |
Related H Standards
- (9H-Fluoren-9-yl)methyl 2-oxopyrrolidine-1-carboxylate (CAS 208519-92-0)
- (9H-Fluoren-9-yl)methyl3-oxopyrrolidine-1-carboxylate (CAS 672310-12-2)
- (9H-fluoren-9-yl)methyl piperidine-1-carboxylate (CAS 207558-19-8)
- (9H-Fluoren-9-yl)methyl (1H-imidazol-2-yl)carbamate (CAS 1341980-80-0)
- (9H-Fluoren-9-yl)methyl (1H-pyrazol-3-yl)carbamate (CAS 1342457-33-3)
- (9H-fluoren-9-yl)methyl azetidin-3-yl(methyl)carbamate (CAS 2163624-97-1)
- (9H-fluoren-9-yl)methyl piperazine-1-carboxylate (CAS 219312-89-7)
- (9H-Fluoren-9-yl)methyl pyrrolidin-3-ylcarbamate (CAS 690954-40-6)
Recommended Standards
- 1-(4-Methyl-2-phenylthiazol-5-yl)-3-(pyridin-3-yl)prop-2-en-1-one (CAS 1211941-77-3)
- Tert-butyl 7-fluorospiro[indoline-3,4'-piperidine]-1'-carboxylate (CAS 1290625-24-9)
- Ethyl 2-((5-(4-methoxyphenyl)-1-methyl-1H-imidazol-2-yl)thio)acetate (CAS 1206993-40-9)
- 3-(Sec-butyl)-1-methyl-4-propyl-1h-pyrazol-5-amine (CAS 1512618-77-7)
- N-[(R)-1-(2-Amino-acetyl)-pyrrolidin-3-yl]-acetamide (CAS 1353994-08-7)
- 1-(2,4-Dihydroxy-5-propylphenyl)ethan-1-one (CAS 63411-87-0)
- Methylmagnesium Iodide-13C (CAS 105176-13-4)
- 2-Bromo-3-chloro-6-(difluoromethyl)-4-methoxypyridine (CAS 1805383-69-0)
- 4-tert-Butyldimethylsiloxyacetophenone (CAS 149683-53-4)
- Semaglutide Impurity 128 (CAS 2490269-78-6)
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