3,4-Difluorothiophene CAS 19259-15-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 19259-15-5 |
| Molecular Formula | C4H2F2S |
| Molecular Weight | 120.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 3,4-Difluorothiophene (CAS 19259-15-5) pharmaceutical standards reference standard. Molecular formula: C4H2F2S. Molecular weight: 120.12 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C4H2F2S |
| Molecular Weight | 120.12 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
Related Difluorothiophene Standards
Recommended Standards
- (3R,4S)-3-fluorooxan-4-ol (CAS 1893404-91-5)
- (3R,4R)-3-fluorooxan-4-ol (CAS 1932140-11-8)
- (2-Fluorocyclopropane-1,1-diyl)dimethanol (CAS 1822851-79-5)
- 5,5',5''-(((2,4,6-Trimethylbenzene-1,3,5-triyl)tris(methylene))tris(oxy))triisophthalic acid (CAS 1159974-70-5)
- [(3R)-4-methylmorpholin-3-yl]methanol (CAS 1620510-51-1)
- Nereistoxin Oxalate (CAS 1631-52-3)
- Ensifentrine impurity (CAS 4359-64-2)
- 4-Methylphenyl 2-3-di-O-benzyl-4-6-O-benzylidene-α-D-thiomannopyranoside (CAS 922523-12-4)
- 5-Methylthiazolidine-4-carbohydrazide (CAS 98137-77-0)
- Semaglutide Impurity 5 (CAS 23406-82-8)
Why CATO?
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