(4r)-4-Hydroxy-3,4-dihydro-2h-1λ6-benzothiopyran-1,1-dione CAS 1308650-41-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1308650-41-0 |
| Molecular Formula | C9H10O3S |
| Molecular Weight | 198.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(4r)-4-Hydroxy-3,4-dihydro-2h-1λ6-benzothiopyran-1,1-dione (CAS 1308650-41-0) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C9H10O3S. Molecular weight: 198.24 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C9H10O3S |
| Molecular Weight | 198.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Sulfur Atoms | 1 |
Related r Standards
- (4s)-4-Hydroxy-3,4-dihydro-2h-1λ6-benzothiopyran-1,1-dione (CAS 1211548-70-7)
- 3-Hydroxy-3-methyl-2,3-dihydrobenzothiophene 1,1-Dioxide (CAS 62521-48-6)
- 3-Hydroxy-3-phenylthietane 1,1-dioxide (CAS 66982-50-1)
- Methyl 2-hydroxy-4-(methylthio)benzoate (CAS 95420-73-8)
- cis-3-hydroxy-3-phenyl-cyclobutanecarboxylic acid (CAS 1812175-28-2)
- 1-ethyl-3-hydroxy-1,2-dihydroquinoxalin-2-one (CAS 869199-13-3)
- 3-Hydroxy-4,7,7-trimethylbicyclo[2.2.1]Heptane-1-carboxylic acid (CAS 93257-31-9)
- 3-Hydroxy-4,7,7-trimethylbicyclo[2.2.1]heptane-2-carboxylic acid (CAS 6246-41-9)
Recommended Standards
- Isoindoline-5-sulfonamide (CAS 1306603-24-6)
- Ethyl 5-cyclopropyl-1,3,4-thiadiazole-2-carboxylate (CAS 1330755-46-8)
- N-cyclopropylpyridine-2-sulfonamide (CAS 1303968-52-6)
- 1,1,1,3,5,5,5-Heptamethyltrisiloxane (CAS 1873-88-7)
- 4-Bromomethyl-2-Iodo-1-methyl-benzene (CAS 626250-55-3)
- Methyl 2,2,3,4,4,4-hexafluorobutyrate (CAS 106538-78-7)
- (2-Fluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)methanol (CAS 1333264-07-5)
- 4-(6-Oxo-3-(piperidin-1-yl)pyridazin-1(6H)-yl)benzoic acid (CAS 1707372-97-1)
- Lercanidipine Impurity 58 (CAS CATO-C4X-136458)
- Semaglutide impurity 199 (CAS CATO-C4X-2226199)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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