6'-(4-Chlorophenyl)-2,4-dihydrospiro[1-benzothiopyran-3,3'-[1,5]dioxane]-4-one CAS 338755-71-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 338755-71-8 |
| Molecular Formula | C18H15ClO3S |
| Molecular Weight | 346.83 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6'-(4-Chlorophenyl)-2,4-dihydrospiro[1-benzothiopyran-3,3'-[1,5]dioxane]-4-one (CAS 338755-71-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H15ClO3S. Molecular weight: 346.83 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H15ClO3S |
| Molecular Weight | 346.83 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 3,5-Difluoro-2-nitroacetophenone (CAS 1806304-32-4)
- tert-butyl 4-(2-amino-1,3-thiazol-5-yl)piperidine-1-carboxylate (CAS 820231-21-8)
- (2,2,6,6-Tetramethylpiperidin-4-yl)methanamine (CAS 933751-58-7)
- 3,4,5-Trifluorophenethyl acetate (CAS 1443351-10-7)
- 6-(3-Methoxyphenyl)imidazo[2,1-b]oxazole (CAS 2172381-05-2)
- 5-(Phenoxymethyl)-2h-1,2,3,4-tetrazole (CAS 24896-23-9)
- (D-Ala1)-Peptide T amide (CAS 106362-34-9)
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