4-(Phenylthio)-5,6-dihydro-4H-thieno[2,3-b]thiopyran 7,7-dioxide CAS 478067-51-5
| CAS No. | 478067-51-5 |
| Molecular Formula | C13H12O2S3 |
| Molecular Weight | 296.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-(Phenylthio)-5,6-dihydro-4H-thieno[2,3-b]thiopyran 7,7-dioxide meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
CATO supplies 4-(Phenylthio)-5,6-dihydro-4H-thieno[2,3-b]thiopyran 7,7-dioxide (CAS 478067-51-5), a certified reference material (molecular formula C13H12O2S3, MW 296.43 g/mol) for analytical method development and quality control.
Based on its molecular formula C13H12O2S3, 4-(Phenylthio)-5,6-dihydro-4H-thieno[2,3-b]thiopyran 7,7-dioxide contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 296.43 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C13H12O2S3 |
| Molecular Weight | 296.43 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Sulfur Atoms | 3 |
Related Phenylthio Standards
- Ethyl 3-(phenylthio)-1H-indole-2-carboxylate (CAS 106184-17-2)
- 3-(Phenylthio)benzoic acid (CAS 5537-72-4)
- 2,6-Bis(phenylthio)pyridine (CAS 247195-66-0)
- 8-((2-(Phenylthio)ethyl)thio)quinoline (CAS 71314-97-1)
- 2-(1-(Phenylthio)cyclopentyl)-2H-benzo[d][1,2,3]triazole (CAS 138883-66-6)
- 1-(1-(Phenylthio)cyclopentyl)-1H-benzo[d][1,2,3]triazole (CAS 138883-73-5)
- 6-((Phenylthio)methyl)-2-(pyridin-3-yl)pyrimidin-4(3H)-one (CAS 852377-18-5)
- 6-((Phenylthio)methyl)-2-(pyridin-4-yl)pyrimidin-4(3H)-one (CAS 337923-17-8)
Recommended Standards
- 3-(4-Ethylphenyl)-2,2-dimethyl-2,3-dihydroquinazoline-4(1H)-thione (CAS 823195-54-6)
- Dibenzo[d,d′]thieno[3,2-b;4,5-b′]dithiophene (CAS 241-13-4)
- 3-(1-Methylpyrrolidin-3-yl)-1,1-diphenylurea (CAS 54798-76-4)
- N-(Pentan-3-yl)-2-(thiophen-2-yl)quinolin-4-amine (CAS 853328-22-0)
- 2-(Biphenyl-4-ylmethyl)-1H-benzimidazole (CAS 68321-03-9)
- 1-Phenoxycyclohexane-1-carboxylic acid (CAS 716361-84-1)
- 2-Butenedioic acid (2Z)-, 1-(2-ethylhexyl) ester, polymer with ethenyl acetate and 2,5-furandione (CAS 63528-94-9)
- 4-Methoxy-N-(2-((4-phenylpiperazin-1-yl)sulfonyl)ethyl)benzamide (CAS 899979-61-4)
- (2-Oxopiperidin-1-yl)acetyl chloride (CAS 1706431-22-2)
- 3-Chloro-4-(N,N-dimethylamino)phenylboronic acid pinacol ester (CAS 1613259-65-6)
- Methyl 3-(2-chloroacetamido)-1H-indole-2-carboxylate (CAS 843615-63-4)
- 2-chloromethyl-pyrimidine (CAS 54198-88-8)
- 2-Ethynylbenzenesulfonamide (CAS 149364-67-0)
- (Leu31,Pro34)-Peptide YY (human) trifluoroacetate salt (CAS 179986-95-9)
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