6,7-Dihydro-2H-thiopyrano[3,4-d]isoxazol-3(4H)-one CAS 113748-39-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 113748-39-3 |
| Molecular Formula | C6H7NO2S |
| Molecular Weight | 157.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6,7-Dihydro-2H-thiopyrano[3,4-d]isoxazol-3(4H)-one (CAS 113748-39-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H7NO2S. Molecular weight: 157.19 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H7NO2S |
| Molecular Weight | 157.19 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Dihydro Standards
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- 2-Oxo-2,3-dihydro-1H-indene-5-carbonitrile (CAS 1187983-93-2)
- Methyl 2-(3,4-dihydro-2H-pyrrol-5-yl)hydrazine-1-carboxylate (CAS 1306753-54-7)
- 2-Oxo-2,3-dihydro-1H-indene-4-carbonitrile (CAS 1366723-82-1)
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- 7-Methyl-2,3-dihydro-1H-indene-4-carbonitrile (CAS 15085-20-8)
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Recommended Standards
- 2,5-Dimethylthiazole-4-carboxylic Acid (CAS 113366-73-7)
- 2-Amino-N-methylthiazole-5-carboxamide (CAS 1177494-20-0)
- 2-(5-Methylthiazol-2-yl)acetic acid (CAS 1092297-79-4)
- 4-Bromo-6-(trifluoromethyl)-1H-benzo[d]imidazole-2-thiol (CAS 175135-17-8)
- tert-Butyl(3-(5-(4-Aminophenylsulfonamido)-6-methoxypyrazin-2-yl)propyl)carbamate (CAS 1621083-43-9)
- 3-[2-(2-Propynyloxy)ethyl]piperidine hydrochloride (CAS 1219949-04-8)
- Torasemide Impurity 10 (CAS 110363-52-5)
- 11-Maleimidoundecanoic Acid Hydrazide (CAS 359436-62-7)
- 2-bromo-6-methoxyaniline hydrochloride (CAS 861084-02-8)
- D-Ala18-Tirzepatide (CAS CATO-CPTD788916)
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