3-Isocyanato-2,3-dihydrothiophene 1,1-dioxide CAS 61308-98-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 61308-98-3 |
| Molecular Formula | C5H5NO3S |
| Molecular Weight | 159.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Isocyanato-2,3-dihydrothiophene 1,1-dioxide (CAS 61308-98-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H5NO3S. Molecular weight: 159.16 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H5NO3S |
| Molecular Weight | 159.16 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1974 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Isocyanato Standards
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- Methyl 3-isocyanato-3-methylbutanoate (CAS 50835-71-7)
Recommended Standards
- 3-(Difluoromethyl)thiophene-2-carbonitrile (CAS 2572502-31-7)
- 3-Methoxyisothiazole-4-carboxylic acid (CAS 60666-91-3)
- 2-Methoxy-5-nitrothiophene (CAS 30549-16-7)
- 1,3-Diethyl 2-(3-methylphenyl)propanedioate (CAS 94112-78-4)
- 1-(tert-Butyl) 3-methyl 5-((tert-butyldimethylsilyl)oxy)piperidine-1,3-dicarboxylate (CAS 1415793-76-8)
- 2-((Decanoyloxy)methyl)-2-methylpropane-1,3-diyl bis(decanoate) (CAS 67874-05-9)
- N-Methyl-N-phenylcarbamoyl chloride (CAS 4285-42-1)
- N-(2,4-Difluorophenyl)-2-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidin-2-yl]acetamide (CAS 1775402-96-4)
- 1-(Ethoxycarbonyl)cyclopentane-1-carboxylic acid (CAS 54378-87-9)
- Des-Gly34-Tirzepatide (CAS CATO-CPTD788940)
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