3,3-Dimethyl-2-oxo-2,3-dihydro-1h-indole-5-sulfonyl chloride CAS 131880-56-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 131880-56-3 |
| Molecular Formula | C10H10ClNO3S |
| Molecular Weight | 259.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,3-Dimethyl-2-oxo-2,3-dihydro-1h-indole-5-sulfonyl chloride (CAS 131880-56-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C10H10ClNO3S. Molecular weight: 259.71 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C10H10ClNO3S |
| Molecular Weight | 259.71 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- (2,3,5,6-Tetrachlorophenyl)boronic acid (CAS 1310930-82-5)
- 3-(3-Cyanophenoxy)propane-1-sulfonyl chloride (CAS 1339607-05-4)
- 2-acetyl-2,3-dihydro-1H-isoindole-5-sulfonyl chloride (CAS 1306607-01-1)
- L-Histidine hydrochloride (CAS 645-35-2)
- 4-(2,3-Dihydrobenzofuran-5-yl)pyrrolidin-2-one (CAS 1367023-57-1)
- Fmoc-Asp(OtBu)-Ser(Psi(Me,Me)pro)-OH (CAS 955048-92-7)
- 1-(1-Ethylpyrrolidin-2-yl)-N-(2-methoxybenzyl)methanamine (CAS 726162-66-9)
- Potassium 2-cyclopropyl-2-oxoacetate (CAS 56512-18-6)
- Cyclopropyl(2-fluorophenyl)methanol (CAS 844470-89-9)
- Semaglutide Impurity 140 (CAS CATO-C4X-2226140)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com