Spiro[1,2-benzisothiazole-3(2H),3'-pyrrolidine]-1'-carboxylic acid, 1,1-dimethylethyl ester, 1,1-dioxide CAS 1251011-18-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1251011-18-3 |
| Molecular Formula | C15H20N2O4S |
| Molecular Weight | 324.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Spiro[1,2-benzisothiazole-3(2H),3'-pyrrolidine]-1'-carboxylic acid, 1,1-dimethylethyl ester, 1,1-dioxide (CAS 1251011-18-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C15H20N2O4S. Molecular weight: 324.40 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C15H20N2O4S |
| Molecular Weight | 324.40 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- N-(2-((6-(1H-Pyrazol-1-yl)pyrimidin-4-yl)amino)ethyl)butane-1-sulfonamide (CAS 1172389-68-2)
- 5-Ethyl-3-(p-tolyl)dihydrofuran-2(3H)-one (CAS 619323-69-2)
- methyl 2-amino-6-chloro-3-methylbenzoate (CAS 298221-40-6)
- 3-Ethynylpyrrolidin-3-ol (CAS 167406-88-4)
- 2-Formamido-4-methylheptanoic acid (CAS 1343308-41-7)
- 4-Bromo-5-(3-chloropropyl)-1,3-dimethyl-1h-pyrazole (CAS 1479814-72-6)
- 5-(2,5-Dioxopyrrolidin-1-yl)naphthalene-1-sulfonyl chloride (CAS 681260-22-0)
- Liraglutide(5-31)TFA Salt (CAS CATO-C4X-19924)
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