Benzenesulfonic (2S)-4-bromopyrrolidine-2-carboxylic anhydride CAS 61264-65-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 61264-65-1 |
| Molecular Formula | C9H11BrO3S |
| Molecular Weight | 279.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Benzenesulfonic (2S)-4-bromopyrrolidine-2-carboxylic anhydride (CAS 61264-65-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H11BrO3S. Molecular weight: 279.15 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H11BrO3S |
| Molecular Weight | 279.15 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Benzenesulfonic Standards
- Benzenesulfonic acid, 4-(bromomethyl)-, sodium salt (1:1) (CAS 32014-22-5)
- Benzenesulfonic Impurity 3 (CAS 1352414-81-3)
- Benzenesulfonic Impurity 5 (CAS 51395-19-8)
- Benzenesulfonic Impurity 6 (CAS 51395-20-1)
- Benzenesulfonic Anhydride (CAS 512-35-6)
- Benzenesulfonic (2S)-4-(dimethylamino)-1-methylpyrrolidine-2-carboxylic anhydride (CAS 62305-75-3)
- Benzenesulfonic acid, 2-(trifluoromethyl)-, 2-(2,2-difluoroethylidene)hydrazide (CAS 2245235-35-0)
- Benzenesulfonic Impurity 2 (CAS 1352414-88-0)
Recommended Standards
- 8-bromo-3-fluoro-naphthalene-1-carboxylic acid (CAS 2387597-18-2)
- N-(2-Aminoethyl)-4-bromobenzenesulfonamide (CAS 90002-56-5)
- 4-Bromo-3-methylbenzyl methanesulfonate (CAS 948350-91-2)
- (2S,3S,4R,5R)-Hexane-1,2,3,4,5-pentaol (CAS 95120-27-7)
- 5-Bromo-3-(difluoromethyl)pyridin-2-amine (CAS 1335050-39-9)
- Ethyl 5-chloro-1-methyl-1H-indole-2-carboxylate (CAS 59908-53-1)
- 1-(2,7-Diazaspiro[3.5]nonan-7-yl)ethanone dihydrochloride (CAS 2387598-67-4)
- 5-Cyclopropyl-2-(2-hydroxyethyl)-1,2-dihydro-3H-pyrazol-3-one (CAS 1564700-78-2)
- (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-cyclopropylbutanoic acid (CAS 2350690-47-8)
- Semaglutide Impurity 192 (CAS CATO-C4X-2226192)
Why CATO?
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