1-[(3-Amino-4-chlorophenyl)sulfonyl]-3-pyrrolidinol CAS 1220018-04-1
| CAS No. | 1220018-04-1 |
| Molecular Formula | C10H13ClN2O3S |
| Molecular Weight | 276.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
1-[(3-Amino-4-chlorophenyl)sulfonyl]-3-pyrrolidinol (CAS 1220018-04-1) is a high-purity analytical reference standard with the molecular formula C10H13ClN2O3S and a molecular weight of 276.74 g/mol.
Based on its molecular formula C10H13ClN2O3S, 1-[(3-Amino-4-chlorophenyl)sulfonyl]-3-pyrrolidinol contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 276.74 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), 1-[(3-Amino-4-chlorophenyl)sulfonyl]-3-pyrrolidinol meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C10H13ClN2O3S |
| Molecular Weight | 276.74 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 3-(((6-Chloropyridin-3-yl)methyl)thio)-[1,2,4]triazolo[4,3-a]pyridine (CAS 1210156-96-9)
- 3-(4-(Chlorosulfonyl)phenyl)pentanoic acid (CAS 1258652-14-0)
- 1-(3-Chloro-2-methylphenyl)-1H-pyrazolo[3,4-d]pyrimidine-4-thiol (CAS 1082437-03-3)
- 2-Chloro-3-(4-(methylsulfonyl)piperazin-1-yl)pyrazine (CAS 1281400-85-8)
- 4-(Trifluoromethyl)quinoline-2,7-diol (CAS 73496-29-4)
- N-(4-amino-2-methoxyphenyl)-2-morpholinoacetamide (CAS 110506-39-3)
- N-(Pyridin-2-ylmethylene)quinolin-3-amine (CAS 16722-41-1)
- Methyl 2-(3-(2-bromophenyl)-1H-1,2,4-triazol-1-yl)acetate (CAS 1416344-31-4)
- Indobufen Impurity 93 (CAS CATO-C4X-179293)
- tert-Butyl N-(4,4-dimethylpyrrolidin-3-yl)carbamate (CAS 145724-15-8)
- 58735-82-3 Ethyl acetate-2-13C DTXSID20446289 (CAS 58735-82-3)
- 3-Bromo-6-(difluoromethoxy)-2-(trifluoromethyl)pyridine (CAS 1214332-89-4)
- Cenobamate S isomer (CAS CATO-C4X-24161)
- Peptide Impurity 34 (CAS 21282-09-7)
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