5-bromo-1,3-dihydrobenzo[c]isothiazole 2,2-dioxide CAS 111248-92-1
| CAS No. | 111248-92-1 |
| Molecular Formula | C7H6BrNO2S |
| Molecular Weight | 248.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5-bromo-1,3-dihydrobenzo[c]isothiazole 2,2-dioxide.
5-bromo-1,3-dihydrobenzo[c]isothiazole 2,2-dioxide (CAS 111248-92-1), molecular formula C7H6BrNO2S and molecular weight 248.10 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H6BrNO2S, 5-bromo-1,3-dihydrobenzo[c]isothiazole 2,2-dioxide contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 248.10 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5-bromo-1,3-dihydrobenzo[c]isothiazole 2,2-dioxide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H6BrNO2S |
| Molecular Weight | 248.10 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; 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.) | 1988 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related bromo Standards
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Recommended Standards
- Paliperidone Impurity 156 (CAS 3109322-10-0)
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- 2-(4-Fluorostyryl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1332499-06-5)
- 3-Methyl-1-(pyridin-4-yl)-4,5-dihydro-1H-pyrazol-5-one (CAS 111988-01-3)
- 6-Methyl-2-(3,4,5-triethoxybenzamido)-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxamide hydrochloride (CAS 1216824-77-9)
- 2-Bromo-4-fluoro-1,3-dimethylbenzene (CAS 26829-82-3)
- 2,2,5-Trimethylpiperazine dihydrochloride (CAS 308110-40-9)
- N-(tert-Butyl)-2-(methylamino)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3-sulfonamide (CAS 1416336-55-4)
- Methyl 3-[(6-chloropyridin-2-yl)oxy]benzoate (CAS 866150-88-1)
- 6-Bromo-3,5-dichloro-8-methoxyimidazo[1,2-a]pyridine (CAS 2791313-94-3)
- Agomelatine Impurity 20 (CAS 178677-39-9)
- 4-Chloro-3,5-difluoro-2-methylaniline (CAS 2763538-44-7)
- (Glu9)-Exenatide (2-39) trifluoroacetate salt (CAS 196109-34-9)
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