3-bromo-5-(chlorosulfonyl)-2-methylbenzoic acid CAS 1375473-88-3
| CAS No. | 1375473-88-3 |
| Molecular Formula | C8H6BrClO4S |
| Molecular Weight | 313.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 313.55 g/mol gives 3-bromo-5-(chlorosulfonyl)-2-methylbenzoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-bromo-5-(chlorosulfonyl)-2-methylbenzoic acid (CAS 1375473-88-3), molecular formula C8H6BrClO4S and molecular weight 313.55 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine/bromine substitution, an aromatic ring system, 3-bromo-5-(chlorosulfonyl)-2-methylbenzoic acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 313.55 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 3-bromo-5-(chlorosulfonyl)-2-methylbenzoic acid 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 | C8H6BrClO4S |
| Molecular Weight | 313.55 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl/Br-containing |
| Sulfur Atoms | 1 |
Related bromo Standards
- Methyl 3-bromo-4-(chlorosulfonyl)benzoate (CAS 1354953-47-1)
- methyl 4-bromo-2-(chlorosulfonyl)benzoate (CAS 1374249-95-2)
- 5-Bromo-3-(chlorosulfonyl)-2-methylbenzoic acid (CAS 1375473-02-1)
- 3-Bromo-5-(chlorosulfonyl)-4-methylbenzoic acid (CAS 1394042-66-0)
- (3-Bromo-2-fluorophenyl)(2-chlorophenyl)methanone (CAS 1428881-64-4)
- Methyl 4-bromo-3-(chlorosulfonyl)benzoate (CAS 168969-13-9)
- methyl 2-bromo-3-(chlorosulfonyl)benzoate (CAS 1692461-78-1)
- 2-Bromo-3-chloro-4-fluorobenzophenone (CAS 951890-07-6)
Recommended Standards
- 1-(4-Bromo-2,6-difluorophenyl)-3-(2-chloroethyl)urea (CAS 1427460-69-2)
- 1,1,2,2,2-pentadeuterioethyl (9Z,12Z)-octadeca-9,12-dienoate (CAS 1331665-14-5)
- (6-Bromobenzo[d][1,3]dioxol-5-yl)methanesulfonyl chloride (CAS 1824092-42-3)
- 7-Bromo-2-chloro-3-(2-nitrovinyl)quinoline (CAS 1031929-36-8)
- 1-Benzyl-2-methyl-1H-pyrrole-3-carboxylic acid (CAS 92028-89-2)
- 3,5-Dimethyl-4-propoxybenzaldehyde (CAS 210057-00-4)
- (Octahydro-1H-4,7-methanoinden-2-yl)methanol (CAS 64644-36-6)
- 5-Bromo-3-(4-fluorophenyl)-1H-pyrazolo[3,4-c]pyridazine (CAS 1447607-98-8)
- tert-Butyl cyclopropyl(5-(1-methylpyrrolidin-2-yl)pyridin-2-yl)carbamate (CAS 1352490-44-8)
- 5-Bromo-n1-(2-methoxyethyl)benzene-1,2-diamine (CAS 1162697-07-5)
- tert-Butyl 3-(chloromethyl)indoline-1-carboxylate (CAS 454674-65-8)
- 4-Bromo-5-(trifluoromethyl)thiazol-2-amine (CAS 1453170-58-5)
- Ethyl 2-amino-3-(4-bromophenyl)propanoate hydrochloride (CAS 100129-11-1)
- Boc-Cholecystokinin Octapeptide (desulfated) (A-1295.0001) (CAS 25687-34-7)
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