3-Amino-5-bromobenzenesulfonic acid CAS 1375474-43-3
| CAS No. | 1375474-43-3 |
| Molecular Formula | C6H6BrNO3S |
| Molecular Weight | 252.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 252.09 g/mol gives 3-Amino-5-bromobenzenesulfonic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 3-Amino-5-bromobenzenesulfonic acid (CAS 1375474-43-3), a certified reference material (molecular formula C6H6BrNO3S, MW 252.09 g/mol) for analytical method development and quality control.
Based on its molecular formula C6H6BrNO3S, 3-Amino-5-bromobenzenesulfonic acid 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 252.09 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
As a certified reference material (CRM), 3-Amino-5-bromobenzenesulfonic acid 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 | C6H6BrNO3S |
| Molecular Weight | 252.09 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, water |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Amino Standards
- 6-Amino-5-bromopyridine-3-sulfonamide (CAS 1023816-98-9)
- 4-Amino-5-bromopyridine-3-sulfonamide (CAS 1352483-46-5)
- 5-Amino-2-bromobenzenesulfonic acid (CAS 150454-14-1)
- 2-Amino-5-bromobenzenesulfonic acid (CAS 1576-59-6)
- 2-Amino-2-(2-amino-5-bromothiazol-4-yl)acetic acid (CAS 1779365-53-5)
- 2-Amino-4-bromopyridine-3-sulfonamide (CAS 2253632-68-5)
- 2-amino-5-bromopyridine-3-sulfonamide (CAS 869008-16-2)
- 2-Amino-6-bromopyridine-3-sulfonamide (CAS 2248391-42-4)
Recommended Standards
- 4-Fluoro-3-(hydroxymethyl)benzeneboronic acid pinacol ester, 97% (CAS 1352733-99-3)
- 5-Bromo-2-(methylsulfonyl)pyrimidin-4-amine (CAS 1379324-53-4)
- 5-Fluoro-2-methoxybenzeneboronic acid pinacol ester, 97% (CAS 1383806-53-8)
- (3-Fluoro-4-((4-methylpiperazin-1-yl)methyl)phenyl)boronic acid (CAS 1334401-01-2)
- 1-(2,6-Difluorophenyl)cyclobutanamine Hydrochloride (CAS 2031259-33-1)
- 1,2-Bis(dichlorophosphino)-1,2-dimethylhydrazine, min. 98% (CAS 37170-64-2)
- (2S,4R)-1,2-dimethylpiperidin-4-ol (CAS 18486-05-0)
- 3-(Tert-butyl)-2-hydroxy-5-methylbenzaldehyde (CAS 41715-31-5)
- 5-Hydroxy-4-phenyl-2,3-dihydro-1,2-oxazol-3-one (CAS 36190-14-4)
- 3,3'-Dioctyl-2,2'-bithiophene (CAS 138058-53-4)
- 4-n-Butylphenyl isothiocyanate (CAS 23165-44-8)
- 2-Cyclopropyl-2-(1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)ethanamine (CAS 1408279-14-0)
- 1-(Thiazol-4-ylmethyl)cyclopropane-1-carboxylic acid (CAS 1489314-84-2)
- Liraglutide(3-31)TFA Salt (CAS CATO-C4X-19921)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com