N-(3-Bromophenyl)-3-nitrobenzenesulfonamide CAS 18999-21-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 18999-21-8 |
| Molecular Formula | C12H9BrN2O4S |
| Molecular Weight | 357.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
N-(3-Bromophenyl)-3-nitrobenzenesulfonamide (CAS 18999-21-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H9BrN2O4S. Molecular weight: 357.18 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H9BrN2O4S |
| Molecular Weight | 357.18 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related N Standards
- (3-Bromophenyl)diphenylphosphine oxide (CAS 10212-04-1)
- N-(2-Bromophenyl)-2-nitrobenzenesulfonamide (CAS 10398-64-8)
- N-(4-Bromophenyl)-2-nitrobenzenesulfonamide (CAS 159048-82-5)
- N-(4-Bromophenyl)-4-nitrobenzenesulfonamide (CAS 16937-01-2)
- (4-Bromophenyl)diphenylphosphine Oxide (CAS 5525-40-6)
- N-(3-Bromophenyl)-2-nitrobenzenesulfonamide (CAS 62533-24-8)
- 3-(3-Bromophenyl)-1-(2-(trifluoromethyl)phenyl)propan-1-one (CAS 898760-51-5)
- 3-(3-Bromophenyl)-1-(3-(trifluoromethyl)phenyl)propan-1-one (CAS 898760-54-8)
Recommended Standards
- 4-Bromo-N-(4-nitrophenyl)benzenesulfonamide (CAS 17648-92-9)
- 2-Fluoro-5-(phenoxycarbonylamino)benzeneboronic acid pinacol ester, 97% (CAS 2096333-70-7)
- 3-(Heptafluoropropyl)-4-nitro-5-phenylpyrazole (CAS 244187-06-2)
- (2S,3S,4R,5R,6S)-3-fluoro-6-methyltetrahydro-2H-pyran-2,4,5-triyl triacetate (CAS 74554-12-4)
- 4-Hydroxy-6-propyl-pyran-2-one (CAS 18742-94-4)
- Pretomanid Impurity 26 (CAS 1131005-00-9)
- 6-Methylbenzo[d]oxazole-2-carbonitrile (CAS 137426-78-9)
- 1-(4-Fluorophenyl)pentan-1-amine hydrochloride (CAS 3823-27-6)
- 2-(2-Chloro-4-fluorophenyl)ethanol (CAS 214262-87-0)
- Insulin Glargine (CAS 160337-95-1)
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