4-((4-Chloro-3-nitrophenyl)sulfonamido)-2-hydroxybenzoic acid CAS 328028-09-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 328028-09-7 |
| Molecular Formula | C13H9ClN2O7S |
| Molecular Weight | 372.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 4-((4-Chloro-3-nitrophenyl)sulfonamido)-2-hydroxybenzoic acid (CAS 328028-09-7) pharmaceutical standards reference standard. Molecular formula: C13H9ClN2O7S. Molecular weight: 372.74 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C13H9ClN2O7S |
| Molecular Weight | 372.74 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 5-(2-Chloro-5-nitrobenzenesulfonamido)-2-hydroxybenzoic acid (CAS 328028-30-4)
- 5-(4-Chloro-3-nitro-benzenesulfonylamino)-2-hydroxy-benzoic acid (CAS 325732-20-5)
- N-[[(5-Chloro-2-Hydroxyphenyl)-Phenylmethyl]Carbamoyl]-2,2,2-Trifluoroacetamide (CAS 160776-86-3)
- Methyl 2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]sulfonyl}-3-(dimethylamino)prop-2-enoate (CAS 1823194-70-2)
- (Z)-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]({[(pyridin-3-yl)methyl]amino})methylidene}amino acetate (CAS 320420-59-5)
- 2-((1-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-1H-indol-3-yl)methylene)malononitrile (CAS 338409-96-4)
- 2-{[2-Chloro-5-(trifluoromethyl)phenyl]amino}-2-oxoethyl 4-aminobenzoate (CAS 931259-26-6)
- 4-[5-({[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}methyl)-4,5-dihydro-1,2-oxazol-3-yl]pyrimidin-2-amine (CAS 344277-07-2)
Recommended Standards
- N-(benzo[d][1,3]dioxol-5-ylmethyl)-2-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)acetamide (CAS 478063-69-3)
- Nonamethylcyclopentasiloxan-2-ol DISCONTINUED (CAS 5290-04-0)
- 2-(4-Chlorophenoxy)-N'-[(1E)-[4-(trifluoromethoxy)phenyl]methylidene]acetohydrazide (CAS 868630-56-2)
- 2-Chloro-N-(3-(2-hydroxyphenyl)pentan-3-yl)acetamide (CAS 26786-46-9)
- (PAd-DalPhos)NiCl(otol) (CAS 1902911-45-8)
- 3-Aminopicolinic Acid (CAS 1462-86-8)
- Pyrimidin-2-yl(m-tolyl)methanamine (CAS 1182988-03-9)
- 2-(((1-Methyl-1H-imidazol-2-yl)thio)methyl)piperidine (CAS 1247894-10-5)
- 3-(Hexamethylenimin-1-yl)-4-methylsulfonylaniline (CAS 1000018-38-1)
- Semaglutide impurity 45 (CAS CATO-C4X-222645)
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