2-Chloro-5-nitrobenzenesulfonyl Chloride CAS 4533-95-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4533-95-3 |
| Molecular Formula | C6H3Cl2NO4S |
| Molecular Weight | 256.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-Chloro-5-nitrobenzenesulfonyl Chloride (CAS 4533-95-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C6H3Cl2NO4S. Molecular weight: 256.06 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C6H3Cl2NO4S |
| Molecular Weight | 256.06 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 2-Chloro-3-nitrobenzenesulfonyl chloride (CAS 15945-25-2)
- 2-Chloro-6-nitrobenzene-1-sulfonyl chloride (CAS 17970-75-1)
- 2-Chloro-4-nitrobenzenesulfonyl Chloride (CAS 20201-03-0)
- 2-Chloro-5-(chlorosulfonyl)nicotinic acid (CAS 476156-65-7)
- 3-Chloro-2-nitrobenzenesulfonyl chloride (CAS 78846-40-9)
- 3-Chloro-4-nitrobenzenesulfonyl Chloride (CAS 64835-30-9)
- 3-Chloro-5-nitrobenzenesulfonyl chloride (CAS 953891-33-3)
- 4-Chloro-3-nitrobenzenesulfonyl Chloride (CAS 97-08-5)
Recommended Standards
- 3,4-Dimethoxy-2-((methoxymethoxy)methylbenzeneboronic acid, 97% (CAS 220956-32-1)
- 3-Amino-5-(phenylcarbamoyl)phenylboronic acid (CAS 2096332-13-5)
- 2-Bromo-4-methylimidazo[1,5-a]pyrimidine-8-carboxylic acid (CAS 2306270-45-9)
- Ethyl 3-(tetrahydrofuran-3-yl)-3-oxopropanoate (CAS 324570-25-4)
- (3-Fluoro-4-methoxyphenyl)(pyridin-2-yl)methanone (CAS 1261468-94-3)
- 9,9-Dimethyl-N3,N6-di(naphthalen-1-yl)-N3,N6-diphenyl-9H-fluorene-3,6-diamine (CAS 1229226-27-0)
- 2-((1S,2S,5S)-6,6-Dimethylbicyclo[3.1.1]heptan-2-yl)acetic acid (CAS 1309196-00-6)
- 2-((3-Chlorobenzyl)amino)-1-(4-chlorophenyl)-1-phenylethan-1-ol hydrochloride (CAS 1030603-73-6)
- 2-Mercapto-1H-indol-3-ol (CAS 856120-92-8)
- Liraglutide Impurity 17 TFA Salt (CAS CATO-C4X-199217)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com