5-Amino-2-chlorotoluene-4-sulfonic Acid CAS 88-53-9
Purity >95%In StockPharmaceutical Standards
| CAS No. | 88-53-9 |
| Molecular Formula | C7H8ClNO3S |
| Molecular Weight | 221.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-Amino-2-chlorotoluene-4-sulfonic Acid (CAS 88-53-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H8ClNO3S. Molecular weight: 221.66 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C7H8ClNO3S |
| Molecular Weight | 221.66 g/mol |
| Purity | >95% |
| 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.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Amino Standards
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- 2-Amino-3-chloro-5-fluorobiphenyl (CAS 1449008-12-1)
- 2-Amino-3-(4-chlorothiophen-2-yl)-3-hydroxypropanoic acid (CAS 1508860-33-0)
- 2-Amino-3-(5-chlorothiophen-2-yl)-3-hydroxypropanoic acid (CAS 68056-34-8)
- 3-amino-5-chloro-4-methylbenzenesulfonic acid (CAS 6387-27-5)
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- 6-amino-5-chlorotoluene-3-sulphonic acid (CAS 6387-14-0)
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Recommended Standards
- 4-Amino-2-chlorotoluene-5-sulfonic Acid (CAS 88-51-7)
- 3-(5-Chloro-[1,2,4]thiadiazol-3-yl)-benzonitrile (CAS 1053659-14-5)
- Diazoxide Impurity 19 (CAS CATO-C4X-195219)
- 1,4-Dioxa-8-azaspiro[4.5]Decane-8-sulfonyl chloride (CAS 765962-66-1)
- 4-Amino-2-(3-chlorophenyl)butan-2-ol (CAS 1114064-27-5)
- (Z)-[2-(Benzenesulfonyl)-1-[2-(4-chlorophenyl)-4-methyl-1,3-thiazol-5-yl]ethylidene][(4-fluorophenyl)methoxy]amine (CAS 672950-32-2)
- 5-fluoro-2-nitrophenyl 3-methylbenzoate (CAS 219688-25-2)
- 2-Propenoic acid, polymer with butyl 2-propenoate and 2-ethylhexyl 2-propenoate (CAS 26710-97-4)
- (3-Bromophenyl)(ethyl)(imino)-l6-sulfanone (CAS 2060050-99-7)
- Semaglutide impurity 65 (CAS CATO-C4X-222665)
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 13829788188 / jacky.chen@cato-chem.com