2-Methyl-5-nitrobenzo[d]isothiazol-3(2h)-one 1,1-dioxide CAS 90196-49-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 90196-49-9 |
| Molecular Formula | C8H6N2O5S |
| Molecular Weight | 242.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-Methyl-5-nitrobenzo[d]isothiazol-3(2h)-one 1,1-dioxide (CAS 90196-49-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C8H6N2O5S. Molecular weight: 242.21 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C8H6N2O5S |
| Molecular Weight | 242.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Methyl Standards
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Recommended Standards
- 2-Hydroxy-5,5-dimethyl-4-phenyl-1,3,2-dioxaphosphinane 2-oxide (CAS 98634-22-1)
- 3-Oxo-3,4-dihydro-2H-1,2,4-benzothiadiazine-7-carboxylic acid 1,1-dioxide (CAS 201224-76-2)
- 2,4-Dioxo-1,2,3,4-tetrahydroquinazoline-6-sulfonic acid (CAS 78278-04-3)
- 2-(4-(Methoxymethyl)phenyl)azetidine (CAS 1477772-49-8)
- 6-Bromo-2-(pyrrolidin-1-yl)benzo[d]thiazole (CAS 863001-18-7)
- 4-Chloro-2-(pyrrolidin-1-yl)pyridine (CAS 1209459-01-7)
- (4-Chloro-3-(2-methylpiperidine-1-carbonyl)phenyl)boronic acid (CAS 1449132-33-5)
- Tert-butyl (3S,4R)-4-hydroxy-3-methoxypiperidine-1-carboxylate (CAS 178759-93-8)
- 4-Bromo-2-(2-methoxyethoxy)toluene (CAS 1291487-18-7)
- Semaglutide impurity 61 (CAS CATO-C4X-222661)
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