Benzo[4,5]thieno[2,3-d]isothiazol-3(2h)-one 1,1-dioxide CAS 1334629-86-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1334629-86-5 |
| Molecular Formula | C9H5NO3S2 |
| Molecular Weight | 239.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Benzo[4,5]thieno[2,3-d]isothiazol-3(2h)-one 1,1-dioxide (CAS 1334629-86-5) pharmaceutical standards reference standard. Molecular formula: C9H5NO3S2. Molecular weight: 239.27 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C9H5NO3S2 |
| Molecular Weight | 239.27 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Benzo Standards
- 2-(Benzo[d][1,3]dioxol-5-yloxy)-N-(2-methoxyethyl)ethan-1-amine (CAS 1225554-88-0)
- 2-((1H-benzo[d][1,2,3]triazol-1-yl)methyl)-6-methylphenol (CAS 132980-33-7)
- 2-((1H-Benzo[d][1,2,3]triazol-1-yl)methyl)-4-methylphenol (CAS 132980-34-8)
- 3-(Benzo[d]thiazol-2-yl)benzaldehyde (CAS 127868-63-7)
- 2-(Benzo[d]thiazol-2-yl)benzaldehyde (CAS 223576-00-9)
- 4-(Benzo[d]thiazol-2-yl)benzaldehyde (CAS 2182-80-1)
- 3-(Benzo[d]thiazol-2-ylthio)propanoic acid (CAS 4767-00-4)
- Methyl 2-(benzo[d]thiazol-2-ylthio)acetate (CAS 24044-87-9)
Recommended Standards
- 3-(Furan-2-yl)-N-(2-hydroxy-3-methoxy-2-methylpropyl)acrylamide (CAS 1334377-28-4)
- 2-(4-ethylphenyl)pyrazolo[1,5-a]pyrazin-4(5H)-one (CAS 1338666-34-4)
- 4-(((4-Methoxypyrimidin-2-yl)amino)methyl)tetrahydro-2H-pyran-4-ol (CAS 1333903-56-2)
- 1-(2,5-dimethoxy-4-methylphenyl)-2-propanone Oxime (CAS 43021-99-4)
- Ethyl 2-((3-aminophenyl)thio)isonicotinate (CAS 1415719-48-0)
- 7-Fluorochromane-4-carboxylic acid (CAS 1202889-73-3)
- tert-butyl N-[2-(spiro[2.3]hexan-2-ylamino)cyclohexyl]carbamate (CAS 2297242-33-0)
- (R)-2-(1,3-dioxoisoindolin-2-yl)-3-methylbutanoic acid (CAS 6306-53-2)
- 1-(Cyclopropylmethyl)piperidine-4-carboxylic acid (CAS 193538-83-9)
- Valosin Peptide (VQY), porcine (CAS 99510-37-9)
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