3-Methylthieno[2,3-c]isothiazole-5-carboxylic acid CAS 82000-58-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 82000-58-6 |
| Molecular Formula | C7H5NO2S2 |
| Molecular Weight | 199.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-Methylthieno[2,3-c]isothiazole-5-carboxylic acid (CAS 82000-58-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H5NO2S2. Molecular weight: 199.25 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C7H5NO2S2 |
| Molecular Weight | 199.25 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Methylthieno Standards
- 5-methylthieno[2,3-c]isoquinoline (CAS 1558046-65-3)
- 5-methylthieno[3,2-c]isoquinoline (CAS 894102-32-0)
- 3-Methylthieno[3,2-b]thiophene-2-carboxylic acid (CAS 1901-41-3)
- 5-Methylthieno[3,2-b]thiophene-2-carboxylic acid (CAS 70060-21-8)
- 6-methylthieno[2,3-b]pyridine-2-carboxylic acid (CAS 193400-55-4)
- 5-methylthieno[2,3-b]pyridine-2-carboxylic acid (CAS 193400-56-5)
- 3-methylthieno[2,3-c]pyridine-7-carboxylic acid (CAS 2306272-59-1)
- 5-methylthieno[2,3-d]pyrimidine-4-carboxylic acid (CAS 1215494-47-5)
Recommended Standards
- 3-Methyl-2-Phenoxyaniline (CAS 60287-68-5)
- 3-Oxo-1-phenylcyclohexanecarbonitrile (CAS 57352-25-7)
- 3-Methyl-1,2,3,4-tetrahydrocyclopenta[b]indole-5-carbaldehyde (CAS 420802-67-1)
- b-Hydrocodol (CAS 795-38-0)
- 2-Chloro-6-fluoro-3-methylimidazo[1,2-a]pyridine (CAS 1428521-71-4)
- Poly(4-styrenesulfonic acid) lithium salt (CAS 9016-91-5)
- 1'-Acetyl-6-bromospiro[indoline-3,4'-piperidin]-2-one (CAS 1160248-50-9)
- Morphinan (CAS 468-10-0)
- N-(4-cyanophenyl)-4-(pyridin-2-yl)piperazine-1-carbothioamide (CAS 497060-96-5)
- Insulin Degludec Impurity 15 (CAS CATO-C4X-215715)
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