5-Methylbenzo[b]thiophene 1,1-dioxide CAS 19156-71-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 19156-71-9 |
| Molecular Formula | C9H8O2S |
| Molecular Weight | 180.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Methylbenzo[b]thiophene 1,1-dioxide (CAS 19156-71-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C9H8O2S. Molecular weight: 180.22 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C9H8O2S |
| Molecular Weight | 180.22 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.) | 1962 |
| Sulfur Atoms | 1 |
Related Methylbenzo Standards
- 2-Methylbenzo[b]thiophene 1,1-dioxide (CAS 6224-55-1)
- 2-Ethyl-2-methylbenzo[d][1,3]dioxol-5-ol (CAS 74024-81-0)
- 2-Methylbenzo[d]thiazole-5,6-diamine (CAS 101258-09-7)
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Recommended Standards
- 2,3-Dihydro-1-benzothiophene-3-carboxylic acid (CAS 19156-56-0)
- ((1R,3S)-3-Hydroxycyclopentyl)methanesulfonic acid (CAS 64646-22-6)
- (1-(5-Fluoropyridin-2-yl)cyclobutyl)methanamine (CAS 1857841-31-6)
- 2,4-Dichloro-5-nitro-6-(trifluoromethyl)pyrimidine (CAS 715-42-4)
- 4-Chloro-N-((2,2-dimethyl-4,6-dioxo-1,3-dioxan-5-ylidene)methyl)benzamide (CAS 477885-69-1)
- 1,3-Dibromo-5,6,7,8-tetrahydroimidazo[1,5-a]pyridine (CAS 1780530-11-1)
- 4-((2-(Pyrrolidin-1-yl)ethoxy)methyl)piperidine dihydrochloride (CAS 1248509-76-3)
- 3-Bromo-5-ethynylbenzoic acid (CAS 1823360-76-4)
- Methyl 2-((6-methylimidazo[1,2-a]pyrazin-3-yl)amino)acetate (CAS 823806-72-0)
- Liraglutide Impurity 16 TFA Salt (CAS CATO-C4X-199216)
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