4,5-Dimethoxybenzo[b]thiophene CAS 103204-79-1
| CAS No. | 103204-79-1 |
| Molecular Formula | C10H10O2S |
| Molecular Weight | 194.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,5-Dimethoxybenzo[b]thiophene (CAS 103204-79-1), molecular formula C10H10O2S and molecular weight 194.25 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4,5-Dimethoxybenzo[b]thiophene (C10H10O2S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 194.25 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 4,5-Dimethoxybenzo[b]thiophene under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C10H10O2S |
| Molecular Weight | 194.25 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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.) | 1986 |
| Sulfur Atoms | 1 |
Related Dimethoxybenzo Standards
- 5,6-Dimethoxybenzo[b]thiophene (CAS 91715-47-8)
- 4,7-Dimethoxybenzo[c][1,2,5]thiadiazole (CAS 75103-55-8)
- 4,6-Dimethoxybenzo[d][1,3]dioxole (CAS 68803-49-6)
- 4,7-Dimethoxybenzo[d][1,3]dioxole (CAS 23731-75-1)
- 5,6-Dimethoxybenzo[d][1,3]dioxole (CAS 3214-12-8)
- 2,5-Dimethoxybenzo[d]oxazole (CAS 103440-82-0)
- 2,7-Dimethoxybenzo[d]oxazole (CAS 103440-84-2)
- 2,4-Dimethoxybenzo[d]oxazole (CAS 103441-78-7)
Recommended Standards
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- BDD610-2Br (CAS 2093197-87-4)
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- 3-(2-Methoxyphenyl)-N-(4-methylphenyl)-2-(2H-1,2,3,4-tetrazol-5-yl)propanamide (CAS 483993-60-8)
- Diethyl Isobutylmalonate (CAS 10203-58-4)
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- [D-His]-Semaglutide B (x TFA Salt) (CAS CATO-C4X-2226117)
Why CATO?
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