4,6-Dichloro-3-methylthieno[2,3-b]pyridine CAS 2137806-76-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2137806-76-7 |
| Molecular Formula | C8H5Cl2NS |
| Molecular Weight | 218.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,6-Dichloro-3-methylthieno[2,3-b]pyridine (CAS 2137806-76-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H5Cl2NS. Molecular weight: 218.10 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H5Cl2NS |
| Molecular Weight | 218.10 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, 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.) | 1997 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Dichloro Standards
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- 2,3-Dichloro-5-methylthieno[3,2-b]pyridine (CAS 170861-46-8)
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Recommended Standards
- 5,6,7,8-Tetrafluoro-2H-chromen-2-one (CAS 33739-04-7)
- 4,5,6,7-Tetrafluoro-1H-indene-1,3(2H)-dione (CAS 29045-72-5)
- 5,7-Dichloro-2-methylthieno[3,2-b]pyridine (CAS 952435-04-0)
- Cyclobutyl(2-fluorophenyl)methanamine hydrochloride (CAS 1864062-22-5)
- 3-Amino-N-(4-chlorobenzyl)propanamide (CAS 271591-63-0)
- 5-Fluoro-2-methoxypyridine-3-sulfonamide (CAS 2357016-44-3)
- 4-Allyl-2-chloro-1-ethoxybenzene (CAS 1378595-33-5)
- 2-(Benzo[d][1,3]dioxol-5-yloxy)nicotinic acid (CAS 214758-41-5)
- 2-(2-Ethylbutanamido)-5,6-dihydro-4h-cyclopenta[b]thiophene-3-carboxylic acid (CAS 757220-67-0)
- Semaglutide impurity 206 (CAS CATO-C4X-2226206)
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