Methyl 5-chloro-7-(trifluoromethyl)thieno[3,2-b]pyridine-3-carboxylate CAS 648859-81-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 648859-81-8 |
| Molecular Formula | C10H5ClF3NO2S |
| Molecular Weight | 295.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 5-chloro-7-(trifluoromethyl)thieno[3,2-b]pyridine-3-carboxylate (CAS 648859-81-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H5ClF3NO2S. Molecular weight: 295.67 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H5ClF3NO2S |
| Molecular Weight | 295.67 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- Methyl 4-chloro-2-(trifluoromethyl)thieno[3,4-b]pyridine-7-carboxylate (CAS 175203-40-4)
- 4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]sulfanyl}-4,5-dihydro-1H-pyrazol-5-one (CAS 338422-93-8)
- 5-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)thio)-1H-1,2,4-triazol-3-amine (CAS 250714-16-0)
- 5-[[3-Chloro-5-(trifluoromethyl)-2-pyridyl]-methyl]-1,3,4-oxadiazole-2-thiol (CAS 1987078-26-1)
- 3-((4-Chloro-3-nitro-1h-pyrazol-1-yl)methyl)benzohydrazide (CAS 1001757-43-2)
- Methyl 3-((4-chloro-3-nitro-1h-pyrazol-1-yl)methyl)benzoate (CAS 1002535-22-9)
- Ethyl 5-chloro-1-(4-nitrophenyl)-1H-pyrazole-4-carboxylate (CAS 110821-37-9)
- Ethyl 5-chloro-1-(2-nitrophenyl)-1H-pyrazole-4-carboxylate (CAS 121716-35-6)
Recommended Standards
- 3-(Trifluoromethyl)quinoline-7-sulfonyl chloride (CAS 1956332-63-0)
- Methyl 1-[(2-chlorophenyl)methyl]-4-nitro-1H-pyrazole-3-carboxylate (CAS 1281872-34-1)
- 2-Nitro-4-(trifluoromethyl)benzenesulfonyl chloride 2-nitro-4-(trifluoromethyl)benzenesulphonyl chloride 2-nitro-4-(trifluoromethyl)benzenesulfonylchloride 2-nitro-4(trifluoromethyl)benzene sulfonyl chloride 837-95-6 (CAS 837-95-6)
- (S)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-(3,4-difluorobenzyl)propanoic acid (CAS 1260591-35-2)
- 4-Amino-1,3-dimethylpyrazole Hydrochloride (CAS 1147222-02-3)
- 3-(1H-indazol-1-yl)pyridine-2-carboxylic acid (CAS 1522271-92-6)
- (3S,5S)-3-ethynyl-3-hydroxy-1,5-dimethyl-pyrrolidin-2-one (CAS 2561460-83-9)
- tert-Butyl 4-bromo-2-oxo-5,6-dihydropyridine-1(2H)-carboxylate (CAS 1016555-70-6)
- 2-(chloromethyl)-5-phenyl-1,3-oxazole (CAS 64640-13-7)
- Semaglutide Impurity 3 (CAS CATO-C4X-22263)
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