4,6-dichloro-2-methyl-thieno[2,3-b]pyridine CAS 104515-21-1
| CAS No. | 104515-21-1 |
| Molecular Formula | C8H13Cl2NS |
| Molecular Weight | 226.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4,6-dichloro-2-methyl-thieno[2,3-b]pyridine (CAS 104515-21-1), a certified reference material (molecular formula C8H13Cl2NS, MW 226.17 g/mol) for analytical method development and quality control.
Based on its molecular formula C8H13Cl2NS, 4,6-dichloro-2-methyl-thieno[2,3-b]pyridine contains a nitrile group, sulfur-containing functionality, chlorine substitution; these features give the compound characteristic molecular-ion distribution patterns in mass spectrometry. The molecular weight of 226.17 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 4,6-dichloro-2-methyl-thieno[2,3-b]pyridine 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 | C8H13Cl2NS |
| Molecular Weight | 226.17 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- tert-Butyl (1-(o-tolyl)ethyl)carbamate (CAS 1484479-17-5)
- (Z)-2-((3E,5Z)-2-Allylhepta-3,5-dien-1-ylidene)-1,1-dimethylhydrazine (CAS 120696-89-1)
- (S)-1-Cyclohexyl-2-methyl-piperazine dihydrochloride (CAS 1134681-40-5)
- 3-[(2-PHenylquinolin-4-yl)carbonyl]-1-vinylpyrrolidin-2-one (CAS 910442-92-1)
- 3-(Piperidin-4-yl)-1,2-dihydroisoquinolin-1-one (CAS 769114-73-0)
- 2-Phenylcyclohexanecarboxaldehyde (CAS 14441-56-6)
- Tau Peptide (277-291) trifluoroacetate salt (CAS 330456-40-1)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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