3-bromo-4-chlorothieno[2,3-b]pyridine CAS 2168772-59-4
| CAS No. | 2168772-59-4 |
| Molecular Formula | C7H11BrClNS |
| Molecular Weight | 256.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 3-bromo-4-chlorothieno[2,3-b]pyridine (C7H11BrClNS) contains a nitrile group, sulfur-containing functionality, chlorine/bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 256.59 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies 3-bromo-4-chlorothieno[2,3-b]pyridine (CAS 2168772-59-4), a certified reference material (molecular formula C7H11BrClNS, MW 256.59 g/mol) for analytical method development and quality control.
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 3-bromo-4-chlorothieno[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 | C7H11BrClNS |
| Molecular Weight | 256.59 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.) | 1998 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related bromo Standards
- 3-bromo-7-chlorothieno[2,3-c]pyridine (CAS 1315360-86-1)
- 3-bromo-5-chlorothieno[2,3-c]pyridine (CAS 1326715-11-0)
- 3-bromo-7-chloro-thieno[3,2-b]pyridine (CAS 1334645-51-0)
- 4-bromo-7-chlorothieno[2,3-c]pyridine (CAS 1803571-85-8)
- 2-bromo-5-chloro-1,3-benzothiazole (CAS 2941-56-2)
- 2-bromo-6-chlorothieno[2,3-b]pyridine (CAS 68236-35-1)
- 2-bromo-7-chlorothieno[3,2-b]pyridine (CAS 225385-05-7)
- 3-bromo-4-chlorothieno[3,2-c]pyridine (CAS 29064-82-2)
Recommended Standards
- 7-bromo-4-chlorothieno[3,2-c]pyridine (CAS 29064-76-4)
- 2-Methyl-4,7,8-trichloroquinoline (CAS 108097-02-5)
- 2-Methyl-4,6,8-trichloroquinoline (CAS 1204-14-4)
- 3-Chloromethyl-2,7-dichloroquinoline (CAS 137776-95-5)
- 2-amino-1-[4-(hydroxymethyl)piperidin-1-yl]-4-methylpentan-1-one (CAS 1218123-62-6)
- 5-(2,5-Dichlorophenyl)pyrimidine-2,4-diol (CAS 1261923-61-8)
- 1,4-Di(1H-imidazol-1-yl)benzene (CAS 25372-07-0)
- Desdiacetyl Bisacodyl-d13 (CAS 1285920-49-1)
- (2-Nitro-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazin-7-yl)methanol (CAS 1263188-40-4)
- Tucatinib Impurity 38 (CAS CATO-C4X-260538)
- 2-((2,5-Dimethyltetrahydrofuran-2-yl)thio)-5-methylfuran (CAS 62308-57-0)
- 3-Fluoro-4-methyl-5,6,7,8-tetrahydronaphthalen-1-amine (CAS 210346-65-9)
- 1-{2-[5,7-bis(trifluoromethyl)pyrazolo[1,5-a]pyrimidin-2-yl]thiophen-3-yl}-1H-pyrrole (CAS 439109-45-2)
- Semaglutide Impurity 124 (CAS CATO-C4X-2226124)
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 18665070610 / Nicole.chen@cato-chem.com