3-Bromo-7-chloro-2-iodothieno[3,2-b]pyridine CAS 2573799-35-4
| CAS No. | 2573799-35-4 |
| Molecular Formula | C7H2BrClINS |
| Molecular Weight | 374.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
3-Bromo-7-chloro-2-iodothieno[3,2-b]pyridine (CAS 2573799-35-4), molecular formula C7H2BrClINS and molecular weight 374.42 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrile group, sulfur-containing functionality, chlorine/bromine/iodine substitution, an aromatic ring system, 3-Bromo-7-chloro-2-iodothieno[3,2-b]pyridine is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 374.42 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures 3-Bromo-7-chloro-2-iodothieno[3,2-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 | C7H2BrClINS |
| Molecular Weight | 374.42 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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.) | 2001 |
| Halogen Content | Cl/Br/I-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 5-bromo-N,2-dimethyl-N-[(3-methylphenyl)methyl]thiophene-3-sulfonamide (CAS 1507874-15-8)
- 2-Bromo-N-butyl-N-(1,1-dioxidotetrahydrothiophen-3-yl)benzamide (CAS 898413-57-5)
- 4-Bromo-N-butyl-N-(1,1-dioxidotetrahydrothiophen-3-yl)benzamide (CAS 874787-66-3)
- 4-Bromo-N,N-diphenylnaphthalen-1-amine (CAS 227314-47-8)
- 5-(3-Bromo-4-ethoxy-5-methoxybenzylidene)-2-mercaptothiazol-4(5H)-one (CAS 359609-32-8)
- 5-(5-Bromo-2-hydroxy-3-methoxybenzylidene)-3-ethyl-2-thioxothiazolidin-4-one (CAS 359899-47-1)
- 5-Bromo-1-butyl-3-hydroxy-3-(p-tolyl)indolin-2-one (CAS 866008-00-6)
- 5-Bromo-N,N-diphenylnaphthalen-1-amine (CAS 227314-48-9)
Recommended Standards
- (2R,3R,4S,5S)-2-(6-Amino-9H-purin-9-yl)-5-(((4-aminophenyl)thio)methyl)tetrahydrofuran-3,4-diol (CAS 86072-46-0)
- 9-(6-(Methylsulfonyl)pyridin-3-yl)-6-(piperidin-4-yloxy)-9H-purine (CAS 832717-12-1)
- (2R,3R,4S,5S)-2-(6-Amino-9H-purin-9-yl)-5-(((3-aminophenyl)thio)methyl)tetrahydrofuran-3,4-diol (CAS 86072-47-1)
- N-(4-(Benzo[d]thiazol-2-yl)-3-methoxyphenyl)-9H-purin-6-amine (CAS 920519-76-2)
- N-(5-Bromo-3-chloropyridin-2-yl)acetamide (CAS 1260892-00-9)
- AZD9056 (CAS 345304-65-6)
- 3-((2-Chlorobenzyl)oxy)-4,4-dimethyl-4,5-dihydroisoxazole (CAS 112960-60-8)
- 2-Amino-3-(4-bromo-3-hydroxyisoxazol-5-yl)propanoic acid (CAS 77006-30-5)
- Ethyl (3r,4r)-4-methylpyrrolidine-3-carboxylate (CAS 1217847-55-6)
- 1-(5-Methyl-2-(pyridin-4-yl)oxazol-4-yl)ethanone (CAS 674785-91-2)
- 3-Hydroxy-2-(1-((4-(trifluoromethyl)phenyl)imino)ethyl)-1H-inden-1-one (CAS 1024427-39-1)
- Ethyl 3-{[3-cyano-4-(trifluoromethyl)-5H,6H,7H,8H,9H-cyclohepta[b]pyridin-2-yl]sulfanyl}propanoate (CAS 626227-56-3)
- Methyl (R)-5-hydroxyhexanoate (CAS 244006-10-8)
- Semaglutide impurity 210 (CAS CATO-C4X-2226210)
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