3-bromothieno[2,3-b]pyridine CAS 28988-21-8
| CAS No. | 28988-21-8 |
| Molecular Formula | C7H12BrNS |
| Molecular Weight | 222.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3-bromothieno[2,3-b]pyridine.
3-bromothieno[2,3-b]pyridine (CAS 28988-21-8) is a high-purity analytical reference standard with the molecular formula C7H12BrNS and a molecular weight of 222.15 g/mol.
Based on its molecular formula C7H12BrNS, 3-bromothieno[2,3-b]pyridine contains a nitrile group, sulfur-containing functionality, bromine substitution; these features give the compound characteristic molecular-ion distribution patterns in mass spectrometry. The molecular weight of 222.15 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 3-bromothieno[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 | C7H12BrNS |
| Molecular Weight | 222.15 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.) | 1965 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related bromothieno Standards
- 7-bromothieno[3,2-c]pyridine (CAS 1535297-40-5)
- 2-bromothieno[3,2-b]pyridine (CAS 94191-15-8)
- 3-bromothieno[2,3-c]pyridine (CAS 28783-17-7)
- 3-bromothieno[3,2-b]pyridine (CAS 94191-12-5)
- 3-bromothieno[3,2-c]pyridine (CAS 28783-18-8)
- 5-bromothieno[2,3-b]pyridine (CAS 21344-24-1)
- 4-bromothieno[2,3-d]pyrimidine (CAS 14080-60-5)
- 4-bromothieno[3,2-d]pyrimidine (CAS 16285-70-4)
Recommended Standards
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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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