2-Bromo-3-methylthieno[3,2-c]pyridin-4(5H)-one CAS 690635-73-5
| CAS No. | 690635-73-5 |
| Molecular Formula | C8H6BrNOS |
| Molecular Weight | 244.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2-Bromo-3-methylthieno[3,2-c]pyridin-4(5H)-one (C8H6BrNOS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 244.11 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.
2-Bromo-3-methylthieno[3,2-c]pyridin-4(5H)-one (CAS 690635-73-5) is a high-purity analytical reference standard with the molecular formula C8H6BrNOS and a molecular weight of 244.11 g/mol.
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C8H6BrNOS |
| Molecular Weight | 244.11 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, water (slightly soluble) |
| 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.) | 1985 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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- (R)-5-bromo-2-(pyrrolidin-3-yloxy)pyridine hydrochloride (CAS 1417789-14-0)
- 5-(2-(4-Chlorophenyl)-2-oxoethylidene)-2-imino-3-(o-tolyl)oxazolidin-4-one (CAS 122975-87-5)
- rel-(1R,2R)-2-((tert-Butyldiphenylsilyl)oxy)-4-methylcyclopentane-1-carboxylic acid (CAS 2413487-56-4)
- n-(4-Methylpiperidin-4-yl)acetamide (CAS 163271-04-3)
- Tirzepatide Impurity 34 (CAS CATO-C4X-324034)
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