4,6-Dimethylthieno[2,3-b]pyridine-2-carboxylic acid CAS 885461-14-3
| CAS No. | 885461-14-3 |
| Molecular Formula | C10H9NO2S |
| Molecular Weight | 207.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4,6-Dimethylthieno[2,3-b]pyridine-2-carboxylic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
CATO supplies 4,6-Dimethylthieno[2,3-b]pyridine-2-carboxylic acid (CAS 885461-14-3), a certified reference material (molecular formula C10H9NO2S, MW 207.25 g/mol) for analytical method development and quality control.
4,6-Dimethylthieno[2,3-b]pyridine-2-carboxylic acid (C10H9NO2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
Physical & Chemical Properties
| Molecular Formula | C10H9NO2S |
| Molecular Weight | 207.25 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Dimethylthieno Standards
- 3,4-Dimethylthieno[2,3-b]pyridine-2-carboxylic acid (CAS 1050884-45-1)
- 2-Ethyl-5,6-dimethylthieno[2,3-d]pyrimidin-4-ol (CAS 433716-50-8)
- 3,6-Dimethylthieno[3,2-b]thiophene-2,5-dione (CAS 64942-17-2)
- 3,4-Dimethylthieno[2,3-b]thiophene-2-carboxaldehyde (CAS 159709-36-1)
- 5,6-Dimethylthieno[2,3-d]pyrimidine-4-thiol (CAS 307512-33-0)
- 5,6-Dimethylthieno[2,3-d]pyrimidine-2,4(1H,3H)-dione (CAS 35970-82-2)
- 3,4-Dimethylthieno[2,3-b]thiophene-2,5-dicarbonitrile (CAS 152487-70-2)
- Methyl 2,4-dimethylthieno[3,4-b]pyridine-7-carboxylate (CAS 74695-25-3)
Recommended Standards
- 4,4-Dimethyl-2-oxo-6-sulfanyl-1,2,3,4-tetrahydropyridine-3,5-dicarbonitrile (CAS 201733-68-8)
- 4-acetylpiperazine-1-sulfonamide (CAS 5906-31-0)
- 4-(4-Methoxyphenyl)-1,3-thiazol-2-ol (CAS 2104-03-2)
- 4-Methyl-3-(1H-pyrrol-1-yl)thiophene-2-carboxylic acid (CAS 866157-41-7)
- 2-{[(3-fluorophenyl)methyl]sulfanyl}-6-methyl-3,4-dihydropyrimidin-4-one (CAS 551931-21-6)
- 3-Chloro-2-{[7-(furan-2-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl]sulfanyl}-5-(trifluoromethyl)pyridine (CAS 303150-41-6)
- (R)-3-Hydroxy-2,3-dihydro-1H-inden-5-yl ethyl(methyl)carbamate (CAS 909293-94-3)
- 3-[(2-aminoethyl)amino]-3-carbamoylpropanoic acid (CAS 785730-69-0)
- (E)-N-(2,5-dichlorophenyl)-3-(furan-2-yl)acrylamide (CAS 424814-07-3)
- Amlodipine N-Lactoside (CAS 749864-27-5)
- (2R,4S)-6-Fluoro-2-methylspiro[chroman-4,4'-imidazolidine]-2',5'-dione (CAS 102916-95-0)
- 3-(Methylsulfonyl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 1206641-26-0)
- 5-methoxy-4-methylpyridine-3-carboxylic acid hydrochloride (CAS 2059944-48-6)
- Endo-Gly29-Tirzepatide (CAS CATO-CPTD788685)
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