4,5-Dimethylthiophene-2-carboxylic acid CAS 40808-24-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 40808-24-0 |
| Molecular Formula | C7H8O2S |
| Molecular Weight | 156.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,5-Dimethylthiophene-2-carboxylic acid (CAS 40808-24-0) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C7H8O2S. Molecular weight: 156.20 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C7H8O2S |
| Molecular Weight | 156.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Sulfur Atoms | 1 |
Related Dimethylthiophene Standards
- 4,5-Dimethylthiophene-3-carboxylic Acid (CAS 19156-52-6)
- 2,4-Dimethylthiophene-3-carboxylic acid (CAS 503308-96-1)
- 4,5-Dimethylthiophene-2-carboxamide (CAS 473693-83-3)
- N,3-dimethylthiophene-2-carboxamide (CAS 56776-68-2)
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- 3-Acetyl-2,5-dimethylthiophene (CAS 2530-10-1)
- 3,4-dimethylthiophene-2-carboxylic acid (CAS 89639-74-7)
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Recommended Standards
- 4-(methoxymethyl)thiophene-2-carbaldehyde (CAS 54796-48-4)
- 4-Ethylthiophene-2-carboxylic acid (CAS 78585-26-9)
- 3-Hydroxy-1-(thiophen-2-yl)propan-1-one (CAS 86366-54-3)
- 2,4-Dichloro-6-(methylsulfonyl)-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine (CAS 1048389-75-8)
- (7,7-Dimethylspiro[3.5]nonan-2-yl)methanamine (CAS 2851937-31-8)
- (4-Amino-6-fluoropyridin-3-yl)methanol (CAS 2270876-67-8)
- 4-(trifluoromethyl)-1,3-dihydrobenzimidazol-2-one (CAS 2251-78-7)
- Ethyl 5-bromo-2-(4-fluorophenyl)-1H-indole-3-carboxylate (CAS 1215106-46-9)
- 3-((4-(Trifluoromethyl)pyrimidin-2-yl)oxy)aniline (CAS 1216999-17-5)
- Neuropeptide VF (124-131) (human) (CAS 311309-27-0)
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