4,5-dimethyl-2-(1H-tetrazol-1-yl)thiophene-3-carboxylic acid CAS 1146299-25-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1146299-25-3 |
| Molecular Formula | C8H8N4O2S |
| Molecular Weight | 224.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,5-dimethyl-2-(1H-tetrazol-1-yl)thiophene-3-carboxylic acid (CAS 1146299-25-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H8N4O2S. Molecular weight: 224.24 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H8N4O2S |
| Molecular Weight | 224.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
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Recommended Standards
- methyl 3-hydroxy-5-(1H-pyrazol-1-yl)thiophene-2-carboxylate (CAS 113387-75-0)
- 2-(7-Oxothieno[2,3-d]pyridazin-6(7H)-yl)propanoic acid (CAS 118376-66-2)
- Ethyl thiazolo[4,5-b]pyrazin-2-ylcarbamate (CAS 112342-69-5)
- 4-Chloro-6-methoxy-7-(3-morpholinopropoxy)quinoline-3-carbonitrile (CAS 214487-30-6)
- 2-(3-Methylphenyl)quinoline-4-carbonyl chloride (CAS 1160264-70-9)
- (1R,2S,3S,4R,5R)-2,3-Dihydroxy-6,8-dioxabicyclo[3.2.1]octan-4-yl 4-methylbenzenesulfonate (CAS 3868-05-1)
- 5-((4-Ethylphenoxy)methyl)furan-2-carbohydrazide (CAS 834913-91-6)
- 2-(2,2-Dimethylpropanamido)-4,5-dimethylthiophene-3-carboxylic acid (CAS 312940-43-5)
- ethyl 4-chlorothieno[2,3-d]pyrimidine-5-carboxylate (CAS 1216013-63-6)
- Peptide 431 (CAS CATO-CPTD788431)
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