Methyl 3-chloro-5-methylthiophene-2-carboxylate CAS 229343-19-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 229343-19-5 |
| Molecular Formula | C7H7ClO2S |
| Molecular Weight | 190.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 3-chloro-5-methylthiophene-2-carboxylate (CAS 229343-19-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C7H7ClO2S. Molecular weight: 190.65 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C7H7ClO2S |
| Molecular Weight | 190.65 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2022 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Methyl Standards
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- methyl 2-chloro-2-(thiophen-3-yl)acetate (CAS 1249784-85-7)
- 2-chloro-4,5-dimethylthiophene-3-carboxylic acid (CAS 1261769-27-0)
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Recommended Standards
- Methyl 3-(chloromethyl)thiophene-2-carboxylate (CAS 478628-20-5)
- Methyl 4-(chloromethyl)thiophene-2-carboxylate (CAS 34767-85-6)
- Methyl 2-(5-chlorothiophen-2-yl)acetate (CAS 71637-28-0)
- (3-(Piperidin-1-ylmethyl)phenyl)(o-tolyl)methanone (CAS 898792-56-8)
- 3-((dimethylcarbamoyl)oxy)-1-ethylpyridin-1-ium bromide (CAS CATO-C3D-262133)
- 4-Methyl-3-nitrobenzaldehyde (CAS 31680-07-6)
- 2-Methylthio-trans-zeatin (2MeStZ) (CAS 29736-33-2)
- 4,4'-(((9H-fluorene-9,9-diyl)bis(4,1-phenylene))bis(azanediyl))bis(4-oxobutanoic acid) (CAS 457922-91-7)
- 7,7-Difluoro-9-methyl-2,9-diazaspiro[5.5]Undecane (CAS 1509285-21-5)
- Semaglutide Impurity 15 (CAS CATO-C4X-222615)
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