2,5-Dimethyl 3-hydroxythiophene-2,5-dicarboxylate CAS 5556-24-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 5556-24-1 |
| Molecular Formula | C8H8O5S |
| Molecular Weight | 216.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,5-Dimethyl 3-hydroxythiophene-2,5-dicarboxylate (CAS 5556-24-1) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C8H8O5S. Molecular weight: 216.21 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C8H8O5S |
| Molecular Weight | 216.21 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2,4,6-Trioxa-1,3,5,7-tetramethyl-8-phosphaadamantane (~32% in xylene) (CAS 26088-25-5)
- 2-[(4-Hydroxy-5-methoxypyrimidin-2-yl)sulfanyl]acetic acid (CAS 90151-22-7)
- 2-(Methylsulfonyl)-4-nitroaniline (CAS 96-74-2)
- 3-(Trifluoromethyl)benzoyl cyanide (CAS 77173-53-6)
- 1-ALlylpiperidine-3-carboxylic acid (CAS 184965-10-4)
- 1-(3,4-Dimethylphenyl)-3-(3,5-dimethylphenyl)propan-1-one (CAS 898780-70-6)
- Carbamic acid, N-(3-chloropropoxy)-N-methyl-, 1,1-dimethylethyl ester (CAS 1152438-41-9)
- 7-Bromonaphthalen-1-amine hydrochloride (CAS 137466-04-7)
- Methyl 2-(5-bromo-2-(chlorosulfonyl)phenyl)acetate (CAS 1403387-05-2)
- Tirzepatide Impurity 48 (CAS CATO-C4X-324048)
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