ethyl 4-hydroxythiophene-2-carboxylate CAS 133019-68-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 133019-68-8 |
| Molecular Formula | C7H8O3S |
| Molecular Weight | 172.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity ethyl 4-hydroxythiophene-2-carboxylate (CAS 133019-68-8) pharmaceutical standards reference standard. Molecular formula: C7H8O3S. Molecular weight: 172.20 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C7H8O3S |
| Molecular Weight | 172.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Sulfur Atoms | 1 |
Related ethyl Standards
- Ethyl 4-hydroxythiophene-3-carboxylate (CAS 1006-44-6)
- Ethyl 3-hydroxythiophene-2-carboxylate (CAS 2158-88-5)
- Ethyl 5-hydroxythiophene-2-carboxylate (CAS 7210-60-8)
- Methyl 5-hydroxythiophene-2-carboxylate (CAS 107433-27-2)
- Methyl 4-hydroxythiophene-3-carboxylate (CAS 65369-21-3)
- 5-hydroxythiophene-2-carboxylic acid (CAS 1881320-94-0)
- 3-Hydroxythiophene-2-carboxylic acid (CAS 5118-07-0)
- 4-Hydroxythiophene-2-carboxylic acid (CAS 40748-90-1)
Recommended Standards
- 4-Pyridylmethanesulfonamide (CAS 132685-19-9)
- (Thiazol-5-ylmethyl)glycine (CAS 1339037-95-4)
- (R)-2-Amino-3-(thiazol-4-yl)propanoic acid (CAS 131896-42-9)
- Propazine D6 (isopropyl D6) 100 microg/mL in Acetone 6-chloro-2-N-(1,1,1,3,3,3-hexadeuteriopropan-2-yl)-4-N-propan-2-yl-1,3,5-triazine-2,4-diamine Propazine D6 (isopropyl D6) 1655498-05-7 (CAS 1655498-05-7)
- 4-Bromo-N-methoxy-N,2-dimethylbenzamide (CAS 178313-45-6)
- (R)-1-(2-bromo-4-chlorophenyl)-2,2,2-trifluoroethanol (CAS 1033805-25-2)
- 3-(1H-Pyrazol-1-yl)-2-pyrazinecarbonitrile (CAS 1248038-90-5)
- Ethyl 2-(3-phenylcyclobutyl)acetate (CAS 2120903-56-0)
- 3,5-Dibromo-[1,1'-biphenyl]-4-amine (CAS 3366-59-4)
- Liraglutide Impurity 28 (CAS CATO-C4X-199228)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com