Methyl 3-hydroxy-5-methylthiophene-2-carboxylate CAS 5556-22-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 5556-22-9 |
| Molecular Formula | C7H8O3S |
| Molecular Weight | 172.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 3-hydroxy-5-methylthiophene-2-carboxylate (CAS 5556-22-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C7H8O3S. Molecular weight: 172.20 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
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.) | 1958 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 2-Hydroxy-2-(3-methylthiophen-2-yl)acetic acid (CAS 1248481-32-4)
- (R)-2-hydroxy-3-(thiophen-2-yl)propanoic acid (CAS 917247-81-5)
- 2-Hydroxy-2-(thiophen-2-yl)propanoic acid (CAS 54955-42-9)
- 2-Hydroxy-3-(thiophen-2-yl)propanoic acid (CAS 917247-87-1)
- 3-Hydroxy-3-(thiophen-2-yl)propanoic acid (CAS 26359-15-9)
- 6-Hydroxy-2-((methylthio)methyl)pyrimidin-4(3H)-one (CAS 86551-27-1)
- 6-Hydroxy-3-methyl-2-(methylthio)pyrimidin-4(3H)-one (CAS 6945-56-8)
- methyl 3-hydroxy-4-methylthiophene-2-carboxylate (CAS 32711-57-2)
Recommended Standards
- Methyl 3-methoxythiophene-2-carboxylate (CAS 62353-75-7)
- Methyl 3-hydrazinylthiophene-2-carboxylate (CAS 75681-13-9)
- Methyl 3-methyl-2-thioxo-2,3-dihydro-1H-imidazole-1-carboxylate (CAS 98134-95-3)
- 4-Chloro-pyrido[3,4-d]pyrimidine-2-carboxylic acid ethyl ester (CAS 1286330-15-1)
- Mesoprazine Solution (CAS 1824-09-5)
- Furan-2-yl(2-methyl-4-(phenylamino)-3,4-dihydroquinolin-1(2h)-yl)methanone (CAS 301655-67-4)
- 2-(4-Amino-3-(trifluoromethyl)pyridin-2-yl)acetonitrile (CAS 1805505-31-0)
- 6-Chloro-3-(4-chlorophenyl)-2,4-bis(2-fluorophenyl)-3,4-dihydroquinazolin-4-ol (CAS 77549-03-2)
- 5-(Propan-2-yl)-4h,5h,6h,7h-[1,3]thiazolo[5,4-c]pyridine-2-carbaldehyde (CAS 1341653-34-6)
- Peptide YY (3-36) (human) (CAS 123583-37-9)
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