4-Methoxy-2-methylthiophene-3-carboxylic acid CAS 87675-98-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 87675-98-7 |
| Molecular Formula | C7H8O3S |
| Molecular Weight | 172.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Methoxy-2-methylthiophene-3-carboxylic acid (CAS 87675-98-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H8O3S. Molecular weight: 172.20 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
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.) | 1982 |
| Sulfur Atoms | 1 |
Related Methoxy Standards
- 5-Methoxy-2-(methylthio)pyrimidin-4(3H)-one (CAS 1671-08-5)
- 5-Methoxy-2-(methylsulfinyl)pyrimidine (CAS 17148-36-6)
- 2-Methoxy-2-(thiophen-2-yl)acetic acid (CAS 5371-94-8)
- 3-Methoxy-5-methyl-2-thiophenecarboxylic Acid (CAS 83261-26-1)
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- N-Methoxy-N-methyl-thiazole-2-carboxamide (CAS 885278-18-2)
Recommended Standards
- 4-Fluorobicyclo[2.2.2]octane-1-carboxylic Acid (CAS 78385-84-9)
- 4-Methyl-2-(methylsulfonyl)pyrimidine (CAS 77166-01-9)
- 4-fluoro-1H-pyrrolo[3,2-c]pyridine-2-carbaldehyde (CAS 2231674-89-6)
- 3-(((1-Methoxypropan-2-yl)amino)methyl)benzonitrile (CAS 1019628-55-7)
- 7-Isopropyl-1,7-diazaspiro[3.5]nonane (CAS 1420866-94-9)
- 3-(3-Chlorophenyl)-5-(o-tolyl)-1H-1,2,4-triazole (CAS 69095-76-7)
- 7,7-Difluoro-2-oxa-5-azabicyclo[4.1.0]heptane (CAS 1258640-26-4)
- tert-Butyl 3-methyl-2,8-diazaspiro[4.5]decane-8-carboxylate (CAS 1899102-29-4)
- 4-Chloro-2,5-dimethylfuro[2,3-d]pyrimidine (CAS 1785546-45-3)
- D-allo-Thr7-Semaglutide (CAS CATO-C4X-2226242)
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