Methyl 3-methoxy-5-(methylthio)thiophene-2-carboxylate CAS 104386-69-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 104386-69-8 |
| Molecular Formula | C8H10O3S2 |
| Molecular Weight | 218.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 3-methoxy-5-(methylthio)thiophene-2-carboxylate (CAS 104386-69-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H10O3S2. Molecular weight: 218.29 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H10O3S2 |
| Molecular Weight | 218.29 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Sulfur Atoms | 2 |
Related Methyl Standards
- 10-Methoxy-2,3,4,6,7,11b-hexahydro-1H-pyrazino[2,1-a]isoquinoline (CAS 1082871-90-6)
- 9-Methoxy-2,3,4,6,7,11b-hexahydro-1H-pyrazino[2,1-a]isoquinoline (CAS 1082871-91-7)
- (5-Methoxy-1,2-dimethyl-1H-indol-3-yl)-N-methylmethanamine (CAS 1368967-58-1)
- (E)-4-(4-Methoxy-2,3,6-trimethylphenyl)but-3-en-2-one (CAS 62924-31-6)
- 1-(5-Methoxy-2-methyl-1H-indol-3-yl)-N,N-dimethylmethanamine (CAS 6260-96-4)
- 2-Methoxy-N-((1-methyl-1H-indol-2-yl)methyl)ethan-1-amine (CAS 883539-48-8)
- 4-(4-Methoxy-2,3,6-trimethylphenyl)but-3-en-2-one (CAS 54757-47-0)
- 8-Methoxy-2,3,4,5,11,11a-hexahydro-1H-[1,4]diazepino[1,7-a]indole (CAS 2815240-06-1)
Recommended Standards
- RO 5256390 (CAS 1043495-96-0)
- N-Desethyl Milnacipran (CAS CATO-C1040008)
- 1-(2-Methylphenyl)cyclohexane-1-carboxylic acid (CAS 1039931-32-2)
- 2-(4-Hydroxyphenyl)-4-methylpentan-3-one (CAS 111873-62-2)
- 7-Azaindole N-oxide 3-chlorobenzoate, 95% (CAS 611197-49-0)
- Diethyl 2-nitrobenzylphosphonate (CAS 143023-69-2)
- N-Methyl-N-propyl-isophthalamic acid (CAS 1154356-99-6)
- N-(4-Chlorophenyl)-2-((4,5-diphenyl-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 328020-51-5)
- 2-[(5-chloro-2-methoxyphenyl)amino]acetic acid (CAS 108994-41-8)
- Semaglutide Impurity 189 (CAS CATO-C4X-2226189)
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