5-Amino-3-methyl-thiophene-2,4-dicarboxylic acid 4-ethyl ester 2-(2-methoxy-ethyl) ester CAS 556016-30-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 556016-30-9 |
| Molecular Formula | C12H17NO5S |
| Molecular Weight | 287.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Amino-3-methyl-thiophene-2,4-dicarboxylic acid 4-ethyl ester 2-(2-methoxy-ethyl) ester (CAS 556016-30-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H17NO5S. Molecular weight: 287.33 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H17NO5S |
| Molecular Weight | 287.33 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 2-(2,5-Dimethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 356570-53-1)
- 1,4-Dimethyl 1-aminocyclohexane-1,4-dicarboxylate (CAS 1427380-99-1)
- tert-Butyl 4-((2-chloro-6-methoxyquinazolin-4-yl)amino)piperidine-1-carboxylate (CAS 1648895-40-2)
- N-benzyl-4-chloroaniline (CAS 2948-37-0)
- cis-8-Amino-1-azaspiro[4.5]decan-2-one hydrochloride (CAS 2177266-26-9)
- [1-(4-bromophenyl)-1h-pyrazol-3-yl]methanamine (CAS 1472723-59-3)
- Semaglutide impurity 45 (CAS CATO-C4X-222645)
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