321736-09-8 Diethyl 2-amino-5-methylthiophene-3,4-dicarboxylate MFCD02615252 CAS 321736-09-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 321736-09-8 |
| Molecular Formula | C11H15NO4S |
| Molecular Weight | 257.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
321736-09-8 Diethyl 2-amino-5-methylthiophene-3,4-dicarboxylate MFCD02615252 (CAS 321736-09-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H15NO4S. Molecular weight: 257.31 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H15NO4S |
| Molecular Weight | 257.31 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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.) | 2025 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Diethyl Standards
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Recommended Standards
- Timoprazole (CAS 57237-97-5)
- 3159AE 425413-52-1 C11H15NO4S N-(3,4-Dimethylphenyl)-N-(methylsulfonyl)-glycine (CAS 425413-52-1)
- tert-Butyl phenylsulfonylcarbamate (CAS 2845-66-1)
- 6,7-Dimethyl 5-(4-methoxyphenyl)-1H,3H-pyrrolo[1,2-c][1,3]thiazole-6,7-dicarboxylate (CAS 339113-35-8)
- 6,7,9,10,17,18,20,21-Octahydrodibenzo[b,k][1,4,7,10,13,16]hexaoxacyclooctadecine-2,13-diamine (CAS 31406-52-7)
- (R)-1'-(tert-Butyl)-3-chloro-5,7-dihydrospiro[cyclopenta[b]pyridine-6,3'-pyrrolo[2,3-b]pyridin]-2'(1'H)-one (CAS 1456803-73-8)
- (S)-(2-methylpiperazin-1-yl)(phenyl)methanone (CAS 619331-54-3)
- 1-Butyl-1-methylpiperidinium Bis(trifluoromethanesulfonyl)imide (CAS 623580-02-9)
- 2-(3-(P-tolyl)propanoyl)benzonitrile (CAS 898768-53-1)
- Semaglutide impurity 77 (CAS CATO-C4X-222677)
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