5-(Methoxycarbonyl)-1,2,3-thiadiazole-4-carboxylic acid CAS 1894393-21-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1894393-21-5 |
| Molecular Formula | C5H4N2O4S |
| Molecular Weight | 188.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(Methoxycarbonyl)-1,2,3-thiadiazole-4-carboxylic acid (CAS 1894393-21-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H4N2O4S. Molecular weight: 188.16 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H4N2O4S |
| Molecular Weight | 188.16 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| 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 |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Methoxycarbonyl Standards
- 4-(Methoxycarbonyl)-1,2,5-thiadiazole-3-carboxylic acid (CAS 90993-85-4)
- 3-(methoxycarbonyl)-1-methyl-1H-pyrazole-5-carboxylic acid (CAS 117860-55-6)
- 5-(methoxycarbonyl)-1-methyl-1H-pyrazole-3-carboxylic acid (CAS 117860-56-7)
- (S)-1-((Methoxycarbonyl)amino)pyrrolidine-2-carboxylic acid (CAS 134920-23-3)
- (E)-4-(2-(methoxycarbonyl)hydrazinyl)-4-oxobut-2-enoic acid (CAS 327064-76-6)
- 4-(Methoxycarbonyl)tetrahydro-2H-pyran-4-carboxylic acid (CAS 923020-93-3)
- (S)-3-(methoxycarbonyl)-5-methylhexanoic acid (CAS 213270-36-1)
- 1-(Methoxycarbonyl)piperidine-3-carboxylic acid (CAS 1019363-10-0)
Recommended Standards
- 2-(Dimethylphosphoryl)ethane-1-sulfonyl fluoride (CAS 17535-00-1)
- N-(2-fluorophenyl)carbonohydrazonoyl dicyanide (CAS 191353-21-6)
- Ethyl 4-fluoro-5-hydroxy-1-methyl-1H-pyrazole-3-carboxylate (CAS 1707364-85-9)
- 2,4-Dimethyl 3-[(4-chlorophenyl)carbamoyl]-1,3-thiazolidine-2,4-dicarboxylate (CAS 318247-35-7)
- 2-((1,3-Dioxoisoindolin-2-yl)methyl)benzothioamide (CAS 730971-67-2)
- 7-Hydroxy-5-(pyridin-2-yl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid (CAS 1646543-40-9)
- 2-Amino-3-trifluoromethylpyridine-5-boronic acid pinacol ester, 97% (CAS 947249-01-6)
- 3-Amino-5-(methoxycarbonyl)phenylboronic Acid (CAS 380430-56-8)
- 4,4,5,5-Tetramethyl-2-(5-(o-tolyl)furan-2-yl)-1,3,2-dioxaborolane (CAS 2096337-37-8)
- Semaglutide impurity 23 (CAS CATO-C4X-222623)
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