2-(Methylthio)-5-(5-nitrofuran-2-yl)-1,3,4-thiadiazole CAS 3237-63-6
| CAS No. | 3237-63-6 |
| Molecular Formula | C7H5N3O3S2 |
| Molecular Weight | 243.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-(Methylthio)-5-(5-nitrofuran-2-yl)-1,3,4-thiadiazole (CAS 3237-63-6) is a high-purity analytical reference standard with the molecular formula C7H5N3O3S2 and a molecular weight of 243.26 g/mol.
Based on its molecular formula C7H5N3O3S2, 2-(Methylthio)-5-(5-nitrofuran-2-yl)-1,3,4-thiadiazole contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 243.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C7H5N3O3S2 |
| Molecular Weight | 243.26 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related Methylthio Standards
- 4-(Methylthio)-7-(trifluoromethyl)quinoline (CAS 220072-35-5)
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- 3-(2-(Methylthio)pyrimidin-4-yl)benzo[d]isoxazole (CAS 918870-25-4)
- 5-(Methylthio)-3-(trifluoromethyl)isothiazole-4-carboxylic acid (CAS 157984-53-7)
- (S)-4-(Methylthio)-2-((phosphonomethyl)amino)butanoic acid (CAS 109739-03-9)
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Recommended Standards
- 2-(hydroxymethyl)-5-phenyl-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one (CAS 2768040-63-5)
- 2,4-Dimethyl-1-(4-nitrophenoxy)benzene (CAS 86197-57-1)
- 2-(Benzylamino)-4-methylpyrimidine-5-carboxylic acid (CAS 857410-55-0)
- 2,4-Dimethyl-2,3-dihydro-furo[3,2-c]quinoline-8-carboxylic acid (CAS 361368-55-0)
- 4-Chloro-2-methoxyquinolin-3-amine (CAS 1414786-22-3)
- N,N-Dimethyl-2-(methylamino)propanamide (CAS 69902-16-5)
- 2,4-Dichloro-6-fluorocinnamic acid (CAS 1807413-54-2)
- N-(2-aminoethyl)-4-(cyclopropanecarboxamido)benzamide (CAS 1105193-36-9)
- N-(4-(3-Methoxypyrrolidin-1-yl)phenyl)isonicotinamide (CAS 1797277-65-6)
- Paricalcitol Impurity 34 (CAS 1715-86-2)
- tert-Butyl 2-chloro-6-(methylcarbamoyl)isonicotinate (CAS 2137056-48-3)
- 6-Chloro-1,2,3,4-tetrahydroacridin-9-amine (CAS 5778-84-7)
- 1-(Quinazolin-4-yl)pyrrolidine-3-carboxylic acid (CAS 1283668-17-6)
- Tau Peptide (307-321) trifluoroacetate salt (CAS 330456-50-3)
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