2-Mercapto-5-(4-nitrobenzylidene)thiazol-4(5H)-one CAS 4120-64-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4120-64-3 |
| Molecular Formula | C10H6N2O3S2 |
| Molecular Weight | 266.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Mercapto-5-(4-nitrobenzylidene)thiazol-4(5H)-one (CAS 4120-64-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H6N2O3S2. Molecular weight: 266.30 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H6N2O3S2 |
| Molecular Weight | 266.30 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Mercapto Standards
- (E)-2-Mercapto-5-(2-nitrobenzylidene)thiazol-4(5H)-one (CAS 1784763-14-9)
- (5E)-2-Mercapto-5-(2-nitrobenzylidene)-1,3-thiazol-4(5H)-one (CAS 6308-22-1)
- 2-Mercapto-5-(4-methoxyphenoxy)pyrimidine-4,6-diol (CAS 1245644-64-7)
- N-{3-[(5-mercapto-1,3,4-thiadiazol-2-yl)amino]phenyl}acetamide (CAS 1000933-13-0)
- 1142200-00-7 2-(2-Mercapto-4-oxo-4,5-dihydro-1,3-thiazol-5-yl)-N-phenylacetamide (CAS 1142200-00-7)
- 2-Mercapto-5-(2-thienyl)thieno[2,3-d]pyrimidin-4(3H)-one (CAS 372494-00-3)
- 2-mercapto-3-propyl-6,7-dihydro-3H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-4(5H)-one (CAS 519152-63-7)
- 3-Ethyl-2-mercapto-5,6,7,8-tetrahydro-3H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one (CAS 59898-66-7)
Recommended Standards
- 2-Amino-4-(cyanomethyl)-6-(piperidin-1-yl)pyridine-3,5-dicarbonitrile (CAS 380570-35-4)
- 3-((3-Aminophenyl)amino)-1-phenyl-1H-pyrazol-5(4H)-one (CAS 94906-63-5)
- 2-Amino-1-(3-aminopropyl)-1h-pyrrolo[2,3-b]quinoxaline-3-carbonitrile (CAS 843622-49-1)
- 1-[4-(Dimethylamino)phenyl]-2,4,5-trimethyl-1h-pyrrole-3-carbaldehyde (CAS 1087611-49-1)
- 6-azaspiro[3.4]octane-2,5-dione (CAS 2091102-07-5)
- PDI56 (CAS 110590-83-5)
- 3-Isopropyl-1-(4-nitrophenyl)-1H-pyrazol-5-amine (CAS 827614-45-9)
- 1-(Tetrahydro-2h-pyran-3-yl)ethan-1-amine (CAS 1369346-63-3)
- N-(1-(3-(pyridin-4-yl)-1,2,4-oxadiazol-5-yl)cyclohexyl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide (CAS 1396766-04-3)
- Tirzepatide Impurity 11 TFA salt (CAS CATO-C4X-324011)
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