(5E)-2-Mercapto-5-[4-(trifluoromethyl)-benzylidene]-1,3-thiazol-4(5H)-one 4696AF 99460-76-1 C11H6F3NOS2 CAS 99460-76-1
| CAS No. | 99460-76-1 |
| Molecular Formula | C11H6F3NOS2 |
| Molecular Weight | 289.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(5E)-2-Mercapto-5-[4-(trifluoromethyl)-benzylidene]-1,3-thiazol-4(5H)-one 4696AF 99460-76-1 C11H6F3NOS2 (CAS 99460-76-1), molecular formula C11H6F3NOS2 and molecular weight 289.30 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H6F3NOS2, (5E)-2-Mercapto-5-[4-(trifluoromethyl)-benzylidene]-1,3-thiazol-4(5H)-one 4696AF 99460-76-1 C11H6F3NOS2 contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 289.30 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures (5E)-2-Mercapto-5-[4-(trifluoromethyl)-benzylidene]-1,3-thiazol-4(5H)-one 4696AF 99460-76-1 C11H6F3NOS2 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H6F3NOS2 |
| Molecular Weight | 289.30 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related E Standards
- (5E)-2-Mercapto-5-[2-(trifluoromethyl)benzylidene]-1,3-thiazol-4(5H)-one 153568-04-8 4780AD C11H6F3NOS2 (CAS 153568-04-8)
- 2-Mercapto-5,6-dimethyl-3-phenylthieno[2,3-d]pyrimidin-4(3H)-one (CAS 59898-64-5)
- 4-(5-mercapto-1H-tetrazol-1-yl)-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one (CAS 875160-19-3)
- 6-Mercapto-1-(2-methoxy-5-methylphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one (CAS 1416345-88-4)
- 1-mercapto-4-(3-methoxypropyl)[1,2,4]triazolo[4,3-a]quinazolin-5(4H)-one (CAS 757221-15-1)
- Ethyl 4-(2-mercapto-4,4-dimethylpyrimidin-1(4H)-yl)benzoate (CAS 1142212-61-0)
- N-(1-(5-Mercapto-4-methyl-4H-1,2,4-triazol-3-yl)-2-methylpropyl)benzamide (CAS 708251-23-4)
- N-(3-Mercapto-5-pentyl-4H-1,2,4-triazol-4-yl)benzamide (CAS 32444-84-1)
Recommended Standards
- 633286-23-4 N-[(3,4-Dimethoxyphenyl)sulfonyl]-N-methylglycine MFCD03821321 (CAS 633286-23-4)
- N-(2-Fluorophenyl)-2-(4-hydroxyphenoxy)-N-methylpropanamide (CAS 256412-88-1)
- n,n-Bis(2-hydroxyethyl)-3-carboxybenzenesulfonamide (CAS 6628-11-1)
- Ethyl 1-(benzo[d]thiazol-2-yl)-5-hydroxy-1H-pyrazole-4-carboxylate (CAS 1006661-02-4)
- 3,5-Dibromo-1-[(2-chlorophenyl)methyl]-1h-1,2,4-triazole (CAS 917219-31-9)
- 2-[(3-Cyano-6-ethyl-5,6,7,8-tetrahydro-1,6-naphthyridin-2-yl)sulfanyl]-N-(4-methoxyphenyl)acetamide (CAS 445222-25-3)
- 2-((1-Ethylpyrrolidin-3-yl)oxy)aniline (CAS 917909-35-4)
- Apremilast Impurity 6 (CAS 1809170-71-5)
- 1-(Bromomethyl)-1-(cyclopentyloxy)-4-methylcyclohexane (CAS 1248213-10-6)
- 4-(3-(4-(4-Fluorophenyl)piperazin-1-yl)-2-hydroxypropoxy)benzonitrile (CAS 383147-03-3)
- Morpholine-3-carbaldehyde (CAS 773866-78-7)
- N-(1-Ethyl-2-(furan-2-yl)-3-methyl-4-oxoazetidin-3-yl)benzamide (CAS 91815-07-5)
- n-[(2-methylpyridin-4-yl)methylidene]hydroxylamine (CAS 886015-68-5)
- Insulin Degludec Impurity 16 (CAS CATO-C4X-215716)
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