N'-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-N'-methyl-2-(p-tolylthio)nicotinohydrazide CAS 1024403-13-1
| CAS No. | 1024403-13-1 |
| Molecular Formula | C20H16ClF3N4OS |
| Molecular Weight | 452.88 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
N'-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-N'-methyl-2-(p-tolylthio)nicotinohydrazide (CAS 1024403-13-1), molecular formula C20H16ClF3N4OS and molecular weight 452.88 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C20H16ClF3N4OS, N'-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-N'-methyl-2-(p-tolylthio)nicotinohydrazide contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 452.88 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C20H16ClF3N4OS |
| Molecular Weight | 452.88 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related N Standards
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- Methyl 1-((tert-butoxycarbonyl)amino)-3-oxocyclopentane-1-carboxylate (CAS 191111-14-5)
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- 5-Fluoroimidazo[1,2-a]pyridin-2-amine (CAS 1780693-97-1)
- [4-(2,5-Dioxoimidazolidin-4-yl)phenyl]boronic acid (CAS 1030287-04-7)
- Tirzepatide Impurity 21 X TFA Salt (CAS CATO-C4X-324021)
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