2-Amino-5-((3-(4-chlorophenyl)-1-phenyl-1H-pyrazol-4-yl)methylene)thiazol-4(5H)-one CAS 623935-97-7
| CAS No. | 623935-97-7 |
| Molecular Formula | C19H13ClN4OS |
| Molecular Weight | 380.85 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C19H13ClN4OS, 2-Amino-5-((3-(4-chlorophenyl)-1-phenyl-1H-pyrazol-4-yl)methylene)thiazol-4(5H)-one contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 380.85 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).
2-Amino-5-((3-(4-chlorophenyl)-1-phenyl-1H-pyrazol-4-yl)methylene)thiazol-4(5H)-one (CAS 623935-97-7) is a high-purity analytical reference standard with the molecular formula C19H13ClN4OS and a molecular weight of 380.85 g/mol.
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 | C19H13ClN4OS |
| Molecular Weight | 380.85 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Amino Standards
- 3-Amino-N-(3-chlorophenyl)-6-(pyridin-4-yl)thieno[2,3-b]pyridine-2-carboxamide (CAS 496801-20-8)
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Recommended Standards
- (E)-{[6-(4-chlorobenzenesulfonyl)pyridin-3-yl]methylidene}amino 3-methylbutanoate (CAS 338967-27-4)
- 2-Chloro-5-[(4-phenylpiperazin-1-yl)sulfonyl]benzoic acid (CAS 380193-38-4)
- 3-(2-Chlorophenyl)-4-(((2-hydroxynaphthalen-1-yl)methylene)amino)-1H-1,2,4-triazole-5(4H)-thione (CAS 160285-06-3)
- 3-(3-Chlorophenyl)-4-(((2-hydroxynaphthalen-1-yl)methylene)amino)-1H-1,2,4-triazole-5(4H)-thione (CAS 478255-10-6)
- tert-Butyl (1-(4-bromothiazol-2-yl)piperidin-4-yl)carbamate (CAS 1289050-83-4)
- 3-(Trifluoromethyl)-1H-indazole-6-carboxylic acid (CAS 1374258-64-6)
- 2-Benzyl-5-bromoisoindoline-1,3-dione (CAS 82104-06-1)
- 3-Methoxy-5,6-dimethylpyrazin-2-ol (CAS 100868-74-4)
- 5-(4-(Dimethylamino)phenyl)-4-(4-methoxyphenyl)-4h-1,2,4-triazole-3-thiol (CAS 893725-26-3)
- Oxybutynin Impurity N2 (CAS 81039-74-9)
- 2-Aminopropanehydrazide (CAS 26432-39-3)
- 3-((2-(4-Methoxyphenoxy)ethyl)(methyl)amino)butanenitrile (CAS 1267240-07-2)
- 3-Chloro-2-methoxybenzonitrile (CAS 725718-12-7)
- Steroidogenesis-Activator Polypeptide (rat) (H-8855.0500) (CAS 108563-23-1)
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