2-[(E)-2-(2,4-Dichlorophenyl)ethenyl]-1,3-benzothiazole CAS 338417-04-2
| CAS No. | 338417-04-2 |
| Molecular Formula | C15H9Cl2NS |
| Molecular Weight | 306.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 306.21 g/mol gives 2-[(E)-2-(2,4-Dichlorophenyl)ethenyl]-1,3-benzothiazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-[(E)-2-(2,4-Dichlorophenyl)ethenyl]-1,3-benzothiazole (CAS 338417-04-2), molecular formula C15H9Cl2NS and molecular weight 306.21 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C15H9Cl2NS, 2-[(E)-2-(2,4-Dichlorophenyl)ethenyl]-1,3-benzothiazole contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 306.21 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2-[(E)-2-(2,4-Dichlorophenyl)ethenyl]-1,3-benzothiazole 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 | C15H9Cl2NS |
| Molecular Weight | 306.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related E Standards
- 4-(2,4-Dichlorophenyl)-2-phenylthiazole (CAS 866152-39-8)
- (2,4-Dichlorophenyl)(3,4-dihydroquinolin-1(2H)-yl)methanone (CAS 306766-49-4)
- (2,6-Dichlorophenyl)(3,4-dihydroquinolin-1(2H)-yl)methanone (CAS 343373-48-8)
- (3,5-Dichlorophenyl)(3,4-dihydroquinolin-1(2h)-yl)methanone (CAS 343373-42-2)
- (3E)-4-[(3,5-Dichlorophenyl)amino]-3-phenylbut-3-en-2-one (CAS 343373-03-5)
- 4-(3,4-dichlorophenyl)-N-methyl-1,2,3,4-tetrahydronaphthalen-2-amine (CAS 944053-72-9)
- (2-(2,4-Dichlorophenyl)-2-hydroxyethyl)carbamic Acid tert-Butyl Ester (CAS 939757-30-9)
- 344265-81-2 4-(2,6-dichlorophenyl)-2-methyl-1lambda~4~,4-thiazinane-1,3,5-trione KS-00003CMW (CAS 344265-81-2)
Recommended Standards
- 2-(Trifluoromethyl)-N-(4-(trifluoromethyl)phenyl)pyridin-4-amine (CAS 338401-83-5)
- 3,5-Dimethyl-1-(tetrahydro-2H-pyran-4-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 2246602-45-7)
- 2-(2,2-Diphenylvinyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 83947-50-6)
- 3-Ethyl-1-(tetrahydro-2H-pyran-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 959755-76-1)
- 3-(thiophen-2-yl)-4,5-dihydro-1,2,4-oxadiazol-5-one (CAS 35637-09-3)
- Smilagenin (CAS 126-18-1)
- 2-[3-(hydroxymethyl)phenoxy]acetamide (CAS 774195-26-5)
- Oxynitrox S 100 (CAS 91993-31-6)
- 2,6-Dichloro-4-(1-methyl-1H-pyrazol-4-yl)pyridine (CAS 1239362-90-3)
- N-(5-((4-Nitrobenzyl)thio)-1,3,4-thiadiazol-2-yl)-3-phenylpropanamide (CAS 476464-69-4)
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- 1-[(4-bromo-3-fluorophenyl)methyl]piperazine (CAS 1249436-04-1)
- (5-Cyano-4-methylthiophen-2-yl)boronic acid (CAS 1119899-50-1)
- Tirzepatide Impurity 48 (CAS CATO-C4X-324048)
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