6-(P-tolyl)imidazo[2,1-b]thiazole-5-carbaldehyde O-(2-chloro-6-fluorobenzyl) oxime CAS 691883-95-1
| CAS No. | 691883-95-1 |
| Molecular Formula | C20H15ClFN3OS |
| Molecular Weight | 399.87 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 6-(P-tolyl)imidazo[2,1-b]thiazole-5-carbaldehyde O-(2-chloro-6-fluorobenzyl) oxime is closely related to a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine/chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
6-(P-tolyl)imidazo[2,1-b]thiazole-5-carbaldehyde O-(2-chloro-6-fluorobenzyl) oxime (CAS 691883-95-1) is a high-purity analytical reference standard with the molecular formula C20H15ClFN3OS and a molecular weight of 399.87 g/mol.
Based on its molecular formula C20H15ClFN3OS, 6-(P-tolyl)imidazo[2,1-b]thiazole-5-carbaldehyde O-(2-chloro-6-fluorobenzyl) oxime 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 399.87 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.
As a certified reference material (CRM), 6-(P-tolyl)imidazo[2,1-b]thiazole-5-carbaldehyde O-(2-chloro-6-fluorobenzyl) oxime meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C20H15ClFN3OS |
| Molecular Weight | 399.87 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related P Standards
- 1-(p-Tolyl)-3-(3-(4-(trifluoromethyl)phenyl)-1,2,4-oxadiazol-5-yl)pyridazin-4(1H)-one (CAS 1115963-56-8)
- 3-(5-p-Tolyl-1H-pyrrol-2-yl)-propionic acid (CAS 329217-03-0)
- 8-(P-tolyl)-2,4-bis(trifluoromethyl)imidazo[1,2-a][1,8]naphthyridine (CAS 691869-98-4)
- 1,3-Bis[3-(4-tolyl)-1,2,4-oxadiazolyl]benzene (CAS 1965304-71-5)
- 1,3-Bis ((3-(2-tolyl)-1,2,4-oxadiazol)-5-yl)benzene (CAS 1965304-96-4)
- 1,3-Bis[3-(3-tolyl)-1,2,4-oxadiazolyl]benzene (CAS 1965304-98-6)
- 2-((5-(m-Tolyl)-1,3,4-oxadiazol-2-yl)thio)-N-(3-(trifluoromethyl)phenyl)acetamide (CAS 337490-49-0)
- 1-(P-tolyl)-3-((3,4,4-trifluorobut-3-en-1-yl)thio)-5,6,7,8-tetrahydroisoquinoline-4-carbonitrile (CAS 691868-96-9)
Recommended Standards
- 4-(4-Chlorophenyl)-1-(3,4-dimethoxyphenethyl)-2-methyl-1H-pyrrole-3-carboxylic acid (CAS 881041-71-0)
- Arbaclofen (CAS 847353-30-4)
- (3-Bromo-2-((3-bromobenzyl)oxy)-5-methylphenyl)boronic acid (CAS 849052-16-0)
- Indomethacin Isopropyl Ester (CAS 72616-25-2)
- Dimethyl 4-(5-(3-chlorophenyl)furan-2-yl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate (CAS 372976-49-3)
- n-(4-(((3-Chloroquinoxalin-2-yl)(cyano)methyl)sulfonyl)phenyl)acetamide (CAS 568553-72-0)
- 3-ethoxy-6-methoxy-1H-indole (CAS 916756-96-2)
- t-Butylmethylacetylene, min. 98% (CAS 999-78-0)
- 1-([1,1'-Biphenyl]-4-yl)-3-((4-bromophenyl)sulfonyl)propan-1-one (CAS 868256-22-8)
- 2,6-Diamino-4-(4-methylphenyl)-4H-thiopyran-3,5-dicarbonitrile (CAS 127118-56-3)
- 6-Amino-2-(difluoromethyl)-5-formylnicotinonitrile (CAS 1805109-64-1)
- (E)-3-(chloromethyl)-4-(thiophen-2-ylmethylene)isoxazol-5(4H)-one (CAS 1142199-38-9)
- VZ7LP47EPP 562-90-3 Silicon tetraacetate Acetic acid, tetraanhydride with silicic acid (H4SiO4) Tetraacetoxysilane Acetic acid, 1,1',1'',1'''-tetraanhydride with silicic acid (H4SiO4) EINECS 209-239-7 UNII-VZ7LP47EPP (CAS 562-90-3)
- Semaglutide impurity 29 (CAS CATO-C4X-222629)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com