2-Methyl-1-(5-methyl-1,3,4-thiadiazol-2-yl)-4-((2-phenyl-1H-indol-3-yl)methylene)-1H-imidazol-5(4H)-one CAS 143658-85-9
| CAS No. | 143658-85-9 |
| Molecular Formula | C22H17N5OS |
| Molecular Weight | 399.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 399.47 g/mol gives 2-Methyl-1-(5-methyl-1,3,4-thiadiazol-2-yl)-4-((2-phenyl-1H-indol-3-yl)methylene)-1H-imidazol-5(4H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-Methyl-1-(5-methyl-1,3,4-thiadiazol-2-yl)-4-((2-phenyl-1H-indol-3-yl)methylene)-1H-imidazol-5(4H)-one (CAS 143658-85-9), molecular formula C22H17N5OS and molecular weight 399.47 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C22H17N5OS, 2-Methyl-1-(5-methyl-1,3,4-thiadiazol-2-yl)-4-((2-phenyl-1H-indol-3-yl)methylene)-1H-imidazol-5(4H)-one contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 399.47 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-Methyl-1-(5-methyl-1,3,4-thiadiazol-2-yl)-4-((2-phenyl-1H-indol-3-yl)methylene)-1H-imidazol-5(4H)-one 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 | C22H17N5OS |
| Molecular Weight | 399.47 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Recommended Standards
- Imrecoxib Impurity 12 (CAS 896729-08-1)
- (2R,3R,4S,5R)-2-(6-((4-Hydroxy-3-methylbutyl)amino)-2-(methylthio)-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol (CAS 37384-95-5)
- Sulbactam Impurity 19 (CAS CATO-C4X-175619)
- 2-(Benzylthio)-5-(1-phenyl-5-(1H-pyrrol-1-yl)-1H-pyrazol-4-yl)-1,3,4-oxadiazole (CAS 956613-25-5)
- (6-Bromo-3-methylpyridin-2-yl)methanamine (CAS 1417653-27-0)
- 3-Chloro-5-fluoro-4-(hydroxymethyl)phenol (CAS 438050-33-0)
- Methyl 3-Fluoro-4-morpholinobenzoate (CAS 495405-04-4)
- Temozolomide Impurity 16 (CAS 71749-37-6)
- ethyl 2-[4-formyl-3-(4-methoxyphenyl)-1H-pyrazol-1-yl]acetate (CAS 887408-03-9)
- Methyl 6-butoxy-5-methylpyridine-3-carboxylate (CAS 2121515-26-0)
- N-Benzylazepan-4-amine (CAS 1565450-95-4)
- 2,7-Dichloro-1,3-benzothiazole (CAS 2942-23-6)
- (2R)-2-amino-3-(2,4,5-trihydroxyphenyl)propanoic acid (CAS 29979-41-7)
- Tirzepatide Impurity 25 X TFA Salt (CAS CATO-C4X-324025)
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