2-(4-Isopropoxyphenyl)-5-(2-oxo-1-propylindolin-3-ylidene)thiazolo[3,2-b][1,2,4]triazol-6(5H)-one CAS 371130-01-7
| CAS No. | 371130-01-7 |
| Molecular Formula | C24H22N4O3S |
| Molecular Weight | 446.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 446.52 g/mol gives 2-(4-Isopropoxyphenyl)-5-(2-oxo-1-propylindolin-3-ylidene)thiazolo[3,2-b][1,2,4]triazol-6(5H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(4-Isopropoxyphenyl)-5-(2-oxo-1-propylindolin-3-ylidene)thiazolo[3,2-b][1,2,4]triazol-6(5H)-one (CAS 371130-01-7) is a high-purity analytical reference standard with the molecular formula C24H22N4O3S and a molecular weight of 446.52 g/mol.
2-(4-Isopropoxyphenyl)-5-(2-oxo-1-propylindolin-3-ylidene)thiazolo[3,2-b][1,2,4]triazol-6(5H)-one (C24H22N4O3S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), 2-(4-Isopropoxyphenyl)-5-(2-oxo-1-propylindolin-3-ylidene)thiazolo[3,2-b][1,2,4]triazol-6(5H)-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 | C24H22N4O3S |
| Molecular Weight | 446.52 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Isopropoxyphenyl Standards
- 1-((1-((4-Isopropoxyphenyl)sulfonyl)-3,5-dimethyl-1H-pyrazol-4-yl)sulfonyl)-4-methylpiperidine (CAS 956251-53-9)
- 2-(4-Isopropoxyphenyl)-5-(1-methyl-2-oxoindolin-3-ylidene)thiazolo[3,2-b][1,2,4]triazol-6(5H)-one (CAS 618073-65-7)
- 2-(4-Isopropoxyphenyl)-5-(3-nitrobenzylidene)thiazolo[3,2-b][1,2,4]triazol-6(5H)-one (CAS 369399-61-1)
- 2-(4-Isopropoxyphenyl)-5-(4-isopropylbenzylidene)thiazolo[3,2-b][1,2,4]triazol-6(5H)-one (CAS 371118-35-3)
- (3-Isopropoxyphenyl)(1-((5-methyl-1-propyl-1H-pyrazol-4-yl)methyl)piperidin-3-yl)methanone (CAS 958841-22-0)
- 5-((3-(4-Isopropoxyphenyl)-1-phenyl-1H-pyrazol-4-yl)methylene)-3-(4-methylbenzyl)-2-thioxothiazolidin-4-one (CAS 623934-72-5)
- 1-((4-Isopropoxyphenyl)sulfonyl)-4-(pyridin-2-yl)piperazine (CAS 1024523-27-0)
- 6-Ethyl-2-(4-isopropoxyphenyl)quinoline-4-carbonyl chloride (CAS 1160261-06-2)
Recommended Standards
- 2-({4-[(4-Ethoxyanilino)sulfonyl]anilino}carbonyl)cyclohexanecarboxylic acid (CAS 543695-34-7)
- 4-((4-(Benzyloxy)-3-methoxybenzylidene)amino)-3-(3-methoxyphenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478257-94-2)
- 2-((4-Allyl-5-(furan-2-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(4-(benzyloxy)phenyl)acetamide (CAS 573698-19-8)
- 4-(Benzo[d][1,3]dioxol-5-ylmethyl)-N-(4-(N,N-dimethylsulfamoyl)phenyl)piperazine-1-carboxamide (CAS 692733-07-6)
- 4-Cyanophenyl 4-(but-3-en-1-yloxy)benzoate (CAS 114482-57-4)
- 6-amino-7-fluoro-2H,3H,4H-pyrido[3,2-b][1,4]oxazin-3-one (CAS 1909347-79-0)
- Dimethyl 5-(3-phenylureido)isophthalate (CAS 401577-80-8)
- (4-Fluoro-1H-indazol-3-yl)methanamine (CAS 1509716-27-1)
- 4-Ethoxybenzenethiol (CAS 699-09-2)
- 2-(2-Fluorophenyl)-2-methyloxirane (CAS 1037739-35-7)
- 3-(But-3-en-1-yl)benzaldehyde (CAS 358751-00-5)
- Ethyl 8-hydroxyquinoline-7-carboxylate (CAS 55477-70-8)
- 5-Nitroindole-2-carboxylic Acid (CAS 16730-20-4)
- Semaglutide Impurity 146 (CAS 2645421-68-5)
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