4-(4-Isopropylphenyl)-5-methyl-2-(2-phenoxyethyl)-2,4-dihydro-3H-1,2,4-triazol-3-one CAS 860785-34-8
| CAS No. | 860785-34-8 |
| Molecular Formula | C20H23N3O2 |
| Molecular Weight | 337.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
4-(4-Isopropylphenyl)-5-methyl-2-(2-phenoxyethyl)-2,4-dihydro-3H-1,2,4-triazol-3-one (CAS 860785-34-8), molecular formula C20H23N3O2 and molecular weight 337.42 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-(4-Isopropylphenyl)-5-methyl-2-(2-phenoxyethyl)-2,4-dihydro-3H-1,2,4-triazol-3-one (C20H23N3O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 337.42 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 4-(4-Isopropylphenyl)-5-methyl-2-(2-phenoxyethyl)-2,4-dihydro-3H-1,2,4-triazol-3-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 | C20H23N3O2 |
| Molecular Weight | 337.42 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
Related Isopropylphenyl Standards
- 2-(4-Isopropylphenyl)-6,8-dimethylquinoline-4-carbonyl chloride (CAS 1160262-70-3)
- 3-(3-(4-Isopropylphenyl)-2,5-dioxoimidazolidin-1-yl)benzoic acid (CAS 651748-42-4)
- N-(4-(4-Isopropylphenyl)thiazol-2-yl)-3-methylbenzamide (CAS 313515-66-1)
- 2-(4-Isopropylphenyl)-6-phenyl-4H-thiopyran-4-one 1,1-dioxide (CAS 174493-23-3)
- 4-(2-isopropylphenyl)-1-mercapto[1,2,4]triazolo[4,3-a]quinazolin-5(4H)-one (CAS 857041-70-4)
- N-(4-isopropylphenyl)-2-(4-(pyridin-2-yl)piperazin-1-yl)acetamide (CAS 303091-94-3)
- 4-((4-Isopropylphenyl)thio)-5,6-dihydro-4H-thieno[2,3-b]thiopyran 7,7-dioxide (CAS 339019-25-9)
- 3-((4-Isopropylphenyl)amino)-2-phenyl-1H-inden-1-one (CAS 1023551-34-9)
Recommended Standards
- 4-(2-Methoxyphenyl)-3,7,7-trimethyl-2H,4H,5H,6H,7H,8H,9H-pyrazolo[3,4-b]quinolin-5-one (CAS 866018-94-2)
- 4-(4-Methoxyphenyl)-3,7,7-trimethyl-2H,4H,5H,6H,7H,8H,9H-pyrazolo[3,4-b]quinolin-5-one (CAS 329978-00-9)
- 4-(1,1-Dioxido-1,2-thiazinan-2-yl)-N-(thiazol-2-yl)benzamide (CAS 941956-72-5)
- 4,4'-(4-Phenylpyridine-2,6-diyl)dianiline (CAS 312491-28-4)
- 2-Oxo-2-(3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazin-6-yl)ethyl 2-(methylthio)nicotinate (CAS 380487-89-8)
- Ethylenediaminetetraacetic Acid Manganese Disodium Salt (CAS 15375-84-5)
- 2-(Isopropyl(2-oxo-2-(thiazol-2-yl)ethyl)amino)acetic acid (CAS 1353947-14-4)
- Ixazomib Impurity 86 (CAS CATO-C4X-126786)
- tert-Butyl 5-hydroxy-3-methyl-1H-pyrazolo[3,4-b]pyridine-1-carboxylate (CAS 864775-98-4)
- N,N-Bis((1H-benzo[d][1,2,3]triazol-1-yl)methyl)propan-1-amine (CAS 111184-79-3)
- Lumateperone Impurity 34 (CAS 51787-87-2)
- 4-[(3,4-Dichlorophenyl)methoxy]-N'-[(1Z)-(3,4-dimethoxyphenyl)methylidene]benzohydrazide (CAS 303987-17-9)
- Methyl 10-chlorodecanoate (CAS 71194-27-9)
- Semaglutide Impurity 176 (CAS CATO-C4X-2226176)
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