2-(4-Chlorobenzyl)-4-(4-isopropylphenyl)-2,4-dihydro-3H-1,2,4-triazol-3-one CAS 343373-34-2
| CAS No. | 343373-34-2 |
| Molecular Formula | C18H18ClN3O |
| Molecular Weight | 327.81 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 2-(4-Chlorobenzyl)-4-(4-isopropylphenyl)-2,4-dihydro-3H-1,2,4-triazol-3-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 327.81 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
2-(4-Chlorobenzyl)-4-(4-isopropylphenyl)-2,4-dihydro-3H-1,2,4-triazol-3-one (CAS 343373-34-2) is a high-purity analytical reference standard with the molecular formula C18H18ClN3O and a molecular weight of 327.81 g/mol.
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-(4-Chlorobenzyl)-4-(4-isopropylphenyl)-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 | C18H18ClN3O |
| Molecular Weight | 327.81 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chlorobenzyl Standards
- 4-(4-Chlorobenzyl)-6,7-dimethoxy-1-methylisoquinoline (CAS 62334-25-2)
- 4-(4-Chlorobenzyl)-6,7-dimethoxy-3-methylisoquinoline (CAS 62334-39-8)
- 4-[1-(2-Chlorobenzyl)-1H-indol-3-yl]butanoic acid (CAS 903138-07-8)
- Methyl 2-(1-(4-chlorobenzyl)-1H-indol-3-yl)-2-oxoacetate (CAS 889974-57-6)
- (2-(4-Chlorobenzyl)propane-1,3-diyl)diphosphonic acid (CAS 103486-14-2)
- 1-(2-Chlorobenzyl)-3-(3-(trifluoromethyl)phenyl)urea (CAS 897540-69-1)
- 3-((4-Chlorobenzyl)thio)-5-(trifluoromethyl)picolinonitrile (CAS 338396-81-9)
- 2-(3-(4-Chlorobenzyl)-4-oxo-3,4-dihydrophthalazin-1-yl)acetic acid (CAS 866136-09-6)
Recommended Standards
- 2-(3-Chlorophenyl)-7-phenylhexahydroimidazo[1,5-a]pyrazin-3(2H)-one (CAS 91532-92-2)
- 2-Chloro-N-isopropyl-N-(4-methoxyphenyl)quinazolin-4-amine (CAS 827030-66-0)
- 2-((4-(1H-Pyrazol-4-yl)phenyl)(4-chlorophenyl)methoxy)ethanamine (CAS 857531-51-2)
- 2-Chloro-N-methyl-N-(4-propoxyphenyl)quinazolin-4-amine (CAS 827031-02-7)
- 4-([2,2’:6’,2’’-Terpyridin]-4’-yl)aniline (CAS 178265-65-1)
- (S)-1-Fmoc-2-methyl-piperazine hydrochloride (CAS 1187930-89-7)
- Methyl 2-(4-(4-bromobenzoyl)-3,4-dihydro-2H-benzo[b][1,4]oxazin-3-yl)acetate (CAS 439096-46-5)
- Mebeverine Impurity 15 (CAS CATO-C4X-168715)
- Toceranib, 98% (CAS 356068-94-5)
- 6-(1-(1H-1,2,4-triazol-1-yl)ethyl)-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 339104-04-0)
- 3-(Aminomethyl)furan (CAS 4543-47-9)
- 3-(Chlorosulfonyl)-4-fluorobenzoic Acid (CAS 2267-40-5)
- Nonadecan-1-amine (CAS 14130-05-3)
- Calcium-Like Peptide 3 (CAS 261969-05-5)
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