4-phenyl-4,5-dihydro-1H-1,2,4-triazol-5-one CAS 1008-30-6
| CAS No. | 1008-30-6 |
| Molecular Formula | C8H7N3O |
| Molecular Weight | 161.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The molecular framework of 4-phenyl-4,5-dihydro-1H-1,2,4-triazol-5-one (C8H7N3O) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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).
4-phenyl-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 1008-30-6) is a high-purity analytical reference standard with the molecular formula C8H7N3O and a molecular weight of 161.16 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.
CATO manufactures 4-phenyl-4,5-dihydro-1H-1,2,4-triazol-5-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C8H7N3O |
| Molecular Weight | 161.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 3 |
Related phenyl Standards
- 2,3-Dihydro-1,4-benzodioxine-5-carbonitrile (CAS 148703-14-4)
- 2,3-Dihydro-1,4-benzodioxine-6-carbonitrile (CAS 19102-07-9)
- 2-Oxo-2,3-dihydro-1H-indole-7-carbaldehyde (CAS 933753-63-0)
- 3,4-Dihydro-2H-pyrido[3,2-b][1,4]oxazine-7-carbonitrile (CAS 34945-66-9)
- 3-Phenyl-4,5-dihydro-1h-1,2,4-triazol-5-one (CAS 939-07-1)
- 4-Methyl-2,3-dihydro-1h-isoindole-1,3-dione (CAS 7251-82-3)
- (Z)-2,3-Dihydro-1H-inden-1-one O-methyl oxime (CAS 1206880-04-7)
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Recommended Standards
- (R)-2-((METHOXYCARBONYL)AMINO)BUTANOIC ACID (CAS 1007880-11-6)
- 2-Cyano-1,4-benzodioxan (CAS 1008-92-0)
- 5-Aminoquinoxalin-2(1H)-one (CAS 1002129-56-7)
- 8-Methylbenzo[d][1,2,3]triazin-4(3H)-one (CAS 1008742-16-2)
- Hept-3-ynoic acid (CAS 59862-93-0)
- n-(2-Hydroxyphenyl)-2-methoxybenzamide (CAS 54255-65-1)
- 3-(3-Phenylpiperazin-1-yl)pyrazin-2-amine (CAS 1111598-17-4)
- (S)-1-Benzyl-2-methylpiperazine (CAS 511254-92-5)
- tert-Butyl7-(3-ethoxy-3-oxopropyl)-3,4-dihydro-1,8-naphthyridine-1(2H)-carboxylate (CAS 1272758-04-9)
- Ethyl 1,3-dibenzyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate (CAS 1335054-67-5)
- tert-Butyl 1-(methylamino)-3-azabicyclo[4.1.0]heptane-3-carboxylate (CAS 1341039-52-8)
- 5-Bromo-3,4-dichloro-2-hydroxybenzaldehyde (CAS 1206969-65-4)
- 2-(Difluoromethyl)-3-fluoro-4-(trifluoromethyl)pyridine-5-acetonitrile (CAS 1807069-86-8)
- Tau Peptide (295-309) trifluoroacetate salt (CAS 330456-46-7)
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