1-(2,4-Dihydroxyphenyl)-2-(4-phenyl-4H-1,2,4-triazol-3-yl)ethanone CAS 66819-07-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 66819-07-6 |
| Molecular Formula | C16H13N3O3 |
| Molecular Weight | 295.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(2,4-Dihydroxyphenyl)-2-(4-phenyl-4H-1,2,4-triazol-3-yl)ethanone (CAS 66819-07-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H13N3O3. Molecular weight: 295.29 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H13N3O3 |
| Molecular Weight | 295.29 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Nitrogen Atoms | 3 |
Related Dihydroxyphenyl Standards
- (E)-2-((3-(3,4-Dihydroxyphenyl)acryloyl)oxy)succinic acid (CAS 92344-57-5)
- 1-(2,4-Dihydroxyphenyl)-2-(1-phenyl-1H-pyrazol-4-yl)ethanone (CAS 51412-24-9)
- 1-(3,4-Dihydroxyphenyl)-2-((4-hydroxy-6-methylpyrimidin-2-yl)thio)ethan-1-one (CAS 429649-34-3)
- 2-(3,4-Dihydroxyphenyl)-6-ethyl-3-hydroxychromen-4-one (CAS 1313738-76-9)
- 2-(3-(3,4-Dihydroxyphenyl)-2-hydroxypropyl)benzene-1,3,5-triol (CAS 55626-36-3)
- 1-(3,4-Dihydroxyphenyl)-2-((4,6-dimethylpyrimidin-2-yl)thio)ethanone (CAS 430447-82-8)
- 3-(2,4-Dihydroxyphenyl)-7-hydroxy-5-methoxy-2H-chromen-2-one (CAS 1092952-62-9)
- 2-(3,4-Dihydroxyphenyl)-7-hydroxy-5-methoxy-4H-chromen-4-one (CAS 58115-29-0)
Recommended Standards
- 1-(2-((2-Nitrobenzyl)oxy)phenyl)-1H-imidazole (CAS 61320-50-1)
- 1-(3-((4-Nitrophenyl)amino)-1H-indol-1-yl)ethan-1-one (CAS 67766-00-1)
- (Z)-3-(((2-Methoxyphenyl)amino)methylene)chromane-2,4-dione (CAS 95522-73-9)
- N1-Ethyl-N3,N3-dipropyl-1,3-propanediamine (CAS 1040691-55-1)
- Methyl phthalazine-1-carboxylate (CAS 1241675-22-8)
- 2-(2,4-Difluorophenoxy)pyridine-4-carbonitrile (CAS 924832-54-2)
- 2,3,5-Tri-O-benzyl-D-arabinose, 95% (CAS 160549-10-0)
- 4-Iodo-2-nitro-5-(trifluoromethoxy)pyridine-3-carbonyl chloride (CAS 1804481-01-3)
- 5-(4-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)phenyl)-4-ethyl-2,4-dihydro-3H-1,2,4-triazol-3-one (CAS 1092343-50-4)
- 107444-51-9 0JS9125PIZ Glucagon-like peptide 1 (7-36) Glucagon-related peptide 1 (Rana catesbeiana), 3-L-glutamic acid-10-L-valine-16-glycine-17-L-glutamine-23-L-isoleucine-24-L-alanine-27-L-valine-30-L-argininamide-31-de-L-proline-32-de-L-lysine- Glp-I (7-36) Proglucagon (78-107) Human glucagon-like peptide-1-(7-36) amide Human GLP-1-(7-36)-amide Glucagon-like peptide-I(7-36) amide Rat GLP-I(7-36)amide Insulinotropin (human) MKC 253 UNII-0JS9125PIZ (CAS 107444-51-9)
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 13829788188 / jacky.chen@cato-chem.com