4-(4-(4-Chlorophenoxy)-5-methyl-1H-pyrazol-3-yl)benzene-1,3-diol CAS 308298-51-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 308298-51-3 |
| Molecular Formula | C16H13ClN2O3 |
| Molecular Weight | 316.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(4-(4-Chlorophenoxy)-5-methyl-1H-pyrazol-3-yl)benzene-1,3-diol (CAS 308298-51-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H13ClN2O3. Molecular weight: 316.74 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H13ClN2O3 |
| Molecular Weight | 316.74 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| 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 | 2 |
Related Chlorophenoxy Standards
- 3-(2-Chlorophenoxy)-7-hydroxy-2,8-dimethyl-4h-chromen-4-one (CAS 1049606-62-3)
- 1-(3-Chlorophenoxy)-2-nitro-4-(trifluoromethyl)benzene (CAS 500535-61-5)
- 1-(4-Chlorophenoxy)-2-Nitro-4-(Trifluoromethyl)Benzene (CAS 322-75-8)
- 1-(4-Chlorophenoxy)-4-nitro-2-(trifluoromethyl)benzene (CAS 21802-08-4)
- 3-(4-Chlorophenoxy)-5-trifluoromethylpyridine-2-carboxylic acid (CAS 2088942-49-6)
- 4-(4-Chlorophenoxy)-N,N-dimethyl-6-(trifluoromethyl)pyrimidin-2-amine (CAS 338792-32-8)
- 2-(4-Chlorophenoxy)-N-(pyrazolo[1,5-a]pyridin-3-ylmethyl)acetamide (CAS 1396557-92-8)
- 1-[2-(2-chlorophenoxy)ethyl]-1h-indole-2-carboxylic acid (CAS 1423032-59-0)
Recommended Standards
- 4-((6-Chloropyridin-3-yl)oxy)-6,7-dimethoxyquinoline (CAS 666731-22-2)
- 4-(5-Chloro-2-methoxybenzoyl)-3,4-dihydroquinoxalin-2(1H)-one (CAS 927172-08-5)
- 3-(5-(3-Chlorophenyl)furan-2-yl)-2-cyano-N-(2-hydroxyethyl)acrylamide (CAS 313226-62-9)
- Ethyl 4-ethoxy-2,5-difluorobenzoate (CAS 1823562-23-7)
- 2-((1-Benzyl-1H-benzo[d]imidazol-2-yl)thio)acetic acid (CAS 314036-23-2)
- N4-methylcytidine Phosphoramidite (CAS CATO-C4X-288612)
- N-(5-(4-Acetylpiperazin-1-yl)pyridin-2-yl)-2-(2'-fluoro-3-methyl-[2,4'-bipyridin]-5-yl)acetamide (CAS 1243245-18-2)
- 5-Amino-N-[(4-methylphenyl)methyl]-1h-pyrazole-4-carboxamide (CAS 1187064-56-7)
- 6,7-Dihydro-[1,2,4]triazolo[4,3-a]pyridin-8(5H)-one (CAS 1710416-83-3)
- Semaglutide impurity 236 (CAS CATO-C4X-2226236)
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