4-Hydroxy-6-{2'-hydroxy-[1,1'-biphenyl]-4-yl}-2-oxo-1,2-dihydroquinoline-3-carbonitrile CAS 1179347-23-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1179347-23-9 |
| Molecular Formula | C22H14N2O3 |
| Molecular Weight | 354.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Hydroxy-6-{2'-hydroxy-[1,1'-biphenyl]-4-yl}-2-oxo-1,2-dihydroquinoline-3-carbonitrile (CAS 1179347-23-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C22H14N2O3. Molecular weight: 354.36 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C22H14N2O3 |
| Molecular Weight | 354.36 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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 2 |
Related Hydroxy Standards
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Recommended Standards
- Methyl 6-((5-cyanopyrazin-2-yl)amino)-4-(methyl(3-methyloxetan-3-yl)amino)nicotinate (CAS 1137476-04-0)
- tert-Butyl 4-(3-(methoxycarbonyl)-4-nitro-1h-pyrazol-1-yl)piperidine-1-carboxylate (CAS 1287670-36-3)
- 6-(4-Fluorophenyl)-2-((3-(thiophen-2-yl)-1,2,4-oxadiazol-5-yl)methyl)pyridazin-3(2H)-one (CAS 1105196-45-9)
- 4-(3-cyclopropyl-1,2,4-oxadiazol-5-yl)-4-methoxypiperidine hydrochloride (CAS 1803562-35-7)
- (1-(Pyridin-2-ylmethyl)cyclopropyl)methanol (CAS 1893758-81-0)
- 1-(2-Cyclopropyl-6-methylpyrimidin-4-yl)-1,4-diazepane (CAS 1708013-46-0)
- 4-iso-Propylaniline-2,3,5,6-d4 (CAS 1219804-95-1)
- 1-(Azidomethyl)-3,5-difluorobenzene (CAS 622372-77-4)
- 7-tert-butyl 6-ethyl 2-bromo-5H,6H,7H,8H-[1,2,4]triazolo[1,5-a]pyrazine-6,7-dicarboxylate (CAS 1250992-93-8)
- Semaglutide impurity 40 (CAS CATO-C4X-222640)
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