1,5-Bis(5-hydroxy-2-methylphenyl)pentan-3-one CAS 2050057-64-0
| CAS No. | 2050057-64-0 |
| Molecular Formula | C19H22O3 |
| Molecular Weight | 298.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 1,5-Bis(5-hydroxy-2-methylphenyl)pentan-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.
CATO supplies 1,5-Bis(5-hydroxy-2-methylphenyl)pentan-3-one (CAS 2050057-64-0), a certified reference material (molecular formula C19H22O3, MW 298.38 g/mol) for analytical method development and quality control.
Based on its molecular formula C19H22O3, 1,5-Bis(5-hydroxy-2-methylphenyl)pentan-3-one contains a steroid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 298.38 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C19H22O3 |
| Molecular Weight | 298.38 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
Related Bis Standards
- 2-(((4-Hydroxy-6-isopropylthieno[2,3-d]pyrimidin-2-yl)methyl)thio)acetic acid (CAS 1144489-45-1)
- 2-Hydroxy-4-n-hexyloxybenzophenone (CAS 3293-97-8)
- (2S)-7-hydroxy-2-(4-hydroxyphenyl)-5-methoxy-chroman-4-one 61775-19-7 CTK2F6812 (CAS 61775-19-7)
- N-(2-Hydroxy-ethyl)-3-(pyrrolidine-1-sulfonyl)-benzamide (CAS 379254-38-3)
- 4-Hydroxy-1-(6-quinolinylcarbonyl)-4-piperidineacetaldehyde (CAS 1258652-76-4)
- 4-(1-Butyl-6-hydroxy-1H-indazol-3-yl)benzene-1,3-diol (CAS 680610-77-9)
- 4-[2-(4-Hydroxy-3-methylphenyl)-4-methylpentan-2-yl]-2-methylphenol (CAS 50628-55-2)
- cis-3-Hydroxy-1-(4-methoxybenzyl)-5-(pyridin-3-yl)pyrrolidin-2-one (CAS 359436-86-5)
Recommended Standards
- 1,3-Di-p-tolylisobenzofuran (CAS 62422-95-1)
- 1’-cyclopentyl-6’-oxo-1’,5’,6’,7’-tetrahydrospiro[cyclohexane-1,4’-pyrazolo[3,4-b]pyridine]-5’-carbonitrile (CAS 923152-34-5)
- 1,3-Di(isoquinolin-1-yl)propane (CAS 67258-26-8)
- 1-Boc-4-(morpholine-4-carbonyl)piperidine (CAS 757949-39-6)
- 4-Methanesulfonyl-2-[(2-methoxyphenyl)formamido]butanoic acid (CAS 1032039-85-2)
- (2S)-2-((S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-4-methylpentanamido)-3-hydroxybutanoic acid (CAS CATO-CPTD788881)
- Trihexylphosphine (CAS 4168-73-4)
- 3-Bromo-2-(bromomethyl)-1-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-1H-indole (CAS 344277-84-5)
- 2-Thia-1-azabicyclo[2.2.1]heptane-4-carboxylic acid 2,2-dioxide (CAS 2377031-45-1)
- 4-Iodo-N,N,1-trimethyl-1H-pyrazole-3-carboxamide (CAS 1713589-33-3)
- Methyl 2-cyclobutyl-2-phenylacetate (CAS 123078-52-4)
- 1-(3-Bromofuran-2-yl)-2,2,2-trifluoroethanone (CAS 1343152-18-0)
- tert-Butyl (R)-(1-(aminooxy)propan-2-yl)carbamate (CAS 953773-59-6)
- (Des-His1,Glu?)-Glucagon (1-29) amide (human, rat, porcine) (CAS 110084-95-2)
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