4-Chloro-4''-methoxy-[1,1':3',1''-terphenyl]-5'-ol CAS 115752-50-6
| CAS No. | 115752-50-6 |
| Molecular Formula | C19H15ClO2 |
| Molecular Weight | 310.77 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 4-Chloro-4''-methoxy-[1,1':3',1''-terphenyl]-5'-ol 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.
CATO supplies 4-Chloro-4''-methoxy-[1,1':3',1''-terphenyl]-5'-ol (CAS 115752-50-6), a certified reference material (molecular formula C19H15ClO2, MW 310.77 g/mol) for analytical method development and quality control.
Structurally, 4-Chloro-4''-methoxy-[1,1':3',1''-terphenyl]-5'-ol (C19H15ClO2) contains a steroid core, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 310.77 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 | C19H15ClO2 |
| Molecular Weight | 310.77 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
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Recommended Standards
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- 1-(3,5-Dichlorophenyl)-2,6-dimethyl-4,5,6,7-tetrahydro-1H-indol-4-one (CAS 1022480-78-9)
- Labetalol Impurity 69 (CAS CATO-C4X-246669)
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- 5-(1-Methyl-1h-pyrazol-4-yl)pyridine-3-carboxylic acid (CAS 1055971-67-9)
- Liraglutide Impurity 22 (CAS 536721-25-2)
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 18665070610 / Nicole.chen@cato-chem.com