Tris(3-chlorophenyl)gallium CAS 58448-02-5
| CAS No. | 58448-02-5 |
| Molecular Formula | C18H12Cl3Ga |
| Molecular Weight | 404.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Tris(3-chlorophenyl)gallium.
Tris(3-chlorophenyl)gallium (CAS 58448-02-5), molecular formula C18H12Cl3Ga and molecular weight 404.37 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Tris(3-chlorophenyl)gallium (C18H12Cl3Ga) contains chlorine substitution, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 11.5, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 404.37 g/mol, it falls into the moderately-high-molecular-weight range. 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.
As a certified reference material (CRM), Tris(3-chlorophenyl)gallium 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.
Physical & Chemical Properties
| Molecular Formula | C18H12Cl3Ga |
| Molecular Weight | 404.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Halogen Content | Cl-containing |
Related Tris Standards
- Tris(2-chlorophenyl)gallium (CAS 58448-04-7)
- Tris(4-chlorophenyl)gallium (CAS 58447-99-7)
- (2Z)-2-(3-Chlorophenyl)-3-[2-(4-chlorophenyl)-7-methylimidazo[1,2-a]pyridin-3-yl]prop-2-enenitrile (CAS 477847-66-8)
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- 2-(2-Chlorophenyl)-1-((2,4-dichlorobenzyl)oxy)-1H-imidazo[4,5-b]pyridine (CAS 400087-65-2)
- 2-(2-Chlorophenyl)-1-((2,6-dichlorobenzyl)oxy)-1H-imidazo[4,5-b]pyridine (CAS 339028-53-4)
- 2-(2-Chlorophenyl)-1-[(3,4-dichlorophenyl)methoxy]-1H-imidazo[4,5-b]pyridine (CAS 339028-56-7)
- 2-(4-Chlorophenyl)-1-((2,4-dichlorobenzyl)oxy)-1H-imidazo[4,5-b]pyridine (CAS 339010-05-8)
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