4,4''-Dichloro-5'-(4-chlorophenyl)-1,1':3',1''-terphenyl CAS 6326-61-0
| CAS No. | 6326-61-0 |
| Molecular Formula | C24H15Cl3 |
| Molecular Weight | 409.73 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4,4''-Dichloro-5'-(4-chlorophenyl)-1,1':3',1''-terphenyl 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 4,4''-Dichloro-5'-(4-chlorophenyl)-1,1':3',1''-terphenyl (CAS 6326-61-0), a certified reference material (molecular formula C24H15Cl3, MW 409.73 g/mol) for analytical method development and quality control.
Structurally, 4,4''-Dichloro-5'-(4-chlorophenyl)-1,1':3',1''-terphenyl (C24H15Cl3) contains chlorine substitution, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 16.0, corresponding to approximately 16 ring(s) or double-bond equivalent(s). With a molecular weight of 409.73 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C24H15Cl3 |
| Molecular Weight | 409.73 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
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- 1-(4-Chlorophenyl)-2,6-dioxo-N-(3-(trifluoromethyl)phenyl)-1,2,3,6-tetrahydropyrimidine-4-carboxamide (CAS 861212-24-0)
- 8-Methoxy-2,2,4-trimethyl-1,2,3,4-tetrahydroquinoline (CAS 18339-46-3)
- (R)-2-Amino-3-(thiazol-2-yl)propanoic acid (CAS 134235-87-3)
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- 3-(Benzyloxy)isothiazole-5-carbaldehyde (CAS 415724-80-0)
- Tiocarbazil (CAS 36756-79-3)
- (R)-Benzyl ethyl(pyrrolidin-3-yl)carbamate (CAS 1354001-87-8)
- 3-Bromo-4-fluorobenzonitrile (CAS 79630-23-2)
- 6-Bromo-3-methyl-1H-pyrazolo[4,3-c]pyridine (CAS 1638766-93-4)
- (1S,2S)-2,6-dimethyl-2,3-dihydro-1H-inden-1-ol (CAS 945613-46-7)
- Peptide Impurity 34 (CAS 21282-09-7)
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