(1,3-Phenylenebis(3-(4-chlorobenzoyl)cyclopropane-2,1-diyl))bis(p-tolylmethanone) CAS 143836-38-8
| CAS No. | 143836-38-8 |
| Molecular Formula | C42H32Cl2O4 |
| Molecular Weight | 671.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, (1,3-Phenylenebis(3-(4-chlorobenzoyl)cyclopropane-2,1-diyl))bis(p-tolylmethanone) (C42H32Cl2O4) contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 26.0, corresponding to approximately 26 ring(s) or double-bond equivalent(s). With a molecular weight of 671.61 g/mol, it falls into the high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
(1,3-Phenylenebis(3-(4-chlorobenzoyl)cyclopropane-2,1-diyl))bis(p-tolylmethanone) (CAS 143836-38-8), molecular formula C42H32Cl2O4 and molecular weight 671.61 g/mol, is a CATO reference standard with documented purity and traceability.
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), (1,3-Phenylenebis(3-(4-chlorobenzoyl)cyclopropane-2,1-diyl))bis(p-tolylmethanone) 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 | C42H32Cl2O4 |
| Molecular Weight | 671.61 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 26.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | Cl-containing |
Related Phenylenebis Standards
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- 3,3'-(1,4-Phenylenebis(oxy))bis(1-(4-(2-phenoxyethyl)piperazin-1-yl)propan-2-ol) (CAS 304873-10-7)
- 4,4',4'',4'''-(1,4-Phenylenebis(pyridine-4,2,6-triyl))tetrabenzoic acid (CAS 1836122-41-8)
- (1,3-Phenylenebis(methylene))bis(triphenylphosphonium) bromide (CAS 10273-74-2)
- 9,9'-(1,4-Phenylenebis(methylene))bis(9H-carbazole-3,6-dicarboxylicacid) (CAS 2439202-98-7)
- 4,4'-(1,4-Phenylenebis(diphenylmethylene))dianiline (CAS 103567-80-2)
- 4,4',4'',4'''-(1,4-Phenylenebis(azanetriyl))tetrabenzoicacid (CAS 873655-81-3)
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Recommended Standards
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- Iodixanol Impurity 5 (CAS CATO-C4X-16635)
- 3-Amino-1-oxo-1,2,5,6,7,8-hexahydroisoquinoline-4-carboxamide (CAS 102873-02-9)
- D(+)-Arabit (CAS 488-82-4)
- 7-Butyl-3,4,9-trihydroxy-8-methoxy-5,10-dioxo-5,10-dihydrobenzo[g]quinoline-2-carboxylic acid (CAS 10088-99-0)
- Methyl 2,3,4,5-tetrahydro-1,4-benzoxazepine-8-carboxylate hydrochloride (CAS 1205750-18-0)
- 2-(6-Bromo-1H-indol-2-yl)acetic acid (CAS 1018635-71-6)
- 2-Cyclopropyl-N-[2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-4-pyridyl]acetamide (CAS 2246833-08-7)
- Sodium 2,6-Dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylate (CAS 154-85-8)
- 1-(3-Bromophenoxy)-2-nitrobenzene (CAS 883106-34-1)
- 4-(3-(4-(Benzyloxy)phenoxy)propoxy)benzaldehyde (CAS 937602-07-8)
- Palmitoyl Pentapeptide-4 (CAS 214047-00-4)
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