6,6'-Dimethyl-[1,1'-biphenyl]-3,3'-dicarboxylicacid CAS 871897-27-7
| CAS No. | 871897-27-7 |
| Molecular Formula | C16H14O4 |
| Molecular Weight | 270.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
6,6'-Dimethyl-[1,1'-biphenyl]-3,3'-dicarboxylicacid (CAS 871897-27-7) is a high-purity analytical reference standard with the molecular formula C16H14O4 and a molecular weight of 270.28 g/mol.
Structurally, 6,6'-Dimethyl-[1,1'-biphenyl]-3,3'-dicarboxylicacid (C16H14O4) contains a flavonoid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 270.28 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C16H14O4 |
| Molecular Weight | 270.28 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
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- 2-Bromo-4,6-dimethylpyrimidine-5-carbonitrile (CAS 1609291-12-4)
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- 5-Methyl-10-phenyl-5,10-dihydrophenazine (CAS 15546-77-7)
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