3,3'-Dimethyl-[1,1'-biphenyl]-2,2'-dicarboxylic acid CAS 93012-35-2
| CAS No. | 93012-35-2 |
| Molecular Formula | C16H14O4 |
| Molecular Weight | 270.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3,3'-Dimethyl-[1,1'-biphenyl]-2,2'-dicarboxylic acid 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.
3,3'-Dimethyl-[1,1'-biphenyl]-2,2'-dicarboxylic acid (CAS 93012-35-2), molecular formula C16H14O4 and molecular weight 270.28 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3,3'-Dimethyl-[1,1'-biphenyl]-2,2'-dicarboxylic acid (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 presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 | 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.) | 1983 |
Related Dimethyl Standards
- 3-[(5,6-dimethyl-1H-1,3-benzodiazol-1-yl)methyl]furan-2-carboxylic acid (CAS 1094299-09-8)
- 2,2'-Dimethyl-[1,1'-biphenyl]-4,4'-dicarboxylic acid (CAS 117490-52-5)
- Dimethyl [1,1'-biphenyl]-3,3'-dicarboxylate (CAS 1751-97-9)
- 3,5-Dimethyl-N-(3-nitrophenyl)benzamide (CAS 478048-26-9)
- 6,6'-Dimethyl-[1,1'-biphenyl]-3,3'-dicarboxylicacid (CAS 871897-27-7)
- Dimethyl [1,1-biphenyl]-2,4-dicarboxylate (CAS 55676-77-2)
- Dimethyl [1,1'-biphenyl]-2,2'-dicarboxylate (CAS 5807-64-7)
- Dimethyl [1,1'-biphenyl]-3,5-dicarboxylate (CAS 21991-00-4)
Recommended Standards
- 3,3'-Dimethoxy-[1,1'-biphenyl]-4,4'-dicarbaldehyde (CAS 27343-98-2)
- Nudol (CAS 86630-46-8)
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- 3-(Furan-2-ylmethylene)-5-methylfuran-2(3H)-one (CAS 38786-39-9)
- 1-(Pyridin-2-ylmethyl)piperidin-3-ol (CAS 200113-14-0)
- Ethyl 3-ethylpent-2-enoate (CAS 15249-93-1)
- (S)-2-(3-(N-Ethylacetamido)pyrrolidin-1-yl)acetic acid (CAS 1354009-61-2)
- 3,3-Dimethyl-1-(oxetan-3-yl)piperazine (CAS 1257294-74-8)
- 2-Methanesulfonamido-4-methylpentanoic acid (CAS 721444-62-8)
- 2-Methyl-2-(3-methyl-4-nitro-pyrazol-1-yl)propanenitrile (CAS 2098581-80-5)
- 2-Thia-9-azaspiro[5.5]undecane (CAS 937723-33-6)
- 6-Bromo-2,3-difluoro-4-hydroxybenzaldehyde (CAS 2010955-48-1)
- 3-(4-hydroxyphenyl)-5H,6H,7H,8H-[1,2,4]triazolo[4,3-a]pyridine-6-carboxylic acid (CAS 1517390-24-7)
- Neuropeptide W-23 (human) (CAS 383415-79-0)
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