2',5'-Dimethyl-[1,1':4',1''-terphenyl]-4,4''-dicarboxylic acid CAS 115213-33-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 115213-33-7 |
| Molecular Formula | C22H18O4 |
| Molecular Weight | 346.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2',5'-Dimethyl-[1,1':4',1''-terphenyl]-4,4''-dicarboxylic acid (CAS 115213-33-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C22H18O4. Molecular weight: 346.38 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C22H18O4 |
| Molecular Weight | 346.38 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
Related Dimethyl Standards
- 4,4''-Dimethyl-[1,1':4',1''-terphenyl]-2',5'-dicarboxylicacid (CAS 1352791-01-5)
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Recommended Standards
- 2,2',2''-(1,4,7,10-Tetraazacyclododecane-1,4,7-triyl)triacetic acid (CAS 114873-37-9)
- 2-(1-Boc-4-piperidyl)pyrazolo[1,5-a]pyrimidine-6-carboxylic Acid (CAS 1169564-04-8)
- 2',5'-dimethoxy-[1,1':4',1''-terphenyl]-4,4''-dicarbaldehyde (CAS 111759-27-4)
- 2-((2-Cyanophenyl)sulfonyl)-N-isopropylbenzamide (CAS 477885-85-1)
- 2-((5-Phenyl-1H-pyrazol-4-yl)methylene)malononitrile (CAS 477710-85-3)
- 1-(3-Methylphenyl)-3-azabicyclo[3.1.0]hexane HCl (CAS 66504-52-7)
- 4-Methylchrysene (CAS 3351-30-2)
- Butylphthalide Impurity 47 (CAS 380905-48-6)
- Eldecalcitol Impurity 68 (CAS CATO-C4X-214068)
- Prolactin-Releasing Peptide (1-31) (human) (CAS 215510-22-8)
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