4,4''-Dimethyl-[1,1':4',1''-terphenyl]-2',5'-dicarbaldehyde CAS 850859-98-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 850859-98-2 |
| Molecular Formula | C22H18O2 |
| Molecular Weight | 314.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,4''-Dimethyl-[1,1':4',1''-terphenyl]-2',5'-dicarbaldehyde (CAS 850859-98-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C22H18O2. Molecular weight: 314.38 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C22H18O2 |
| Molecular Weight | 314.38 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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.) | 1987 |
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Recommended Standards
- 4,4'-Bis(2-methyl-1H-imidazol-1-yl)-1,1'-biphenyl (CAS 2426618-95-1)
- 4,5,5-Triphenyldihydrofuran-2(3H)-one (CAS 57697-68-4)
- 4,4'-(1-Methyl-1H-benzo[d]imidazole-4,7-diyl)dianiline (CAS 2757731-54-5)
- 2-Chloro-5-(1-isopropylpyrrolidin-2-yl)-3-methylpyridine (CAS 1352537-39-3)
- Ethyl 2-(2-oxo-1,2-dihydro-3H-indol-3-ylidene)acetate (CAS 910035-64-2)
- Acalabrutinib Impurity 24 (CAS 2097352-14-0)
- Saccharin Calcium (150 mg) (CAS 6485-34-3)
- 1-(2-(6-(Dimethylamino)-4-methylpyridin-3-yl)pyrrolidin-1-yl)ethanone (CAS 1352523-20-6)
- Methyl 3-(4-isopropylphenyl)-3-oxopropanoate (CAS 1226169-30-7)
- D-Leu14-Tirzepatide (CAS CATO-CPTD788920)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com