4,4'-((2,3,5,6-Tetramethyl-1,4-phenylene)bis(ethyne-2,1-diyl))dipyridine CAS 918801-05-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 918801-05-5 |
| Molecular Formula | C24H20N2 |
| Molecular Weight | 336.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 4,4'-((2,3,5,6-Tetramethyl-1,4-phenylene)bis(ethyne-2,1-diyl))dipyridine (CAS 918801-05-5) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C24H20N2. Molecular weight: 336.43 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C24H20N2 |
| Molecular Weight | 336.43 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
Related Tetramethyl Standards
- 3,3,3',3'-Tetramethyl-2,2',3,3'-tetrahydro-1,1'-spirobi[indene]-5,5',6,6'-tetraone (CAS 38475-60-4)
- 2,2,3,3-Tetramethyl-4,7,10,13-tetraoxa-3-silahexadecan-16-oic acid (CAS 1807540-77-7)
- 4,4,5,5-Tetramethyl-2-(3-nonylthiophen-2-yl)-1,3,2-dioxaborolane (CAS 2096339-01-2)
- 4,4,5,5-Tetramethyl-2-(4-nonylthiophen-2-yl)-1,3,2-dioxaborolane (CAS 2096332-33-9)
- 3-[1-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)ethenyl]dibenzothiophene (CAS 2559765-34-1)
- 2-[4-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-pyrazol-1-yl]-butyric acid tert-butyl ester (CAS 1940181-12-3)
- 2-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)pyrazolo[1,5-a]pyrimidin-7-amine (CAS 942589-66-4)
- 2-(((4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)oxy)methyl)benzonitrile (CAS 1346708-12-0)
Recommended Standards
- 4-(Pyrimidin-2-ylthio)-5-(p-tolyl)thieno[2,3-d]pyrimidine (CAS 851467-69-1)
- 4,4'-((5-(tert-Butyl)-1,3-phenylene)bis(ethyne-2,1-diyl))dipyridine (CAS 2568147-04-4)
- 4-(4-Methoxyphenyl)-1-phenyl-3-[(pyrrolidin-1-yl)methyl]azetidin-2-one (CAS 478049-92-2)
- 3-Fluoro-[2,3'-bipyridine]-4-carbonitrile (CAS 923012-48-0)
- 3-Amino-6-(3-methoxyphenyl)-4-(trifluoromethyl)thieno[2,3-b]pyridine-2-carbonitrile (CAS 625377-35-7)
- N-benzylpiperidine-4-carboxamide (CAS 101264-48-6)
- Methyl 3-(4-bromophenyl)oxetane-3-carboxylate (CAS 1423702-65-1)
- 1-(5-bromo-2-methoxyphenyl)pyrrolidine (CAS 1541478-33-4)
- 2'-Fluoro-4'-methoxy-[1,1'-biphenyl]-3-carboxylic acid (CAS 1182754-74-0)
- D-Ala28-Tirzepatide (CAS CATO-CPTD788906)
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