1,1,1,3,3,3-Hexamethyl-2,2-diphenyltrisilane CAS 18549-83-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 18549-83-2 |
| Molecular Formula | C18H28Si3 |
| Molecular Weight | 328.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1,1,1,3,3,3-Hexamethyl-2,2-diphenyltrisilane (CAS 18549-83-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H28Si3. Molecular weight: 328.67 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C18H28Si3 |
| Molecular Weight | 328.67 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
Related Hexamethyl Standards
- 3,3',3'',4,4',4''-Hexamethyl-2,2':5',2''-terthiophene (CAS 114224-82-7)
- 1,1,1,3,3,3-Hexamethyl-2-phenyl-2-(trimethylsilyl)trisilane (CAS 4235-65-8)
- 5356-84-3 1,1,1,5,5,5-Hexamethyl-3-((trimethylsilyl)oxy)-3-vinyltrisiloxane Trisiloxane, 3-ethenyl-1,1,1,5,5,5-hexamethyl-3-((trimethylsilyl)oxy)- EINECS 226-342-2 (CAS 5356-84-3)
- 1,4,7,10,13,16-hexamethyl-1,4,7,10,13,16-hexaazacyclooctadecane (CAS 79676-97-4)
- Ethyl 1,2,5,6,7,8-hexamethyl-3-thia-4-azatricyclo[3.3.0.02,6]oct-7-ene-4-carboxylate 3,3-dioxide (CAS 20089-09-2)
- 3-(1,1,1,5,5,5-Hexamethyl-3-((trimethylsilyl)oxy)trisiloxan-3-yl)propan-1-amine (CAS 25357-81-7)
- 1,1,3,3,5,5-Hexamethyl-1,5-diphenyltrisiloxane (CAS 17977-72-9)
- 4,4,8,8,12,12-Hexamethyl-8,12-dihydro-4H-benzo[9,1]quinolizino[3,4,5,6,7-defg]acridine (CAS 52066-63-4)
Recommended Standards
- 2-(4-[(4-Chlorophenyl)methyl]phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1870804-20-8)
- 2-chloro-3-{[({[3-(trifluoromethyl)phenyl]methylene}amino)oxy]carbonyl}pyridine (CAS 680215-42-3)
- 2-Bromo-3-((4-chlorophenyl)amino)-5,5-dimethylcyclohex-2-en-1-one (CAS 1024132-08-8)
- 1-(Aminomethyl)-4-(tert-butyl)cyclohexan-1-ol hydrochloride (CAS 91249-23-9)
- (1-(5-Fluoropyrimidin-2-yl)piperidin-4-yl)methanamine hydrochloride (CAS 1261231-09-7)
- (4-Chlorophenyl)(thiophen-2-yl)methanamine hydrochloride (CAS 1173251-06-3)
- 2-Chloro-N-(4-iodophenyl)acetamide (CAS 2564-00-3)
- 1,3-Dimethyl-5-(3-nitrophenyl)benzene (CAS 337973-04-3)
- 2-(5-Amino-3-isopropyl-1H-pyrazol-1-yl)-6-methylpyrimidin-4(3H)-one (CAS 1416346-77-4)
- Semaglutide Impurity 176 (CAS CATO-C4X-2226176)
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