1,4-Bis[(trimethylsilyl)ethynyl]benzene CAS 17938-13-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 17938-13-5 |
| Molecular Formula | C16H22Si2 |
| Molecular Weight | 270.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,4-Bis[(trimethylsilyl)ethynyl]benzene (CAS 17938-13-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H22Si2. Molecular weight: 270.52 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H22Si2 |
| Molecular Weight | 270.52 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
Related Bis Standards
- 1,2-Bis((trimethylsilyl)ethynyl)benzene (CAS 73392-23-1)
- 1,3-Bis[(trimethylsilyl)ethynyl]benzene (CAS 38170-80-8)
- Ethyl 1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrazole-4-carboxylate (CAS 1125880-03-6)
- 5-(4-(Trimethylsilyl)phenyl)nicotinic acid (CAS 887973-37-7)
- 6-(4-(Trimethylsilyl)phenyl)picolinic acid (CAS 887982-65-2)
- 9-Methyl-2-(trimethylsilyl)furo[2,3-b]quinolin-4(9H)-one (CAS 223668-18-6)
- 3,5-Bis((trimethylsilyl)ethynyl)pyridine (CAS 267244-88-2)
- ({Bis[(trimethylsilyl)methyl]boranyl}-methyl)trimethylsilane (CAS 18077-26-4)
Recommended Standards
- 2,6-Dichloro-4-cyanobenzene-1-sulfonyl chloride (CAS 1597657-37-8)
- (5-Chloro-2-((neopentyloxy)carbonyl)phenyl)boronicacid (CAS 1315476-05-1)
- 1,1,2,2-Tetramethyl-1,2-diphenyldisilane (CAS 1145-98-8)
- 2,3,5-Trifluorobenzene-1,4-diamine (CAS 512778-65-3)
- 3-[(2-fluorophenyl)amino]propanenitrile (CAS 192811-51-1)
- Metolazone EP Impurity C (CAS 28524-40-5)
- tert-butyl 3-[[4-(2-methoxyacetyl)piperazin-1-yl]methyl]-8-azabicyclo[3.2.1]octane-8-carboxylate (CAS 2177096-46-5)
- 5,5',5'',5'''-Methanetetrayltetrakis(2-bromoaniline) (CAS 1272758-39-0)
- HO-PEG21-OH (CAS 928211-42-1)
- (Des-Bromo)-Neuropeptide B (1-23) (human) (CAS 434897-64-0)
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