1,2-Difluoro-3-trimethylsilylbenzene CAS 138871-01-9
| CAS No. | 138871-01-9 |
| Molecular Formula | C9H12F2Si |
| Molecular Weight | 186.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H12F2Si, 1,2-Difluoro-3-trimethylsilylbenzene contains fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 186.27 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
1,2-Difluoro-3-trimethylsilylbenzene (CAS 138871-01-9), molecular formula C9H12F2Si and molecular weight 186.27 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1,2-Difluoro-3-trimethylsilylbenzene meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C9H12F2Si |
| Molecular Weight | 186.27 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | F-containing |
Related Difluoro Standards
- (R)-1-(3,5-Difluoro-2-methylphenyl)propan-2-ol (CAS 1188412-53-4)
- 5,6-Difluoro-1-N-propylbenzene-1,2-diamine (CAS 1249165-13-6)
- 1,1-difluoro-4-phenylbutan-2-ol 145299-87-2 (CAS 145299-87-2)
- 2,3-Difluoro-1-isopropoxy-4-methylbenzene (CAS 2624417-77-0)
- 2,5-Difluoro-4-thiocyanatoaniline (CAS 1150339-43-7)
- 5,6-Difluoro-1H-benzo[d]imidazole-2(3H)-thione (CAS 123470-47-3)
- 2-(2,4-Difluoro-3-methylphenyl)acetic acid (CAS 1000545-11-8)
- 1-(2,5-Difluoro-4-methoxyphenyl)ethanone (CAS 1010800-85-7)
Recommended Standards
- 1-Cyclohexyl-2-Fluoro-1-Pentanone (CAS 138042-74-7)
- Ethynyl p-tolylsulfone (CAS 13894-21-8)
- {[2-(1-methoxyethyl)-1,3-thiazol-4-yl]methyl}(methyl)amine (CAS 1376284-79-5)
- 2-(Diethoxymethyl)thiophene (CAS 13959-97-2)
- 1-((2R,3S,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-4-(hydroxyimino)-3,4-dihydropyrimidin-2(1H)-one (CAS 13491-41-3)
- 4-Bromo-1-chloro-2-(cyclopentyloxy)benzene (CAS 1280786-86-8)
- 3-Aminoisonicotinamide Monohydrate (CAS 1434128-46-7)
- 2-((4-Bromophenyl)amino)-1-phenylethanol (CAS 91851-17-1)
- 2-[2-(2-methylpiperidin-1-yl)ethoxy]benzoic acid hydrochloride (CAS 1258650-07-5)
- 1187170-66-6 6-Methyl-2-(pentafluorobenzoyl)pyridine MFCD13152634 (CAS 1187170-66-6)
- 3-Amino-1-(thiophen-2-yl)butan-1-ol (CAS 1423027-78-4)
- 3-(Azepan-1-ylmethyl)-5-methoxy-1H-indole (CAS 1951444-90-8)
- Cariprazine Impurity 43 (CAS 1092822-52-0)
- Peptide Impurity 05 (CAS 2322924-83-2)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com