1,1-Bis(trimethylsilyl)-3-(4-fluorophenyl)-2-thiourea CAS 71457-03-9
| CAS No. | 71457-03-9 |
| Molecular Formula | C13H23FN2SSi2 |
| Molecular Weight | 314.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1,1-Bis(trimethylsilyl)-3-(4-fluorophenyl)-2-thiourea.
CATO supplies 1,1-Bis(trimethylsilyl)-3-(4-fluorophenyl)-2-thiourea (CAS 71457-03-9), a certified reference material (molecular formula C13H23FN2SSi2, MW 314.57 g/mol) for analytical method development and quality control.
Based on its molecular formula C13H23FN2SSi2, 1,1-Bis(trimethylsilyl)-3-(4-fluorophenyl)-2-thiourea contains a nitrile group, sulfur-containing functionality, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 314.57 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 1,1-Bis(trimethylsilyl)-3-(4-fluorophenyl)-2-thiourea under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C13H23FN2SSi2 |
| Molecular Weight | 314.57 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1977 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Bis Standards
- 1,1-Bis(trimethylsilyl)-3-(3-fluorophenyl)-2-thiourea (CAS 71457-02-8)
- Tris(trimethylsilyl) Phosphate (CAS 10497-05-9)
- 2-{2-[4-(trimethylsilyl)-1H-1,2,3-triazol-1-yl]ethyl}-2,3-dihydro-1H-isoindole-1,3-dione (CAS 1461706-40-0)
- Bis(4-(trimethylsilyl)phenyl)amine (CAS 915406-65-4)
- 2,4-Bis((trimethylsilyl)oxy)furo[3,4-d]pyrimidin-7(5H)-one (CAS 89000-18-0)
- 2-Methyl-6-(trimethylsilyl)phenyl trifluoromethanesulfonate (CAS 556812-44-3)
- 4-Methyl-2-(trimethylsilyl)phenyl trifluoromethanesulfonate (CAS 262373-15-9)
- N-(9-(Trimethylsilyl)-9H-purin-6-yl)benzamide (CAS 60855-35-8)
Recommended Standards
- 2-Bromo-7-(3-chlorophenoxy)-6,7-dihydro-5H-pyrrolo[1,2-b][1,2,4]triazole (CAS 2443488-13-7)
- 1-(4-bromobenzyl)-5-methyl-1H-1,2,3-triazole-4-carbonyl chloride (CAS 952182-50-2)
- 2-Bromo-7-(4-chlorophenoxy)-6,7-dihydro-5H-pyrrolo[1,2-b][1,2,4]triazole (CAS 2443488-10-4)
- (Oxybis(2,1-phenylene))bis(trimethylsilane) (CAS 18055-73-7)
- 1-(2-Methoxybenzyl)-7-methylspiro[indoline-3,2'-[1,3]dioxan]-2-one (CAS 853751-64-1)
- Methyl 2-methyl-6-(4-methylpiperazin-1-yl)nicotinate (CAS 1355174-05-8)
- 3-Iodo-4,6-dinitro-1H-indazole (CAS 885519-43-7)
- Methyl (S)-2-amino-3-(2-fluoro-4-methylphenyl)propanoate (CAS 1213632-12-2)
- 5-(2,3-Dimethoxybenzylidene)-2-(p-tolyl)thiazolo[3,2-b][1,2,4]triazol-6(5H)-one (CAS 606950-16-7)
- 2-(1,1,2,3,3,3-Hexafluoropropyl)tetrahydrofuran (CAS 53005-42-8)
- 1-(4-methylphenyl)-3-(propan-2-yl)-1H-pyrazol-5-amine (CAS 1154569-98-8)
- A498ZC6Z4F 591-82-2 Isobutyl isothiocyanate Isothiocyanic acid, isobutyl ester 2-Methylpropyl isothiocyanate Propane, 1-isothiocyanato-2-methyl- (9CI) 4-04-00-00653 (Beilstein Handbook Reference) BRN 1740371 i-Butyl isothiocyanate EINECS 209-733-2 1-Isothiocyanato-2-methylpropane UNII-A498ZC6Z4F (CAS 591-82-2)
- 3-Chloro-2-fluoro-4-hydroxybenzoic acid (CAS 860296-15-7)
- Des-Ile17-Tirzepatide (CAS CATO-CPTD788956)
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