Methyl-bis-trifluoromethyl-wismut, also known as methyl-bis(trifluoromethyl)-wismut or Me2W(CF3)4, is a chemical compound consisting of a central tungsten (W) atom bonded to two methyl (CH3) groups and four trifluoromethyl (CF3) groups. This organometallic compound is characterized by its unique structure, where the tungsten atom is surrounded by a total of six ligands, forming an octahedral geometry. Methyl-bis-trifluoromethyl-wismut is of interest in the field of organometallic chemistry, particularly for its potential applications in catalysis and as a precursor for the synthesis of other tungsten-containing compounds. Its stability and reactivity are influenced by the strong electron-withdrawing nature of the trifluoromethyl groups, which can affect the electronic properties and bonding characteristics of the molecule.

684-13-9

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Basic information
1. Product Name: Methyl-bis-trifluormethyl-wismut
2. Synonyms: Methyl-bis-trifluormethyl-wismut
3. CAS NO:684-13-9
4. Molecular Formula:
5. Molecular Weight: 362.028
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: Methyl-bis-trifluormethyl-wismut(CAS DataBase Reference)
10. NIST Chemistry Reference: Methyl-bis-trifluormethyl-wismut(684-13-9)
11. EPA Substance Registry System: Methyl-bis-trifluormethyl-wismut(684-13-9)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 684-13-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 684-13-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,8 and 4 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 684-13:
(5*6)+(4*8)+(3*4)+(2*1)+(1*3)=79
79 % 10 = 9
So 684-13-9 is a valid CAS Registry Number.

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