Tris(ethylthio)methylsilane, also known as (ethylthio)methylsilane or C6H16SSi, is an organosilicon compound characterized by a central silicon atom bonded to three ethylthio groups and one methyl group. This colorless liquid is an important reagent in organic synthesis, particularly in the formation of carbon-sulfur bonds. It is used as a protecting group for thiols and as a coupling agent in the synthesis of various organosulfur compounds. Due to its reactivity, it is often handled under an inert atmosphere to prevent unwanted side reactions. Tris(ethylthio)methylsilane is also known for its stability and is used in the preparation of a wide range of sulfur-containing pharmaceuticals and agrochemicals.

71520-43-9

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Basic information
1. Product Name: tris(ethylthio)methylsilane
2. Synonyms: tris(ethylthio)methylsilane
3. CAS NO:71520-43-9
4. Molecular Formula:
5. Molecular Weight: 226.503
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: tris(ethylthio)methylsilane(CAS DataBase Reference)
10. NIST Chemistry Reference: tris(ethylthio)methylsilane(71520-43-9)
11. EPA Substance Registry System: tris(ethylthio)methylsilane(71520-43-9)
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: 71520-43-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 71520-43-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,5,2 and 0 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 71520-43:
(7*7)+(6*1)+(5*5)+(4*2)+(3*0)+(2*4)+(1*3)=99
99 % 10 = 9
So 71520-43-9 is a valid CAS Registry Number.

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