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2P(C6H5)4(1+)*{Se3W(Se)(Se)2WSe3(Se)}(2-)={P(C6H5)4}2{W2Se10} is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

106905-81-1

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106905-81-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 106905-81-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,6,9,0 and 5 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 106905-81:
(8*1)+(7*0)+(6*6)+(5*9)+(4*0)+(3*5)+(2*8)+(1*1)=121
121 % 10 = 1
So 106905-81-1 is a valid CAS Registry Number.

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