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(C5(CH3)5)W(CO)2P(C6H2(CH3)3)W(CO)2(P(C6H2(CH3)3)H2)(C5(CH3)5) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

143733-40-8

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143733-40-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143733-40-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,7,3 and 3 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 143733-40:
(8*1)+(7*4)+(6*3)+(5*7)+(4*3)+(3*3)+(2*4)+(1*0)=118
118 % 10 = 8
So 143733-40-8 is a valid CAS Registry Number.
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