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Acetamide, N-[3-(chloromethyl)-2,4,6-triiodophenyl]-N-methyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

20020-71-7

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20020-71-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20020-71-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,0,2 and 0 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 20020-71:
(7*2)+(6*0)+(5*0)+(4*2)+(3*0)+(2*7)+(1*1)=37
37 % 10 = 7
So 20020-71-7 is a valid CAS Registry Number.
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