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4-iodo-1,3-dimethylnaphthalene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

156746-78-0

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156746-78-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 156746-78-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,7,4 and 6 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 156746-78:
(8*1)+(7*5)+(6*6)+(5*7)+(4*4)+(3*6)+(2*7)+(1*8)=170
170 % 10 = 0
So 156746-78-0 is a valid CAS Registry Number.

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