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2-methoxy-1-(2-methoxyethenyl)naphthalene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

56679-90-4

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56679-90-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 56679-90-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,6,7 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 56679-90:
(7*5)+(6*6)+(5*6)+(4*7)+(3*9)+(2*9)+(1*0)=174
174 % 10 = 4
So 56679-90-4 is a valid CAS Registry Number.

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