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(E)-3-Ethyl-2,2-dimethyl-3-pentenal is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

210690-71-4

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210690-71-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 210690-71-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,0,6,9 and 0 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 210690-71:
(8*2)+(7*1)+(6*0)+(5*6)+(4*9)+(3*0)+(2*7)+(1*1)=104
104 % 10 = 4
So 210690-71-4 is a valid CAS Registry Number.

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