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(2E,4E)-5-p-Tolyl-penta-2,4-dienoic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

33356-68-2

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33356-68-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33356-68-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,3,5 and 6 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 33356-68:
(7*3)+(6*3)+(5*3)+(4*5)+(3*6)+(2*6)+(1*8)=112
112 % 10 = 2
So 33356-68-2 is a valid CAS Registry Number.

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