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3-Ethyl-1,2,3,4,5-pentamethyl-6-methylen-1,4-cyclohexadien is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

22398-11-4

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22398-11-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22398-11-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,3,9 and 8 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 22398-11:
(7*2)+(6*2)+(5*3)+(4*9)+(3*8)+(2*1)+(1*1)=104
104 % 10 = 4
So 22398-11-4 is a valid CAS Registry Number.

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