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7a-methyl-1,2,3,7a-tetrahydro-inden-5-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

22416-99-5

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22416-99-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22416-99-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,4,1 and 6 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 22416-99:
(7*2)+(6*2)+(5*4)+(4*1)+(3*6)+(2*9)+(1*9)=95
95 % 10 = 5
So 22416-99-5 is a valid CAS Registry Number.

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