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22768-99-6

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22768-99-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22768-99-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,7,6 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 22768-99:
(7*2)+(6*2)+(5*7)+(4*6)+(3*8)+(2*9)+(1*9)=136
136 % 10 = 6
So 22768-99-6 is a valid CAS Registry Number.

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