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26439-16-7

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26439-16-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 26439-16-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,4,3 and 9 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 26439-16:
(7*2)+(6*6)+(5*4)+(4*3)+(3*9)+(2*1)+(1*6)=117
117 % 10 = 7
So 26439-16-7 is a valid CAS Registry Number.

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