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75311-69-2

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75311-69-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75311-69-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,3,1 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 75311-69:
(7*7)+(6*5)+(5*3)+(4*1)+(3*1)+(2*6)+(1*9)=122
122 % 10 = 2
So 75311-69-2 is a valid CAS Registry Number.

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