71933-63-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71933-63-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,9,3 and 3 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 71933-63:
(7*7)+(6*1)+(5*9)+(4*3)+(3*3)+(2*6)+(1*3)=136
136 % 10 = 6
So 71933-63-6 is a valid CAS Registry Number.