521086-73-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 521086-73-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,2,1,0,8 and 6 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 521086-73:
(8*5)+(7*2)+(6*1)+(5*0)+(4*8)+(3*6)+(2*7)+(1*3)=127
127 % 10 = 7
So 521086-73-7 is a valid CAS Registry Number.