100521-12-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100521-12-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,5,2 and 1 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 100521-12:
(8*1)+(7*0)+(6*0)+(5*5)+(4*2)+(3*1)+(2*1)+(1*2)=48
48 % 10 = 8
So 100521-12-8 is a valid CAS Registry Number.