1213830-61-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1213830-61-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,3,8,3 and 0 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1213830-61:
(9*1)+(8*2)+(7*1)+(6*3)+(5*8)+(4*3)+(3*0)+(2*6)+(1*1)=115
115 % 10 = 5
So 1213830-61-5 is a valid CAS Registry Number.