1011877-61-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1011877-61-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,1,8,7 and 7 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1011877-61:
(9*1)+(8*0)+(7*1)+(6*1)+(5*8)+(4*7)+(3*7)+(2*6)+(1*1)=124
124 % 10 = 4
So 1011877-61-4 is a valid CAS Registry Number.