1239897-11-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1239897-11-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,9,8,9 and 7 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1239897-11:
(9*1)+(8*2)+(7*3)+(6*9)+(5*8)+(4*9)+(3*7)+(2*1)+(1*1)=200
200 % 10 = 0
So 1239897-11-0 is a valid CAS Registry Number.