1260839-57-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1260839-57-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,0,8,3 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1260839-57:
(9*1)+(8*2)+(7*6)+(6*0)+(5*8)+(4*3)+(3*9)+(2*5)+(1*7)=163
163 % 10 = 3
So 1260839-57-3 is a valid CAS Registry Number.