1289384-59-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1289384-59-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,9,3,8 and 4 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1289384-59:
(9*1)+(8*2)+(7*8)+(6*9)+(5*3)+(4*8)+(3*4)+(2*5)+(1*9)=213
213 % 10 = 3
So 1289384-59-3 is a valid CAS Registry Number.