30989-15-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30989-15-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,9,8 and 9 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 30989-15:
(7*3)+(6*0)+(5*9)+(4*8)+(3*9)+(2*1)+(1*5)=132
132 % 10 = 2
So 30989-15-2 is a valid CAS Registry Number.