155980-87-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155980-87-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,9,8 and 0 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 155980-87:
(8*1)+(7*5)+(6*5)+(5*9)+(4*8)+(3*0)+(2*8)+(1*7)=173
173 % 10 = 3
So 155980-87-3 is a valid CAS Registry Number.