61985-03-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 61985-03-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,9,8 and 5 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 61985-03:
(7*6)+(6*1)+(5*9)+(4*8)+(3*5)+(2*0)+(1*3)=143
143 % 10 = 3
So 61985-03-3 is a valid CAS Registry Number.