74985-30-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74985-30-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,9,8 and 5 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 74985-30:
(7*7)+(6*4)+(5*9)+(4*8)+(3*5)+(2*3)+(1*0)=171
171 % 10 = 1
So 74985-30-1 is a valid CAS Registry Number.