70985-87-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70985-87-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,9,8 and 5 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 70985-87:
(7*7)+(6*0)+(5*9)+(4*8)+(3*5)+(2*8)+(1*7)=164
164 % 10 = 4
So 70985-87-4 is a valid CAS Registry Number.