1239985-87-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1239985-87-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,9,9,8 and 5 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1239985-87:
(9*1)+(8*2)+(7*3)+(6*9)+(5*9)+(4*8)+(3*5)+(2*8)+(1*7)=215
215 % 10 = 5
So 1239985-87-5 is a valid CAS Registry Number.