756893-87-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 756893-87-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,5,6,8,9 and 3 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 756893-87:
(8*7)+(7*5)+(6*6)+(5*8)+(4*9)+(3*3)+(2*8)+(1*7)=235
235 % 10 = 5
So 756893-87-5 is a valid CAS Registry Number.