65749-87-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 65749-87-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,7,4 and 9 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 65749-87:
(7*6)+(6*5)+(5*7)+(4*4)+(3*9)+(2*8)+(1*7)=173
173 % 10 = 3
So 65749-87-3 is a valid CAS Registry Number.