87641-45-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87641-45-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,6,4 and 1 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 87641-45:
(7*8)+(6*7)+(5*6)+(4*4)+(3*1)+(2*4)+(1*5)=160
160 % 10 = 0
So 87641-45-0 is a valid CAS Registry Number.