78387-80-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78387-80-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,3,8 and 7 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 78387-80:
(7*7)+(6*8)+(5*3)+(4*8)+(3*7)+(2*8)+(1*0)=181
181 % 10 = 1
So 78387-80-1 is a valid CAS Registry Number.