791807-40-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 791807-40-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,9,1,8,0 and 7 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 791807-40:
(8*7)+(7*9)+(6*1)+(5*8)+(4*0)+(3*7)+(2*4)+(1*0)=194
194 % 10 = 4
So 791807-40-4 is a valid CAS Registry Number.