791823-87-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 791823-87-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,9,1,8,2 and 3 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 791823-87:
(8*7)+(7*9)+(6*1)+(5*8)+(4*2)+(3*3)+(2*8)+(1*7)=205
205 % 10 = 5
So 791823-87-5 is a valid CAS Registry Number.