799781-84-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 799781-84-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,9,9,7,8 and 1 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 799781-84:
(8*7)+(7*9)+(6*9)+(5*7)+(4*8)+(3*1)+(2*8)+(1*4)=263
263 % 10 = 3
So 799781-84-3 is a valid CAS Registry Number.