780784-69-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 780784-69-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,8,0,7,8 and 4 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 780784-69:
(8*7)+(7*8)+(6*0)+(5*7)+(4*8)+(3*4)+(2*6)+(1*9)=212
212 % 10 = 2
So 780784-69-2 is a valid CAS Registry Number.