774492-90-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 774492-90-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,4,4,9 and 2 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 774492-90:
(8*7)+(7*7)+(6*4)+(5*4)+(4*9)+(3*2)+(2*9)+(1*0)=209
209 % 10 = 9
So 774492-90-9 is a valid CAS Registry Number.