770658-69-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 770658-69-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,0,6,5 and 8 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 770658-69:
(8*7)+(7*7)+(6*0)+(5*6)+(4*5)+(3*8)+(2*6)+(1*9)=200
200 % 10 = 0
So 770658-69-0 is a valid CAS Registry Number.