770251-05-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 770251-05-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,0,2,5 and 1 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 770251-05:
(8*7)+(7*7)+(6*0)+(5*2)+(4*5)+(3*1)+(2*0)+(1*5)=143
143 % 10 = 3
So 770251-05-3 is a valid CAS Registry Number.