30277-09-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30277-09-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,2,7 and 7 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 30277-09:
(7*3)+(6*0)+(5*2)+(4*7)+(3*7)+(2*0)+(1*9)=89
89 % 10 = 9
So 30277-09-9 is a valid CAS Registry Number.