300355-11-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 300355-11-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,0,3,5 and 5 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 300355-11:
(8*3)+(7*0)+(6*0)+(5*3)+(4*5)+(3*5)+(2*1)+(1*1)=77
77 % 10 = 7
So 300355-11-7 is a valid CAS Registry Number.