300856-59-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 300856-59-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,0,8,5 and 6 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 300856-59:
(8*3)+(7*0)+(6*0)+(5*8)+(4*5)+(3*6)+(2*5)+(1*9)=121
121 % 10 = 1
So 300856-59-1 is a valid CAS Registry Number.