210300-27-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 210300-27-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,0,3,0 and 0 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 210300-27:
(8*2)+(7*1)+(6*0)+(5*3)+(4*0)+(3*0)+(2*2)+(1*7)=49
49 % 10 = 9
So 210300-27-9 is a valid CAS Registry Number.