210306-41-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 210306-41-5 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 6 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 210306-41:
(8*2)+(7*1)+(6*0)+(5*3)+(4*0)+(3*6)+(2*4)+(1*1)=65
65 % 10 = 5
So 210306-41-5 is a valid CAS Registry Number.