211502-16-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 211502-16-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,1,5,0 and 2 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 211502-16:
(8*2)+(7*1)+(6*1)+(5*5)+(4*0)+(3*2)+(2*1)+(1*6)=68
68 % 10 = 8
So 211502-16-8 is a valid CAS Registry Number.