216490-05-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 216490-05-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,6,4,9 and 0 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 216490-05:
(8*2)+(7*1)+(6*6)+(5*4)+(4*9)+(3*0)+(2*0)+(1*5)=120
120 % 10 = 0
So 216490-05-0 is a valid CAS Registry Number.