216298-30-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 216298-30-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,6,2,9 and 8 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 216298-30:
(8*2)+(7*1)+(6*6)+(5*2)+(4*9)+(3*8)+(2*3)+(1*0)=135
135 % 10 = 5
So 216298-30-5 is a valid CAS Registry Number.