215808-08-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 215808-08-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,5,8,0 and 8 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 215808-08:
(8*2)+(7*1)+(6*5)+(5*8)+(4*0)+(3*8)+(2*0)+(1*8)=125
125 % 10 = 5
So 215808-08-5 is a valid CAS Registry Number.