208336-98-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 208336-98-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,8,3,3 and 6 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 208336-98:
(8*2)+(7*0)+(6*8)+(5*3)+(4*3)+(3*6)+(2*9)+(1*8)=135
135 % 10 = 5
So 208336-98-5 is a valid CAS Registry Number.