308335-99-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 308335-99-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,8,3,3 and 5 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 308335-99:
(8*3)+(7*0)+(6*8)+(5*3)+(4*3)+(3*5)+(2*9)+(1*9)=141
141 % 10 = 1
So 308335-99-1 is a valid CAS Registry Number.