345233-90-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 345233-90-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,5,2,3 and 3 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 345233-90:
(8*3)+(7*4)+(6*5)+(5*2)+(4*3)+(3*3)+(2*9)+(1*0)=131
131 % 10 = 1
So 345233-90-1 is a valid CAS Registry Number.