230959-84-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 230959-84-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,0,9,5 and 9 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 230959-84:
(8*2)+(7*3)+(6*0)+(5*9)+(4*5)+(3*9)+(2*8)+(1*4)=149
149 % 10 = 9
So 230959-84-9 is a valid CAS Registry Number.