233765-84-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 233765-84-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,3,7,6 and 5 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 233765-84:
(8*2)+(7*3)+(6*3)+(5*7)+(4*6)+(3*5)+(2*8)+(1*4)=149
149 % 10 = 9
So 233765-84-9 is a valid CAS Registry Number.