230646-77-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 230646-77-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,0,6,4 and 6 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 230646-77:
(8*2)+(7*3)+(6*0)+(5*6)+(4*4)+(3*6)+(2*7)+(1*7)=122
122 % 10 = 2
So 230646-77-2 is a valid CAS Registry Number.