1230658-88-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1230658-88-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,0,6,5 and 8 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1230658-88:
(9*1)+(8*2)+(7*3)+(6*0)+(5*6)+(4*5)+(3*8)+(2*8)+(1*8)=144
144 % 10 = 4
So 1230658-88-4 is a valid CAS Registry Number.