1015423-93-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1015423-93-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,5,4,2 and 3 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1015423-93:
(9*1)+(8*0)+(7*1)+(6*5)+(5*4)+(4*2)+(3*3)+(2*9)+(1*3)=104
104 % 10 = 4
So 1015423-93-4 is a valid CAS Registry Number.