1042541-93-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1042541-93-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,2,5,4 and 1 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1042541-93:
(9*1)+(8*0)+(7*4)+(6*2)+(5*5)+(4*4)+(3*1)+(2*9)+(1*3)=114
114 % 10 = 4
So 1042541-93-4 is a valid CAS Registry Number.