1012040-41-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1012040-41-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,2,0,4 and 0 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1012040-41:
(9*1)+(8*0)+(7*1)+(6*2)+(5*0)+(4*4)+(3*0)+(2*4)+(1*1)=53
53 % 10 = 3
So 1012040-41-3 is a valid CAS Registry Number.