1004043-11-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1004043-11-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,4,0,4 and 3 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1004043-11:
(9*1)+(8*0)+(7*0)+(6*4)+(5*0)+(4*4)+(3*3)+(2*1)+(1*1)=61
61 % 10 = 1
So 1004043-11-1 is a valid CAS Registry Number.