1005112-55-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1005112-55-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,5,1,1 and 2 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1005112-55:
(9*1)+(8*0)+(7*0)+(6*5)+(5*1)+(4*1)+(3*2)+(2*5)+(1*5)=69
69 % 10 = 9
So 1005112-55-9 is a valid CAS Registry Number.