1009522-11-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1009522-11-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,9,5,2 and 2 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1009522-11:
(9*1)+(8*0)+(7*0)+(6*9)+(5*5)+(4*2)+(3*2)+(2*1)+(1*1)=105
105 % 10 = 5
So 1009522-11-5 is a valid CAS Registry Number.