1075221-18-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1075221-18-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,7,5,2,2 and 1 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1075221-18:
(9*1)+(8*0)+(7*7)+(6*5)+(5*2)+(4*2)+(3*1)+(2*1)+(1*8)=119
119 % 10 = 9
So 1075221-18-9 is a valid CAS Registry Number.