1108658-34-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1108658-34-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,0,8,6,5 and 8 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1108658-34:
(9*1)+(8*1)+(7*0)+(6*8)+(5*6)+(4*5)+(3*8)+(2*3)+(1*4)=149
149 % 10 = 9
So 1108658-34-9 is a valid CAS Registry Number.