153108-91-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 153108-91-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,3,1,0 and 8 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 153108-91:
(8*1)+(7*5)+(6*3)+(5*1)+(4*0)+(3*8)+(2*9)+(1*1)=109
109 % 10 = 9
So 153108-91-9 is a valid CAS Registry Number.