1600511-91-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1600511-91-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,0,5,1 and 1 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1600511-91:
(9*1)+(8*6)+(7*0)+(6*0)+(5*5)+(4*1)+(3*1)+(2*9)+(1*1)=108
108 % 10 = 8
So 1600511-91-8 is a valid CAS Registry Number.