1609135-40-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1609135-40-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,9,1,3 and 5 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1609135-40:
(9*1)+(8*6)+(7*0)+(6*9)+(5*1)+(4*3)+(3*5)+(2*4)+(1*0)=151
151 % 10 = 1
So 1609135-40-1 is a valid CAS Registry Number.