1531595-91-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1531595-91-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,3,1,5,9 and 5 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1531595-91:
(9*1)+(8*5)+(7*3)+(6*1)+(5*5)+(4*9)+(3*5)+(2*9)+(1*1)=171
171 % 10 = 1
So 1531595-91-1 is a valid CAS Registry Number.