1585181-12-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1585181-12-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,8,5,1,8 and 1 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1585181-12:
(9*1)+(8*5)+(7*8)+(6*5)+(5*1)+(4*8)+(3*1)+(2*1)+(1*2)=179
179 % 10 = 9
So 1585181-12-9 is a valid CAS Registry Number.