156461-87-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156461-87-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,4,6 and 1 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 156461-87:
(8*1)+(7*5)+(6*6)+(5*4)+(4*6)+(3*1)+(2*8)+(1*7)=149
149 % 10 = 9
So 156461-87-9 is a valid CAS Registry Number.