87405-14-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87405-14-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,4,0 and 5 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 87405-14:
(7*8)+(6*7)+(5*4)+(4*0)+(3*5)+(2*1)+(1*4)=139
139 % 10 = 9
So 87405-14-9 is a valid CAS Registry Number.