86549-23-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 86549-23-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,5,4 and 9 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 86549-23:
(7*8)+(6*6)+(5*5)+(4*4)+(3*9)+(2*2)+(1*3)=167
167 % 10 = 7
So 86549-23-7 is a valid CAS Registry Number.