126547-89-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 126547-89-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,5,4 and 7 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 126547-89:
(8*1)+(7*2)+(6*6)+(5*5)+(4*4)+(3*7)+(2*8)+(1*9)=145
145 % 10 = 5
So 126547-89-5 is a valid CAS Registry Number.