1227405-84-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1227405-84-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,7,4,0 and 5 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1227405-84:
(9*1)+(8*2)+(7*2)+(6*7)+(5*4)+(4*0)+(3*5)+(2*8)+(1*4)=136
136 % 10 = 6
So 1227405-84-6 is a valid CAS Registry Number.