127243-84-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 127243-84-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,2,4 and 3 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 127243-84:
(8*1)+(7*2)+(6*7)+(5*2)+(4*4)+(3*3)+(2*8)+(1*4)=119
119 % 10 = 9
So 127243-84-9 is a valid CAS Registry Number.