406-27-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 406-27-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,0 and 6 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 406-27:
(5*4)+(4*0)+(3*6)+(2*2)+(1*7)=49
49 % 10 = 9
So 406-27-9 is a valid CAS Registry Number.
InChI:InChI=1/C4H6ClFOS/c5-1-2-8-4(7)3-6/h1-3H2