6204-35-9 Usage
Chemical Description
[11C]methane is produced at the Karolinska Hospital with a PETtrace cyclotron and is used to isolate [11C]methyl iodide.
Check Digit Verification of cas no
The CAS Registry Mumber 6204-35-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,2,0 and 4 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 6204-35:
(6*6)+(5*2)+(4*0)+(3*4)+(2*3)+(1*5)=69
69 % 10 = 9
So 6204-35-9 is a valid CAS Registry Number.