221202-36-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 221202-36-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,2,0 and 2 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 221202-36:
(8*2)+(7*2)+(6*1)+(5*2)+(4*0)+(3*2)+(2*3)+(1*6)=64
64 % 10 = 4
So 221202-36-4 is a valid CAS Registry Number.
InChI:InChI=1/C7H3F2NO/c8-5-1-2-6(11)4(3-10)7(5)9/h1-2,11H