222021-56-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 222021-56-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,2,0,2 and 1 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 222021-56:
(8*2)+(7*2)+(6*2)+(5*0)+(4*2)+(3*1)+(2*5)+(1*6)=69
69 % 10 = 9
So 222021-56-9 is a valid CAS Registry Number.
222021-56-9Relevant articles and documents
SPECT imaging agents for serotonin transporters
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Page/Page column 14, (2010/02/13)
The present invention is directed to compounds of Formula (I) or pharmaceutically acceptable salts thereof; wherein X is hydrogen, Cl, Br, I, NO2, NR3R4 or —L—Ch; Y is hydrogen, —CH2OR5, —CH2/su