139228-33-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139228-33-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,2,2 and 8 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 139228-33:
(8*1)+(7*3)+(6*9)+(5*2)+(4*2)+(3*8)+(2*3)+(1*3)=134
134 % 10 = 4
So 139228-33-4 is a valid CAS Registry Number.
139228-33-4Relevant academic research and scientific papers
3-amino-2-aryl quinuclidines
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, (2008/06/13)
Compounds of the formula STR1 wherein R1 is hydrogen or (C1 -C6)alkyl; R2 is phenyl, pyridyl, thienyl or furyl, and R2 may optionally be substituted with from one to three substituents independently s
