143993-89-9 Usage
Chemical Properties
Colourless solid
Check Digit Verification of cas no
The CAS Registry Mumber 143993-89-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,9,9 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 143993-89:
(8*1)+(7*4)+(6*3)+(5*9)+(4*9)+(3*3)+(2*8)+(1*9)=169
169 % 10 = 9
So 143993-89-9 is a valid CAS Registry Number.
143993-89-9Relevant articles and documents
Synthesis of N-formyl-3,4-di-t-butoxycarbonyloxy-6-(trimethylstannyl)-L-phenylalanine ethyl ester and its regioselective radiofluorodestannylation to 6-[18 F]fluoro-1-dopa
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, (2008/06/13)
A process for forming a 6-fluoro derivative of compounds in the L-Dopa family comprising the steps of protecting the groups attached to the benzene ring in the compound followed by serially reacting the protected compound with (a) iodine and silver triflu