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28699-30-1

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28699-30-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28699-30-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,6,9 and 9 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 28699-30:
(7*2)+(6*8)+(5*6)+(4*9)+(3*9)+(2*3)+(1*0)=161
161 % 10 = 1
So 28699-30-1 is a valid CAS Registry Number.

28699-30-1Downstream Products

28699-30-1Relevant articles and documents

Regioselectivity of 1,3-dipolar cycloaddition of 3-oxidopyridinium betaines to olefins and stereoselective synthesis of 6-alkyloxy-5-oxa-9- azatricyclo[5.2.1.04,8]decan-2-one derivatives

Estour, Francois,Rezel, Stephane,Fraisse, Didier,Metin, Jacques,Gaumet, Vincent,Lartigue, Claire,Miscoria, Gilles,Gueiffier, Alain,Blache, Yves,Teulade, Jean C.,Chavignon, Olivier

, p. 929 - 945 (2007/10/03)

A new method to obtain the four isomers of tropane skeleton by dipolar addition of 3-oxidopyridinium betaines to activated olefins is described, and a general synthetic strategy for tricyclic tropane homologues is also reported.

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