Cas 142991-43-3,1,2,5,8-Dithiadiazecine, 5,8-dibenzoyloctahydro-3,3,10,10-tetramethyl-

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Check Digit Verification of cas no

The CAS Registry Mumber 142991-43-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,9,9 and 1 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 142991-43:
(8*1)+(7*4)+(6*2)+(5*9)+(4*9)+(3*1)+(2*4)+(1*3)=143
143 % 10 = 3
So 142991-43-3 is a valid CAS Registry Number.

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142991-43-3Relevant academic research and scientific papers

Borohydride Reduction of Imidazolidinodithiadiazepines

Bodor, Nicholas,Koltai, Ernoe,Prokai, Laszlo

, p. 4767 - 4772 (1992)

Imidazolidinodithiadiazepines are converted to the ten-membered saturated heterocycles via borohydride reduction in acidic media or using ''in situ'' generated borane.Reductive alkylation in acetic or propionic acid as a solvent represents a significant side reaction.Relatively stable boron compounds are identified as intermediates which yield the saturated heterocycles upon acidic hydrolysis. Key Words: Imidazolidinodithiadiazepines; 1,2-dithia-5,8-diaza-cyclodecane; borohydride reduction; by-products; reaction mechanism

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