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50437-74-6

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50437-74-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 50437-74-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,4,3 and 7 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 50437-74:
(7*5)+(6*0)+(5*4)+(4*3)+(3*7)+(2*7)+(1*4)=106
106 % 10 = 6
So 50437-74-6 is a valid CAS Registry Number.

50437-74-6Relevant articles and documents

A Domino Route toward Polysubstituted Pyrroles from 2-Imidazolines and Electron-Deficient Alkynes

Festa, Alexey A.,Golantsov, Nikita E.,Golubenkova, Alexandra S.,Varlamov, Alexey V.,Voskressensky, Leonid G.

, (2020)

The reaction of 1,2-disubstituted 2-imidazolines with electron-deficient alkynes proceeds as a pseudo-three-component process and forms imidazolidines with an N-vinylpropargylamine fragment. Heating the resulting imidazolidines in xylene on air leads to a

One-pot triflic anhydride-mediated synthesis of 1,2-disubstituted 2-imidazolines from N-(2-haloethyl)amides and amines

Ellsworth, Alyssa A.,Magyar, Christina L.,Hubbell, Grace E.,Theisen, Chelsea C.,Holmes, Daniel,Mosey, R. Adam

, p. 6380 - 6389 (2016/09/23)

A one-pot synthesis of 1,2-disubstituted 2-imidazolines from N-(2-haloethyl)amides has been developed. The reaction affords high yields of diverse 1,2-disubstituted 2-imidazolines from triflic anhydride-mediated dehydration of amides followed by installat

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