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202596-67-6

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202596-67-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 202596-67-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,2,5,9 and 6 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 202596-67:
(8*2)+(7*0)+(6*2)+(5*5)+(4*9)+(3*6)+(2*6)+(1*7)=126
126 % 10 = 6
So 202596-67-6 is a valid CAS Registry Number.

202596-67-6Relevant articles and documents

Metal-free aza-Claisen type ring expansion of vinyl aziridines: An expeditious synthesis of seven membered N-heterocycles

Singh, Deepak,Ha, Hyun-Joon

supporting information, p. 3093 - 3097 (2019/03/26)

A metal-free approach for the synthesis of 7-membered aza-heterocycles has been developed by the intermolecular [5 + 2] cycloaddition of non-activated vinylaziridines and alkynes. This method has a broad substrate scope under mild reaction conditions to a

Dynamic kinetic asymmetric cycloadditions of isocyanates to vinylaziridines

Trost, Barry M.,Fandrick, Daniel R.

, p. 11836 - 11837 (2007/10/03)

The first examples of the use of racemic vinylaziridines in a Pd-catalyzed dynamic kinetic asymmetric transformation have been examined. Optimization studies of the Pd-catalyzed addition of vinylaziridines to isocyanates revealed that the chiral ligand be

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