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21775-46-2

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21775-46-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21775-46-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,7,7 and 5 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 21775-46:
(7*2)+(6*1)+(5*7)+(4*7)+(3*5)+(2*4)+(1*6)=112
112 % 10 = 2
So 21775-46-2 is a valid CAS Registry Number.

21775-46-2Downstream Products

21775-46-2Relevant articles and documents

Synthesis of oxalamides by acceptorless dehydrogenative coupling of ethylene glycol and amines and the reverse hydrogenation catalyzed by ruthenium

Ben-David, Yehoshoa,Diskin-Posner, Yael,Milstein, David,Zhou, Quan-Quan,Zou, You-Quan

, p. 7188 - 7193 (2020)

A sustainable, new synthesis of oxalamides, by acceptorless dehydrogenative coupling of ethylene glycol with amines, generating H2, homogeneously catalyzed by a ruthenium pincer complex, is presented. The reverse hydrogenation reaction is also accomplished using the same catalyst. A plausible reaction mechanism is proposed based on stoichiometric reactions, NMR studies, X-ray crystallography as well as observation of plausible intermediates.

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