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51777-52-7

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51777-52-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 51777-52-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,7,7 and 7 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 51777-52:
(7*5)+(6*1)+(5*7)+(4*7)+(3*7)+(2*5)+(1*2)=137
137 % 10 = 7
So 51777-52-7 is a valid CAS Registry Number.

51777-52-7Downstream Products

51777-52-7Relevant articles and documents

Reusable Co-nanoparticles for general and selectiveN-alkylation of amines and ammonia with alcohols

Beller, Matthias,Gawande, Manoj B.,Jagadeesh, Rajenahally V.,Kadam, Ravishankar G.,Li, Xinmin,Ma, Zhuang,Petr, Martin,Zbo?il, Radek,Zhou, Bei

, p. 111 - 117 (2022/01/06)

A general cobalt-catalyzedN-alkylation of amines with alcohols by borrowing hydrogen methodology to prepare different kinds of amines is reported. The optimal catalyst for this transformation is prepared by pyrolysis of a specific templated material, which is generatedin situby mixing cobalt salts, nitrogen ligands and colloidal silica, and subsequent removal of silica. Applying this novel Co-nanoparticle-based material, >100 primary, secondary, and tertiary amines includingN-methylamines and selected drug molecules were conveniently prepared starting from inexpensive and easily accessible alcohols and amines or ammonia.

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