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1272675-50-9

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1272675-50-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1272675-50-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,2,6,7 and 5 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1272675-50:
(9*1)+(8*2)+(7*7)+(6*2)+(5*6)+(4*7)+(3*5)+(2*5)+(1*0)=169
169 % 10 = 9
So 1272675-50-9 is a valid CAS Registry Number.

1272675-50-9Downstream Products

1272675-50-9Relevant academic research and scientific papers

A New Simplified Protocol for Copper(I) Alkyne-Azide Cycloaddition Reactions Using Low Substoichiometric Amounts of Copper(II) Precatalysts in Methanol

Buckley, Benjamin R.,Figueres, Maria M. P.,Khan, Amna N.,Heaney, Harry

, p. 51 - 56 (2016)

Copper(II) carboxylates are reduced efficiently by methanol in the presence of alkynes and form yellow alkynylcopper(I) polymeric precatalysts that are involved with azides, in the absence of added ligands, in the catalytic cycles that result in the forma

Heterogeneous catalytic reactions "on Water" by using stable polymeric alkynylcopper(I) pre-catalysts: Alkyne/azide cycloaddition reactions

Buckley, Benjamin R.,Dann, Sandra E.,Heaney, Harry,Stubbs, Emma C.

supporting information; experimental part, p. 770 - 776 (2011/03/22)

Dinuclear alkynylcopper(I) complexes have been found to be the active pre-catalysts in copper-catalysed cycloaddition of azides and terminal alkynes (CuAAC). These copper(I) ladderane polymers are used in "on water" CuAAC reactions, with loadings as low a

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