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1449430-73-2

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1449430-73-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1449430-73-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,9,4,3 and 0 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1449430-73:
(9*1)+(8*4)+(7*4)+(6*9)+(5*4)+(4*3)+(3*0)+(2*7)+(1*3)=172
172 % 10 = 2
So 1449430-73-2 is a valid CAS Registry Number.

1449430-73-2Downstream Products

1449430-73-2Relevant articles and documents

Ruthenium-catalyzed ortho -alkenylation of phenylphosphine oxides through regio- and stereoselective alkyne insertion into C-H bonds

Itoh, Masaki,Hashimoto, Yuto,Hirano, Koji,Satoh, Tetsuya,Miura, Masahiro

, p. 8098 - 8104 (2013/09/12)

Direct ortho-substitution took place efficiently upon treatment of tri-, di-, and monoarylphosphine oxides with internal alkynes in the presence of a ruthenium catalyst to produce (o-alkenylphenyl)phosphine oxides regio- and stereoselectively. Chemoselective reduction of a product gave the corresponding (o-alkenylphenyl)phosphine, which may be useful as a ligand for transition metals.

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