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1234421-96-5

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1234421-96-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1234421-96-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,4,4,2 and 1 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1234421-96:
(9*1)+(8*2)+(7*3)+(6*4)+(5*4)+(4*2)+(3*1)+(2*9)+(1*6)=125
125 % 10 = 5
So 1234421-96-5 is a valid CAS Registry Number.

1234421-96-5Downstream Products

1234421-96-5Relevant articles and documents

Synthesis of o-(diphenylphosphinoyloxy)anilines by the rhodium-catalyzed reaction of nitroarenes and diphenylphosphine oxide

Arisawa, Mieko,Kuwajima, Manabu,Yamaguchi, Masahiko

supporting information; experimental part, p. 3116 - 3118 (2010/08/07)

A rhodium complex Rh2(OAc)4 catalyzed the reaction of nitrobenzenes and diphenylphosphine oxide HP({double bond, long}O)Ph2 giving o-(diphenylphosphinoyloxy)anilines predominantly, which were accompanied by small amounts of the p-isomers. Nitorobenzenes possessing a bulky o-substituent, particularly o-(t-butyl)nitrobenzenes, underwent the reaction in high yields. The reaction is considered to involve the reductive formation of O-phosphinoyl-N-arylhydroxyamines from nitrobenzenes, and o-phosphinoyloxylation by the rearrangement.

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