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131270-31-0

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131270-31-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131270-31-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,2,7 and 0 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 131270-31:
(8*1)+(7*3)+(6*1)+(5*2)+(4*7)+(3*0)+(2*3)+(1*1)=80
80 % 10 = 0
So 131270-31-0 is a valid CAS Registry Number.

131270-31-0Downstream Products

131270-31-0Relevant articles and documents

REACTIONS DE LA DICHLOROPHENYLPHOSPHINE AVEC LES IMINES: SYNTHESE DES DIHYDRO-1,2 λ3-AZAPHOSPHININES-1,2 ET DES OXO-2 AZAPHOSPHOLENES-1,2,4

Tan, Wai He-Line Wai,Bourdieu, Catherine,Foucaud, Andre

, p. 6715 - 6730 (2007/10/02)

The reaction of one equivalent of dichlorophenylphosphine with two equivalents of aliphatic imines gives a mixture of 1,2-dihydro 1,2 λ3-azaphosphinines 2 and 2-oxo 1,2,4-azaphospholenes 3.Compounds 2 are the major product when the imines are prepared from amines with bulky group.The yield of azaphospholenes 3 is enhanced when the dichlorophenylphosphine is used in excess.Oxidation of azaphosphinines 2 with hydrogen peroxide gives 2-oxo 1,2-azaphosphinines 4.

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