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112489-56-2

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112489-56-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 112489-56-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,2,4,8 and 9 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 112489-56:
(8*1)+(7*1)+(6*2)+(5*4)+(4*8)+(3*9)+(2*5)+(1*6)=122
122 % 10 = 2
So 112489-56-2 is a valid CAS Registry Number.

112489-56-2Relevant articles and documents

Improved E-selectivity in the Wittig reaction of stabilized ylides with alpha-alkoxyaldehydes and sugar lactols.

Harcken,Martin

, p. 3591 - 3593 (2001)

[reaction: see text]. The Wittig reactions of alpha-alkoxyaldehydes and sugar lactols with stabilized ylides such as (alkoxycarbonylmethylene)triphenylphosphoranes typically proceed with low E-selectivities. However, we have discovered that the reaction o

AN OBSERVATION OF DIASTEREOFACE SELECTIVITY IN THERMAL REACTIONS BETWEEN δ-ALKOXYALLYLSTANNANES AND ALDEHYDES

Mortlock, Simon V.,Thomas, Eric J.

, p. 2479 - 2482 (2007/10/02)

The δ-alkoxyallylstannanes (4) and (5) react stereoselectively on heating with p-nitrobenzaldehyde to provide the homoallylic alcohols (14) - (17), with (14) : (15) = 82 : 18; (16) : (17) = 73 : 27

THE REACTION OF CARBOHYDRATE-DERIVED ALKOXYALDEHYDES WITH METHOXYCARBONYLMETHYLENETRIPHENYLPHOSPHORANE: STEREOSELECTIVE SYNTHESIS OF β-UNSATURATED ESTERS

Valverde, Serafin,Martin-Lomas, Manuel,Herradon, Bernardo,Garcia-Ochoa, Silvestre

, p. 1895 - 1902 (2007/10/02)

The reaction of several carbohydrate-derived alkoxyaldehydes with methoxycarbonylmethylenetriphenylphosphorane affords α,β-unsaturated esters with Z-stereoselectivity.The stereoselectivity depends on the substrate structure and the nature of the solvent u

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