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1038436-37-1

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1038436-37-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1038436-37-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,8,4,3 and 6 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1038436-37:
(9*1)+(8*0)+(7*3)+(6*8)+(5*4)+(4*3)+(3*6)+(2*3)+(1*7)=141
141 % 10 = 1
So 1038436-37-1 is a valid CAS Registry Number.

1038436-37-1Relevant articles and documents

Highly diastereoselective synthesis of orthoquinone monoketals through λ13-iodane-mediated oxidative dearomatization of phenols

Pouysegu, Laurent,Chassaing, Stefan,Dejugnac, Delphine,Lamidey, Anne-Marie,Miqueu, Karinne,Sotiropoulos, Jean-Marc,Quideau, Stephane

supporting information; experimental part, p. 3552 - 3555 (2009/02/07)

(Chemical Equation Presented) Versatile chiral substrates for asymmetric synthesis are formed through the spiroketalization of phenols with a chiral substituted ethanol unit O-tethered to the ortho position upon treatment with PhI-(OAc)2 (see example; TFE = 2,2,2-tri-fluoroethanol). Intermediates with a six-membered iodine(III)-containing ring (the natural localized molecular orbitals associated with the I-C6 bond are shown) undergo ligand coupling to give the spiroketals.

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