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950838-18-3

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950838-18-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 950838-18-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,0,8,3 and 8 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 950838-18:
(8*9)+(7*5)+(6*0)+(5*8)+(4*3)+(3*8)+(2*1)+(1*8)=193
193 % 10 = 3
So 950838-18-3 is a valid CAS Registry Number.

950838-18-3Downstream Products

950838-18-3Relevant articles and documents

Optically pure γ-butyrolactones and epoxy esters via two stereocentered HKR of 3-substituted epoxy esters: A formal synthesis of (-)-paroxetine, Ro 67-8867 and (+)-eldanolide

Devalankar, Dattatray A.,Karabal, Pratibha U.,Sudalai, Arumugam

supporting information, p. 1280 - 1285 (2013/05/08)

The HKR of racemic anti- or syn-3-substituted epoxy esters catalyzed by a Co(iii)salen complex provides ready access to the corresponding enantioenriched 3,4-disubstituted γ-butyrolactones and 3-substituted epoxy esters. This strategy has been successfully employed in the formal synthesis of biologically active 3,4-disubstituted piperidine derivatives, (-)-paroxetine and Ro 67-8867 and a natural product, (+)-eldanolide.

Stereoselective conjugate addition of aryl- And alkenylboronic acids to acyclic γ,δ-oxygen-substituted α,β-enoates

Segura, Amaya,Csaky, Aurelio G.

, p. 3667 - 3670 (2008/02/12)

The substrate-controlled Rh1-catalyzed conjugate addition of aryl- and alkenylboronic acids to α,β-unsaturated esters which bear γ- and δ-oxygen substituents takes place in a highly anti diastereoselective fashion either when using γ-hydroxyl u

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