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1423027-19-3

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1423027-19-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1423027-19-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,3,0,2 and 7 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1423027-19:
(9*1)+(8*4)+(7*2)+(6*3)+(5*0)+(4*2)+(3*7)+(2*1)+(1*9)=113
113 % 10 = 3
So 1423027-19-3 is a valid CAS Registry Number.

1423027-19-3Relevant 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

, 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.

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