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334817-23-1

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334817-23-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 334817-23-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,4,8,1 and 7 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 334817-23:
(8*3)+(7*3)+(6*4)+(5*8)+(4*1)+(3*7)+(2*2)+(1*3)=141
141 % 10 = 1
So 334817-23-1 is a valid CAS Registry Number.

334817-23-1Downstream Products

334817-23-1Relevant articles and documents

A new and expeditious strategy for the synthesis of β-amino acids from Δ2-oxazolines

Fustero, Santos,Díaz, Ma Dolores,Navarro, Antonio,Salavert, Esther,Aguilar, Enrique

, p. 703 - 712 (2001)

A new, mild two-step synthesis of racemic β-amino acids starting from 2-alkyl-Δ2-oxazolines is described. The process implies the initial formation of masked N-substituted or N-unsubstituted β-enamino acid derivatives followed by chemoselective reduction of the enamino moiety. The process takes place with high yields, total chemoselectivity and moderate diastereoselectivity.

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