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120020-03-3

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120020-03-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 120020-03-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,0,2 and 0 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 120020-03:
(8*1)+(7*2)+(6*0)+(5*0)+(4*2)+(3*0)+(2*0)+(1*3)=33
33 % 10 = 3
So 120020-03-3 is a valid CAS Registry Number.

120020-03-3Downstream Products

120020-03-3Relevant articles and documents

SOLID-LIQUID PHASE TRANSFER CATALYTIC SYNTHESIS OF α-AMINO ACID VIA ALKYLATION AND NUCLEOPHILIC ADDITION OF BENZALDEHYDE IMINES

Yaozhong, Jiang,Changyou, Zhou,Shengde, Wu,Daimo, Chen,Youan, Ma,Guilan, Liu

, p. 5343 - 5354 (2007/10/02)

A short, mild and efficient synthetic route of α-amino acid via alkylation, Michael addition and carbonyl addition as well as cycloaddition of aldimines derived from glycine and alanine esters with benzaldehyde under solid-liquid phase transfer catalytic condition has been studied.The key to solid-liquid phase transfer catalyzed reactions is the selection of a base for the various reactants.The yield is dependent on the base used.The results obtained using KOH, K2CO3 and Na2CO3 are discussed.The kinetics of solid-liquid PTC benzylation has been investigated and we propose a possible mechanism of solid-liquid PTC as an interface auto-catalytic procedure.The details of some syntheses of α-amino acids are presented.

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