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159622-93-2

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159622-93-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 159622-93-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,6,2 and 2 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 159622-93:
(8*1)+(7*5)+(6*9)+(5*6)+(4*2)+(3*2)+(2*9)+(1*3)=162
162 % 10 = 2
So 159622-93-2 is a valid CAS Registry Number.

159622-93-2Upstream product

159622-93-2Relevant articles and documents

Diastereo- and enantioselective synthesis of 1,2-amino alcohols and protected α-hydroxy aldehydes from glycol aldehyde hydrazones

Enders, Dieter,Reinhold, Ulrich

, p. 11 - 26 (2007/10/03)

Starting from chiral glycol aldehyde hydrazones (S)-2, we prepared differently protected α-hydroxy aldehydes (R)- or (S)-4 as well as N-acetyl-protected 1,2-amino alcohols (R)-11 in high enantiomeric excesses via azaenolate α-alkylation or nucleophilic 1,2-addition to the CN double bond. The successive introduction of two vicinal stereogenic centres opens a new, flexible syn-diastereo- and enantioselective route to functionalised, N-acetyl-protected, vicinal amino alcohols (R,R)-13, which was demonstrated in the case of the γ-amino-β-hydroxycarboxylic acid statin (R,R)-15 and its analogues B. VCH Verlagsgesellschaft mbH, 1996.

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