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5-benzyloxy-3-hydroxy-pentanoic acid tert-butyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

221216-93-9

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221216-93-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 221216-93-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,2,1 and 6 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 221216-93:
(8*2)+(7*2)+(6*1)+(5*2)+(4*1)+(3*6)+(2*9)+(1*3)=89
89 % 10 = 9
So 221216-93-9 is a valid CAS Registry Number.

221216-93-9Relevant academic research and scientific papers

Asymmetric synthesis of β-hydroxyesters by aldol type condensation of enantiomerically pure t-butyl p-tolyl sulfinyl acetate: Unexpected substituent effect on the absolute configuration of the product

Solladié, Guy,Bauder, Claude,Arce-Dubois, Eva,Pasturel-Jacopé, Yacine

, p. 2923 - 2925 (2001)

Aldol type condensation of enantiomerically pure t-butyl p-tolyl sulfinyl acetate was shown to give the opposite configuration at the hydroxylic center in the case of an α,β-unsaturated aldehyde, a result which is in sharp contrast with literature results. The absolute configurations of the aldol products were determined by X-ray crystallography.

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