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Benzoic acid (1R,2R,3S,6R)-2,3-bis-(tert-butyl-dimethyl-silanyloxy)-7-oxa-bicyclo[4.1.0]hept-4-en-1-ylmethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

439213-20-4

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439213-20-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 439213-20-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,9,2,1 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 439213-20:
(8*4)+(7*3)+(6*9)+(5*2)+(4*1)+(3*3)+(2*2)+(1*0)=134
134 % 10 = 4
So 439213-20-4 is a valid CAS Registry Number.

439213-20-4Relevant academic research and scientific papers

Cyclohexadiene-trans-diols as versatile starting material in natural product synthesis: Short and efficient synthesis of iso-crotepoxide and ent-senepoxide

Lorbach, Volker,Franke, Dirk,Nieger, Martin,Mueller, Michael

, p. 494 - 495 (2002)

A new synthesis of ent-senepoxide and iso-crotepoxide starting from microbially produced (+)-trans-2,3-dihydroxy-2,3-dihydrobenzoic acid via regio- and stereoselective epoxidation is described.

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