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trans-2-methyl-3-phenyl-4,5-dicyanoisoxazolidine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

21939-18-4

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21939-18-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21939-18-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,9,3 and 9 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 21939-18:
(7*2)+(6*1)+(5*9)+(4*3)+(3*9)+(2*1)+(1*8)=114
114 % 10 = 4
So 21939-18-4 is a valid CAS Registry Number.

21939-18-4Downstream Products

21939-18-4Relevant academic research and scientific papers

Silyl Group Transfer in the Cycloaddiition Reactions of Silyl Iminium Salts Derived from Aryl-Substituted Oximes

Padwa, Albert,Dent, William H.,Schoffstall, Allen M.,Yeske, Philip E.

, p. 4430 - 4437 (2007/10/02)

Reaction of the iminium salt derived from benzaldehyde oxime and (trimethylsilyl)methyl triflate with cesium fluoride gives rise to azomethine ylides.Dipolar cycloaddition proceeded with complete stereospecificity with dimethyl fumarate and maleate.In sha

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