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C21H18O3SSe is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

82721-83-3

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82721-83-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82721-83-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,7,2 and 1 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 82721-83:
(7*8)+(6*2)+(5*7)+(4*2)+(3*1)+(2*8)+(1*3)=133
133 % 10 = 3
So 82721-83-3 is a valid CAS Registry Number.

82721-83-3Relevant academic research and scientific papers

Reactions of amines with β-(phenylseleninyl)vinyl sulfones derived from the selenosulfonation of acetylenes. Formation of enamine sulfones

Back, Thomas G.,Collins, Scott,Law, Kwok-Wai

, p. 2313 - 2318 (2007/10/02)

β-(Phenylseleno)vinyl sulfones 2 were prepared from the selenosulfonation of acetylenes and were oxidized to the corresponding selenoxides 3.These were treated in situ with morpholine (4) or pyrrolidine (5) to afford the corresponding enamine sulfones 6 a

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