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3-(p-toluenesulfinylmethyl)thiophene-2-carboxaldehyde is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

99708-87-9

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99708-87-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99708-87-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,7,0 and 8 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 99708-87:
(7*9)+(6*9)+(5*7)+(4*0)+(3*8)+(2*8)+(1*7)=199
199 % 10 = 9
So 99708-87-9 is a valid CAS Registry Number.

99708-87-9Downstream Products

99708-87-9Relevant academic research and scientific papers

A New Synthesis of Benzothiophenes and Benzothiophenes by Annulation of Disubstituted Thiophenes

Terpstra, Jan W.,Leusen, Albert M. van

, p. 230 - 238 (2007/10/02)

Nine newly prepared ortho-disubtituted thiophenes (1-5) react with Michael acceptors to form benzo- and benzothiophenes.This novel annulation process is specifically suited to form benzothiophenes with substituents in the benzene moiety.Substitution

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