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2-(phenylethynyl)-1-(phenylsulfonyl)indole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

258497-57-3

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258497-57-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 258497-57-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,8,4,9 and 7 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 258497-57:
(8*2)+(7*5)+(6*8)+(5*4)+(4*9)+(3*7)+(2*5)+(1*7)=193
193 % 10 = 3
So 258497-57-3 is a valid CAS Registry Number.

258497-57-3Relevant academic research and scientific papers

Synthesis of β- and γ-carbolines and their N-oxides from 2(or 3)- ethynylindole-3(or 2)-carbaldehydes

Sakamoto, Takao,Numata, Atsushi,Saitoh, Hironori,Kondo, Yoshinori

, p. 1740 - 1743 (2007/10/03)

Isoquinoline-type carbolines i.e. β-, and γ-carbolines and their N- oxides were synthesized from 2(or 3)ethynylindole-3(or 2)-carbaldehydes, which were synthesized by electrophilic substitution with dichloromethyl methyl ether in the presence of titanium

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