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1,3-Benzenediamine, 2-(phenylethynyl)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

500992-23-4

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500992-23-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 500992-23-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,0,9,9 and 2 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 500992-23:
(8*5)+(7*0)+(6*0)+(5*9)+(4*9)+(3*2)+(2*2)+(1*3)=134
134 % 10 = 4
So 500992-23-4 is a valid CAS Registry Number.

500992-23-4Downstream Products

500992-23-4Relevant academic research and scientific papers

Chemistry of aminophenols. Part 2: A general and efficient synthesis of indoles possessing a nitrogen substituent at the C4, C5, C6, and C7 positions

Dai, Wei-Min,Sun, Li-Ping,Guo, Dian-Shun

, p. 7699 - 7702 (2007/10/03)

A general and efficient synthesis of indoles possessing a nitrogen substituent at the C4, C5, C6, and C7 positions has been developed. Starting from commercially available nitro 2-aminophenols, 5-, 6-, and 7-arenesulfamoylindoles were synthesized via a ba

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