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2,4,6-Trimethyl-benzenesulfonate2-amino-1-methyl-3,4-dihydro-pyrazino[1,2-a]indol-2-ium; is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

138747-18-9

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138747-18-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138747-18-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,7,4 and 7 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 138747-18:
(8*1)+(7*3)+(6*8)+(5*7)+(4*4)+(3*7)+(2*1)+(1*8)=159
159 % 10 = 9
So 138747-18-9 is a valid CAS Registry Number.

138747-18-9Downstream Products

138747-18-9Relevant academic research and scientific papers

NEW USES OF THE WESTPHAL CONDENSATION. SYNTHESIS OF PI-DONOR-PI-ACCEPTOR HETEROCYCLES

Matia, Maria P.,Ezquerra, Jesus,Sanchez-Ferrando, Francisco,Garcia-Navio, Jose L.,Vaquero, Juan J.,Alvarez-Builla, Julio

, p. 7329 - 7342 (2007/10/02)

Novel pyrido and pyridazinopyrrolopyrazin-7-ium derivatives have been prepared using Westphal condensation, as an example of fused heterocycles with linked ?-donor and ?-acceptor moieties.

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