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113689-23-9

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113689-23-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 113689-23-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,3,6,8 and 9 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 113689-23:
(8*1)+(7*1)+(6*3)+(5*6)+(4*8)+(3*9)+(2*2)+(1*3)=129
129 % 10 = 9
So 113689-23-9 is a valid CAS Registry Number.

113689-23-9Downstream Products

113689-23-9Relevant articles and documents

Methods for Indole Alkaloid Synthesis: A Study of the Compatibility of the Indole-2,3-Quinodimethane Strategy for the Synthesis of 16-Methoxy-Substituted Aspidosperma-Type Alkaloids. Synthesis of (+)- and (-)-16-Methoxytabersonine

Cardwell, Kevin,Hewitt, Brian,Ladlow, Mark,Magnus, Philip

, p. 2242 - 2248 (2007/10/02)

4-Methoxy-2-nitroaniline (5) is converted into 1-carbomethoxy-6-methoxy-3-formyl-2-methylindole (10) in an overall yield of 28percent through five steps.The derived imine from 10 and 2-(phenylthio)ethylamine on treatment with acid chloride (+/-)-12 gave h

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