Cas 1048685-02-4,C20H22N2O4

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Check Digit Verification of cas no

The CAS Registry Mumber 1048685-02-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,8,6,8 and 5 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1048685-02:
(9*1)+(8*0)+(7*4)+(6*8)+(5*6)+(4*8)+(3*5)+(2*0)+(1*2)=164
164 % 10 = 4
So 1048685-02-4 is a valid CAS Registry Number.

1048685-02-4Upstream product

1048685-02-4Downstream Products

1048685-17-1 C₂₀H₂₀N₂O₄

1048685-02-4Relevant articles and documents

Intramolecular Friedel-Crafts reaction of indoles with carbonyl groups: A simple synthesis of 3- and 4-substituted β-carbolin-1-ones

Cincinelli, Raffaella,Dallavalle, Sabrina,Merlini, Lucio

experimental part, p. 1309 - 1312 (2009/04/06)

The intramolecular Friedel-Crafts reaction of indole-2-carboxylic acid β-oxoamides catalyzed by trifluoroacetic acid or InCl3, is a convenient method for the synthesis of 3-aryl-, 4-aryl-, and 4-alkyl-β-carbolin-1-ones. Georg Thieme Verlag Stuttgart.

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1048685-02-4