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227180-20-3

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227180-20-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 227180-20-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,7,1,8 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 227180-20:
(8*2)+(7*2)+(6*7)+(5*1)+(4*8)+(3*0)+(2*2)+(1*0)=113
113 % 10 = 3
So 227180-20-3 is a valid CAS Registry Number.

227180-20-3Relevant articles and documents

Synthesis of new melatoninergic ligands including azaindole moiety

Mazéas, Daniel,Guillaumet, Gérald,Viaud, Marie-Claude

, p. 1065 - 1080 (1999)

A novel series of melatonin analogues, based on the azaindole nucleus is described. These compounds are prepared in several steps directly from the commercial available 7-azaindole or from substituted amino-, iodo- or/and nitropyridines using a catalysed palladium reaction or vicarious nucleophilic substitution of hydrogen (VNS) in order to elaborate the 6-, 5- and 4- azaindole derivatives respectively.

AZA-INDOLES AND RELATED COMPOUNDS HAVING SPHINGOSINE-1-PHOSPHATE (S1P) RECEPTOR ANTAGONIST BIOLOGICAL ACTIVITY

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Page/Page column 10, (2010/01/31)

The present invention provides compounds are disclosed herein having the formula: Wherein n is 1 or 2; m is 0 or 1; p is 0, 1 or 2; R1 is aryl, heteroaryl or alkyl; R2 is C1-6 hydrocarbyl, alkylacyl or hydroxyalkyl; R

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