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130898-84-9

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130898-84-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 130898-84-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,8,9 and 8 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 130898-84:
(8*1)+(7*3)+(6*0)+(5*8)+(4*9)+(3*8)+(2*8)+(1*4)=149
149 % 10 = 9
So 130898-84-9 is a valid CAS Registry Number.

130898-84-9Relevant articles and documents

CYANOACETYLENE AND ITS DERIVATIVES. XI. REACTIONS OF TERTIARY CYANOALKYNYL ALCOHOLS WITH 2-MERCAPTOETHANOL

Skvortsov, Yu. M.,Moshchevitina, E. I.,Mal'kina, A. G.,Romanenko, L. S.,Trofimov, B. A.

, p. 1055 - 1058 (2007/10/02)

The nucleophilic addition of 2-mercaptoethanol to tertiary cyanoalkynyl alcohols takes place regio- and stereospecifically with the formation of 3-hydroxy-2-(2-hydroxyethylthio)-3,3-dialkyl-1-alkene-1-carbonitriles and 2,7-di(1-hydroxy-1-methylethyl)-6-oxa-3-thia-1,7-octadiene-1,8-dicarbonitrile.Under the influence of bases (triethylamine, lithium hydroxide) the former undergo further transformations, giving 2-amino-5,5-dialkyl-4,5-dihydro-4-furanones.

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