Cas 1190831-55-0,o-(hexyn-1-yl)benzoic acid hydrazide

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Check Digit Verification of cas no

The CAS Registry Mumber 1190831-55-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,0,8,3 and 1 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1190831-55:
(9*1)+(8*1)+(7*9)+(6*0)+(5*8)+(4*3)+(3*1)+(2*5)+(1*5)=150
150 % 10 = 0
So 1190831-55-0 is a valid CAS Registry Number.

1190831-55-0Upstream product

462637-40-7 2-(1-hexynyl)benzoic acid methyl ester

1190831-55-0Downstream Products

1190831-55-0Relevant articles and documents

Tuning selectivity of anionic cyclizations: Competition between 5-exo and 6-endo-dig closures of hydrazides of o-acetylenyl benzoic acids and based-catalyzed fragmentation/recyclization of the initial 5-exo-dig products

Vasilevsky, Sergey F.,Mikhailovskaya, Tat'yana F.,Mamatyuk, Victor I.,Salnikov, Georgy E.,Bogdanchikov, Georgy A.,Manoharan, Mariappan,Alabugin, Igor V.

supporting information; experimental part, p. 8106 - 8117 (2010/03/04)

(Chemical Equation Presented) Depending on the reaction conditions and the nature of substituents at the triple bond, anionic cyclizations of hydrazides of o-acetylenyl benzoic acids can be selectively directed along three alternative paths, each of which

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1190831-55-0