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119754-14-2

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119754-14-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 119754-14-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,7,5 and 4 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 119754-14:
(8*1)+(7*1)+(6*9)+(5*7)+(4*5)+(3*4)+(2*1)+(1*4)=142
142 % 10 = 2
So 119754-14-2 is a valid CAS Registry Number.

119754-14-2Relevant articles and documents

Asymmetric Intermolecular Heck Reaction of Propargylic Acetates and Cycloalkenes to Access Fused Cyclobutenes

Jiao, Zhiwei,Shi, Qi,Zhou, Jianrong Steve

supporting information, p. 14567 - 14571 (2017/10/23)

An asymmetric Heck annulation of propargylic acetates with several types of cyclic olefins affords highly strained cyclobutenes in high enantioselectivity.

Synthesis of Some Substituted Dimethyl and Diethyl 4-(Phenylethynyl)-2,6-pyridinedicarboxylates

Takalo, Harri,Kankare, Jouko,Haenninen, Elina

, p. 448 - 454 (2007/10/02)

Substituted dimethyl and diethyl 4-(phenylethynyl)-2,6-pyridinedicarboxylates were prepared by coupling reactions between dialkyl 4-halo-2,6-pyridinedicarboxylates and terminal arylacetylenes in the presence of an organopalladium catalyst and copper(I) iodide in a suitable solvent system.The terminal acetylenes needed in this work were synthesized from the corresponding aryl halides using either (trimethylsilyl)acetylene or 2-methyl-3-butyn-2-ol followed by deprotection of the triple bond, depending on the nature of the compound in question.

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