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3,3-dimethyl-4-phenyl-5-(phenylsulfonyl)-3H-pyrazole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

119145-34-5

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119145-34-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 119145-34-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,1,4 and 5 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 119145-34:
(8*1)+(7*1)+(6*9)+(5*1)+(4*4)+(3*5)+(2*3)+(1*4)=115
115 % 10 = 5
So 119145-34-5 is a valid CAS Registry Number.

119145-34-5Relevant academic research and scientific papers

Dipolar cycloaddition reaction of diazoalkanes with trimethylsilyl substituted alkynes. Steric control of regiochemistry by the trimethylsilyl group

Padwa, Albert,Wannamaker, M. Woods

, p. 1145 - 1162 (2007/10/02)

A study of the cycloaddition behavior of several trimethylsilyl substituted alkynes with 2-diazopropane and diazomethane has been carried out. Aryl or alkyl ethynyl sulfones react to give 5-sulfonyl substituted 3H-pyrazoles which extrude nitrogen on photo

Photochemistry of Cyclopropene Derivatives. 34. Photocycloaddition Reactions of 2-Alkenyl-Substituted Cyclopropenes

Padwa, Albert,Krumpe, Keith E.,Terry, Lenny W.,Wannamaker, M. Woods

, p. 1635 - 1642 (2007/10/02)

The sensitized irradiation of 2-(4-pentenyl)-substituted cyclopropenes produces tricyclo1,3>octanes by means of novel intramolecular cycloaddition.In dramatic contrast to the photochemical results, thermolysis affords a product co

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