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4,4-Diphenyl-2-thioxo-1-p-tolyl-but-3-en-1-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

117749-91-4

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117749-91-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117749-91-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,7,4 and 9 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 117749-91:
(8*1)+(7*1)+(6*7)+(5*7)+(4*4)+(3*9)+(2*9)+(1*1)=154
154 % 10 = 4
So 117749-91-4 is a valid CAS Registry Number.

117749-91-4Downstream Products

117749-91-4Relevant academic research and scientific papers

A New Propargylic Rearrangement of Acetylenic Alcohols by P4S10. A New Preparative Method for Monothio-α-diketone

Toda, Fumio,Tokunaga, Yasuyuki

, p. 1299 - 1300 (2007/10/02)

Treatment of acetylenic alcohols with phosphorus pentasulfide P4S10 at room temperature gave thioketones.Similarly, treatment of acetylenic alcohol having a carbonyl group on its acetylenic carbon gave monothio-α-diketone.It was clarified that four sulfur

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