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2,5-diphenyl-3-chloro-6-thiathiophthene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

33664-68-5

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33664-68-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33664-68-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,6,6 and 4 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 33664-68:
(7*3)+(6*3)+(5*6)+(4*6)+(3*4)+(2*6)+(1*8)=125
125 % 10 = 5
So 33664-68-5 is a valid CAS Registry Number.

33664-68-5Upstream product

33664-68-5Relevant academic research and scientific papers

A NEW SYNTHESIS OF 6-THIATHIOPHTHENES FROM ACETYLENIC β-DIKETONES

Marei, Mohamed Gaber,Mishrikey, Morcos Michael

, p. 229 - 234 (2007/10/02)

A new method for the synthsis of 2,5-diaryl-6-thiathiophthenes is described involving the reaction of 1,5-diarylpent-1-yne-3,5-diones with phosphorus pentasulfide.The reaction of 3-chloro-6-thiathiophthenes with hydrazine hydrate gave pyrazole derivatives

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