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3,4-dimethoxythiobenzophenone is an organic compound with the chemical formula C15H14O2S. It is a derivative of benzophenone, featuring two methoxy groups (-OCH3) attached to the benzene rings at the 3 and 4 positions, and a thioketone (C=S) functional group connecting the two benzene rings. 3,4-dimethoxythiobenzophenone is known for its potential applications in the synthesis of various pharmaceuticals, agrochemicals, and other organic compounds due to its unique structure and reactivity. It is typically synthesized through the condensation of 3,4-dimethoxybenzaldehyde with an appropriate thioketone precursor. 3,4-dimethoxythiobenzophenone is a pale yellow solid and is sensitive to light and air, requiring proper storage conditions to maintain its stability.

4038-21-5

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4038-21-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4038-21-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,0,3 and 8 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 4038-21:
(6*4)+(5*0)+(4*3)+(3*8)+(2*2)+(1*1)=65
65 % 10 = 5
So 4038-21-5 is a valid CAS Registry Number.

4038-21-5Downstream Products

4038-21-5Relevant academic research and scientific papers

Investigations of the Thermal Responsiveness of 1,4,2-Oxathiazoles

Hewitt, Russell J.,Ong, Michelle Jui Hsien,Lim, Yi Wee,Burkett, Brendan A.

supporting information, p. 6687 - 6700 (2015/10/29)

The first systematic study of the thermal rearrangement/fragmentation of 5,5-disubstituted 1,4,2-oxathiazoles into isothiocyanates is reported. Structure-activity relationships reveal that the choice of substituent at the 5-position of the 1,4,2-oxathiazoles is the predominant factor to influence the ease of fragmentation.

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