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3-(1,3,5-trioxo-7,11-diphenyl-2,4-diaza-spiro[5.5]undec-8-en-9-ylsulfanyl)-propionic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

272447-22-0

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272447-22-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 272447-22-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,2,4,4 and 7 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 272447-22:
(8*2)+(7*7)+(6*2)+(5*4)+(4*4)+(3*7)+(2*2)+(1*2)=140
140 % 10 = 0
So 272447-22-0 is a valid CAS Registry Number.

272447-22-0Relevant academic research and scientific papers

Synthesis of spiro-tetrahydrobenzothieno-1,2,3-selena/thiadiazoles and spiro-tetra hydrothiochromeno-1,2,3-selena/thiadiazoles

Bhaskar Reddy,Ramana Reddy,Padmaja,Padmavathi

, p. 191 - 199 (1998)

The title compounds have been prepared by exploiting α-ketomethylene group in spiro-tetrahydrobenzothienones/thiochromenones by oxidative cyclization with SeO2 and Hurd-Mori reaction process with SOCl2. The latter compounds have been

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