Cas 272447-45-7,C26H25N5O6S

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Check Digit Verification of cas no

The CAS Registry Mumber 272447-45-7 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, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 272447-45:
(8*2)+(7*7)+(6*2)+(5*4)+(4*4)+(3*7)+(2*4)+(1*5)=147
147 % 10 = 7
So 272447-45-7 is a valid CAS Registry Number.

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272447-45-7Relevant 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 (2007/10/03)

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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