Cas 750586-53-9,2-N-tert-butoxycarbonylamino-5-p-chlorobenzoylthiophene

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Check Digit Verification of cas no

The CAS Registry Mumber 750586-53-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,5,0,5,8 and 6 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 750586-53:
(8*7)+(7*5)+(6*0)+(5*5)+(4*8)+(3*6)+(2*5)+(1*3)=179
179 % 10 = 9
So 750586-53-9 is a valid CAS Registry Number.

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750586-53-9Relevant academic research and scientific papers

2-Aminothiabutadiene as useful building block in the synthesis of 2-aminothiopyrans and 2-aminothiophenes

Robin, Aelig,Meslin, Jean-Claude,Deniaud, David

, p. 1633 - 1640 (2004)

We report a reliable and regiocontrolled alternative route to unsubstituted 2-aminothiopyrans and 2-aminothiophenes. These sulfur heterocycles were prepared by reaction of protected aminothiabutadiene 1 with acrylic dienophiles or acceptor-substituted halomethyl compounds. All compounds were fully characterized by IR, HRMS, and 13C and 1H NMR spectroscopy.

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