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37009-55-5

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37009-55-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 37009-55-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,7,0,0 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 37009-55:
(7*3)+(6*7)+(5*0)+(4*0)+(3*9)+(2*5)+(1*5)=105
105 % 10 = 5
So 37009-55-5 is a valid CAS Registry Number.

37009-55-5Relevant articles and documents

Synthesis method of alpha-acylamino ketone compound

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Paragraph 0027-0029; 0030-0032; 0050, (2020/12/08)

The invention discloses a synthesis method of an alpha-acylamino ketone compound, and belongs to the technical field of organic synthesis. The preparation method comprises the following steps: mixingan alkenyl azide compound 1, a carboxylic acid compound 2 and an organic solvent, and heating to react to obtain the alpha-acylamino ketone compound 3. Compared with the prior art, the method has thefollowing advantages: (1) the synthesis process is simple and efficient, no catalyst is needed in the whole process, and the alpha-acylamino ketone compound can be obtained with high yield by dissolving the alkenyl azide compound and the carboxylic acid compound in the solvent and stirring; (2) raw materials are cheap and easy to obtain, reaction conditions are mild, and operation is simple; (3) the substrate is wide in application range and can be used for modifying drug molecules; and (4) the atom economy is high, and the requirements of green chemistry are met.

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