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(+/-)-7c-isopropyl-4r-methyl-hexahydro-azepin-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

50517-54-9

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50517-54-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 50517-54-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,5,1 and 7 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 50517-54:
(7*5)+(6*0)+(5*5)+(4*1)+(3*7)+(2*5)+(1*4)=99
99 % 10 = 9
So 50517-54-9 is a valid CAS Registry Number.

50517-54-9Upstream product

50517-54-9Relevant academic research and scientific papers

A reinvestigation of the Beckmann rearrangement of (-)-menthone oxime: Preparation of (+)-(3S,6R)-3-isopropyl-6-methylhexahydroazepin-2-one

Komatsu,Simizu,Sugita

, p. 277 - 279 (1992)

The titled compound was prepared by the Beckmann rearrangement of (-)-menthone oxime in polyphosphoric acid, and the value of its optical rotation was revised.

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