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23-Keto-sarsasapogenin-acetat is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

28404-65-1

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28404-65-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28404-65-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,4,0 and 4 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 28404-65:
(7*2)+(6*8)+(5*4)+(4*0)+(3*4)+(2*6)+(1*5)=111
111 % 10 = 1
So 28404-65-1 is a valid CAS Registry Number.

28404-65-1Relevant academic research and scientific papers

On reactions of spirostane sapogenins with benzeneseleninic anhydride

Jastrzbska, Izabella,Dobrogowska, Aneta,Lutostańska, Ewa,Morzycki, Jacek W.

experimental part, p. 5024 - 5029 (2010/08/20)

Direct dehydrogenation of spirostane sapogenins with benzeneseleninic anhydride/iodoxybenzene afforded the Δ22 derivatives in low yields. The reactions catalyzed by BF3/Et2O produced the 23-oxo-sapogenins in addition to th

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