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3β-amino-5α-cholestane is a steroidal compound characterized by the presence of an amino group at the 3β position and a hydrogen atom at the 5α position on the cholestane skeleton. Cholestane is a derivative of cholesterol, a naturally occurring steroid in the body, and serves as the backbone for this particular chemical. The 3β-amino-5α-cholestane structure is significant in medicinal chemistry, as it can be modified to create various biologically active molecules, such as hormones and other pharmaceuticals. 3β-amino-5α-cholestane is of interest to researchers due to its potential applications in drug development, particularly in the areas of cardiovascular and metabolic diseases, as well as in the synthesis of other complex steroidal molecules.

2206-21-5

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2206-21-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2206-21-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,2,0 and 6 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 2206-21:
(6*2)+(5*2)+(4*0)+(3*6)+(2*2)+(1*1)=45
45 % 10 = 5
So 2206-21-5 is a valid CAS Registry Number.

2206-21-5Relevant academic research and scientific papers

The effects of added ammonium chloride in the reductive amination of some carbonyl compounds over Ru and Pd catalysts

Ikenaga, Tomoaki,Matsushita, Kumiko,Shinozawa, Junichi,Yada, Satoru,Takagi, Yuzuru

, p. 2105 - 2109 (2007/10/03)

The reductive amination of acetophenone, (+)-camphor, and 5α-cholestan-3-one over Ru and Pd metals as well as their carbon-supported catalysts gave corresponding amines together with alcohols as by-products. However, we found that the corresponding amines are selectively synthesized by the addition of ammonium chloride to the reaction system with depression of the formation of alcohol, as exemplified with acetophenone. Although alcohols are usually not formed over Pd with alicyclic ketones, the alcohols formation was effectively depressed over Ru in the presence of ammonium chloride. The effects of the additive on the stereoselectivity of the formation of amines are also discussed in the cases of (+)-camphor and 5α-cholestan-3-one.

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