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23,24-dinorcholic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

38917-20-3

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38917-20-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 38917-20-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,9,1 and 7 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 38917-20:
(7*3)+(6*8)+(5*9)+(4*1)+(3*7)+(2*2)+(1*0)=143
143 % 10 = 3
So 38917-20-3 is a valid CAS Registry Number.

38917-20-3Downstream Products

38917-20-3Relevant academic research and scientific papers

A convenient synthesis of dinorbile acids: Oxidative hydrolysis of norbile acid nitriles

Batta, Ashok K.,Datta, Subhash C.,Tint, G. Stephen,Alberts, David S.,Earnest, David L.,Salen, Gerald

, p. 780 - 784 (1999)

We report a convenient method for the synthesis of dinorbile acids (23,24-dinor-5β-cholan-22-oic acids, pregnane-20-carboxylic acids) in fair to good yields from norbile acid nitriles in one step by oxidative hydrolysis with oxygen in the presence of potassium-t-butoxide. The method results in stepwise overall removal of two carbon atoms in bile acid side chains in two steps. Dinorbile acids corresponding to several common bile acids have been prepared and their structures confirmed by spectroscopic methods. This simple method for synthesis of dinorbile acids may facilitate their study metabolically.

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