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67733-54-4

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67733-54-4 Usage

Chemical Properties

White Solid

Uses

6α-Hydroxy bile acid analog. A receptor-specific activator of nuclear liver X receptor alpha.

Check Digit Verification of cas no

The CAS Registry Mumber 67733-54-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,7,3 and 3 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 67733-54:
(7*6)+(6*7)+(5*7)+(4*3)+(3*3)+(2*5)+(1*4)=154
154 % 10 = 4
So 67733-54-4 is a valid CAS Registry Number.

67733-54-4Relevant articles and documents

3-carbonyl-6alpha-hydroxyl-5beta-cholanic acid synthesis method

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Paragraph 0013; 0014; 0015; 0016; 0017; 0018, (2019/01/23)

The invention discloses a 3-carbonyl-6alpha-hydroxyl-5beta-cholanic acid synthesis method. The hyodeoxycholic acid (HDCA) is used to have an oxidizing reaction with an oxidizing agent, a 3-hydroxyl ishighly selectively oxidized to synthesize a target product, the synthesis process is simple in flow and is easy to control, the source of the raw material is wide, the raw material is easy to get, and the 3-carbonyl-6alpha-hydroxyl-5beta-cholanic acid can be produced on a large scale.

Regiospecific oxidoreductions catalyzed by a new Pseudomonas paucimobilis hydroxysteroid dehydrogenase

Bianchini, Ercolina,Chinaglia, Nicola,Dean, Mariangela,Giovannini, Pier Paolo,Medici, Alessandro,Pedrini, Paola,Poli, Silvia

, p. 1391 - 1398 (2007/10/03)

The preparative-scale regio- and stereo-specific oxidation of hydroxy groups and reduction of keto functions at C(3) of several C21 bile acids, catalyzed by a new 3α-hydroxysteroid dehydrogenase (3α-HSDH) is reported. The crude enzyme, isolated from the cells of Pseudomonas paucimobilis, revealed the presence of a further enzymatic fraction containing a secondary alcohol dehydrogenase (SADH), that has been used to recycle the cofactor.

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