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(3S,5Z,7E)-3-(3,5-dinitro-benzoyloxy)-9,10-seco-ergosta-5,7,10(19),22t-tetraene is a complex organic compound derived from the ergostane family, characterized by its unique stereochemistry and functional groups. This molecule features a 3,5-dinitro-benzoyloxy group attached to the 3-position, a 9,10-seco-ergosta skeleton, and a tetraene system with double bonds at the 5, 7, and 10(19) positions. The compound also has a 22t configuration, indicating the presence of a trans double bond at the 22-position. Its structure is defined by the (3S,5Z,7E) configuration, which specifies the chirality and geometry of the double bonds. (3S,5Z,7E)-3-(3,5-dinitro-benzoyloxy)-9,10-seco-ergosta-5,7,10(19),22t-tetraene is likely to be of interest in the field of organic chemistry, particularly in the study of steroidal compounds and their derivatives, due to its intricate structure and potential applications in pharmaceutical or chemical research.

4712-11-2

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4712-11-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4712-11-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,7,1 and 2 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 4712-11:
(6*4)+(5*7)+(4*1)+(3*2)+(2*1)+(1*1)=72
72 % 10 = 2
So 4712-11-2 is a valid CAS Registry Number.

4712-11-2Relevant academic research and scientific papers

Preparation method of vitamin D2

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Paragraph 0089; 0091; 0100-0102; 0108; 0117-0119; 0125; 0134, (2021/05/12)

The invention belongs to the technical field of medicine synthesis, and particularly relates to a preparation method of vitamin D2. Compared with the prior art, the method has the following beneficial effects: the invention provides a technical scheme for synthesizing vitamin D2 through photochemical reaction, thermal isomerization reaction, esterification reaction and saponification reaction by taking ergosterol as an initial raw material, and according to the technical scheme, the effect of high yield of the vitamin D2 is achieved by comprehensively optimizing an organic solvent system in which photochemical reaction is carried out and the temperature of thermal isomerization reaction and washing a saponification product by adopting a proper washing solution.

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