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(24R,22E)-24-Phenylsulphinyl-5β-cholest-22-ene-3α,6α-diol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

138372-58-4

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138372-58-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138372-58-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,3,7 and 2 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 138372-58:
(8*1)+(7*3)+(6*8)+(5*3)+(4*7)+(3*2)+(2*5)+(1*8)=144
144 % 10 = 4
So 138372-58-4 is a valid CAS Registry Number.

138372-58-4Downstream Products

138372-58-4Relevant academic research and scientific papers

Study on the Synthesis of Brassinolide and Related Compounds. Part 15. Formal Synthesis of Brassinolide via Stereoselective Sulphenate-Sulphoxide Transformation

Zhou, Wei-Shan,Shen, Zheng-Wu

, p. 2827 - 2830 (2007/10/02)

A formal synthesis of the natural growth-promoting steroid brassinolide is described, which involves construction of (22R,23E)-24-methyl-5β-cholest-23-ene-3α,6α,22-triol by methylation of (24R)- and (24S)-(22E)-24-phenylsulphinyl-5β-cholest-22-ene-3α,6α-d

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