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3α-fluoroandrost-5-en-17-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

28344-45-8

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28344-45-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28344-45-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,3,4 and 4 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 28344-45:
(7*2)+(6*8)+(5*3)+(4*4)+(3*4)+(2*4)+(1*5)=118
118 % 10 = 8
So 28344-45-8 is a valid CAS Registry Number.

28344-45-8Upstream product

28344-45-8Downstream Products

28344-45-8Relevant academic research and scientific papers

Preparation of 3,17- and 3,20-difluoro-derivatives of the androst-5-ene and pregn-5-ene series

Decreau, Richard A.,Marson, Charles M.

, p. 4369 - 4385 (2004)

Unsaturated mono- and difluorosteroids have been prepared in high yield using n-perfluorobutanesulfonyl fluoride 1. The 3,17- and 3,20-difluoro-5,6- dehydrosteroids are reported for the first time. 3-Fluoroderivatives of the androst-5-ene-17-one and 5α-an

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