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(RS)-2-fluoro-3-cyclohexylpropionic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

81520-20-9

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81520-20-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81520-20-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,5,2 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 81520-20:
(7*8)+(6*1)+(5*5)+(4*2)+(3*0)+(2*2)+(1*0)=99
99 % 10 = 9
So 81520-20-9 is a valid CAS Registry Number.

81520-20-9Upstream product

81520-20-9Downstream Products

81520-20-9Relevant academic research and scientific papers

STEREOSPECIFICITY IN THE TRANSFORMATION OF α-AMINOACIDS INTO FLUOROACIDS

Faustini, Franco,Munari, Sergio De,Panzeri, Achille,Villa, Vittoria,Gandolfi, Carmelo A.

, p. 4533 - 4536 (1981)

In the reaction of α-aminoacids with excess NaNO2 in polyhydrogen fluoride-pyridine, stereospecific substitution (i.e. retention of configuration) is observed with C6H11CH2CHNH2COOH, while a stereospecific rearrangment occurs in the case of phenylalanine.

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