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Merck
CN

335975

(+)-1-(9-Fluorenyl)ethyl chloroformate solution

18 mM in acetone, derivatization grade (chiral)

Synonym(s):

(+)-FLEC solution

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About This Item

Empirical Formula (Hill Notation):
C16H13ClO2
CAS Number:
Molecular Weight:
272.73
MDL number:
UNSPSC Code:
12352005
PubChem Substance ID:
NACRES:
NA.22
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grade

derivatization grade (chiral)

vapor density

2 (vs air)

vapor pressure

180 mmHg ( 20 °C)

form

liquid

concentration

18 mM in acetone

refractive index

n20/D 1.3602

density

0.79 g/mL at 25 °C

functional group

chloro

storage temp.

2-8°C

SMILES string

ClC(=O)OC(C1c2c(cccc2)c3c1cccc3)C

InChI

1S/C16H13ClO2/c1-10(19-16(17)18)15-13-8-4-2-6-11(13)12-7-3-5-9-14(12)15/h2-10,15H,1H3

InChI key

SFRVOKMRHPQYGE-UHFFFAOYSA-N

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General description

(+)-1-(9-Fluorenyl)ethyl chloroformate is a highly fluorescent compound1 commonly used as a chiral derivatizing agent for the separation of racemates prior to reversed-phase HPLC analysis.

Application

  • Chiral analysis of β-methylamino alanine (BMAA) enantiomers: Details the use of (+)-1-(9-fluorenyl)-ethyl chloroformate (FLEC) for derivatization followed by LC-MS/MS analysis, improving the understanding of amino acids′ stereochemistry (Zurita et al., 2019).
  • Enantioselective micellar electrokinetic chromatography of dl‐amino acids: Utilizes (+)-1-(9-fluorenyl)ethyl chloroformate derivatization combined with UV-induced fluorescence detection to analyze amino acids, enhancing analytical methodologies (Prior et al., 2018).

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Flam. Liq. 2 - STOT SE 3

Target Organs

Central nervous system

Supplementary Hazards

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

1.4 °F

Flash Point(C)

-17 °C

Regulatory Information

危险化学品
易制毒化学品(3类)
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Reversed-phase high-performance liquid chromatographic analysis of atenolol enantiomers in plasma after chiral derivatization with (+)-1-(9-fluorenyl) ethyl chloroformate.
Rosseel MT, et al.
Journal of Chromatography. B, Biomedical Applications, 568(1), 239-245 (1991)
N Todoroki et al.
Journal of chromatography. B, Biomedical sciences and applications, 728(1), 41-47 (1999-06-24)
The natural occurrence of N-methyl-D-aspartate (NMDA) is limited to the foot muscle of Scapharca broughtonii; it is a well known compound for its neuroexitatory activity. This paper describes a high-performance liquid chromatographic (HPLC) method for the determination of NMDA in
Sascha Freimüller et al.
Journal of pharmaceutical and biomedical analysis, 30(2), 209-218 (2002-08-23)
An indirect enantioseparation method for robust and precise determination of D-Carnitine (D-C) in L-Carnitine (L-C) in the range of 0.1-1.0% is presented. The method is based on derivatization of Carnitine with (+)-[1-(9-fluorenyl)-ethyl]-chloroformate ((+)-FLEC). The two diastereomers are subsequently separated of
Radu-Cristian Moldovan et al.
Journal of chromatography. A, 1564, 199-206 (2018-06-19)
A targeted CE-MS approach was developed for the chiral analysis of biologically relevant amino acids in artificial cerebrospinal fluid (aCSF). In order to achieve chiral resolution, the five amino acids (Ser, Asn, Asp, Gln and Glu) were derivatized with (+)-1-(9-fluorenyl)ethyl
T Teerlink et al.
Clinica chimica acta; international journal of clinical chemistry, 183(3), 309-315 (1989-08-31)
A method to measure total hydroxyproline in human urine was developed. Primary amino acids were derivatized with ortho-phthaldialdehyde, followed by derivatization of imino acids with 9-fluorenylmethyl chloroformate. The fluorescent 9-fluorenylmethyl chloroformate derivatives were separated by reversed phase high-performance liquid chromatography.

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