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Merck

23182

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

≥18 mM in acetone, derivatization grade (chiral), LiChropur™

Synonym(s):

(+)-FLEC solution

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About This Item

Empirical Formula (Hill Notation):
C16H13ClO2
CAS Number:
107474-79-3
Molecular Weight:
272.73
UNSPSC Code:
41115716
PubChem Substance ID:
329752390
NACRES:
NA.22
MDL number:
MFCD00043429

Key Documents

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Product Name

(+)-1-(9-Fluorenyl)ethyl chloroformate solution, ≥18 mM in acetone, derivatization grade (chiral), LiChropur™

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

grade

derivatization grade (chiral)

product line

ChiraSelect™

optical purity

enantiomeric ratio: ≥99.0:1.0 (HPLC)

quality

LiChropur™

concentration

≥18 mM in acetone

technique(s)

HPLC: suitable

refractive index

n20/D 1.359

storage temp.

2-8°C

Quality Level

100

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Application

(+)-FLEC may be used in enantioselective analysis of glufosinate using reversed-phase high-performance liquid chromatography system coupled with a fluorescence detection system.

General description

(+)-1-(9-Fluorenyl)ethyl chloroformate [(+)-FLEC] is a chiral derivatizing reagent. It helps in separating enantiomers of α-amino acids, as well as helps in determining its optical purity using HPLC method.

Other Notes

Chiral derivatizing agent for primary and secondary amino acids and amines. The derivatives are separated by reversed-phase LC with fluorescence detection for determining the enantiomeric purity
Discover LiChropur reagents ideal for HPLC or LC-MS analysis

Physical form

solution, 5 mg in 1 mL acetone

Legal Information

ChiraSelect is a trademark of Sigma-Aldrich Co. LLC
LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

pictograms

FlameExclamation mark
GHS02,GHS07

signalword

Danger

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3

target_organs

Central nervous system

supp_hazards

EUH066

Storage Class

3 - Flammable liquids

wgk

WGK 2

flash_point_f

1.4 °F

flash_point_c

-17 °C

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Certificates of Analysis (COA)

Lot/Batch Number
BCCK9223
BCCJ4805
BCCG5302
BCCB4426
BCBZ3702

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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
Zeineb Aturki et al.
Electrophoresis, 25(4-5), 607-614 (2004-02-26)
The indirect resolution of five beta-adrenoreceptor blocking agents (propranolol, oxprenolol, pindolol, metoprolol, and atenolol) using precolumn derivatization with (+)-1-(9-fluorenyl)ethyl chloroformate (FLEC), and capillary electrochromatography (CEC) is reported. Three octadecylsilanized (ODS) silica gel-based stationary phases, differing in particle diameter and carbon
[A method for separation of DL-amino acids].
T H Akiyama et al.
Tanpakushitsu kakusan koso. Protein, nucleic acid, enzyme, 40(1), 76-83 (1995-01-01)
A Roux et al.
Journal of chromatography, 570(2), 453-461 (1991-10-04)
A method for the determination of the R-(+) and S-(-) enantiomers of propranolol in blood was developed. After extraction with heptane-isopentanol and derivatization with (+)-1-(9-fluorenyl)ethyl chloroformate, excess reagent was removed using solid-phase extraction. The enantiomers were separated on an achiral
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