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Merck
CN

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

Regulatory Information

危险化学品
易制毒化学品（3类）
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Certificates of Analysis (COA)

Lot/Batch Number
BCCK9223
BCCJ4805
BCCG5302
BCCB4426
BCBZ3702

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Separation of enantiomers of a-hydroxy acids by reversed-phase liquid chromatography after derivatization with 1-(9-fluorenyl) ethyl chloroformate.
Fransson, Bengt, and Ulf Ragnarsson.
Journal of Chromatography A, 827, 31-36 (1998)
Separation of amino acid enantiomers and chiral amines using precolumn derivatization with (+)-1-(9-fluorenyl)ethyl chloroformate and reversed-phase liquid chromatography.
S Einarsson et al.
Analytical chemistry, 59(8), 1191-1195 (1987-04-15)
Yasushi Hori et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 776(2), 191-198 (2002-07-26)
We have developed a new analytical method to quantify the DL-homoalanine-4-yl(methyl)phosphinate (DL-GLUF) enantiomers in biological specimens using a reversed-phase high-performance liquid chromatography system with a fluorescence detection system. The derivatization of DL-GLUF enantiomers with (+)-1-(9-fluorenyl)ethyl chloroformate was carried out under
Identifying the carboxy terminal amino acid of a protein.
T H Akiyama et al.
Methods in molecular biology (Clifton, N.J.), 64, 235-242 (1997-01-01)
E Frigerio et al.
Journal of chromatography. A, 660(1-2), 351-358 (1994-02-04)
A sensitive and selective high-performance liquid chromatographic method for the determination of reboxetine enantiomers in human plasma was developed. Although two chiral centres are present in reboxetine, its stereospecific synthesis leads to two rather than four possible enantiomers. After extraction
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