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:
Molecular Weight:
272.73
MDL number:
UNSPSC Code:
41115716
PubChem Substance ID:
NACRES:
NA.22
grade
derivatization grade (chiral)
Quality Level
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
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 [(+)-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.
Application
(+)-FLEC may be used in enantioselective analysis of glufosinate using reversed-phase high-performance liquid chromatography system coupled with a fluorescence detection system.
Physical form
solution, 5 mg in 1 mL acetone
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
Legal Information
ChiraSelect is a trademark of Sigma-Aldrich Co. LLC
LiChropur is a trademark of Merck KGaA, Darmstadt, Germany
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3
Target Organs
Central nervous system
Supplementary Hazards
Storage Class Code
3 - Flammable liquids
WGK
WGK 2
Flash Point(F)
1.4 °F
Flash Point(C)
-17 °C
Regulatory Information
易制毒化学品（3类）
危险化学品
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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)
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
F Lai et al.
Journal of pharmaceutical and biomedical analysis, 11(2), 117-120 (1993-02-01)
In the liquid chromatographic analysis of pharmaceuticals, two challenges are often encountered: detectivity and chiral separations. Propranolol, a beta adrenergic blocker, is a pharmaceutical compound that faces both of these limitations. In this study, both limitations are overcome simultaneously using
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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