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4-carbethoxyhexafluorobutyryl chloride

 
National Institutes of Health

Related topics

Related topics

2 relations

Narrower (1)

4CE-HFBA

Broader (1)

Fluorocarbons

Papers overview

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2005
2005
Rapid simultaneous determination of amphetamine, methamphetamine, 3,4-methylenedioxyamphetamine, 3,4-methylenedioxymethamphetamine, and 3,4-methylenedioxyethylamphetamine in urine by fast gas…
The use of fast gas chromatography-mass spectrometry (FGC-MS) was investigated to improve the efficiency of analysis of urine… Expand
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1998
1998
Isotope dilution gas chromatographic-mass spectrometric measurement of tricyclic antidepressant drugs. Utility of the 4-carbethoxyhexafluorobutyryl derivatives of secondary amines.
Stable isotope dilution gas chromatographic-mass spectrometric (GC-MS) measurement of tricyclic antidepressants (TCA) is a useful… Expand
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1998
1998
Gas chromatography-electron ionization and chemical ionization mass spectrometric analysis of urinary phenmetrazine after derivatization with 4-carbethoxyhexafluorobutyryl chloride--a new derivative.
Phenmetrazine is a central nervous system stimulant currently used as an anorectic agent. The drug is abused and is reported to… Expand
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1997
1997
Gas chromatographic-mass spectrometric identification and quantitation of urinary phenols after derivatization with 4-carbethoxyhexafluorobutyryl chloride, a novel derivative.
Urinary phenol is analyzed widely to determine benzene exposure in humans. Most methods utilize direct measurements of phenols… Expand
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1995
1995
Evaluation of internal standards for the analysis of amphetamine and methamphetamine.
Deuterium-labeled analogues are available for a variety of drugs, but the amphetamines (amphetamine and methamphetamine) have… Expand
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1995
1995
A novel derivatization of ethylene glycol from human serum using 4-carbethoxyhexafluorobutyryl chloride for unambiguous gas chromatography-chemical ionization mass spectrometric identification and…
Ethylene glycol poisoning is a common problem and identification of ethylene glycol in serum is important for both medical and… Expand
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1993
1993
Detection of a GC/MS artifact peak as methamphetamine.
Recently, certain laboratories reported the presence of methamphetamine in several negative urine specimens. We have demonstrated… Expand
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1992
1992
Distinguishing sympathomimetic amines from amphetamine and methamphetamine in urine by gas chromatography/mass spectrometry.
Derivatives of seven commonly used sympathomimetic amines and two "designer amines" were isolated from urine, separated… Expand
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1992
1992
Identification of methamphetamines and over-the-counter sympathometic amines by full-scan GC-ion trap MS with electron impact and chemical ionization.
An underivatized methane chemical ionization (CI) assay for measuring amphetamines in urine was evaluated against derivatized… Expand
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1989
1989
Quantitation of methamphetamine and amphetamine in urine by capillary GC/MS Part II. Derivatization with 4-carbethoxyhexafluorobutyryl chloride.
An analytical procedure for methamphetamine and amphetamine has been developed using 4-carbethoxyhexafluorobutyryl chloride. This… Expand
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