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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

Semantic Scholar uses AI to extract papers important to this topic.
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
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
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
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
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
Highly Cited
1992
Highly Cited
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
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
Highly Cited
1989
Highly Cited
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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