FAQ

4-carbethoxyhexafluorobutyryl chloride

 
National Institutes of Health

Topic mentions per year

Topic mentions per year

1989-2005
01219892005

Related topics

Related topics

1 relation

Broader (1)

Fluorocarbons

Related mentions per year

Related mentions per year

1948-2018
19401960198020002020
4-carbethoxyhexafluorobutyryl chloride
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… (More)
Is this relevant?
1999
1999
Gas chromatographic/mass spectrometric identification and quantification of aniline after extraction from serum and derivatization with 4-carbethoxyhexafluorobutyryl chloride, a new derivative.
Aniline, widely used as an intermediate in the synthesis of dye, is also used in the manufacture of pharmaceuticals, photographic… (More)
Is this relevant?
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… (More)
  • figure 2
  • figure 1
  • figure 4
  • figure 3
  • table I
Is this relevant?
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… (More)
Is this relevant?
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… (More)
Is this relevant?
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… (More)
Is this relevant?
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… (More)
Is this relevant?
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… (More)
Is this relevant?
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… (More)
Is this relevant?
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… (More)
Is this relevant?