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www.sigmaaldrich.com, Thiols


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methanethiol (74-93-1)  
methylmercaptan  ·  methanethiolate  ·  methylmercaptan, mercury (2+) salt
Methanethiol (also known as methyl mercaptan) is an organosulfur compound with the chemical formula CH 3SH. It is a colorless gas with a distinctive putrid smell. It is a natural substance found in the blood and brain of humans and animals, as well as in plant tissues.
Benzenethiol (108-98-5)  
thiophenol  ·  thiophenate  ·  thiophenol, sodium salt
Thiophenol is an organosulfur compound with the formula C6H5SH, sometimes abbreviated as PhSH. This foul-smelling colourless liquid is the simplest aromatic thiol. The chemical structures of thiophenols are analogous to phenols except the oxygen atom in the hydroxyl group (-OH) bonded to the aromatic ring is replaced by a sulfur atom.
Ethanethiol (75-08-1)  
ethyl mercaptan  ·  ethanethiol silver salt (+2)  ·  ethanethiol sodium salt
Ethanethiol, commonly known as ethyl mercaptan, is a clear liquid with a distinct odor. It is an organosulfur compound with the formula CH3CH2SH. Abbreviated EtSH, it consists of an ethyl group (Et), CH3CH2, attached to a thiol group, SH.
L-cysteine (62488-11-3, 52-90-4, 921-01-7)  
Cysteine  ·  Cysteine Hydrochloride  ·  Half Cystine
Cysteine (abbreviated as Cys or C) is a semi-essential proteinogenic amino acid with the formula HO2CCH(NH2)CH2SH. It is encoded by the codons UGU and UGC. The thiol side chain in cysteine often participates in enzymatic reactions, as a nucleophile.
mercaptoacetic acid (68-11-1)  
thioglycolic acid  ·  sodium thioglycollate  ·  sodium thioglycolate
Thioglycolic acid (TGA) is the organic compound HSCH2CO2H. TGA is often called mercaptoacetic acid (MAA). It contains both a thiol (mercaptan) and carboxylic acid functional groups.
1-Butanethiol (109-79-5)  
butanethiol  ·  n-butyl mercaptan, molybdenum (+3) salt  ·  n-butyl mercaptan, lead (+2) salt
Butanethiol, also known as butyl mercaptan, is a volatile, clear to yellowish liquid with a fetid (extremely foul-smelling) odor, commonly described as "skunk" odor. In fact, butanethiol is structurally similar to several major constituents of a skunk's defensive spray but is not actually present in the spray. The scent of butanethiol is so strong that the human nose can easily detect it in the air at concentrations as low as 10 parts per billion.
captopril (62571-86-2)  
Capoten  ·  SQ 14225  ·  SQ 14,225
Captopril, sold under the trade name Capoten, is an angiotensin-converting enzyme (ACE) inhibitor used for the treatment of hypertension and some types of congestive heart failure. Captopril was discovered in 1977. It was the first ACE inhibitor developed and was considered a breakthrough both because of its novel mechanism of action and also because of the revolutionary development process.
glutathione (70-18-8, 98726-08-0)  
Reduced Glutathione  ·  gamma L Glutamyl L Cysteinylglycine  ·  gamma-L-Glutamyl-L-Cysteinylglycine
Glutathione (GSH) is an important antioxidant in plants, animals, fungi, and some bacteria and archaea. Glutathione is capable of preventing damage to important cellular components caused by reactive oxygen species such as free radicals, peroxides, lipid peroxides, and heavy metals. It is a tripeptide with a gamma peptide linkage between the carboxyl group of the glutamate side chain and the amine group of cysteine, and the carboxyl group of cysteine is attached by normal peptide linkage to a glycine.
PENTACHLOROTHIOPHENOL (117-97-5, 133-49-3)  
Pentachlorobenzenethiol is a chemical compound from the group of thiols and organochlorine compounds. The chemical formula is C 6HCl 5S.
2-Methyl-2-propanethiol (75-66-1)  
tert-butylthiol, lead (2+) salt  ·  tert-butylthiol, lithium salt  ·  tert-butylthiol
tert-Butylthiol, also known as 2-methylpropane-2-thiol, 2-methyl-2-propanethiol, tert-butyl mercaptan (TBM), and t-BuSH, is an organosulfur compound with the formula (CH3)3CSH. This thiol is used as an odorant for natural gas, which is otherwise odorless. It may also have been used as a flavoring agent.
Benzyl mercaptan is an organosulfur compound with the formula C6H5CH2SH. It is a common laboratory alkylthiol that occurs in trace amounts naturally. It is a colorless, malodorous liquid.
Ammonium thioglycolate, also known as perm salt, is the salt of thioglycolic acid and ammonia. It has the formula HSCH2CO2NH4 and has use in perming hair.
Ammonium mercaptoacetate (5421-46-5)  
thioglycolic acid  ·  mercaptoacetic acid  ·  sodium thioglycollate
1,2-ETHANEDITHIOL (540-63-6)  
ethanedithiol  ·  2-mercaptoethanol disulfide  ·  ethandithiol
1,2-Ethanedithiol, also known as EDT, is a colorless liquid with the formula C2H4(SH)2. It has a very characteristic odor which is compared by many people to rotten cabbage. It is a common building block in organic synthesis and an excellent ligand for metal ions.
Dithiothreitol (6892-68-8, 3483-12-3, 27565-41-9)  
Cleland's Reagent  ·  Sputolysin  ·  Cleland Reagent
1-HEXADECANETHIOL (2917-26-2)  
hexadecanethiol  ·  hexadecane-1-thiol
1-Hexadecanethiol is a chemical compound from the group of thiols. Its chemical formula is C 16H 34S.
1,3-Propanedithiol (109-80-8)  
1,3-Propanedithiol is the chemical compound with the formula HSCH2CH2CH2SH. This dithiol is a useful reagent in organic synthesis. This liquid, which is readily available commercially, has an intense stench.
L-Dithiothreitol (16096-97-2, 3483-12-3, 27565-41-9)  
Dithiothreitol  ·  Cleland's Reagent  ·  Sputolysin
Omapatrilat (167305-00-2)  
Omapatrilat (INN, proposed trade name Vanlev) is an experimental antihypertensive agent that was never marketed. It inhibits both neprilysin (neutral endopeptidase, NEP) and angiotensin-converting enzyme (ACE). NEP inhibition results in elevated natriuretic peptide levels, promoting natriuresis, diuresis, vasodilation, and reductions in preload and ventricular remodeling.
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