U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

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Showing 171 - 180 of 1468 results

Glycyrrhizic Acid is specific compound isolated from licorice plants. Ammonium Glycyrrhizate (also known as GLYCYRRHIZIN, AMMONIATED) is a salt, was investigated to be a safe and is used as ingredient in the formulation of makeup, fragrance, hair care, skin care, shaving, personal hygiene and suntan products.
Status:
US Previously Marketed
Source:
Hyoscyamine Hydrobromide U.S.P.
(1921)
Source URL:
First marketed in 1921
Source:
Hyoscyamine Hydrobromide U.S.P.
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)


Hyoscyamine as a natural plant alkaloid derivative and anticholinergic. Hyoscyamine is used to treat a variety of stomach/intestinal problems such as cramps and irritable bowel syndrome. It is also used to treat other conditions such as bladder and bowel control problems, cramping pain caused by kidney stones and gallstones, and Parkinson's disease. In addition, it is used to decrease side effects of certain medications (drugs used to treat myasthenia gravis) and insecticides. Hyoscyamine inhibits specifically the actions of acetylcholine on structures innervated by postganglionic cholinergic nerves and on smooth muscles that respond to acetylcholine but lack cholinergic innervation. These peripheral cholinergic receptors are present in the autonomic effector cells of the smooth muscle, cardiac muscle, the sinoatrial node, the atrioventricular node, and the exocrine glands. At therapeutic doses, it is completely devoid of any action on autonomic ganglia. Side effects include dry mouth and throat, increased appetite leading to weight gain, eye pain, blurred vision, restlessness, dizziness, arrhythmia, flushing, and faintness. Additive adverse effects resulting from cholinergic blockade may occur when hyoscyamine is administered concomitantly with other antimuscarinics, amantadine, haloperidol, phenothiazines, monoamine oxidase (MAO) inhibitors, tricyclic antidepressants or some antihistamines.
Status:
US Previously Marketed
Source:
Thymol Iodide U.S.P.
(1921)
Source URL:
First marketed in 1921
Source:
Thymol Iodide U.S.P.
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)


Thymol iodide a dry powder antiseptic; has been used as a substitute for iodoform in skin diseases, wounds, ulcers, etc. It was shown that intrapleural instillation of a slurry of iodized talc (part of which is a thymol iodide) is a safe, adequate, and effective treatment for control of neoplastic or benign pleural effusions.
Status:
US Previously Marketed
Source:
Hydrastine Hydrochloride U.S.P.
(1921)
Source URL:
First marketed in 1921
Source:
Hydrastine Hydrochloride U.S.P.
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)



Hydrastine is an alkaloid, one of the chief components of goldenseal (Hydrastis canadensis) which was discovered in 1851 by Alfred P. Durand. Goldenseal is unique from other hydrastine containing plants in that (-)-β- hydrastine is the only hydrastine isomer present, while the (+)-enantiomer is found in other hydrastine-containing plants. . While a number of therapeutic activities have been attributed to berberine, the pharmacological effects of hydrastine are less studied and its safety profile is poorly understood and to frame the relevant pharmacological effects of hydrastine within the specific stereochemistry found in goldenseal. Hydrastine has been shown to have several specific biological activities including, inhibition of tyrosine hydroxylase in PC-12 cells, a relaxant effect on guinea pig isolated trachea, and inhibition of several cytochrome P450 (CYP) enzymes. Toxicological studies performed on goldenseal powder in mice and rats indicate that at commonly used doses goldenseal supplements are non-toxic, thus its constituents are likely to be safe for human use when taken at reasonable doses. Despite goldenseal’s widespread usage, the pharmacokinetics of hydrastine in humans has not been adequately described. While it is difficult to determine the proper dosage range for any herbal product, a recent extensive survey of the literature suggests a daily dose of Hydrastis in the range of 0.9 to 3 g per day. Hydrastine has been reported to elicit abortifacient effects and induce preterm labor in pregnant women when taken orally.
Status:
US Previously Marketed
Source:
PROPION GEL CALCIUM PROPIONATE by WYETH
(1961)
Source URL:
First marketed in 1921
Source:
calcium propionate
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)

Calcium propionate (E282) is a preservative, antimould and antirope agent. Calcium propionate has been widely used as a preservative in bakery and in bread. The addition of 0.3 % calcium propionate prolonged the shelf-life of salt reduced bread to 10-12 days. It is sometimes not carefully used, or a high concentration is added to preserve products. High consumption of calcium propionate can lead to several health problems. Calcium propionate is used to prevent milk fever in cows and as a feed supplement. It is considered to be safe and effective treatment given for one or two days to prevent milk fever and/or to support treatment of milk fever. Calcium propionate is generally recognized as safe by FDA when used in accordance with good manufacturing or feeding practice.
Status:
US Previously Marketed
Source:
Sodium Arsenate U.S.P.
(1921)
Source URL:
First marketed in 1921
Source:
Sodium Arsenate U.S.P.
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)

Ammonium dihydrogen arsenate is an inorganic compound that has been considered a potential electro-optic material and has been explored by a number of investigators for modulation purposes. Ammonium arsenate is a cancerogenic substance.
Status:
US Previously Marketed
Source:
Formic Acid N.F.
(1921)
Source URL:
First marketed in 1921
Source:
Formic Acid N.F.
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)


Conditions:

Formic acid is the simplest carboxylic acid. In nature, formic acid is found in the stings and bites of many insects of the order Hymenoptera, including bees and ants. The principal use of formic acid is as a preservative and antibacterial agent in livestock feed. When sprayed on fresh hay or other silage, it arrests certain decay processes and causes the feed to retain its nutritive value longer. In medicine 85% formic acid application is a safe, economical, and effective alternative in the treatment of common warts with few side-effects and good compliance.
Status:
US Previously Marketed
Source:
1,2-ethanedisulfonic acid
(1921)
Source URL:
First marketed in 1921
Source:
1,2-ethanedisulfonic acid
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)

Sodium 1,2-ethanedisulfonate dihydrate is salt of ethanedisulfonic acid. Ethanedisulfonic acid is used in pharmaceutical formulations of some antipsychotic compounds to form salts with the active ingredients, known as edisylates.
Phenylmercuric ammonium acetate is a fungicide and bactericide. It is used for the seed treatment.
Status:
US Previously Marketed
Source:
Terpin Hydrate U.S.P.
(1921)
Source URL:
First marketed in 1921
Source:
Terpin Hydrate U.S.P.
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)

Conditions:

Terpin hydrate is an expectorant commonly used to loosen mucus in patients presenting with acute or chronic bronchitis, and related conditions. Terpin is derived from oil of turpentine, oregano, thyme and eucalyptus. In 1855 Lepin who first investigated terpin reported that it acted upon the mucous membranes and also the nervous system in a manner similar to the oil of turpentine. Terpin hydrate was available in the USA in 1907 in the preparations such as Elixir of Terpin Hydrate alone or in combination with codein or heroin as an antitussives. It was banned by the U.S. Food and Drug Administration (FDA) in the 1990s due to lack of proof of efficacy but is a medicine available in a number of countries worldwide commonly used in combination with codein. At present it is FDA approved for as an OTC use in combination formulations (with acetaminophen and other drugs) used as internal analgesics. Terpin was recently introduced as a natural topical insect repellent.