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

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Showing 8191 - 8200 of 9614 results

Status:
US Previously Marketed
Source:
Reneal by Squibb
(1962)
Source URL:
First approved in 1962
Source:
Reneal by Squibb
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Phytic acid is a major phosphorus storage compound of most seeds and cereal grains. It has the strong ability to chelate multivalent metal ions, especially zinc, calcium, and iron. Phytic acid is also considered to be a natural antioxidant and is suggested to have potential functions of reducing lipid peroxidation and as a preservative in foods. Clathrin-associated adaprot complex AP-2 has it been suggested may act as one of the receptor sites for Phytic acid. Both in vivo and in vitro experiments have demonstrated striking anticancer (preventive as well as therapeutic) effects of Phytic acid.
Status:
US Previously Marketed
Source:
SODIUM THIOCYANATE by Smith-Dorsey Company
(1961)
Source URL:
*!
First approved in 1961
Source:
SODIUM THIOCYANATE by Smith-Dorsey Company
Source URL:
*!

Class (Stereo):
CHEMICAL (ACHIRAL)

Thiocyanic acid, also known as hydrogen thiocyanate, is a hydracid that is cyanic acid in which the oxygen is replaced by a sulfur atom. It has a role as an Escherichia coli metabolite. It is a hydracid, a one-carbon compound and an organosulfur compound. It is a conjugate acid of a thiocyanate. It is a tautomer of an isothiocyanic acid. In the past, thiocyanate was used therapeutically to treat severe hypertension, but the results of this therapy were inconsistent from clinic to clinic, and even within a single study. Thiocyanate is believed to play a role in an endogenous antibacterial system (lactoperoxidase/thiocyanate/hydrogen peroxide system) present in milk. It has been added commercially to some milk preparations as an antibacterial agent.
Status:
US Previously Marketed
Source:
Pellar by Crookes-Barnes (Cooper)
(1960)
Source URL:
First approved in 1960
Source:
Pellar by Crookes-Barnes (Cooper)
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)


Pelargonic acid (also called as nonanoic acid), a naturally found in a variety of plants and food products is a cosmetic ingredient, that function as skin-conditioning agent. The Food and Drug Administration (FDA) has approved pelargonic acid as a food additive, and as an ingredient in solutions used commercially to peel fruits and vegetables. FDA considers it safe for humans to eat food containing small amounts of pelargonic acid.
Status:
US Previously Marketed
Source:
Bauer and Black Foot Powder by Bauer & Black
(1956)
Source URL:
First approved in 1956
Source:
Bauer and Black Foot Powder by Bauer & Black
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)

Status:
US Previously Marketed
Source:
MIOKIN by MALLINCKRODT
(1955)
Source URL:
First approved in 1955

Class (Stereo):
CHEMICAL (ACHIRAL)

Diprotrizoic acid is dipropionamino compound. It is a diagnostic aid. Diprotrizoic acid was introduced for urography but it produced more side effects than diatrizoic acid.
Status:
US Previously Marketed
Source:
CYSTOKON by MALLINCKRODT
(1961)
Source URL:
First approved in 1953

Class (Stereo):
CHEMICAL (ACHIRAL)



Acetrizoic acid (trade names Gastrografina, Urografina in Portugal) is a palatable lemon-flavored water-soluble iodinated radiopaque X-ray contrast medium for oral or rectal administration only. Acetrizoic acid is indicated for radiographic examination of segments of the gastrointestinal tract (esophagus, stomach, proximal small intestine, and colon). The preparation is particularly indicated when a more viscous agent such as barium sulfate, which is not water-soluble, is not feasible or is potentially dangerous. Administration of hypertonic Gastrografin solutions may lead to hypovolemia and hypotension due to fluid loss from the intestine.
Status:
US Previously Marketed
Source:
Evans Blue by Parke Davis
(1951)
Source URL:
First approved in 1951
Source:
Evans Blue by Parke Davis
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Evans Blue (EBD) is an azo dye which has a very high affinity for serum albumin. It can be useful in physiology in estimating the proportion of body water contained in blood plasma. Evans Blue Dye is widely used to study blood vessel and cellular membrane permeability as it is non-toxic, it can be administered as an intravital dye and it binds to serum albumin – using this as its transporter molecule. The EBD–albumin conjugate (EBA) can be: (i) identified macroscopically by the striking blue colour within tissue; (ii) observed by red auto-fluorescence in tissue sections examined by fluorescence microscopy; and (iii) assessed and quantified by spectrophotometry for serum samples, or homogenised tissue. has recently been utilised in mdx mice to identify permeable skeletal myofibres that have become damaged as a result of muscular dystrophy. EBD has the potential to be a useful vital stain of myofibre permeability in other models of skeletal muscle injury and membrane-associated fragility. Evans Blue is a potent inhibitor of L-glutamate uptake into synaptic vesicles. It also inhibits AMPA and kainate receptor-mediated currents (IC50 values are 220 and 150 nM respectively). P2X-selective purinoceptor antagonist.
Status:
US Previously Marketed
Source:
Sucaryl Sodium by Abbott
(1950)
Source URL:
First approved in 1950
Source:
Sucaryl Sodium by Abbott
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Cyclamic acid (Cyclamate) is banned in the United States but it is used in many other Western countries without safety concerns. Cyclamate interacts with the sweet taste receptor subunit T1R3 transmembrane domain. Initially it was recommended for use in treatment of obese patients and by individuals with diabetes but in August 27, 1970 FDA concluded that there was no substantial evidence of effectiveness of cyclamate compounds at any level for treatment of obese patients and individuals with diabetes and therefore prohibited continued sale of cyclamate containing products with drug labeling. cyclamate is the putative carcinogenic agent. Cyclamate was tested in the Maximal Electroshock Seizure model (mice, ip), showing moderate anticonvulsant activity.
Status:
US Previously Marketed
Source:
21 CFR 310.545(a)(27)(i) antimicrobial:first aid antiseptic thimerosal
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Thimerosal is organomercury antiseptic and antifungal agent, used as a preservative in vaccines, immuloglobulins, nasal sprays, contact lens solutions. In USA, European Union countries thiomersal is no longer used in childhood vaccines due to public fears, although the FDA review of 1999 foud no evidence of harm from the use of thimerosal as a vaccine preservative, other than local hypersensitivity reactions. Thimerosal was used as a component of topical antiseptic solution and antiseptic ointment for treating cuts, nasal sprays, eye solutions, vaginal spermicides, diaper rash treatments, but re-evaluation of the drug in 1980-s demonstrated ineffectiveness and toxicity in topical pharmaceutical products, and topical thimerosal was withdrawn from the market. The mechanism of action of thimerosal has not been fully elucidated. It is believed that thimerosal inhibits sulfhydryl-containing active site of various enzymes and binds to sulfhydryl compounds, such as glutathione, cysteine, and SH groups of protein. In addition, thimerosal activates the InsP3 calcium channel on endoplasmic reticular membrane, thereby triggering the release of calcium from intracellular stores resulting in a calcium-induced calcium-influx of extracellular calcium. Consequently, thimerosal may induce or inhibit cellular functions dependent on calcium signaling.
SODIUM GLYCOLATE, a sodium salt of carboxymethyl ether, is used as a pharmaceutical grade dissolution excipient for solid dosage forms. It absorbs water rapidly, resulting in swelling which leads to the rapid disintegration of tablets and capsules. Without a disintegrant, these may not dissolve appropriately and may effect the amount of active ingredient absorbed, thereby decreasing effectiveness.

Showing 8191 - 8200 of 9614 results