All articles starting with F
15,892 articles
Fenoprofen
Fenoprofen (brand Nalfon, Fenopron) is a propionic acid NSAID, C15H14O3, FDA-approved in 1976 as the calcium salt for rheumatoid arthritis, osteoarthritis, and mild to moderate pain, dosed up to 3,200 mg daily.
Fenoprop
Fenoprop (silvex, 2,4,5-TP, 2,4,5-TCPPA), CAS 93-72-1, is an obsolete phenoxypropionic herbicide and synthetic auxin first reported in 1945, banned in the USA by 1985 and not EU-approved, formerly used against woody plants and aquatic weeds.
Fenoterol
Fenoterol is a short-acting β2-selective adrenergic agonist used as an inhaled asthma bronchodilator and as a tocolytic, developed in the 1960s and later tied to asthma deaths in New Zealand.
Fenothiocarb
Fenothiocarb (Panocon) is a thiocarbamate acaricide, C13H19NO2S, registered in Japan in 1986 for mandarin oranges, not approved in the EU, with an ADI of 0.015 mg/kg bw/day.
Fenoverine
Fenoverine, marketed as Spasmopriv, is a phenothiazine-derived antispasmodic drug that modulates calcium flow across gastrointestinal smooth muscle membranes to treat spasmodic conditions including irritable bowel syndrome.
Fenoxaprop
Fenoxaprop, sold in the EU as fenoxaprop-P-ethyl, is a chiral post-emergence herbicide for annual grass weeds in cereals; the 2024 EFSA renewal review flagged endocrine disruption and aquatic risk concerns.
Fenoxaprop p ethyl
Fenoxaprop-P-ethyl (AE F046360, CAS 71283-80-2) is an aryloxyphenoxypropionate ACCase-inhibiting herbicide used post-emergence against grass weeds in cereals; EFSA's 2024 review flags endocrine and aquatic concerns.
Fenoxycarb
Fenoxycarb (CAS 72490-01-8) is a carbamate juvenile hormone analog insect growth regulator, first registered in 1985 for fire ant bait; banned in the EU since 2021 but used in the USA, UK, and Australia.
Fenpiclonil
Fenpiclonil (CGA 142705) is a non-systemic phenylpyrrole seed-treatment fungicide derived from pyrrolnitrin, developed by Ciba-Geigy, launched 1988, FRAC group 12, superseded by fludioxonil.
Fenpicoxamid
Fenpicoxamid (Inatreq active), a picolinamide fungicide derived from UK-2A of Streptomyces sp. 517-02, inhibits fungal respiration at the Qi site of cytochrome bc1 complex, controls wheat septoria and banana black sigatoka, and was EU-approved in 2018.
Fenpropathrin
Fenpropathrin (CAS 64257-84-7) is a type II synthetic pyrethroid insecticide and acaricide acting on sodium channels (IRAC Group 3A), used mainly on citrus; restricted use in the US, not approved in the EU, ADI 0–0.03 mg/kg bw.
Fenpropidin
Fenpropidin (CAS 67306-00-7) is a chiral piperidine fungicide, FRAC Group 5 amine, inhibiting sterol Δ14-reductase and Δ8→Δ7-isomerase; EU-approved for cereals since 2009, expiring 2027.
Fenpropimorph
Fenpropimorph (BAS 421F, Corbel) is a systemic morpholine fungicide, CAS 67564-91-4, introduced 1979 by BASF and Maag, inhibiting sterol Δ14-reductase and Δ8→Δ7-isomerase; a key European cereal fungicide, now banned in the EU.
Fenproporex
Fenproporex (femproporex), a racemic N-cyanoethyl amphetamine analogue anorectic developed in the 1960s, is metabolized to amphetamine, was never FDA-approved, is Schedule IV internationally, and was withdrawn in the EU and Brazil.
Fenpyrazamine
Fenpyrazamine (S-2188) is a Sumitomo Chemical pyrazolone fungicide inhibiting 3-ketoreductase in ergosterol biosynthesis, used against Botrytis gray mold; EU approval expired 15 January 2025 and GB approval expired 31 December 2025.
Fenpyroximate
Fenpyroximate (NNI 850) is a pyrazole acaricide, IRAC group 21A, that inhibits mitochondrial complex I to control mites on fruit and ornamentals; EU-approved to 15 June 2026, CAS 134098-61-6.
Fenquinotrione
Fenquinotrione (CAS 1342891-70-6, brand Effeeda) is a triketone HPPD-inhibiting herbicide from Kumiai Chemical, launched 2018 for Japanese rice paddies, controlling ALS-resistant broadleaf and sedge weeds via rice demethylation selectivity.
Fenretinide
Fenretinide (4-HPR) is a synthetic retinoid cancer drug candidate, synthesized in the late 1960s, that induces apoptosis in tumor cells but was never approved because of very low oral bioavailability.
Fenridazon
Fenridazon (CAS 68254-10-4) is an obsolete pyridazine plant growth regulator and gametocide, used as fenridazon-potassium (HYBREX) to induce male sterility in wheat for hybrid seed; not approved in the EU.
Fenrir
Fenrir (Fenrisúlfr, Hróðvitnir, Vánagandr), monstrous wolf of Norse mythology, son of Loki and Angrboða, bound with Gleipnir after Týr lost his hand, destined to devour Odin at Ragnarök and be slain by Víðarr.
Fenris (comics)
Fenris is the shared alias of Marvel Comics twins Andreas and Andrea von Strucker, children of Baron Strucker, whose bio-energy powers work when they hold hands.
Fenriz
Fenriz, born Gylve Fenris Nagell, is the Norwegian black metal drummer of Darkthrone, a second-wave pioneer, Isengard and Valhall member, and Venstre local councilor in Kolbotn (elected 2016).
Fenshi Media (分时传媒)
Fenshi Media (分时传媒), also written 分时广告传媒 or Time Share Media, was a Chinese outdoor advertising company that brokered billboard time slots, founded around 2005 by He Jilun.
Fenshu
Fenshu (焚书), also titled Lishi Fenshu, is a six-juan collection of essays, letters, and poems by the Ming philosopher Li Zhi, first printed in 1590.
Fenson
Fenson, aka fenizon, is the organochlorine acaricide 4-chlorophenyl benzenesulfonate (CAS 80-38-6), a GABA-channel mite killer first registered in the USA in 1958 and now obsolete, unapproved in the EU and UK.
Fenspiride
Fenspiride (Pneumorel, Eurespal) is a spiro-compound anti-inflammatory bronchodilator for cough and respiratory disease, withdrawn from the EU market in 2019 over QT prolongation and torsades de pointes risk.
Fensulfothion
Fensulfothion (Dasanit, Terracur P), CAS 115-90-2, is a highly toxic organophosphate insecticide-nematicide acting via acetylcholinesterase inhibition; first used 1957, US use cancelled 1994, now largely withdrawn.
Fentale
Fentale (Fantale) is a 2,007 m stratovolcano with a 2.5 x 4.5 km caldera at the north end of Ethiopia's Main Ethiopian Rift; last erupted 1789 CE, with major 2015 and 2024-2025 dyke intrusions and earthquake swarms.
Fentanyl
Fentanyl is a synthetic opioid 50 to 100 times more potent than morphine, used for anesthesia and severe pain and the drug most often involved in U.S. overdose deaths.
Fenthion
Fenthion, sold as Baytex, is an organophosphate insecticide used since the 1950s against mosquitoes, fruit flies, and ticks, now banned in the US, EU, and Australia.