Sulfonamidas e Derivados

<p>Applications Aceclofenac is an anti-inflammatory and analgesic drug.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Yscla, A., et al.: Drugs Exp. Clin. Res., 14, 491 (1988), Ballesteros, R., et al.: Clin. Trials J., 27, 12 (1990)<br></p>

<p>Applications Anti-inflammatory; analgesic.<br>References Winder, C.V., J. Pharmacol. Exp. Ther., 138, 405 (1962),<br></p>

<p>Applications N-[4-[(4-Aminophenyl)sulfonyl]phenyl]formamide is a dihydropteroate synthetase inhibitor. Also, it is a derivative of the parent compound, Dapsone (D193250), which is an antibacterial used in the treatment of dermatitis herpetiformis.<br>References Ho, R. I., et al.: Antimicrob. Agents Chemother., 7, 758-763 (1975); Francis, J., et al.: Br. J. Pharmacol., 5, 565 (1950), Uetrecht, J., et al.: Clin. Dermatol., 7, 111 (1989); Reszka, K., et al.: Chem. Res. Toxicol., 22, 1137 (2009), Santos, J., et al.: Bioorg. Med. Chem., 17, 3795 (2009), Varma, M., et al.: J. Med. Chem., 52, 4844 (2009),<br></p>

<p>Impurity Glimepiride Ethyl Ester Impurity<br>Applications Intermediate for the preparation of Glimepiride (G410150) and some substituted sulfonyl urea antidiabetics. Glimepiride Ethyl Ester Impurity<br></p>

<p>Applications Trimethoprim lactate salt is an antibacterial agent.<br>References Lees, G. et al.: Brit. J. Pharmacol., 73, 535 (1981);<br></p>

<p>Impurity Nimesulide EP Impurity D<br>Stability Light Sensitive<br>Applications 4-Nitro-2-phenoxyaniline has been shown to have good AT1 Angiotension Receptor Antagonist activity when combined with Schiff bases.<br>References Shreenivas, M.T., et. al.: J. Pharm. Sci. Technol., 1, 88 (2009)<br></p>

<p>Impurity Etodolac EP Impurity J<br>Applications Decarboxy Etodolac (Etodolac EP Impurity J) is an impurity of Etodolac (racemic, E933100), which is a non-steroidal anti-inflammatory drug (NSAID) that selectively inhibits cyclooxygenase-2 (COX-2). Etodolac displays anti-inflammatory effects in both adjuvant arthritic and normal rats. Etodolac is anti-inflammatory.<br>References Humber, L.G., et al.: Med. Res. Rev., 7, 1 (1987); Balfour, J.A, et al.: Drugs, 42, 274 (1991); Kato, et al.: J. Pharm. Pharmacol., 53 1679 (2001)<br></p>

<p>Applications Glyburide-d3 (methoxy-d3) (CAS# 1219803-02-7) is a useful isotopically labeled research compound.<br></p>

<p>Impurity Furosemide EP Impurity A<br>Applications Iso Furosemide (Furosemide EP Impurity A) is a Furosemide (F865000) derivative which enhanced urinary excretion of active kallikrein.<br>References Kirk, K., et al.: J. Biol. Chem., 267, 23475 (1992), Kirk, K., et al.: Biochem. J., 311, 761 (1995), Egee, S., et al.: J. Physiol., 542, 795 ( 2002),<br></p>

<p>Applications An antibacterial used in the treatment of dermatitis herpetiformis.<br>References Francis, J., et al.: Br. J. Pharmacol., 5, 565 (1950), Uetrecht, J., et al.: Clin. Dermatol., 7, 111 (1989); Reszka, K., et al.: Chem. Res. Toxicol., 22, 1137 (2009), Santos, J., et al.: Bioorg. Med. Chem., 17, 3795 (2009), Varma, M., et al.: J. Med. Chem., 52, 4844 (2009),<br></p>

<p>Applications Sulfamethoxazole N4-glucoside is a metabolite of Sulfamethoxazole (S699086) which is an anti bacterial drug. Sulfonamide antibiotic that blocks the synthesis of dihydrofolic acid by inhibiting the enzyme dihydropteroate synthase.<br>References Rudy, B.C., et al.: Anal. Profiles Drug Subs., 2, 467 (1973), Wormser, G.P., et al.: Drugs, 24, 459 (1982), Wharton, M., et al.: Ann. Intern. Med., 105, 37 (1986),<br></p>

<p>Impurity Sulfasalazine EP Impurity F<br>Stability Hygroscopic<br>Applications A positional isomeric impurity of Sulfasalazine (S699084). Sulfasalazine EP Impurity F<br>References Zalipsky, J.J. et al.: J. Pharmac. Sci., 67, 387 (1978);<br></p>

<p>Impurity Aceclofenac EP Impurity D<br>Applications Aceclofenac Methyl Ester (Aceclofenac EP Impurity D) is a 2-[(2,6-dichlorophenyl)amino]phenylacetoxyacetyl derivative as anti-inflammmatory and analgesic agent.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br></p>

<p>Applications Sulfamethizole is a sulfonamide based antibiotic that exhibit bactericidal activities towards gram-negative bacteria. Sulfamehizole was shown to be effective in treating gram-negative Bacillus AmpC enzyme in elderly patients with lower respiratory tract infection and as well as against microbs responsible for tuberculosis.<br>References Mondelli, M., et al.: J. Molec. Struct., 1036, 180 (2013); Leelakrishnana, S., et al.: Adv. App. Sci. Res., 3, 3502 (2012); Ghoreishi, S.M., et al.: Anal. Lett., 46, 323 (2012);<br></p>

<p>Impurity Ibuprofen EP Impurity O<br>Applications 2-(p-sec-Butylphenyl)propionic Acid (Ibuprofen EP Impurity O) is an impurity of Ibuprofen (I140000); a selective cyclooxygenase inhibitor (IC50=14.9uM) that inhibits PGH synthase-1 and PGH synthase-2 with comparable potency.<br>References Busson, M., et al.: J. Int. Med Res., 14, 53 (1986); Meade, E.A., et al.: J. Biol. Chem., 268, 6610 (1993); Davies, N.M., et al.: Clin. Pharmacokinet., 34, 101 (1998)<br></p>

<p>Applications Deuterated Trimethoprim, an antibacterial.contains 90% D9, 10% D6 and no D0<br>References Manius, G.J., et al.: Anal. Profiles Drug Subs., 7, 445 (1978), Roth, B., et al.: J. Med. Chem., 23, 379 (1980), Brogden, R.N., et al.: Drugs, 23, 405 (1982),<br></p>

<p>Applications Glibornuride has been shown to antagonize the relaxant response to the K+ channel opener cromakalim and produce airway smooth muscle relaxation. Glibornuride is associated with lactic acidosis and hypoglycemia in patients with type 2 diabetes melitus.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Mielsen-Kudsk, J.E., Thirstrup, S.: Pulm. Pharmacol., 6, 185 (1993); Bodmer, M., et. al.: Diabetes Care, 31, 2086 (2008)<br></p>

<p>Impurity Hydrochlorothiazide 5-Chloro Impurity<br>Applications Hydrochlorothiazide derivative. Diuretic agent.<br>References Mayer, S.E., et al.: J. Pharmacol. Exp. Therap., 134, 18 (1961),<br></p>

<p>Applications 2,3-Dimethyl-N-phenylbenzenamine is a lipophilic compound that is a commonly used non-steroidal anti-inflammatory drug (NSAID).<br>References El Haj, B. M., et al.: Forensic Sci. Int., 105, 141 (1999); Velkov, T., et al.: Chem. Biol., 14, 453 (2007)<br></p>

<p>Impurity Piroxicam EP Impurity E<br>Applications Piroxicam impurity E.<br>References Lombardino, J., et al.: J. Med. Chem., 14, 1171 (1971), Turck, D., et al.: Clin. Drug Invest., 9, 270 (1995),<br></p>

<p>Applications A labelled nonsteroidal anti-inflammatory drug (NSAID); activity resides primarily in the (S)-isomer.<br>References Busson, M., et al.: J. Int. Med Res., 14, 53 (1986), Meade, E.A., et al.: J. Biol. Chem., 268, 6610 (1993), Davies, N.M., et al.: Clin. Pharmacokinet., 34, 101 (1998),<br></p>

<p>Stability Hygroscopic, Unstable in DMSO<br>Applications Post-emergence sulfonylurea herbicide.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Gubbiga, N.G., et al.: Weed Technol., 9, 574 (1995), Ukrainczyk, L., et al.: J. Agric. Food Chem., 43, 855 (1995)<br></p>

<p>Applications Anti-inflammatory. Selective cyclooxygenase-2 (COX-2) inhibitor.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Glasson, et al.: Biochem, Pharmacol., 18, 633 (1969), Boissier, et al.: Therapie, 26, 211 (1971), Sorenson, J.R.J., et al.: J. Med. Chem., 19, 135 (1976), Barnett, J., et al.: Biochim. Biophys. Acta, 1209, 130 (1994), Johnson, J.L., et al.: Arch. Biochem. Biophys., 324, 26 (1995),<br></p>

<p>Stability Hygroscopic<br>Applications 4-Amino-4'-hydroxydiphenylsulfone is a diaryl sulfone with antileprotic activity. 4-Amino-4'-hydroxydiphenylsulfone is an antibacterial agent.<br>References Colwell, W.T. et al.: J. Med. Chem., 17, 142 (1974); Agrawal, V.K. et al.: Acta Microb iol. Immunol. Hung., 50, 385 (2003);<br></p>

<p>Impurity Glipizide EP Impurity H<br>Applications 1-Cyclohexyl-3-(p-sulfamoylphenethyl)urea (Glipizide EP Impurity H) is an impurity of Glipizide (G410225).<br>References Jurca, B. et al.: J. Therm. Anal. Calor., 62, 859 (2000);<br></p>

<p>Applications Ibuprofen (I140000) impurity, an anti-inflammatory compound.<br>References Rubin, A., et al.: J. Pharm. Sci., 74, 82 (1985), Tracy, T., et al.: Drug Metab. Dispos., 20, 322 (1992),<br></p>

<p>Applications Penoxsulam is an acetolactate synthase inhibitor herbicide developed for controlling grasses, sedges, and broadleaf weeds in rice culture.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Jabusch, T., and Tjeerdema, R.: J. Agric. Food Chem. 53, 18, 7179-183 (2005); Bamcjero, M., et al.: Sci. Total Environ. 807, 1, 160793 (2021)<br></p>

<p>Applications A major metabolite of Sulfadiazine.<br>References Woolley, J., et al.: Drug Metab. Dispos., 7, 94 (1979), Nielsen, P., et al.: Biochem. Pharmacol., 35, 2509 (1986), Anari, M., et al.: Anal. Chem., 76, 823 (2004), Edlund, P., et al.: J. Pharm. Biomed. Anal., 34, 1079 (2004),<br></p>

<p>Impurity Acetazolamide Disulphide Impurity<br>Applications bis(2-Acetamido-1,3,4-thiadiazol-5-yl) Disulfide is an impurity of Acetazolamide (A161500), a carbonic anhydrase inhibitor. Diuretic. (Acetazolamide Disulphide Impurity)<br>References Srinivasu, P., et. al.: J. Pharmaceut. Biomed. Anal., 52, 142 (2010); Vitale, R., et al.: J. Med. Chem., 52, 5990 (2009); Bell, H., et al.: Am. J. Physiol., 297, R370 (2009); Maresca, A., et al.: Bioorg. Med. Chem. Lett., 19, 4929 (2009); Liu, Y., et al.: Anal. Bioanal. Chem., 395, 591 (2009)<br></p>

<p>Applications Bumetanide Butyl Ester is an intermediate in the preparation of Bumetanide<br>References Petzinger, E., et al.: Am. J. Physiol., 265, G942 (1993);<br></p>

<p>Impurity Paracetamol EP Impurity H/ Acetaminophen impurity H<br>Applications Acetaminophen Acetate is an impurity of Acetaminophen (A161220), an analgesic and antipyretic agent used as a pain reliever to treat headache, muscle aches, and arthritis (1,2,3).<br>References (1) McGill, M. R. and Jaeschke, H. Pharm Res. 30, 2174 (2013)(2) Fairbrother, J.E., et al.: Anal. Profiles Drug Subs., 3, 1 (1974) (3) Hinson, J.A., et al.: Rev. Biochem. Toxicol., 2, 103 (1980)<br></p>

<p>Applications Used as an antibacterial.<br>References Kapoor, V.K., et al.: Anal. Profiles Drug Subs., 17, 571 (1988)<br></p>

<p>Stability Light Sensitive, Temperature Sensitive<br>Applications A metabolite of Dapsone.<br>References Preuss, C.V., et al.: Biochem. Pharmacol., 51, 1661 (1996), F., et al.: J. Pharmacol. Exp. Ther., 323, 771 (2007), Roychowdhury, S., et al.: Drug Metab. Disposition, 35, 676 (2007), Obach, R., et al.: Environ. Mol. Mutagen., 49, 631 (2008), Veggi, L., et al.: Life Sci., 83, 155 (2008), Khan,<br></p>

<p>Applications Azoxydapsone is a primary urinary N-oxidation metabolite of Dapsone (D193250); an antibacterial used in the treatment of dermatitis herpetiformis.<br>References Israili, Z.H., et al.: J. Pharmacol. Exp. Ther., 187, 138 (1973); Cucinell, S.A., et al.: Am. J. Trop. Med. Hyg., 21, 322 (1972); Francis, J., et al.: Br. J. Pharmacol., 5, 565 (1950); Uetrecht, J., et al.: Clin. Dermatol., 7, 111 (1989); Reszka, K., et al.: Chem. Res. Toxicol., 22, 1137 (2009); Santos, J., et al.: Bioorg. Med. Chem., 17, 3795 (2009); Varma, M., et al.: J. Med. Chem., 52, 4844 (2009)<br></p>

<p>Applications Sulfacetamide is an antibiotic used for the treatment of skin infections and urinary tract infections. Sulfacetamide is also used to treat acne and seborrheic dermatitis. Sulfacetamide was investigated for potential anti-inflammatory properties<br>References Wittwer, M.B., et al.: J. Med. Chem., 56, 781 (2013); Wang. X., et al.: Afr. J. Micriobiol., 6, 4533 (2012); Yu, B., et al.: Euro. J. Med. Chem., 46, 5833 (2011);<br></p>

<p>Applications Zonisamide-13C2-15N is the labeled analogue of Zonisamide (Z700000), a sulfonamide antiseizure agent; blocks repetitive firing of voltagesensitive sodium channels and reduces voltage-sensitive T-type calcium currents. Heterocyclic methanesulfonide with anticonvulsant properties. The compound is under investigation for potential therapeutic use as an antiepileptic drug. Anticonvulsant.<br>References Masuda, Y., et al.: Arzneim.-Forsch., 30, 477 (1980); Hammond, E.J., et al.: Gen. Pharmacol., 18, 303 (1987); Schmidt, D., et al.: Epilepsy Res., 15, 67 (1993); Sorkin, E.M., et al.: Drugs, 45, 760 (1993)<br></p>

<p>Applications The major labelled metabolite of Ibuprofen; may reduce the risk of cataract by protecting lenticular enzymes.<br>References Bhuyan, K., et al.: Life Sci., 38, 1463 (1986), Blakytny, R., et al.: Biochem. J., 288, 303 (1992),Ganea, E., et al.: Eur. J. Biochem., 231, 181 (1995), Mitchell, J., et al.: Br. J. Pharmacol., 128, 1121 (1999),<br></p>

<p>Impurity Acemetacin EP Impurity A / Bezafibrate EP Impurity B<br>Applications A benzoic acid analogue that showed antifungal activity against strains of Aspergillus flavus, Aspergillus fumigatus and Aspergillus terreus, causative agents of human aspergillosis, in in vitro bioassays. It is used as a preservative.<br>References Rep, M., et al.: J. Biol. Chem., 275, 8290 (2000), Jaeger, T., et al.: Biofactors, 27, 109 (2006), Kim, J., et al.: Fungal Biology, 114, 817 (2010),<br></p>

<p>Applications Used as a reference standard for the drug Trimethoprim.Note this compound is a cis / trans mixture.<br></p>

<p>Impurity Ibuprofen EP Impurity L<br>Applications 1-Hydroxy Ibuprofen (Ibuprofen EP Impurity L) is a degradation product of Ibuprofen.<br>References Forrest, J., et al.: Clin. Pharmacokinet., 7(2), 93 (1982), Shockcor, J., et al.: Xenobiotica, 26, 189 (1996), Nicholls, A., et al.: Chem. Res. Toxicol., 14, 975 (2001), Holmes, E., et al.: Toxicol. Sci., 87, 1 (2005),<br></p>

<p>Applications A metabolite of Dapsone (D193250).<br>References Shin, I., et al.: J. App. Pharmacol., 10, 193 (2002), Bhaiya, P., et al.: Toxicol. App. Pharmacol., 215, 158 (2006), Paixao, P., et al.: Eur. J. Pharm. Sci., 36, 544 (2009),<br></p>

<p>Applications Sulfonamide antiseizure agent; blocks repetitive firing of voltagesensitive sodium channels and reduces voltage-sensitive T-type calcium currents. Heterocyclic methanesulfonide with anticonvulsant properties. The compound is under investigation for potential therapeutic use as an antiepileptic drug. Anticonvulsant. Neuroprotective &amp; Neuroresearch Product.<br>References Masuda, Y., et al.: Arzneim.-Forsch., 30, 477 (1980), Hammond, E.J., et al.: Gen. Pharmacol., 18, 303 (1987), Schmidt, D., et al.: Epilepsy Res., 15, 67 (1993), Sorkin, E.M., et al.: Drugs, 45, 760 (1993),<br></p>

<p>Stability Hygroscopic<br>Applications An active metabolite of Glimepiride (G410150).<br>References Groop, L., et al.: Diabetes Care, 15, 737 (1992), Muller, G., et al.: Diabetes, 42, 1852 (1993), Kramer, W., et al.: Biochem. Biophys. Acta, 119, 278 (1994),<br></p>

<p>Applications Acetaminophen Mercapurate Disodium Salt is a metabolite of Acetaminophen (A161220), an analgesic and antipyretic agent used as a pain reliever to treat headache, muscle aches, and arthritis (1,2).<br>References (1) McGill, M. R. and Jaeschke, H. Pharm Res. 30, 2174 (2013)(2) Potter, D.W. et al.: Mol. Pharmacol., 29, 155 (1986)<br></p>

<p>Applications Ibuprofen-d3 Acyl-β-D-glucuronide (mixture of diastereomers) is a compound useful in organic synthesis.<br></p>

<p>Applications Labelled p-Phenetidine (P296300). A toxic metabolite of Phenacetin (P294580) which exhibits high renal toxicity. p-Phenetidine also reduced COX-1 and COX-2 expression in neutrophils.<br>References Green, C., et al.: Br. Med. J., 1, 162 (1969), Nelson, S., et al.: J. Med. Chem., 25, 753 (1982), Nicholls, A., et al.: Xenobiotica, 27, 1175 (1997),<br></p>

<p>Applications Labelled Sulfasalazine (S699084). An anti-inflammatory (gastrointestinal). Sulfasalazine has been used in granulomatous colitis.<br>References Schroder, H., et al.: Clin. Pharmacol. Ther.,13, 539 (1972), McDonnell, J.P., et al.: Anal. Profiles Drug Subs., 5, 515 (1976), Klotz, U., et al.: Clin. Pharmacokinet.,10, 285 (1985),<br></p>

<p>Impurity Brinzolamide O-Desmethyl Impurity<br>Applications O-Desmethyl Brinzolamide is a derivative of Brinzolamide (B677601), a carbonic anhydrase inhibitor that is used as an ocular topical treatment for patients experiencing intraocular pressure. Brinzolamide reduces pressure by reducing the rate of aqueous humour formation.<br>References Cvetkovic, R. &amp; Perry, C.: Drugs &amp; Aging, 20, 919 (2003); Ermis, S., et al.: Eye, 19, 303 (2005); Silver, L., et al.: Surv. Ophthalmol., 44, S147 (2000)<br></p>

<p>Applications Antibacterial. This compound is a contaminant of emerging concern (CECs).<br>References Manius, G.J., et al.: Anal. Profiles Drug Subs., 7, 445 (1978), Roth, B., et al.: J. Med. Chem., 23, 379 (1980), Brogden, R.N., et al.: Drugs, 23, 405 (1982),<br></p>

<p>Applications A major active metabolite related to the adverse effects of Sulfasalazine in human serum.<br>References Stenson, W., et al.: J. Clin. Invest., 69, 494 (1982), Bissonnette, E., et al.: J. Immunol., 156, 218 (1996), Hirohata, S., et al.: J. Neurol. Sci., 67, 115 (1985), Pullar, T., et al.: Br. Med. J., 290, 1535 (1985), Ireland, A., et al.: Clin. Sci., 78, 119 (1990),<br></p>

<p>Applications A potential impurity in Ibuprofen (I140000). A degradation product of Ibuprofen arising from oxidative and thermal treatments.<br>References Heikkinen, L., et al.: Acta Pharm. Fenn., 92, 275 (1983), Kepp, D., et al.: Pharm Res., 5, 676 (1997),<br></p>

<p>Stability Hygroscopic<br>Applications O-Methyl Chlorthalidone is an impurity of Chlorthalidone (C427500), a diuretic and antihypertensive agent.<br>References Quaglia, M.G., et al.: J. Chromatograph., 456, 435 (1988);<br></p>

<p>Applications 2-Methylindoline is an intermediate in the production of various indole derivatives<br>References Severino, B., et al.: Bioorg. Med. Chem., 16, 6009 (2008); Zlotos, D., et al.: J. Med. Chem., 52, 826 (2009);<br></p>

<p>Applications S-Methyl-d3-thioacetaminophen is deuterium labeled S-Methyl-3-thioacetaminophen (M330610), a metabolite of Acetaminophen (A161220). Acetaminophen is an analgesic and antipyretic agent used as a pain reliever to treat headache, muscle aches, and arthritis (1,2,3).<br>References (1) McGill, M. R. and Jaeschke, H. Pharm Res. 30, 2174 (2013)(2) Fairbrother, J.E., et al.: Anal. Profiles Drug Subs., 3, 1 (1974) (3) Hinson, J.A., et al.: Rev. Biochem. Toxicol., 2, 103 (1980)<br></p>

<p>Applications Non-steroidal anti-inflammatory with long half-life. Cyclooxygenase inhibitor. Clinically useful NSAID. Piroxicam may be useful for chemoprevention of solid cancers via inhibition of cyclooxygenase. Statins, which are used clinically for anti-inflammation, immunomodulation, neuroprotection, and im-provement of bone metabolism, have “remarkable efficiency…as individual drugs or assistant medicines that affect cell viability by inducing apoptosis….”<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Carty, T.J., et al.: Prostaglandins, 47, 55 (1980), Brogden, R.N., et al.: Drugs, 22, 165 (1981), Mihalic, M., et al.: Anal. Profiles Drug Subs., 15, 509 (1986), Laneauville., O., et al.: J. Pharmacol. Exp. Ther., 271, 927 (1994); AAPS Newsmagazine p.17, July 2016<br></p>

<p>Applications Labelled Etodolac (E933100). Anti-inflammatory; analgesic.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Humber, L.G., et al.: Med. Res. Rev., 7, 1 (1987), Balfour, J.A, et al.: Drugs, 42, 274 (1991),<br></p>

<p>Applications The isotopically labelled antibacterial drug Sulfamethoxazole (S699086). Sulfonamide antibiotic that blocks the synthesis of dihydrofolic acid by inhibiting the enzyme dihydropteroate synthase.<br>References Rudy, B.C., et al.: Anal. Profiles Drug Subs., 2, 467 (1973), Wormser, G.P., et al.: Drugs, 24, 459 (1982), Wharton, M., et al.: Ann. Intern. Med., 105, 37 (1986),<br></p>

<p>Applications Sulfamethoxazole-13C6 is the isotope labelled analog of Sulfamethoxazole (S699086). An antibacterial drug. Sulfonamide antibiotic that blocks the synthesis of dihydrofolic acid by inhibiting the enzyme dihydropteroate synthase.<br>References Rudy, B.C., et al.: Anal. Profiles Drug Subs., 2, 467 (1973), Wormser, G.P., et al.: Drugs, 24, 459 (1982), Wharton, M., et al.: Ann. Intern. Med., 105, 37 (1986),<br></p>

<p>Impurity Glipizide EP Impurity B<br>Applications Cyclohexylamine (Glipizide EP Impurity B) is a building block for pharmaceuticals that has been used for the preparation of paromomycin analogs to be used as aminogycoside antibiotics.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Rosenblum, I., Rosenblum, G.: Toxicol. Appl. Pharm., 12, 260 (1968); Hanessian, S., et. al.: J. Med. Chem., 50, 2352 (2007)<br></p>

<p>Applications Trichlormethiazide, is a diuretic, having similar properties as Hydrochlorothiazide (H714560). It is used for the treatment of oedema (including that which is associated with heart failure, hepatic cirrhosis and corticosteroid therapy) and hypertension.<br>References Imamura, T., et al.: International Heart J., 54(1), 48 (2013); Takahashi, Y., et al.: Cardiovas. Diabetology, 10(1), 45 (2011);<br></p>

<p>Impurity Salmeterol EP Impurity B<br>Applications A novel antibacterial analog of the antibacterial drug Sulfamethoxazole (S699086).<br></p>

<p>Stability Hygroscopic<br>Applications Carbonic anhydrase inhibitor. Diuretic.<br>References Vitale, R., et al.: J. Med. Chem., 52, 5990 (2009), Bell, H., et al.: Am. J. Physiol., 297, R370 (2009), Maresca, A., et al.: Bioorg. Med. Chem. Lett., 19, 4929 (2009), Liu, Y., et al.: Anal. Bioanal. Chem., 395, 591 (2009),<br></p>

<p>Applications Ibuprofen 1,4-Sorbitan Ester is an impurity of the drug Ibuprofen (I140000), a selective inhibitor of cyclooxygenase, PGH synthase-1 and PGH synthase-2.<br>References Busson, M., et al.: J. Int. Med Res., 14, 53 (1986), Meade, E.A., et al.: J. Biol. Chem., 268, 6610 (1993), Davies, N.M., et al.: Clin. Pharmacokinet., 34, 101 (1998); (4) Chem. and Eng. News p9, July 4 (2016)<br></p>

<p>Stability Hygroscopic<br>Applications Limaprost is an analog of Prostaglandin E1 with structural modifications intended to give it a prolonged half-life and greater potency. Limaprost is used as an antianginal.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Tsuboi, T., et al.: Arch. Int. Pharmacodyn., 247, 89 (1980), Adaikan, P.G., et al.: Prostaglandins Med., 6, 449 (1981), Kottegoda, S.R., et al.: Prostaglandins Leukotrienes Med., 8, 343 (1982), Ishizaki, T., et al.: Chest, 85, 382 (1984),<br></p>

<p>Applications Labelled Glipizide (G410225). A sulfonylurea hypoglycemic agent. Used as an antidiabetic.<br>References Ambrogi, et al.: Arzneimittel-Forsch., 21, 200 (1971), Fuccella, et al.: J. Clin. Pharmacol., 13, 68 (1973), Brogden, R.N., et al.: Drugs, 18, 329 (1979), Lebovitz, H.E., et al.: Pharmacother., 5, 63 (1985)<br></p>

<p>Applications Rimsulfuron is used as a pesticide.<br>References Pennington, D., et al.: Environ. Sci. Technol., 39, 1119 (2005), Wang, S., et al.: Food Control., 18, 731 (2007), Wolters, A., et al.: Sci. Total Environ., 405, 269 (2008),<br></p>

<p>Impurity Ibuprofen EP Impurity A<br>Applications m-Isobutyl Ibuprofen (Ibuprofen EP Impurity A) is an Ibuprofen (I140000) impurity used in the study of potent noncompetitive interleukin-8 inhibitors.<br>References Moriconi, A. et al.: J. Med. Chem., 50, 3984 (2007); Allegretti, M. et al.: J. Med. Chem., 48, 4312 (2005);<br></p>

<p>Applications: Has been used as antiseptic, anthelmintic and counter-irritant in alopecia.<br>Dangerous Goods Info: Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Diggle, S., et al.: Chem. Biol., 13, 701 (2006), Tashiro, Y., et al.: J. Bacteriol.,190, 3969 (2008),<br></p>

<p>Applications The main metabolite of Nimesulide (N477500).<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Facino, R.M., et al.: Drugs, 46 (Suppl1),15 (1993), Westphal, J., et al.: J. Antimicrob. Chemother., 33, 387 (1994), Castell, J., et al.: Cell Biol. Toxicol., 13, 331 (1997), Georges, H., et al.: Life Sci., 65, 151 (1999), Singla, A.K., et al.: J. Pharm. Pharmacol., 52, 467 (2000),<br></p>

<p>Applications 4-Acetaminophen-d3 Sulfate Potassium Salt is a deuterium labeled metabolite of Acetaminophen (A161220) (1,2,3).<br>References (1) Lloyd, A., et al.: Biochim. Biophys. Acta., 52, 413 (1961)(2) Purohit, A., et al.: J. Steroid Biochem. Mol. Biol., 86, 423 (2003) (3) Winum, J., et al.: J. Med. Chem., 46, 2197 (2003)<br></p>

<p>Applications It is a labelled non-nutritive sweetener; pharmaceutic aid (flavor). Saccharin was formerly listed as reasonably anticipated to be a human carcinogen; delisted because the cancer data are not sufficient to meet the current criteria for this listing.<br>References Taylor, J.D., et al.: Food Cosmet. Toxicol., 6, 313 (1968), Arnold, D.L., et al.: Fundam. Appl. Toxicol., 4, 674 (1984),<br></p>

<p>Applications 2-Chloronicotinic Acid is used in the preparation of 4-thiazolidinone derivatives and Schiff bases displaying antimicrobial activity.<br>References Patel, N. et al.: Saudi Pharm. J., 18, 129 (2010); Patel, N. et al.: J. Sci. Islam Repub. Iran., 21, 121 (2010);<br></p>

<p>Applications 3-Hydroxyacetaminophen-d3 is deuterium labeled 3-Hydroxyacetaminophen (H714750). 3-Hydroxyacetaminophen is a metabolite of Acetaminophen (A161220), an analgesic and antipyretic agent used as a pain reliever to treat headache, muscle aches, and arthritis (1,2,3).<br>References (1) Chen, C., et al.: J. Biol. Chem., 283, 4543 (2008)(2) Reith, D., et al.: Clin. Exper. Pharmacol. Physiol., 36, 35 (2009) (3) McGill, M. R. and Jaeschke, H. Pharm Res. 30, 2174 (2013)<br></p>