Pharmaceutical Standards

Applications (S)​-​(+)​-​Pantolactone is a versatile cyclic ester reactant used in the preparation of tunable ligands carbohydrate-derived diarylphosphinites for asymetric catalysis hydrovinylation of styrene derivatives.
References Park, H., RajanBabu, T.: J. Am. Chem. Soc., 124, 734 (2002);

Applications 1,1'-Binaphthyl-2,2'-dithiol is used in the preparation of chiral, atropisomeric organosulfur compounds.

Applications Silver salt of Phosphoric Acid, used in various chemical processes as a phosphorylating compound. It is involved in the hydrolysis via phosphorylation of nanocrystals to obtain high-aspect-ratio cellulose nanocrystals. Also used in the preparation of superionic conducting glasses based upon silver halides.
References Camarero E. et al.: Biomacromol., 14, 1223 (2013); Minami, T. et al.: J. Non-Cryst. Sol., 56, 15 (1983);

Applications Ethylene Glycol Dilaurate is a pearling agents for cosmetics.
References Onozaki, T., et al.: Journal of SCCJ, 15, 38 (1981)

Applications 6-Chloro-2,3-dihydro-1-oxo-1H-isoindole-5-carboxylic Acid Methyl Ester is a useful synthetic intermediate.

Applications 2,2'-Dichloro Diphenyl Disulfide is a symmetrical disulfide synthesized from oxidation of thiols using various catalysts such as solid supported catalyst (Al2O3/KF), copper chloride, selenium ionic liquid.
References Lenardao, E., et al.: Tetrahedron Lett., 48, 7668 (2007); Tian, X., et al.: Huaxue Yanjiu, 21, 25 (2010); Thurow, S., et al.: Tetrahedron Lett., 52, 640 (2011);

Applications 2-[(naphthalen-2-yloxy)methyl]oxirane is a monoesters of ibuprofen where are used as prodrugs with analgesic activity
References Soltani Rad. et al., Bioorg. Chem. 107, 104570(2021)

Applications 2,3'-Dibromopropiophenone is an intermediate in the synthesis of 3-Deschloro-3-bromo Bupropion Hydcrochloride (D281955), a derivative of Bupropion Hydrochloride (B689625), a selective inhibitor of dopamine uptake. An antidepressant of the aminoketone class; aid in smoking cessation.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Soroko, F., et al.: J. Pharm. Pharmacol., 29, 769 (1977), Tucker, W.E., J. Clin. Psychiatry, 44, 60 (1983), Hsyu, P-H., et al.: J. Clin. Pharmacol., 37, 737 (1997), West, R., et al.: Expert Opin. Pharmacother., 4, 533 (2003),

Applications 2',3'-Di-O-(tert-butyldimethylsilyl)-2'-deoxycytidine is an intermediate for biosynthesis of cholyl-CoA and oligodeoxyribonucleotides.
References Takamura-Enya, T. et al.: Chem. Res. Toxicol., 18, 1715 (2005); Wada, T. et al.: J. Am. Chem. Soc., 119, 12710 (1997)

Applications Olopatadine Isopropyl Ester-d6 is labelled Olopatadine Isopropyl Ester (O575025), an intermediate used to prepare Olopatadine (O575000, HCl salt) via Wittig reaction. Olopatadine is a dual acting histamine H1-receptor antagonist and mast cell stabilizer.
References Kamei, C., et al.: Arzneim.-Forsch., 45, 1005 (1995); Sharif, N.A., et al.: J. Pharmacol. Exp. Ther., 278, 1252 (1996); Abelson, M.B., et al.: Am. J. Ophthalmol., 125, 797 (1998); Silva, G., et al.: Eur. Pat. Appl., EP 2145882 A1 20100120 (2010)

Applications 1-(4-Chlorophenyl)-3-[(2-nitrophenyl)methoxy]pyrazole is an intermediate for the synthesis of Pyraclostrobin-d6 (P840402). Isotope labelled Pyraclostrobin is a fungicide for use in seed grass and food crops.
References Gyldenkaerne, S., et al.: Pestic Sci., 55, 1210 (1999), Pennington, D., et al.: Environ. Sci. Technol., 39, 1119 (2005), Wang, S., et al.: Food Control., 18, 731 (2007),

Applications Tetrachlorophthalic Anhydride is used in the synthesis of nucleoside analogues with a specific structure as apoptosis inducing active compounds. Also used in the synthesis of carbonic anhydrase inhbitors. Chlorinated Reactive Flame Retardant Intermediate
References Hirschhaeuser, C. et al.: Chem. A. Eur. J., 19, 13017 (2013); Sethi, K. et al.: Bioorg. Med. Chem., 21, 5168 (2013);

Applications 2,4’-Difluorobenzophenone is a reactant in the synthesis of EP1 receptor antagonists for the treatment of overactive bladder. Also used in the design and synthesis of thiosemicarbazone cathespin L inhibitors.
References Kishore, K. et al.: Bioorg. Med. Chem. Lett., 20, 1415 (2010); Atobe, M. et al.: Bioorg, Med. Chem. Lett., 24, 1327 (2014);

Applications 2-[[[[1-(Methyl-d3)ethyl-1,2,2,2-d4]amino]sulfonyl]amino]-benzoic Acid Methyl Ester is an intermediate in the synthesis of Bentazon-d7 (B120583). Bentazon-d7 is deuterium labelled Bentazon (B120580), which is a herbicide.
References Ghirardello, D., et al.: Environ. Sci. Technol., 44, 9010 (2010); Frihauf, J., et al.: Weed Technol., 24, 262 (2010); Rotroff, D., et al.: Toxicol. Sci., 117, 348 (2010)

Applications 2,2',3,5',6-Pentachlorobiphenyl-13C12 is the labeled analogue of 2,2',3,5',6-Pentachlorobiphenyl (P237935), an environmental neurotoxicant that promotes synaptogenesis through ryanodine receptor-dependent miR132 upregulation.
References Lesiak, A., et. al.: J. Neurosci., 34, 717 (2014)

Applications 2-Formylcinnamic Acid (cas# 28873-89-4) is a compound useful in organic synthesis.

Applications trans-2,cis-6-Nonadienal-D5 is a labelled analogue of trans-2,cis-6-Nonadienal (N649365). trans-2,cis-6-Nonadienal is an unsaturated aldehyde that is responsible for the cucumber smell of Synura petersenii, a freshwater colonial flagellate. trans-2,cis-6-Nonadienal is also a common natural and drinking water contaminant.
References Berra, T., et al.: Trans. Am. Fish. Soc., 111, 78 (1982); Kynclova, A., et al.: Nova Hedw. Bei., 136, 283 (2010); Ömür-Özbek, P. & Dietrich, A.: Environ. Sci. Tech., 39, 3957 (2005)

Applications 2-(Bromomethyl)-3-nitrobenzoic Acid Methyl Ester (cas# 98475-07-1) is a compound useful in organic synthesis.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package

Applications 2,6-Anhydro-5-deoxy-D-lyxo-hex-5-enonic Acid Methyl Ester 3,4-Diacetate is used as a reagent in the synthesis of the nucleoside antibiotic Herbicidin B. It is also a useful synthetic intermediate in the synthesis of Mirtazapine N-Glucuronide (M365015).
References Ichikawa, S., et al.: J. Am. Chem. Soc., 121, 10270 (1999)

Applications α-D-Glucopyranuronic Acid Methyl Ester 2,3,4-Tribenzoate 1-Methanesulfonate is a reactant in organic synthesis. It is used in the preparation of novel quaternary glucuronyl reagent for preparation of tertiary amines.
References Araya, I. & Akita, H.: Heterocycles., 75, 1213 (2008)

Applications D-Biotin impurity. Used in the synthesis of D-Biotin.

Applications Labelled p-Coumaric Acid 4-O-Sulfate, the sulfate conjugate of p-Coumaric Acid. p-Coumaric Acid 4-O-Sulfate is one of the metabolites in human biological fluids after coffee consumption. p-Coumaric Acid 4-O-Sulfate is also a metabolite of 4-Nonylphenol (N650430).
References Fumeaux, R. et al.: Org. Biomol. Chem., 8, 5199 (2010); Zalko, D. et al.: Drug Metab. Disp., 31, 168 (2003); Thibaut, R. et al.: Xenobiotica, 28, 745 (1998);

Applications 3-Deoxy-D-ribo-hexono-1,4-lactone, is a building block used in synthesis of various compounds.

Applications Tetramethyl-d12-urea (CAS# 51219-89-7) is a useful isotopically labeled research compound.

Applications An labelled impurity of the commercial synthesis of labelled Raltegravir

Applications A new anti-inflammatory drug. Effect of SAS 650 (Furofenac) on malondialdehyde production by platelets.
References Bertoli, D., et al.: Int. J. Tissue Reactions, 2, 217 (1980),

Applications 2-Amino-3’-hydroxy-acetophenone Hydrochloride is a reactant in the synthesis of TRPM8 modulators.
References PCT Int. Appl. (2014), WO 2014130582 A2 20140828;

Stability Hygroscopic
Applications L-Aspartic acid 4-tert-butyl ester is a protected form of L-Aspartic acid (A790024). L-Aspartic acid is a nonessential amino acid that is used to biosynthesize other amino acids within the human body. L-Aspartic acid also increases membrane conductance of mammalian neurons by voltage-dependent means, causing depolarization and nerve impulses that travel to key areas of the central nervous system.
References Anderson, H., et al.: J. Nutr., 99, 82 (1969); Honey, C., et al.: Neurosci. Lett., 61, 135 (1985); MacDonald, J., et al.: Brain Res., 237, 248 (1982)

Applications Intermediate in the synthesis of an impurity of Mesna (M225750).

Applications 4-Bromo-1,8-naphthalic Anhydride is used as a starting material in the synthesis of a fluorescent probe for the detection of copper ions in living human LO-2 cell lines.
References He, Guangjie, et al.: PLoS One, 12(10), e0186994/1-e0186994/11 (2017)