Building Blocks

Stability Moisture Sensitive
Applications δ-Valerolactone is a compound commonly used to synthesize copolyesters by means of lipase-catalyzed ring opening polymerization.
References Faÿ, F., et al.: Eur. Polym. J., 43, 4800 (2007); Küllmer, K., et al.: Macromol. Rapid Comm., 19, 127 (1998)

Applications Valerophenone is an aromatic ketone that is often used as a tool in the study of various photochemical processes. Valerophenone is also an inhibitor of the enzyme carbonyl reductase.
References Lewis, F.D.: Mol. Photochem., 4, 49 (1972); Turro, N.J. et al.: Photochem. Photobiol., 26, 413 (1977); Imamura,Y. et al.: J. Enzyme Inhib. Med. Chem., 22, 105 (2007);

Applications L-4-Acetylphenylalanine

Applications (S)-3-Amino-4-(2,4,5-trifluorophenyl)butanoic Acid Hydrochloride is used as a reagent in the synthesis of valuable β-amylalkyl-β-amino acid enantiomers.
References Tasnadi, G., et al.: Org. Biomol. Chem., 8, 793 (2010)

Stability Air Sensitive, Light Sensitive, Moisture Sensitive, Temperature Sensitive
Applications N-Acetyl-4-benzoquinone Imine (NAPQI) is a toxic metabolite of Acetaminophen (A161220), an analgesic and antipyretic agent used as a pain reliever to treat headache, muscle aches, and arthritis (1,2,3). N-Acetyl-4-benzoquinone Imine can react with cysteine residues of hepatic proteins to yield Acetaminophen-cysteine (A161255) (4).
References (1) Jaeschke, H., et al.: Toxicol. Sci., 89, 31 (2006) (2) O’Malley G. F., et al.: J Med Toxicol. 11, 317 (2015)(3) McGill, M. R. and Jaeschke, H. Pharm Res. 30, 2174 (2013)(4) Frey, S. M., et al.: J Med Toxicol. 11, 218 (2015)

Applications Acetylpyrazine (cas# 22047-25-2) is a useful research chemical.

Applications Alizarin is used widely as a prominent red dye for textile facbrics. Alizarin red is now used in biochemical assay to determine quantitatively by colorimetry, the presence of calcific deposition by cells of the osteogenic lineage. Alzarine derivatives was evaluated as new inhibitors of the HIV-1 reverse transcriptase associated DNA polymerase and RNase H. Alizarin was also shown to inhibit proliferation, tumor growth and suppress tumorigenesis in human osteosarcoma and breast cancer cell representative for bone metastasis. Dyes and metabolites.
References Yuan, H.S., et al.: Mycol., 3, 100 (2012); Esposito, F. et al.: FEBS. J., 278, 1444 (2011); Fotia, Caterina, J. Orthop. Rsch. 30, 1486 (2012);

Stability Air Sensitive
Applications Allyltributyltin is a reagent in the preparation of chiral hydropyrimidines.
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 Wang, Pu-Sheng, et al.: Angewandte Chemie, I.E., 56(50), 16032-16036 (2017)

Applications 1-AMINO-2-METHYLNAPHTHALENE (cas# 2246-44-8) is a useful research chemical.

Applications 2-​Amino-​3-​chloro-​5-​trifluoromethylpyrid​ine acts as a reactant in the synthesis of novel imidazo[1,2-a]pyridine-coumarin hybrid molecules as inhibitors of NS5B in potential treatment of Hepititis C.
References vManvar, P. et al.: Tetrahedron 72, 1293 (2016);

Impurity Sulfadimethoxine EP Impurity A
Applications 4-Amino-2,6-dimethoxypyrimidine is a compound that may be polychlorinated (1). It is also (Sulfadimethoxine EP Impurity A) is an impurity of Sulfadimethoxine (S699060), an antibacterial agents that is an emerging contaminant of concern (2).
References 1. Smith, M. et al.: Org. Lett. 2016 May 6;18(9):2180-32. Ricken, B. et al.: Appl. Environ. Microbiol. 2013 Sep;79(18):5550-8

Stability Light Sensitive
Applications A reagent for the determination of aldehydes and other reactive chemicals.
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 Dickinson, R.G. and Jacobsen,N.W. : Chem. Commun., 1719, (1970), Del Nozal, M.J. et al.: J. Liq. Chromatography, 16, 1105 (1993),

Applications 1-aminoindan (cas# 34698-41-4) is a useful research chemical.

Applications 2,2’-Iminobis(N-(2,6-Dimethylphenyl)acetiamide is an impurity in the synthesis of Lidocaine Hydrochloride (L397800), an anesthetic local agent and antiarrythmic class IB agent.
References Duce, R., et al.: J. Pharmacol. Exp. Ther., 179, 580 (1971), Kronberg, G.H., et al.: J. Med. Chem., 16, 739 (1973), Groningsson, K., et al.: Anal. Profiles Drug Subs., 14, 207 (1985), Davies, P.S., et al.: Drugs, 64, 937 (2004),

Applications 4-Amino-3-methyl-1,2,4-triazin-5(4H)-one, is a metabolite of Mesotrione (M225765), a herbicide that works by inhibiting 4-hydroxyphenylpyruvate dioxygenase (HPPD), a crucial enzyme for the biosynthesis of carotenoid in plants. Mesotrione is also a synthetic analog of lepospermone.
References Deng, L., et al.: Indus. Crops. Prod., 39, 154 (2012); Pileggi, M., et al.: Chemosphere., 86, 1127 (2012); McElroy, J., S., Hort. Technol.,22, 627 (2012);

Applications 2-Amino-4,6,7,8-tetrahydro-5-(N-carbethoxy)thiazolo[5,4-d]azepine (cas# 887352-60-5) is a compound useful in organic synthesis.

Applications A nicotinic receptor agonist; brain rubidium efflux pharmacol.
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 Alkondon, M., et al.: J. Pharmacol. Exp. Ther., 271, 494 (1994); Wang, F., et al.: J. Biol. Chem., 271, 17656 (1996); Corringer, P., et al.: J. Neurosci., 18, 648 (1998);

Applications Apalutamide is a second-generation antiandrogen used in the treatment of prostate cancer.
References Li, Huifang, et al.: J. of Chem. Info. and Model., 53(1), 123-130 (2013);Joseph, James D., et al.: Cancer Disc., 3(9), 1020-1029 (2013)

Applications An inhibitor of NADPH oxidase (an enzyme responsible for reactive oxygen species production) and is useful in the treatment of various inflammatory diseases.
References Imnpellizzeri, D. et al.: Biochem. Pharmac., 81, 636 (2011); Genovese, T. et al: Brain Res., 1372;

Applications N-Benzoyl Isothiocyanate (cas# 532-55-8) is a compound useful in organic synthesis.

Applications Benzyldimethylamine, can be ligated with a N-heterocyclic carbene, to produce a highly active, practical and versatile catalyst for the Heck-Mizoroki reaction. It can also be used for the perpetration of novel electrolyte, dibenzyldimethylammonium fluoride for acylation of cellulose.
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 Guang-Rong, P., et al.: Org. Biomol. Chem., 7(10), 2110 (2009); Casarano, R., et al.: Carbohydrate Polymers, 101, 444 (2014);

Applications 1-O-Benzylethanediol (cas# 622-08-2) is a compound useful in organic synthesis.

Applications pentadecan-8-one (cas# 818-23-5) is a useful research chemical.

Applications N-Boc-propargylamine is used in the preparation of triazolobenzylidene-thiazolopyrimidines which act as CDC25 phosphatase inhibitors. Also used in the synthesis of β-glucan polysaccharide analogs.
References Duval, R. et al.: J. Comb. Chem., 11, 947 (2009); Tanaka, H. et al.: Tetrahedron Lett., 53, 4104 (2012);

Applications Bromocyclopropane (cas# 4333-56-6) 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 5-Bromopentanoic Acid Ethyl Ester was used in the preparation of S(γ-Carboxypropyl)-DL-homocysteine and S(δ-Carboxybutyl)-DL-homocysteine. It was also used in the preparation of ethyl 5-azidovalerate.
References Awad, W.: J. Biol. Chem., 258, 12790 (1983); Li, Z., et al.: Tetrahedron Lett., 45, 3143 (2004)

Applications 9-Bromononanol (cas# 55362-80-6) is a compound useful in organic synthesis.

Applications Bromonitromethane is used in the preparaton of [2,3-d]pyrimidines as inhibitors of Lck which can be used in the treatment of diseases where T-cell proliferation is unwanted. It is also used in the synthesis of isoxazoline N-oxides.
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 DiMauro, E. et al.: Bioorg. Med. Chem. 17, 2305 (2007); Kunetsky, R. et al.: Org. Lett., 5, 4907 (2003);

Applications One of the alkyl ethers with tert-Bu groups in their molecules which showed very poor biodegradability, tert-Bu Me ether (MTBE)  [1634-04-4] had no effect on the biodegradability of gasoline blended with it. Studies on the biodegradation of several alkyl ethers were carried out by measuring the O uptake rate in the presence of standard activated sludge as a source of microorganisms.
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 Siegemund, B., et al.: Acute Toxicity Data, 1, 200 (1992),

Stability Unstable in Aqueous Solution
Applications 1-(4-Chlorophenyl)-3-(dimethylamino)propan-1-one Hydrochloride

Applications 1-(Chloromethyl)naphthalene is used in the identification of Novel p38α MAP Kinase Inhibitors. It is also used in the Identification of 1,5-Naphthyridine derivatives as a novel series of potent and selective TGF-β type I receptor inhibitors.
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 Gill, A., et al.: J. Med. Chem., 48, 414 (2005); Gellibert, F., et al.: J. Med. Chem., 47, 4494 (2004)

Applications 3-Chloro-2-methyl-1-propene has been used in the synthesis of 2-S-substituted pyrimidines as antimetabolites of nucleic acid precursors for cancer therapy.
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 Kaldrikyan, M.A., Melik-Ohanjanyan, R.G.: Hayastani Kimiakan Handes, 67, 321 (2014)

Applications 5-Chlorosalicylic Acid, is a building block used for the manufacture of various pharmaceutical and biologically active compounds. It is used foe the synthesis of N-aryl-salicylamide derivatives as antitumor agents.
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 Wang, J., et al.: Youji Huaxue, 33, 1026 (2013); Pauk, K., et al.: Bioorg. Med. Chem., 21, 6574 (2013);

Applications 1,4-Cyclohexanedimethanol is extensively used as cross-linking reagent in polymer industry. It has been used in the synthesis of polyketal copolymers. It was used as diol comonomer during the synthesis of polyester-carbonates based on 1,3-propylene-co-1,4-cyclohexanedimethylene succinate.
References Yang, S., et al.: Bioconjugate Chem., 19, 1164 (2008); Liu, Y., et al.: J. Polym. Sci. A Polym. Chem., 39, 2508 (2011); Hungria, A., et al.: Angewandte Chemie, 45, 4782 (2006)

Stability Hygroscopic
Applications 3-Deoxy-D-arabino-hexonic Acid Calcium Salt has been shown to not play a major role in the initial hydrothermal decarboxylation of biomass.
References Luijkx, G.C.A., et. al.: Carbohyd. Res., 272, 191 (1995)

Applications 1,3-Diacetin is a derivative of Triacetin (T720850) which is used as a food additive and flavorings. Triacetin can be used as an excipient in pharmaceutical products where it is used as a humectant, a plasticizer, and as a solvent. Triacetin can also be used as a fuel additive as an antiknock agent.
References Mouret, A., et al.: Green Chem., 16 (1), 269 (2014); Snejdrova, E., et al.: Inter. J. Pharma., 458, 282 (2013)

Applications 2,2’-Dibenzothiazoyl Disulfide has the potential to combat HPV, acting as a zinc-ejecting inhibitor. It also can act as radical polymerization photo-initiators or co-initiators.
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 Beerheide, W. et al.: J. Natl Cancer Inst., 91, 1211 (1999); Lalevee, J. et al.: J. Polym. Sci. Part A: Polym. Chem., 45, 2494 (2007);

Applications 2,7-Dibromo-9H-fluorene is a useful building block for organic synthesis.