Pharmaceutical Standards

Applications A cell division factor found in various plant parts and in yeast. A plant growth regulator. Augments growth of microbial cultures.
References Fry, D.W., et al.: Science, 265, 1093 (1994), Vesely, J., et al.: Eur. J. Biochem., 224, 771 (1994),

Applications β-(m-Hydroxyphenyl)hydracrylic Acid is a urinary metabolite of phenylalanine from the Clostridium gram-positive bacteria cell line. Urinary metabolite of Rutin (R701800), a capillary protectant in plants.
References Harrison, et al.: J. Am. Pharm. Assoc., 39, 557 (1950), Humphreys, et al.: Econ. Bot., 18, 195 (1964), Khalifa, T.I., et al.: Anal. Profiles Drug Subs., 12, 623 (1983); Shigeo, B. et al.: J. Pharm. Sci., 72, 1155 (1983)

Applications Intermediate for synthesis of verapamil and analogs.

Applications Robinetin (cas# 490-31-3) is a useful research chemical.

Applications 1-Acenaphthenone is a product of the photolysis (and microbial metabolism) of acenaphthene, a polycyclic hydrocarbon that has potential to act as polyploidizing agents in plants.
References Kostoff, D.: Nature, 142, 753 (1938); Reyes, C., et al.: J. Photochem. Photobio. A, 112, 277 (1998); Schocken, M. & Gibson, D.: Appl. Environ. Microb., 48, 10 (1984)

Applications (2-Nitrophenyl)phosphoric triamide is used in the preparation of N-phenylphosphoric acid triamides derivatives as agents for regulating or inhibiting enzymatic urea hydrolysis.
References Benini, S., et al.: Eur. J. Biochem., 239, 61 (1996), Witte, C., et al.: Plant Physiol., 128, 1129 (2002), Krajewska, B., rt al.: Bioorg. Chem. 35, 355 (2007),

Applications Diphenyl-2,2',4,4',6,6'-d6-amine (CAS# 99234-91-0) is a useful isotopically labeled research compound.

Applications Isotope labelled (-)-2-Methylisoborneol (M314000), which is a derivative of Camphor (1) (C165805). (-)-2-Methylisoborneol is a flavor component of Robusta coffee responsible for the off-flavour aroma (2). Drinking water contaminant candidate list 3 (CCL 3) compound as per United States Environmental Protection Agency (EPA). Environmental contaminants; Food contaminants.
References 1. Money T. Nat Prod Rep. 1985 Jun;2(3):253-89.2. Blank I et al.: J Agric Food Chem. 2002 Jul 31;50(16):4653-6.

Impurity Beclomethasone Dipropionate EP Impurity L
Applications 1,2-Dihydro Beclomethasone Dipropionate (Beclomethasone Dipropionate EP Impurity L) is an impurity of Beclomethasone Dipropionate (B131030).

Applications Constituent of plants, probably occurs in plants only in conjugated forms.
References Neish, et al.: Can. J. Biochem Physiol., 37, 1431 (1959), Krasemann, et al.: Arch. Pharm., et al.: 293, 721 (1960), Wolfrom, et al.: J. Agric. Food Chem., 8, 58 (1960),

Applications L-Methionine Sulfoxide 13C1 is a labelled analogue of L-Methionine Sulfoxide ( M260450). L-Methionine Sulfoxide ( M260450) an intermediate in the synthesis of the acyclic amino carboxylic acid L-Methionine sulfoximine.
References Lee, B., et al.: J. Biol. Chem., 283, 28361 (2008), Nordqvist, A., et al.: Bioorg. Med. Chem., 16, 5501 (2008);Balog, E., et al.: Biochem., 48, 3005 (2009);

Applications 1,4-Naphthoquinone-d6 (CAS# 26473-08-5) is a useful isotopically labeled research compound.

Applications Methyl Lithocholate is an derivative of Lithocholic Acid (L469180),a cholic acid derivative as TGR5 modulator. Found in ox bile, human bile, rabbit bile, and in ox and pig gallstones.
References Roleira, F.M., et al.: Lett. Drug. Design. Discovery., 7, 610 (2010);

Applications 1,2,5,6-Tetramethylnaphthalene is a polycyclic aromatic hydrocarbon that has been found in petroleum.
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 Forster, P.G., et. al.: J. Chromatogr., 483, 384 (1989)

Stability Very Very Hygroscopic
Applications A metabolic intermediate of L-Carnitine.
References Huffman, K. et al.: Diab. Care, 32, 1678 (2009);

Stability Light Sensitive
Applications Protoporphyrin-9 is the precursor to heme sites and chlorophyll.

Impurity Clonidine EP Impurity A
Applications 1-Acetyl-2-imidazolidinone (Clonidine EP Impurity A) is a synthetic reagent used in the preparation of triple [14C]-labelled moxonidine which is an antihypertensive compound.
References Czeskis, B., et al.: J. Labelled Comp. Radiopharm., 47, 699 (2004)

Applications 4,4'-[(Phenylmethylene)bis[(2,5-dimethyl-4,1-phenylene)-2,1-diazenediyl]]bis[3-hydroxy-N-phenyl-2-naphthalenecarboxamide, can be used for the preparation of paper strips containing indicator dyes, which change color upon exposure to certain chemical warfare agents but not to common solvents.
References Nestmann, E., et al.: Carcinogenesis, 2, 879 (1981);

Applications The sex pheromone of Cigarette Beetle.