Organic Phosphates and Phosphonates

Impurity Captopril EP Impurity A
Applications Captopril Disulfide (Captopril EP Impurity A) is a metabolite of Captopril. A new antihypertensive agent.
References Sprague, P., et al.: Perspect. Drug Discovery Des., 3, 21 (1995), Cushman, D., et al.: Nat. Med., 5, 1110 (1999), Jacoby, E., et al.: Drug News Perspect., 16, 93 (2003), Lengauer, T., et al.: Drug Discovery Today, 9, 27 (2004),

Applications A powerful complexing agent. A potent acid sphingomyelinase inhibitor.
References Marathe, S., et al.: J. Biol. Chem., 273, 4081 (1998), Lang, P., et al.: Nat. Med., 13, 164 (2007), Nara, F., et al.: J. Antibiot., 52, 525 (1999), Szajnman, S., et al.: Bioorg. Med. Chem. Lett., 15, 4685 (2005),

Impurity Cyclophosphamide Impurity D Dihydrochloride
Stability Hygroscopic
Applications A metabolite of Cyclophosphamide (C988580).
References Joqueviel, C. et al.: Drug Metab. Dispos., 26, 418 (1998);

Applications A metal complex of Deferasirox (D228650) as oxidation catalysts. Coordination compound.
References Rouan, M., et al.: Biomed. Sci. Applic., 755, 203 (2001)

Stability Hygroscopic
Applications A labelled cholinesterase inhibitor; a nonsystemic organophosphate insecticide. Used as a standard for Pesticide detection.
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 Gaines, T.B., et al.: Toxicol. Appl. Pharmacol., 14, 515 (1969),

Applications Malathion is a pestanal and used primarily as an insecticide. Malathion is also useful in cannabis testing kits as a component of pesticide mixes (P698230).
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 Josse, R et al.: Chem. Bio., Interact., 209, 76 (2014);

Applications 2-Isopropyl-6-methyl-4-pyrimidone, is an intermediate used for the synthesis of various benzophenone derivatives, having antifungal and antibacterial activities. It can also be used for the synthesis of Diazinon (D416880), and Diazoxon (D416890), the organophosphate insecticides.
References Sun, L., et al.: Molecules, 16, 9739 (2011); Pasti, T. L., J. Environ. Protect. Ecology, 12, 1168 (2011);

Applications Labelled Fenthion, an organothiophosphate insecticide. Fenthion is also a potent acaricide.
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 Pati, B.R. et al.: Plant Soil, 80, 215 (1984); Barros, A.T. et al.: Vet. Parasitol., 96, 243 (2001); Kyriakidis, N.V. et al.: Food Chem., 91, 241 (2005);

Applications Terbufos-sulfoxide was identified in vegetables and fruit by gas chromotography.
References Zhang, Q., et al.: Shandong Huagong, 45, 57 (2016)

Impurity Captopril EP Impurity G
Applications 3-Acetylthio-2-methylpropionic Acid (Captopril EP Impurity G) is a key intermediate for Captopril (C175750) and other hypertension drugs.
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 Cushman, D., et al.: Biochem., 16, 5484 (1977), Ondetti, M., et al.: J. Med. Chem., 24, 355 (1981), Tseng, T., et al.: Cancer Lett., 62, 233 (1992),

Stability Moisture Sensitive, Temperature Sensitive
Applications A labelled metabolite of Cyclophosphamide. Antineoplastic; bone marrow purging agent.
References Takamizawa, A., et al.: J. Med. Chem., 18, 376 (1975), Jones, R.J., et al.: J. Hematother., 1, 343 (1992), Biggs, D., et al.: Prog. Clin. Biol. Res., 389, 9 (1994),

Applications Toldimfos Sodium, is a cattle drug that can be used to investigate the bovine serum paraoxonase 1 (PON1) activity.
References Arslan, M., et al.: J. Enzyme Inhibit. Med. Chem., 27, 722 (2012);

Impurity Captopril EP Impurity C
Applications 3-Mercapto-2-methylpropanoic Acid (Captopril EP Impurity C) is a useful synthetic intermediate.
References Lewis, S.N. et al.: J. Het. Chem., 8, 571-580 (1971)

Applications An ACE inhibitor. Hydrolyzed in vivo to the active diacid metabolite (Cilazaprilat). Antihypertensive.
References Natoff, I.L., et al.: J. Cardiovasc. Pharmacol., 7, 569 (1985), Szucs, T., et al.: Drugs, 41, Suppl.1, 18 (1991), Pordy, R.C., et al.: Cardiology, 86, 41 (1995),

Stability Hygroscopic
Applications Potassium salt of Phosphoric Acid (P359200), used in various chemical processes as a phosphorylating compound. Also used in the preparation of prosthetics and collagen nanocomposites due to the bone-like properties. pH buffer.
References Ezhova, Z. et al.: Russ. J. Inorg. Chem., 58, 1177 (2013); Wu, Y. et al.: Asian J. Chem., 25, 5881 (2013);

Applications A metabolite of Cyclophosphamide (CPA) (C988580).
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 Takamizawa, A., et al.: J. Med. Chem., 18, 376 (1975), Jones, R.J., et al.: J. Hematother., 1, 343 (1992), Biggs, D., et al.: Prog. Clin. Biol. Res., 389, 9 (1994),

Stability Moisture Sensitive
Applications Fenthion is an organothiophosphate used as an insecticide. Fenthion is also a potent acaricide. Useful in cannabis testing kits as a component of pesticide mixes (P698230).
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 Pati, B.R. et al.: Plant Soil, 80, 215 (1984); Barros, A.T. et al.: Vet. Parasitol., 96, 243 (2001); Kyriakidis, N.V. et al.: Food Chem., 91, 241 (2005);

Stability Hygroscopic
Applications A major biodegradation product of Malathion (M111000).
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 Kim, Y. et al.: Chemosphere, 60, 1349 (2005); Yoshii, K. et al.: J. Health Sci., 54, 535 (2008); Hayasaka, M. et al.: Jap. J. Forensic Toxicol., 12, 15 (1994);

Applications Amifostine Trihydrate is a widely used cytoprotective and radio-protective agent.
References Adibhatla K.S., et al. Novel method of manufacture of high purity Amifostine trihydrate. Indian Pat. Appl. IN 2005CH01592 A 20080125. Jan 25, 2008

Applications Alendronic Acid-d6 Sodium Salt is a labelled salt analogue of Alendronic Acid (A521250), a bisphosphonate used as a bone reabsoption inhibitor.
References Wang, X.M., et al.: Clin. J. Dent. Res., 3, 26 (2000); Woo, T., et al.: Best Pract. Res. Clin. Rheumatol., 15, 469 (2001); Benford, H.L., et al.: Bone, 28, 465 (2001)

Applications Angiotensin-converting enzyme ACE inhibitor. A prodrug that is de-esterified to the active inhibitor, the sulfhydryl group containing metabolite, Zofenoprilat.
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 Gorren, A., et al.: Biochem. J., 331, 801 (1998), Subissi, A., et al.: Cardivascular Drug Reviews, 17, 2 (1999), Marchand, C., et al.: Mol. Pharmacol., 64, 600 (2003), Maurin, C., et al.: J. Med. Chem., 47, 5583 (2004),

Stability Hygroscopic
Applications Butafosfan, a component of Catosal, is licensed for the treatment of metabolic disorders or as a tonic in swine. It reduces the stress-induced cortisol (C696302, d4 labelled) response after mixing of unfamiliar pigs. It can also increase milk production in Holstein cows in combination with cyanocobalamin.
References De Groot, J., et al.: J. Vet. Pharmacol. Ther., 26, 222 (2003); Pereira, R., et al.: Animal, 7, 1143 (2013)

Applications (4S)-4-(Phenylthio)-L-proline is an impurity of Zofenopril (Z587000).
References Krapcho, J., et al.: J. Med. Chem., 31, 1148 (1988),

Applications Dichlorvos-d6 is a deuterated analogue of Dichlorvos a Cholinesterase inhibitor. Anthelmintic, insecticide. Used as a standard for Pesticide detection. Also used in Cannabis testing.
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 Gaines, T.B., et al.: Toxicol. Appl. Pharmacol., 14, 515 (1969), Reuber, M.D., et al.: Clin. Toxicol., 18, 47 (1981),

Applications It is a cytotoxic nitrogen mustard derivative widely used in cancer chemotherapy. It cross-links DNA, causes strand breakage, and induces mutations. Its clinical activity is associated with a decrease in aldehyde dehydrogenase 1 (ALDH1) activity. This substance is listed as a known human carcinogen.This compound is suitable for aldehyde dehydrogenase (ALDH) related research.
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 Wheeler, A.G., et al.: Toxicol. Appl. Pharmacol., 4, 324 (1962), Fraiser, L.H., et al.: Drugs, 42, 781 (1991), Colvin, O.M., et al.: Curr. Pharmaceut. Design, 5, 555 (1999),

Applications Fenthion Sulfoxide is the sulfoxide anlogue and metabolite of the organothiophosphate insecticide Fenthion (F278000).
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 Wallnoefer, P. et al.: Pflanzensch.-Nach., 29, 236 (1976); Minelli, E.V. et al.: J. Agric. Food. Chem., 44, 936 (1996);

Stability Moisture Sensitive
Applications Phoxim is an organophosphate insecticide. It is an analogous dimethyl ester and an organothiophosphate acaricide.
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 Lu, Y., et al.: Nature, 487, 362 (2012); Jokanovic, M., et al.: Arch. Toxicol., 70, 119 (1995); Wang, W., et al.: Pest. Biochem. Physiol., 84, 180 (2006)

Stability Hygroscopic
Applications Isotope labelled Parathion-methyl is an derivative of Parathion (P192220), an organophosphate insecticide used on cotton, rice and fruit trees. Cannabis testing.
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 Sykes, M., et al.: J. Agri. Food. Chem., 61, 4205 (2013); Sipes, N.S., et al.: Chem. Res. Toxicol., 26, 878 (2013);

Applications Disalicylimide is an impurity of Deferasirox (D228650), an orally active tridentate iron chelator.
References Hershko, C., et al.: Blood, 97, 1115 (2001), Galanello, R., et al.: J. Clin. Pharmacol., 43, 565 (2003), Nick, H., et al.: Curr. Med. Chem., 10, 1065 (2003),

Stability Very Hygroscopic
Applications The major metabolite of herbicidal Glufosinate (G596950).

Stability Hygroscopic
Applications Used as a herbicide.
References Abbas, H., et al.: J. Agric. Food Chem., 50, 5246

Applications (Z)-Tetrachlorvinphos is used in sensitive immunoassay for detection of organophosphorus pesticides. Also, used in exposure characterization of varied major insecticides including neonicotinoids, organophosphates and pyrethroids in urine of young children. Useful in cannabis testing kits as a component of pesticide mixes (P698240).
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 Zhao, F., et al.: Anal. Bioanal. Chem., 408, 6423 (2016); Osaka, A., et al.: Environ. Res., 147, 89 (2016)

Impurity Cyclophosphamide Impurity B
Stability Hygroscopic
Applications A metabolite of Cyclophosphamide (C988580). Cyclophosphamide Impurity B
References Joqueviel, C. et al.: Drug Metab. Dispos., 26, 418 (1998);

Applications Deferasirox Ethyl Ester is a derivative of Deferasirox (D228650); an orally active tridentate iron chelator.
References Hershko, C., et al.: Blood, 97, 1115 (2001); Galanello, R., et al.: J. Clin. Pharmacol., 43, 565 (2003); Nick, H., et al.: Curr. Med. Chem., 10, 1065 (2003)

Applications 4-Hydrazinobenzoic Acid, is an organic building block used for the synthesis of various chemical and pharmaceutical compounds. It can be used for the synthesis of Deferasirox (D228650), an orally active tridentate iron chelator.
References Ying, Ch., et al.: Xiandai Yaowu Yu Linchuang, 27, 446 (2012); Galanello, R., et al.: J. Clin. Pharmacol., 43, 565 (2003), Nick, H., et al.: Curr. Med. Chem., 10, 1065 (2003);

Applications A metabolite of Fenthion (FEN).
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 Buratti, F., et al.: Toxicol. Lett., 167, 245 (2006), Buratti, F., et al.: Drug Metab. Dispos., 33, 295 (2005), Buratti, F., et al.: Toxicology, 241, 33 (2007),

Impurity Cyclophosphamide Impurity A
Applications A cytotoxic metabolite of Cyclophosphamide; a deuterated analog of Nor-nitrogen mustard. Cyclophosphamide Impurity A
References Colvin, M. et al.: Cancer Res., 36, 1121 (1976); Ludeman, S. et al.: Drug Metab Dispos., 20, 337 (1992); Ludeman, S.M. et al.: J. Pharmaceut. Sci., 84, 393 (1995); Yu, L. et al.: Drug Metab. Dispos., 24, 1254 (1996);

Stability Light Sensitive, Moisture Sensitive
Applications POPE is a component of E. Coli bacteria cell membrane.
References Tu, Y., et al.: Nature Nanotechnology, 8, 594 (2013).

Applications 2-Pyrrolidinylphosphonic Acid, is an impurity of Alendronate (A521250), a bisphosphonate used as a bone reabsoption inhibitor.
References Wang, X.M., et al.: Clin. J. Dent. Res., 3, 26 (2000), Woo, T., et al.: Best Pract. Res. Clin. Rheumatol., 15, 469 (2001), Benford, H.L., et al.: Bone, 28, 465 (2001),