Salts and Derivatives of Active Pharmaceutical Ingredients (API)

<p>Applications Dextrosimendan is an isomer and impurity of Levosimendan (L378000), a bioactive enantiomer of Simendan (S466000). Levosimendan is a positive inotropic agent with vasodilating activity.<br>References Sandell, E.-P., et al.: J. Cardiovasc. Pharmacol., 26, S57 (1995); Pagel, P.S., et al.: Cardiovasc. Drug Rev., 14, 286 (1996)<br></p>

<p>Applications 3”-O-Demethyl Ivermectin is an impurity of Ivermectin (I940800), an antiparasitic drug that is active against a wide variety of nematode and arthropod parasites and is used to treat scabies and lice in humans. An invitro inhibitor of SARS-CoV-2/ Covid-19.<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 Campbell, W., et al.: Science, 221, 823 (1983); Glaziou, P., et al.: Trop. Med. Parasitol., 45, 253 (1994); Meinking, T., et al.: New Engl. J. Med., 333, 26 (1995); Caly, L., et al.: Antivir. Res., 178<br></p>

<p>Applications 1-​(4-​Aminophenyl)​-​5,​6-​dihydro-​3-​(4-​morpholinyl)​-​2(1H)​-​pyridinone is an intermediate in the synthesis of Apixaban (A726700), A potent, direct, selective, and orally active inhibitor of coagulation factor Xa. It is a potential new oral coagulant that may be useful prevention of venous thromboembolism in total hip, knee replacement orthopedic surgery and stroke in treatment of patient with venous thromboembolic disorder or with atrial fibrillation.<br>References Nevuluri, N. et al.: Monat. fuer Chem., 148, 1477 (2017);<br></p>

<p>Applications (1R,2S)-2-(3,4-Difluorophenyl)cyclopropanamine is an intermediate in the preparation of orally active reversible P2Y12 receptor antagonists such as Ticagrelor (T437700)for the prevention of thrombosis.<br>References Springthorpe, B. et al.: Bioorg. Med. Chem. Lett., 17, 6013 (2007);<br></p>

<p>Impurity Apixaban<br>Applications Analytical standard impurity of drug.<br></p>

<p>Impurity Leflunomide EP Impurity E<br>Applications 5-Desmethyl-3-methyl Leflunomide (Leflunomide EP Impurity E) is the 3-methyl-isomer of Leflunomide (L322750), as a poisonous impurity.<br></p>

<p>Applications 4-Hydroxythiobenzamide is used in the synthesis of PPARα agonists used in increasing HDLc levels. Also used in the synthesis of potent CDK5 inhibitors in the treatment of Alzheimer’s disease.<br>References Sierra, M. et al.: J. Med. Chem., 50, 685 (2007); Zhong, W. et al.: Bioorg. Med. Chem. Lett., 17, 5384 (2007);<br></p>

<p>Impurity Allopurinol EP Impurity A / Allopurinol USP Related Compound A<br>Stability Hygroscopic<br>Applications 3-Amino-4-carbamoylpyrazole Hemisulfate (Allopurinol EP Impurity A) is an impurity of Allopurinol (A547300), a pyrazole derivative that has been shown to induce neoplasm immunogenicity.<br>References Nicolin, A. et al.: Cancer, Chemother. Rep., 57, 3 (1973); Bonmassar, E. et al.: Cancer Res., 35, 1957 (1975);<br></p>

<p>Applications Diclofenac-13C6 is a labelled analogue of Diclofenac Acid (D436465), which is a nonsteroidal anti-inflammatory compound and decycloxygenase (COX) inhibitor. Diclofenac-13C6 is also an intermediate in synthesizing Diclofenac-13C6 Sodium Salt (D436453), which is a labelled analogue of Diclofenac Sodium Salt (D436450).<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 Yagi, K., et. al.: Biol. Pharm. Bull., 37, 1234 (2014); Kenny, J. R., et al.: J. Med. Chem., 47, 2816 (2004); Sasaki, A., et al.: J. Pharmacol. Sci., 108, 266 (2008); Dalvie, D., et al.: Chem. Res. Toxicol., 22, 357 (2009); Kenny, J. R., et al.: J. Med. Chem., 47, 2816 (2004), Sasaki, A., et al.: J. Pharmacol. Sci., 108, 266 (2008); Dalvie, D., et al.: Chem. Res. Toxicol., 22, 357 (2009)<br></p>