Peptides et Protéines

Applications A group of nonpolar cyclic oligopeptides with immunosupppressant activity.
References van Wartburg, A., et al.: Prog. Med. Chem., 25, 1 (1988), Jorgensen, K.A., et al.: Scand. J. Imunol., 57, 93 (2003), Vollenbroeker, et al.: Transplant. Proc., 37, 1741 (2005),

Stability Temperature Sensitive, Hygroscopic
Applications 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 N-Glycylproline was found to exhibit anti-ischemic effects on the metabolism of neuroactive amino acids and indices of energy turnover in the neocortex of rats after experimental brain ischemia.
References Bashun, Z.N., et al.: Neurochem. J., 7, 39 (2013);

Applications Perfluorophenol is used in the synthesis of PGA-films as biodegradable polymers. It also participates in the synthesis of tripod macrocyclic Gd(III) chelates for cancer molecular MRI.
References Lee, K. et al.: Langmuir., 20, 2531 (2004); Zhou, Z. et al.: Biomater., 34, 7683 (2013);

Impurity Bortezomib USP Impurity I
Applications (R)-Hydroxy Des(boric acid) Bortezomib is an impurity in the synthesis of Bortezomib (B675700), the first proteasome inhibitor to be approved by the US FDA for multiple myeloma, a blood cancer. A reversible inhibitor of the 26S proteasome-a barrel-shaped multiprotein particle found in the nucleus and cytosol of all eukaryotic cells. Targets the ubiquitin-proteasome pathway.
References Nawrocki, S.T., et al: Cancer Research, 65, 11510 (2005); Drahl C. et al.: Chem. and Eng. News, 87, 41 (2009)

Stability Hygroscopic and Moisture Sensitive
Applications Bortezomib is the first proteasome inhibitor to be approved by the US FDA for multiple myeloma, a blood cancer. A reversible inhibitor of the 26S proteasome-a barrel-shaped multiprotein particle found in the nucleus and cytosol of all eukaryotic cells. Targets the ubiquitin-proteasome pathway.
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 Nawrocki, S.T., et al: Cancer Research, 65, 11510 (2005); Drahl C.: Chem. and Eng. News, 87, 41 (2009);

Impurity Levothyroxine N-Formyl Impurity; N-Formyl-T4 (USP)
Applications N-Formyl Thyroxine (Levothyroxine N-Formyl Impurity; N-Formyl-T4 (USP)) is a thyroxine derivative which showed less thyroid activity than Thyroxine Sodium (T425601).
References Basil, B., et al.: Br. J. Pharmacol. Chemother., 5, 315 (1950),

Applications Labelled Voclosporin (V678500). A new agent for the treatment of noninfectious uveitis. Uveitis is an inflammatory, putative Th1-mediated autoimmune disease that affects various parts of the eye and is a leading cause of visual loss. Voclosporin, a rationally designed novel calcineurin inhibitor, exhibits a favorable safety profile, a strong correlation between pharmacokinetic and pharmacodynamic response, and a wide therapeutic window. Immunosuppressant.
References Aspeslet, L., et al.: Transplant Proc., 33, 1048 (2001), Cho, M., et al.: Arthritis Rheum., 46, 1202 (2002), Staatz, C., et al.: Clin. Pharmacokinet., 43, 623 (2004),

Applications Labelled N-2-(Hydroxyethyl)-L-valine (H942300). Cotinine and N-(2-hydroxyethyl)valine are markers of passive exposure to tobacco smoke in children.
References Dempsey, D., et al.: Clin. Pharmacol. Ther., 67, 458 (2000), Smith, C., et al.: Food Chem. Toxicol., 41, 807 (20030,

Applications Teduglutide-d8 TFA salt x hydrate (Leu-methyl-d3+Phe-d5) is an isotopically labelled form of Teduglutide (T013795), which is glucagon-like peptide-2 (GLP-2) analogue that is used for the treatment of short bowel syndrome.
References Jeppesen, P., et al.: Gut, 54, 1224 (2005)
Chemical Name: Jeppesen, P., et al.: Gut, 54, 1224 (2005)

Applications An immunosuppressant that has revolutionized organ transplantation through its use in the prevention of graft rejection.A group of nonpolar cyclic oligopeptides with immunosupppressant activity.
References van Wartburg, A., et al.: Prog. Med. Chem., 25, 1 (1988), Jorgensen, K.A., et al.: Scand. J. Imunol., 57, 93 (2003), Vollenbroeker, et al.: Transplant. Proc., 37, 1741 (2005),

Applications Oxytocin Acetate is the principal uterus-contracting and lactation-stimulating hormone of the posterior pituitary gland.
References Pierce, et al.: J. Biol. Chem., 199, 929 (1952), Tuppy, et al.: Biochem. Biophys. Acta, 11, 449 (1953), Cash, et al.: J. Med. Pharm. Chem., 5, 413 (1962), Nachtmann, F., et al.: Anal. Profiles Drug Subs., 10, 563 (1981),

Applications Proline based organocatalyst.
References Alberg, D., et al.: Bioorg. Med. Chem. Lett., 19, 3888 (2009), Huang, X., et al.: J. Phys. Chem., 114, 1068 (2010),

Applications Proline derivative, and an intermediate in the production of biosynthetic antibiotics.

Applications MK-677 is a potent, non-peptide ghrelin receptor agonist.
References Kirstie, A., et al.: Mol. Pharmacol., 76, 802 (2009); Birgitte, H. et al.: Mol. Pharmacol., 75, 44 (2009)

Applications N-Acetyl-L-methionine (CAS# 65-82-7) has been useful in the study of metabolic phenotypes of standard and cold-​stored platelets.
References D’Alessandro, A., et al.: Transfusion (Malden, MA, US), 60, S96 (2020)

Applications C7H13NO3S (cas# 1115-47-5) is a useful research chemical.

Applications A labelled nitrosoamino acid with oncogenic activity.
References Nagasawa, H.T., et al.: J. Med. Chem., 16, 583 (1973)

Applications Remifentanil derivative.
References James, M.K., et al.: J. Pharmacol. Exp. Ther., 259, 712 (1991), Hoffman, W.E., et al.: Anesthesiology, 79, 107 (1993), Selinger, K., et al.: J. Pharm. Biomed. Anal., 12, 243 (1994), Richardson, T.D., et al.: Expert Opin. Drug Saf., 4, 643 (2005),

Applications A nitrosoamino acid with oncogenic activity. The LD50 of a single ip dose given to Swiss-Webster mice is 203 +/- 22 mg / kg.
References Nagasawa, H.T., et al.: J. Med. Chem., 16 (5), 583-585 (1973)

Applications Cyclosporin is an immunosuppressant that has revolutionized organ transplantation through its use in the prevention of graft rejection.A group of nonpolar cyclic oligopeptides with immunosupppressant activity.
References van Wartburg, A., et al.: Prog. Med. Chem., 25, 1 (1988), Jorgensen, K.A., et al.: Scand. J. Imunol., 57, 93 (2003), Vollenbroeker, et al.: Transplant. Proc., 37, 1741 (2005),

Applications Carfilzomib (2R,4S)-Diol is a derivative of Carflizomib (C183460), a second-generation proteasome inhibitor that is used as a treatment in relapsed and refractory multiple myeloma.
References Fostier, K., et al.: Oncotargets. Therap., 5, 237 (2012); Geurink, P.P., et al.: J. Med. Chem., 56, 1262 (2013); McCormack, P.L., et al.: Drugs., 72, 2023 (2012);

Applications Labelled analogue of L-Vailne. L-Valine is an essential amino acid and one of 20 proteinogenic amino acids. L-Valine cannot be manufactured by the body and must be acquired through diet or supplementation. L-valine is found in grains, dairy products, mushrooms, meats, peanuts and soy proteins. L-Valine has been used in studies to attenuate arrhythmias and induce hypotensive effects.
References Choi, C.W. et al.: Anim. Feed Sci. Technol., 102, 15 (2002); Kolarski, D. et al.: Krmiva, 30, 155 (1988); Oba, M. et al.: J. Dairy Sci., 93, 2044 (2010); Mitrega, K. et al.: Pharmacol. Res., 64, 218 (2011);

Applications Bortezomib Trimer is derived from Bortezomib (B675700), which is the first proteasome inhibitor to be approved by the US FDA for multiple myeloma, a blood cancer. A reversible inhibitor of the 26S proteasome-a barrel-shaped multiprotein particle found in the nucleus and cytosol of all eukaryotic cells. Targets the ubiquitin-proteasome pathway.
References Nawrocki, S.T., et al: Cancer Research, 65, 11510 (2005); Drahl C.: Chem. and Eng. News, 87, 41 (2009)

Applications Isotope labelled Sacubitril is an antihypertensive drug used in combination with Valsartan (V095750). The combination drug, valsartan/sacubitril, known during trials as LCZ696 and marketed under the brand name, Entresto, is a treatment for heart failure.
References McMurray, J., et al.: N. Eng. J. Med., 371 (2014);