Peptides et Protéines

Applications Teduglutide TFA Salt is a polypeptide consisting of 33 amino acids. It 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)

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 5-9-Leuprolide is a metabolite of Leuprolide (L330590), a gonadotropin-releasing hormone (GnRH) analogue acting as an agonist at pituitary GnRH receptors.
References Handelsman, David J., et al.: J. of Steroid Biochem. and Mol. Bio., 141, 113-120 (2014);Okada, Hiroaki, et al.: Pharma. Res., 8(6), 787-91 (1991)

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 Vasopressin Acetic Acid Salt is an acidic salt of Vasopressin (V991530), an antidiurectic hormone.
References Tokushige, S., et al.: Internal Medicine, 55, 1199 (2016)

Applications An obstetric drug used to control postpartum hemorrhaging.
References Sanz-Nebot, V., et al.: Anal. Bioanal. Chem., 377, 306 (2003), Gimpl, G., et al.: Eur. J. Pharmacol., 510, 9 (2005), Handler, J., et al.: Theriogenol., 66, 1397 (2006), Klenerova, V., et al.: J. Physiol. Pharmacol., 60, 57 (2009),

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

Applications 3,3’,5-Triiodo-L-thyronine 4’-O-Sulfate is the sulfoconjugated metabolite of 3,3’,5-Triiodo-L-thyronine (T795380).
References Rooda, S.J. et al.: J. Clin. Endocrinol. Metab., 69, 552 (1989); Everts, M. E. et al.: Metab. Clin. Exp., 43, 1282 (1994); Pinna, G. et al.: Endocrinology, 143, 1789 (2002);

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),

Applications (2R,4S)-4-Amino-5-(biphenyl-4-yl)-2-methylpentanoic Acid Ethyl Ester Hydrochloride is used as a reagent in the synthesis of LCZ696, an angiotensin II receptor and neprilysin receptor dual inhibitor. (2R,4S)-4-Amino-5-(biphenyl-4-yl)-2-methylpentanoic Acid Ethyl Ester Hydrochloride is also used as a reagent in the preparation of novel NEP inhibitor prodrugs for the treatment of hypertension and cardiovascular diseases.
References Liu, M., et al.: Faming Zhuanli Shenqing. CN 105168205 A 20151223. Dec 23, 2015; Wang, Z.: PCT Int. Appl. WO 2015154673 A1 20151015. Oct 15, 2015

Impurity Levothyroxine EP Impurity H; T4-Benzoic Acid (USP)
Applications 3,3',5,5'-Tetraiodo Thyroformic Acid (Levothyroxine EP Impurity H; T4-Benzoic Acid (USP)) is a thyroid hormone analogue and a potent Thyroxine impurity.
References Horst, C., et al.: Biochem. J., 261, 945 (1989), Kvetny, J., et al.: Horm. Metab. Res., 24, 322 (1992), Yamauchi, K., et al.: J. Biol. Chem., 274, 8460 (1999), Davis, P., et al.: J. Endocrinol. Invest., 25, 377 (2002),