Cetrorelix acetate|CAS 145672-81-7|DC Chemicals

Cas No.:	145672-81-7
Chemical Name:	(S)-1-(((R)-2-((S)-2-((S)-2-((R)-2-((R)-2-((R)-2-acetamido-3-(naphthalen-2-yl)propanamido)-3-(4-chlorophenyl)propanamido)-3-(pyridin-3-yl)propanamido)-3-hydroxypropanamido)-3-(4-hydroxyphenyl)propanamido)-5-ureidopentanoyl)-L-leucyl-L-arginyl)-N-((R)-1-amino-1-oxopropan-2-yl)pyrrolidine-2-carboxamide acetate
Synonyms:	Cetrorelix acetate; Cetrorelix; Cetrotide; D 20761; D-20761; D20761; NS-75A; NS 75A; SB-075 acetate;
SMILES:	C[C@H](C(N)=O)NC([C@H]1N(C([C@H](CCCNC(N)=N)NC([C@H](CC(C)C)NC([C@@H](CCCNC(N)=O)NC([C@H](CC2=CC=C(O)C=C2)NC([C@H](CO)NC([C@@H](CC3=CC=CN=C3)NC([C@@H](CC4=CC=C(Cl)C=C4)NC([C@@H](CC5=CC=C6C=CC=CC6=C5)NC(C)=O)=O)=O)=O)=O)=O)=O)=O)=O)CCC1)=O.CC(O)=O
Formula:	C₇₂H₉₆ClN₁₇O₁₆
M.Wt:	1491.11
Purity:	>98%
Sotrage:	2 years -20°C Powder, 2 weeks 4°C in DMSO, 6 months -80°C in DMSO

Description:	Cetrorelix Acetate is a potent gonadotropin-releasing hormone (GnRH) receptor antagonist with an IC50 of 1.21 nM. Sequence: N-acetyl-{2-Naph-Ala}-{Cl-Phe}-{3Py-Ala}-Ser-Tyr-{Cit}-Leu-Arg-Pro-Ala-NH2.
Target:	IC50: 1.21 nM GnRH[1].
In Vitro:	Cetrorelix Acetate inhibits growth of ES-2 cell line at 1000 ng/ml. Cetrorelix Acetate has comparable antiproliferative effects as GnRH-I agonists indicating that the dichotomy of GnRH-I agonists and antagonists might not apply to the GnRH-I system in cancer cells[2].
References:	[1]. Beckers T et al. Characterization of gonadotropin-releasing hormone analogs based on a sensitive cellular luciferase reporter gene assay. Anal Biochem. 1997 Aug 15;251(1):17-23. [2]. Gründker C et al. Role of gonadotropin-releasing hormone (GnRH) in ovarian cancer. Reprod Biol Endocrinol. 2003 Oct 7;1:65.

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