Cetrorelix is marketed by Merck Serono for use in in-vitro fertilization in all countries except Japan, where it is marketed by Shionogi and Nippon Kayaku. Cetrorelix or cetrorelix acetate sold under the brand name Cetrotide, is an injectable gonadotropin-releasing hormone antagonist. It is used in assisted reproduction to inhibit premature luteinizing hormone surges. Reference standards of Cetrorelix API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below
Cetrorelix
Catalogue No.:PA 56 65000
CAS :
Molecular Formula : C70H92ClN17O14
Molecular Weight : 1431.04
(R)-2-((S)-1-((2S,5S,8R,11S,14S,17R,20R,23R)-20-(4-Chlorobenzyl)-2-(3-guanidinopropyl)-11-(4-hydroxybenzyl)-14-(hydroxymethyl)-5-isobutyl-23-(naphthalen-2-ylmethyl)-4,7,10,13,16,19,22,25-octaoxo-17-(pyridin-3-ylmethyl)-8-(3-ureidopropyl)-3,6,9,12,15,18,21,24-octaazahexacosan-1-oyl)pyrrolidine-2-carboxamido)propanoic Acid
Catalogue No.:PA 56 65510
Molecular Formula : C70H91ClN16O15
Molecular Weight : 1432.02
4-D-Ser Cetrorelix
Catalogue No.:PA 56 0651000
Molecular Weight : 1431.06
L-Ala Cetrorelix
Catalogue No.:PA 56 0651001
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