Cetrorelix acetate

Cetrorelix Acetate is a synthetic GnRH antagonist that immediately suppresses LH and FSH without an initial flare, used to prevent premature ovulation during controlled ovarian stimulation in assisted reproduction. Simson Pharma's Cetrorelix Acetate reference standard and impurities support QC for this injectable reproductive-medicine peptide.

Simson Pharma Global Ltd. (UK) and Simson Pharma Global LLC (USA) supply high-quality Cetrorelix acetate Reference Standards, pharmacopoeial reference materials, and its related impurities to pharmaceutical manufacturers, CROs, analytical laboratories, universities, and regulatory organizations worldwide. To service the Europe and America market efficiently, Simson Pharma Limited has set up Simson Pharma Global Ltd. in United Kingdom and Simson Pharma Global LLC in USA respectively.

Pharmaceutical Reference Standards / Impurity Standards

Cetrorelix Acetate
Cetrorelix Acetate
  • CAT. No.C1520000
  • CAS. No.145672-81-7
  • Mol. F.C70H92ClN17O14.C2H4O2
  • Mol. W.1491.09 g/mol
  • Stock Status:Instock
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[D-Arg8]-Cetrorelix
[D-Arg8]-Cetrorelix
  • CAT. No.C1520002
  • CAS. No.NA
  • Mol. F.C70H92ClN17O14
  • Mol. W.1431.04 g/mol
  • Stock Status:Custom Synthesis
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[D-Pro9]-Cetrorelix
[D-Pro9]-Cetrorelix
  • CAT. No.C1520003
  • CAS. No.NA
  • Mol. F.C70H92ClN17O14
  • Mol. W.1431.04 g/mol
  • Stock Status:Custom Synthesis
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[D-Orn6]-Cetrorelix
[D-Orn6]-Cetrorelix
  • CAT. No.C1520004
  • CAS. No.NA
  • Mol. F.C69H91ClN16O13
  • Mol. W.1388.01 g/mol
  • Stock Status:Custom Synthesis
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[1-7]-Cetrorelix
[1-7]-Cetrorelix
  • CAT. No.C1520006
  • CAS. No.3026917-81-4
  • Mol. F.C56H67ClN10O12
  • Mol. W.1107.64 g/mol
  • Stock Status:Custom Synthesis
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[D-Ser4]-Cetrorelix
[D-Ser4]-Cetrorelix
  • CAT. No.C1520009
  • CAS. No.NA
  • Mol. F.C70H92ClN17O14
  • Mol. W.1431.04 g/mol
  • Stock Status:Custom Synthesis
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Cetrorelix Acid
Cetrorelix Acid
  • CAT. No.C1520010
  • CAS. No.NA
  • Mol. F.C70H91ClN16O15
  • Mol. W.1432.02 g/mol
  • Stock Status:Under Synthesis
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Endo-Cit-Cetrorelix
Endo-Cit-Cetrorelix
  • CAT. No.C1520011
  • CAS. No.NA
  • Mol. F.C76H103ClN20O16
  • Mol. W.1588.21 g/mol
  • Stock Status:Custom Synthesis
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Ganirelix 1-4 peptide
Ganirelix 1-4 peptide
  • CAT. No.C1520012
  • CAS. No.208599-57-9
  • Mol. F.C35H36ClN5O7
  • Mol. W.674.14 g/mol
  • Stock Status:Custom Synthesis
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Des-Acetyl -Cetrorelix
Des-Acetyl -Cetrorelix
  • CAT. No.C1520013
  • CAS. No.121081-09-2
  • Mol. F.C68H90ClN17O13
  • Mol. W.1389.00 g/mol
  • Stock Status:Custom Synthesis
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Acetyl-Ser4-Cetrorelix
Acetyl-Ser4-Cetrorelix
  • CAT. No.C1520014
  • CAS. No.NA
  • Mol. F.C72H94ClN17O15
  • Mol. W.1473.07 g/mol
  • Stock Status:Custom Synthesis
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L-Cit-Cetrorelix
L-Cit-Cetrorelix
  • CAT. No.C1520015
  • CAS. No.335158-68-4
  • Mol. F.C70H92ClN17O14
  • Mol. W.1431.04 g/mol
  • Stock Status:Custom Synthesis
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L-Pal Cetrorelix
L-Pal Cetrorelix
  • CAT. No.C1520016
  • CAS. No.NA
  • Mol. F.C70H92ClN17O14
  • Mol. W.1431.04 g/mol
  • Stock Status:Custom Synthesis
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pCl-L-Phe Cetrorelix
pCl-L-Phe Cetrorelix
  • CAT. No.C1520017
  • CAS. No.NA
  • Mol. F.C70H92ClN17O14
  • Mol. W.1431.04 g/mol
  • Stock Status:Custom Synthesis
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AC-L-Nal Cetrorelix
AC-L-Nal Cetrorelix
  • CAT. No.C1520018
  • CAS. No.NA
  • Mol. F.C70H92ClN17O14
  • Mol. W.1431.04 g/mol
  • Stock Status:Custom Synthesis
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4-D-Ser Cetrorelix
4-D-Ser Cetrorelix
  • CAT. No.C1520019
  • CAS. No.NA
  • Mol. F.C70H92ClN17O14
  • Mol. W.1431.04 g/mol
  • Stock Status:Instock
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Endo(3)-D-Pal-Cetrorelix
Endo(3)-D-Pal-Cetrorelix
  • CAT. No.C1520020
  • CAS. No.NA
  • Mol. F.C78H100ClN19O15
  • Mol. W.1579.20 g/mol
  • Stock Status:Instock
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L-Ala Cetrorelix
L-Ala Cetrorelix
  • CAT. No.C1520021
  • CAS. No.NA
  • Mol. F.C70H92ClN17O14
  • Mol. W.1431.06 g/mol
  • Stock Status:Instock
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L-Ala Cetrorelix trifluoroacetate
L-Ala Cetrorelix trifluoroacetate
  • CAT. No.C1520022
  • CAS. No.NA
  • Mol. F.C72H93ClF3N17O16
  • Mol. W.1545.06 g/mol
  • Stock Status:Custom Synthesis
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D-Arg Isomeric Trifluoroacetate
D-Arg Isomeric Trifluoroacetate
  • CAT. No.C1520023
  • CAS. No.NA
  • Mol. F.C72H93ClF3N17O16
  • Mol. W.1545.06 g/mol
  • Stock Status:Custom Synthesis
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Cetrorelix Des Amide Impurity
Cetrorelix Des Amide Impurity
  • CAT. No.C1520024
  • CAS. No.NA
  • Mol. F.C72H92ClF3N16O17
  • Mol. W.1546.05 g/mol
  • Stock Status:Limited Stock
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Cetrorelix D-Por Isomeric Impurity
Cetrorelix D-Por Isomeric Impurity
  • CAT. No.C1520025
  • CAS. No.NA
  • Mol. F.C70H92ClN17O14
  • Mol. W.1431.10 g/mol
  • Stock Status:Custom Synthesis
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L-Pal Cetrorelix Trifluoroacetate
L-Pal Cetrorelix Trifluoroacetate
  • CAT. No.C1520026
  • CAS. No.NA
  • Mol. F.C73H94ClF3N16O16
  • Mol. W.1544.07 g/mol
  • Stock Status:Custom Synthesis
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L-Cit-Cetrorelix Trifluoroacetate
L-Cit-Cetrorelix Trifluoroacetate
  • CAT. No.C1520027
  • CAS. No.NA
  • Mol. F.C72H93ClF3N17O16
  • Mol. W.1545.06 g/mol
  • Stock Status:Custom Synthesis
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Cetrorelix acetate L-Phe(4-CI)-Isomeric Impurity
Cetrorelix acetate L-Phe(4-CI)-Isomeric Impurity
  • CAT. No.C1520028
  • CAS. No.NA
  • Mol. F.NA
  • Mol. W.NA
  • Stock Status:Custom Synthesis
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8-(4-chlorobenzyl)-2-(hydroxymethyl)-11-(naphthalen-2-ylmethyl)-4,7,10,13-tetraoxo-5-(pyridin-3-ylmethyl)-3,6,9,12-tetraazatetradecan-1-oic acid
8-(4-chlorobenzyl)-2-(hydroxymethyl)-11-(naphthalen-2-ylmethyl)-4,7,10,13-tetraoxo-5-(pyridin-3-ylmethyl)-3,6,9,12-tetraazatetradecan-1-oic acid
  • CAT. No.C1520029
  • CAS. No.NA
  • Mol. F.C35H36ClN5O7
  • Mol. W.674.14 g/mol
  • Stock Status:Custom Synthesis
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Ser4(tBu)Cetrorelix
Ser4(tBu)Cetrorelix
  • CAT. No.C1520030
  • CAS. No.NA
  • Mol. F.C74H100ClN17O14
  • Mol. W.1487.14 g/mol
  • Stock Status:Custom Synthesis
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D-Cit6(Ac)Cetrorelix
D-Cit6(Ac)Cetrorelix
  • CAT. No.C1520031
  • CAS. No.NA
  • Mol. F.C72H94ClN17O15
  • Mol. W.1473.07 g/mol
  • Stock Status:Custom Synthesis
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Endo(3)-D-Pal-Cetrorelix
Endo(3)-D-Pal-Cetrorelix
  • CAT. No.C1520032
  • CAS. No.NA
  • Mol. F.C78H100ClN19O15.C2HF3O2
  • Mol. W.1693.22 g/mol
  • Stock Status:Custom Synthesis
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Des AC-L-Nal Cetrorelix
Des AC-L-Nal Cetrorelix
  • CAT. No.C1520034
  • CAS. No.NA
  • Mol. F.C68H90ClN17O13 .C2HF3O2
  • Mol. W.1503.00 g/mol
  • Stock Status:Custom Synthesis
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Cetrorelix Acetate
Cetrorelix Acetate
  • CAT. No.C1520035
  • CAS. No.1631741-31-5
  • Mol. F.C70H92ClN17O14.C2H4O2
  • Mol. W.1491.09 g/mol
  • Stock Status:Custom Synthesis
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Deacetylated cetrorelix
Deacetylated cetrorelix
  • CAT. No.C1520036
  • CAS. No.NA
  • Mol. F.NA
  • Mol. W.NA
  • Stock Status:Custom Synthesis
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Ser4 (Ac)-Cetrorelix
Ser4 (Ac)-Cetrorelix
  • CAT. No.C1520037
  • CAS. No.NA
  • Mol. F.NA
  • Mol. W.NA
  • Stock Status:Custom Synthesis
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Fragment-[1-7]-Cetrorelix
Fragment-[1-7]-Cetrorelix
  • CAT. No.C1520038
  • CAS. No.NA
  • Mol. F.C55H67ClN10O10
  • Mol. W.1062.47 g/mol
  • Stock Status:Custom Synthesis
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Deamination Cetrorelix
Deamination Cetrorelix
  • CAT. No.C1520039
  • CAS. No.NA
  • Mol. F.NA
  • Mol. W.NA
  • Stock Status:Custom Synthesis
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Cpa2-Cetrorelix
Cpa2-Cetrorelix
  • CAT. No.C1520040
  • CAS. No.NA
  • Mol. F.NA
  • Mol. W.NA
  • Stock Status:Custom Synthesis
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Cetrorelix Acid Trifluoroacetate
Cetrorelix Acid Trifluoroacetate
  • CAT. No.C1520041
  • CAS. No.NA
  • Mol. F.C70H92ClN17O14.XC2HF3O2
  • Mol. W.NA
  • Stock Status:Custom Synthesis
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4-D-Ser Cetrorelix Trifluoroacetate
4-D-Ser Cetrorelix Trifluoroacetate
  • CAT. No.C1520042
  • CAS. No.NA
  • Mol. F.C70H92ClN17O14.C2HF3O2
  • Mol. W.1545.06 g/mol
  • Stock Status:Custom Synthesis
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Cetrorelix
Cetrorelix
  • CAT. No.C1520043
  • CAS. No.120287-85-6
  • Mol. F.C70H92ClN17O14
  • Mol. W.1431.04 g/mol
  • Stock Status:Custom Synthesis
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Ac-Ser(O-modified)-Cetrorelix
Ac-Ser(O-modified)-Cetrorelix
  • CAT. No.C1520044
  • CAS. No.NA
  • Mol. F.C72H94ClN17O15
  • Mol. W.1473.10 g/mol
  • Stock Status:Custom Synthesis
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Endo-D-Cit-Cetrorelix
Endo-D-Cit-Cetrorelix
  • CAT. No.C1520045
  • CAS. No.NA
  • Mol. F.C76H103ClN20O16
  • Mol. W.1588.21 g/mol
  • Stock Status:Custom Synthesis
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Endo-D-Cit-Cetrorelix Trifluoroacetate
Endo-D-Cit-Cetrorelix Trifluoroacetate
  • CAT. No.C1520046
  • CAS. No.NA
  • Mol. F.C76H103ClN20O16.C2HF3O2
  • Mol. W.1702.23 g/mol
  • Stock Status:Limited Stock
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Ac-Ser(O-modified)-Cetrorelix
Ac-Ser(O-modified)-Cetrorelix
  • CAT. No.C1520047
  • CAS. No.NA
  • Mol. F.C72H94ClN17O15
  • Mol. W.1473.07 g/mol
  • Stock Status:Custom Synthesis
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(D-Orn6)-Cetrorelix Trifluoroacetate
(D-Orn6)-Cetrorelix Trifluoroacetate
  • CAT. No.C1520049
  • CAS. No.NA
  • Mol. F.C69H91ClN16O13.C2F3O2
  • Mol. W.1501.03 g/mol
  • Stock Status:Custom Synthesis
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(D-Arg8)-Cetrorelix Trifluoroacetate
(D-Arg8)-Cetrorelix Trifluoroacetate
  • CAT. No.C1520050
  • CAS. No.NA
  • Mol. F.C70H92ClN17O14.C2F3O2
  • Mol. W.1544.05 g/mol
  • Stock Status:Custom Synthesis
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Isotope Labelled Compounds

Cetrorelix-D10 Trifluoroacetic Acid Salt
Cetrorelix-D10 Trifluoroacetic Acid Salt
  • CAT. No.C1520001
  • CAS. No.NA
  • Mol. F.C70H82D10ClN17O14 . x CF3COOH
  • Mol. W.NA
  • Stock Status:Under Synthesis
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