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Key Documents

L0399

Sigma-Aldrich

Leuprolide acetate salt

≥98% (HPLC)

Synonym(s):

des-Gly10-[D-Leu6]-LH-RH ethylamide, Leuprorelin

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About This Item

Empirical Formula (Hill Notation):
C59H84N16O12 · xC2H4O2
CAS Number:
74381-53-6
Molecular Weight:
1209.40 (free base basis)
MDL number:
MFCD00167544
UNSPSC Code:
12352200
PubChem Substance ID:
24896252
NACRES:
NA.32

Quality Level

200

Assay

≥98% (HPLC)

storage temp.

−20°C

SMILES string

CCNC(=O)[C@@H]1CCCN1C(=O)[C@H](CCCNC(N)=N)NC(=O)[C@H](CC(C)C)NC(=O)[C@@H](CC(C)C)NC(=O)[C@H](Cc2ccc(O)cc2)NC(=O)[C@H](CO)NC(=O)[C@H](Cc3c[nH]c4ccccc34)NC(=O)[C@H](Cc5c[nH]cn5)NC(=O)[C@@H]6CCC(=O)N6

InChI

1S/C59H84N16O12/c1-6-63-57(86)48-14-10-22-75(48)58(87)41(13-9-21-64-59(60)61)68-51(80)42(23-32(2)3)69-52(81)43(24-33(4)5)70-53(82)44(25-34-15-17-37(77)18-16-34)71-56(85)47(30-76)74-54(83)45(26-35-28-65-39-12-8-7-11-38(35)39)72-55(84)46(27-36-29-62-31-66-36)73-50(79)40-19-20-49(78)67-40/h7-8,11-12,15-18,28-29,31-33,40-48,65,76-77H,6,9-10,13-14,19-27,30H2,1-5H3,(H,62,66)(H,63,86)(H,67,78)(H,68,80)(H,69,81)(H,70,82)(H,71,85)(H,72,84)(H,73,79)(H,74,83)(H4,60,61,64)/t40-,41-,42-,43+,44-,45-,46-,47-,48-/m0/s1

InChI key

GFIJNRVAKGFPGQ-LIJARHBVSA-N

Gene Information

human ... GNRHR(2798)
rat ... Gnrhr(81668)

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Amino Acid Sequence

Glp-His-Trp-Ser-Tyr-Leu-Leu-Arg-Pro-NHEt

Application

In mice, leuprolide acetate salt has been used to check the need of estrogen receptor α in spermatogenic cells, for development or function in fertilization.

Biochem/physiol Actions

Glp-His-Trp-Ser-Tyr-Leu-Leu-Arg-Pro-NHEt (des-Gly10-[D-Leu6]-LH-RH) is a GnRH (gonadotropin-releasing hormone) agonist, leuprolide. GnRH (Glp-His-Trp-Ser-Tyr-Gly-Leu-Arg-Pro-Gly-NH2), which is also referred as LHRH (luteinizing hormone-releasing hormone) or gonadorelin, is crucial for mammalian reproduction and is released from hypothalamic neurons. It is responsible for the secretion of gonadotropins, luteinizing hormone (LH) and follicle-stimulating hormone (FSH), from the pituitary glands. Mutations in GnRH are associated with normosmic congenital hypogonadotropic hypogonadism. Low concentration of leuprolide can be used for the treatment of endometriosis, uterine fibroids, central precocious puberty and advanced prostate cancer.

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Syed Nuruddin et al.
PloS one, 9(8), e103607-e103607 (2014-08-05)
Research on Alzheimer's disease (AD) has indicated an association between hormones of the hypothalamic-pituitary-gonadal (HPG) axis and cognitive senescence, indicating that post meno-/andropausal changes in HPG axis hormones are implicated in the neuropathology of AD. Studies of transgenic mice with
Daniela Jakubowicz et al.
Clinical science (London, England : 1979), 125(9), 423-432 (2013-05-22)
In women with PCOS (polycystic ovary syndrome), hyperinsulinaemia stimulates ovarian cytochrome P450c17α activity that, in turn, stimulates ovarian androgen production. Our objective was to compare whether timed caloric intake differentially influences insulin resistance and hyperandrogenism in lean PCOS women. A
Tim M van der Sluis et al.
Urology, 81(5), 1005-1009 (2013-03-08)
To evaluate the relationship between the body mass index (BMI) and serum testosterone concentrations in men receiving luteinizing hormone-releasing hormone (LHRH) agonist therapy for prostate cancer. A total of 66 white men were included in the present study. All subjects
R Sharifi et al.
The Journal of urology, 143(1), 68-71 (1990-01-01)
In a phase III, open, multicenter study we evaluated the safety and efficacy of the depot formulation of leuprolide (7.5 mg. injected intramuscularly every 4 weeks) in patients with stage D2 prostate cancer who had not previously received systemic treatment.
Gina Lama et al.
PloS one, 8(1), e52530-e52530 (2013-01-18)
High cell-surface GnRH receptor (GnRH-R) levels have been shown to have a major influence on the extent of GnRH agonist-mediated tumor growth inhibition. The ability of the GnRH agonist leuprorelin acetate (LA) to induce a post-transcriptional upregulation of GnRH-R at
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