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Triptorelin Acetate

Triptorelin Acetate

Publish Time: 2017-03-27

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Industry: Chemicals»Organic Intermediate

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Product Details

Product Name Triptorelin Acetate


Sequence Glp-His-Trp-Ser-Tyr-D-Trp-Leu-Arg-Pro-Gly-NH2


Cas No. 57773-63-4


Molecular Formula C64H82N18O13


Molecular Weight 1311.46


Purity (HPLC) 98.0% min.


Appearance? White powder


Single Impurity (HPLC)? 1.0%max


Amino Acid Composition? ±10% of theoretical


Peptide Content (N%) ?≥80.0%


Water Content(Karl Fischer)? ≤6.0%


Acetate Content (HPIC) ≤15.0%


MS(ESI) Consistent


Mass Balance? 95.0~105.0%


Specific Rotation (20/D)? -65.0~-75.0°(c=0.5 1%HAc)






Triptorelin (GnRH)



Triptorelin, a decapeptide (pGlu-His-Trp-Ser-Tyr-D-Trp-Leu-Arg-Pro-Gly-NH2), is a gonadotropin-releasing hormone agonist (GnRH agonist) used as the acetate or pamoate salts. Triptorelin raises testosterone levels by causing constant stimulation of the pituitary, it decreases pituitary secretion of gonadotropins luteinizing hormone (LH) and follicle stimulating hormone (FSH). Like other GnRH agonists, triptorelin may be used in the treatment of hormone-responsive cancers such as prostate cancer or breast cancer, precocious puberty, estrogen-dependent conditions (such as endometriosis or uterine fibroids), and in assisted reproduction. Triptorelin is marketed under the brand names Decapeptyl (Ipsen) and Diphereline and Gonapeptyl . In the United States, it is sold by Watson as Trelstar.In Iran Triptorelin is marketed under the brand name Variopeptyl (Varian Darou Pajooh). In India, Dr. Reddy's Laboratories has launched recently Triptorelin under the brand name "Pamorelin LA". During the treatment of prostate cancer it does cause a surge of testosterone (an initial uplevel of testosterone levels), known as a flare effect. In men a reduction of serum testosterone levels into the range normally seen after surgical castration occurs approximately two to four weeks after initiation of therapy.



Triptorelin raises testosterone levels by causing constant stimulation of the pituitary, it decreases pituitary secretion of gonadotropins luteinizing hormone (LH) and follicle stimulating hormone (FSH). Like other GnRH agonists, triptorelin may be used in the treatment of hormone-responsive cancers such as prostate cancer or breast cancer, precocious puberty, estrogen-dependent conditions (such as endometriosis or uterine fibroids), and in assisted reproduction.

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