Čínsky výrobca prášku anabolických steroidov
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Antiestrogénové steroidy

» Surové steroidy » Antiestrogénové steroidy

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  • COA

Synonymá: FC 1157a; Fareston; NK 622; NSC 613680
CAS: 89778-27-8
Vzhľad: Biely alebo takmer biely prášok
Molekulárny vzorec: C26H28ClNO·C6H8O7
Molekulová hmotnosť: 598.09
Bod topenia: 158-164 C
Bod varu: 535.1 ºC at 760 mmHg
Hustota: 1.045g/cm3
Index lomu: 1,416-1,418

Fareston will display both estrogen antagonist / agonist properties in the body. This puts Fareston in the same category as Nolvadex and Clomid, the two most popular drugs in Farestons category. FARESTON is an estrogen agonist/antagonist indicated for the treatment of metastatic breast cancer in postmenopausal women with estrogen-receptor positive or unknown tumors.

Toremifene administration for a period of 3 months in men with idiopathic oligozoospermia is associated with significant improvements of sperm count, motility, and morphology, mediated by increased gonadotropin secretion and possibly a direct beneficial effect of toremifene on the testes. The above findings are also indicative of a better testicular exocrine (improved sperm parameters) response to treatment in men whose partners achieved pregnancy compared with those who did not. Further randomized, placebo-controlled trials should be conducted to determine whether this particular selective estrogen receptor modulator can be useful as an initial approach in men with oligozoospermia.

Toremifene Citrate improved lipid profiles, particularly as an enhancer of high density lipoprotein cholesterol. it improved low density lipoprotein cholesterol levels.Both fareston and tamoxifen selective estrogen receptor modulators and equivalent treatments for metastatic breast cancer.No significant differences were found between treatment with either tamoxifen or fareston Treatment of HR-positive patients with either tamoxifen or toremifene is appropriate.In treating idiopathic oligozoospermia, tamoxifen and fareston are roughly equally effective but raloxifene is not.The antiestrogenic effects of SERMs at the hypothalamic level result in a statistically significant increase of gonadotropin levels, which is more marked for tamoxifen and fareston compared with raloxifene

Items of analysis Špecifikácia Výsledky
Popis White or like white crystalline powder Biely kryštalický prášok
Rozpustnosť Freely soluble in pyridine and acetic acid(100), sparingly soluble in methanol, slightly soluble in ethanol, very slightly soluble in water, and practically insoluble in diethyl ether Freely soluble in pyridine and acetic acid(100), sparingly soluble in methanol, slightly soluble in ethanol, very slightly soluble in water, and practically insoluble in diethyl ether
Bod topenia 159~163℃ 160.5~161.0℃
Identifikácia Must comply Vyhovuje
E-isomer ≤ 0,5 % 0%
Total relative substances ≤ 1,0 % 0.1%
Ťažké kovy ≤ 10 ppm <10ppm
Strata sušením ≤ 1,0 % 0.2%
Toluene ≤0.089% 0
Etanol ≤ 0,5 % 0%
Acetone ≤ 0,5 % 0.2%
Tetrahydrofuran ≤0.072% 0.0001%
Chlorobenzen ≤0.036% 0
Benzene ≤0.0002% 0
Zvyšky po zapálení ≤ 0,1 % 0.04%
Skúška ≥98.5% 99.7%
Záver Qualified

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