Anti Early Pregnancy Anabolic Steroid Hormones Female Contraception Levonorgestr
Supériorité
Zhongshan Latterson Biotechnology Co., Ltd., est une entreprise pharmaceutique complète, qui s'est spécialisé dans la technologie biopharmaceutique 7 années. L'entreprise est située dans la ville de Zhongshan, Province de Guangdong , Chine.
Notre usine couvre une superficie de 33500 mètres carrés, avec un environnement propre et une belle mise en page. Il existe plusieurs ateliers de grande ou moyenne taille et un centre d'assurance qualité et de recherche avec un équipement de pointe. Maintenant, nos principaux produits sont des séries de stéroïdes anabolisants, Série peptidique, Série d'anesthésie locale. Nos produits atteignent le niveau avancé du marché intérieur, dont beaucoup atteignent la norme internationale, les certificats contiennent: KASCHER , ISO 9001:2008 , BPF , SGS.
Product Details:
Synonymes: 13-ethyl-17-alpha-ethynyl-17-beta-hydroxy-4-gonen-3-one;13-ethyl-17-alpha-ethynylgon-4-en-17-beta-ol-3-one;13-ethyl-17-hydroxy-19-dinor-17-alpha-pregn-4-en-20-yn-3-on(+)-1;17-alpha-ethinyl-13-beta-ethyl-17-beta-hydroxy-4-estren-3-one;17-beta-hydroxy-18-methyl-19-nor-17-alpha-pregn-4-en-20-yn-3-one;17-ethynyl-18-methyl-19-nortestosteron;17-ethynyl-18-methyl-19-nortestosterone;18-methyl-17-alpha-ethynyl-19-nortestosterone
CAS: 797-63-7
Essai: 99%
Formule: C21H28O2
Masse moléculaire: 312.45
EINECS: 212-349-8
Densité: 1.13 g/cm3
Point de fusion: 206 °C
Point d'ébullition: 459.1 ° C at 760 mmHg
Point de rupture: 95.4 °C
Apparence: White or almost white crystalline powder
Application: Progesterone medicine
Espace de rangement: Stored and protected from light
Usage: Progesterone drug, used for irregular menstruation, functional uterine bleeding, endometriosis
La description:
Levonorgestrel (or l-norgestrel or D-norgestrel) is a second generation progestin (synthetic progestogen) used as an active ingredient in some hormonal contraceptives, including combined oral contraceptive pills, progestogen only pills, emergency contraceptive pills, intrauterine systems, contraceptive implants, and hormone replacement therapy. It is on the World Health Organization’s List of Essential Medicines, a list of the most important medication needed in a basic health system
Levonorgestrel is used in emergency contraceptive pills(ECPs), both in a combined Yuzpe regimenwhich includes estrogen, and as a levonorgestrel-only method. The levonorgestrel-only method uses levonorgestrel 1.5mg (as a single dose or as two 0.75mg doses 12 hours apart) taken within 3 days of unprotected sex, with one study indicating that beginning as late as 120 heures (5 jours) after intercourse could be effective. Levonorgestrel is a synthetic progestin that binds to progesterone and androgen receptors but not the estrogen receptor. Induces apoptosis in ovarian epithelium cells.
Application:
Oral contraception
At low doses, levonorgestrel is used in monophasic and triphasic formulations of combined oral contraceptive pills, with available monophasic doses ranging from 100-250 µ G, and triphasic doses of 50 µ G/75 µ G/125 µ G. At very low daily dose of 30 µ G, levonorgestrel is used in some progestogen only pill formulations.
Emergency contraception
Levonorgestrel is used in emergency contraceptive pills (ECPs), both in a combined Yuzpe regimen which includes estrogen, and as a levonorgestrel-only method. The levonorgestrel-only method uses levonorgestrel 1.5 mg (as a single dose or as two 0.75 mg doses 12 hours apart) taken within 3 days of unprotected sex, with one study indicating that beginning as late as 120 heures (5 jours) after intercourse could be effective.
Intrauterine system
Levonorgestrel is the active ingredient in the Mirena & Skyla (Jaydess) intrauterine system.
Contraceptive implants
Levonorgestrel is the active ingredient in Norplant and Jadelle.
Hormone replacement therapy
Levenorgestrel is combined with 17-beta estradiol in the Climara Pro hormonal patch.
Applied in pharmaceutical field, Levonorgestrel can be used as an active ingredient in some hormonal contraceptives, including combined oral contraceptive pills, progestogen only pills, emergency contraceptive pills, intrauterine systems and contraceptive implants; Levonorgestrel is safe, tolerated and effective in emergency contraception in woman; Levonorgestrel also can be used for the treatment of menopausal and postmenopausal disorders and alone or in combination with other hormones as an oral contraceptive.
Oral contraceptives, levonorgestrel, also known as D- norethindrone, left Kanok ketone, is currently the most widely used oral contraceptives, the racemic optically active part of norethindrone, the activity ratio norethindrone strong double dose can be reduced by half, adverse reactions are also reduced accordingly. Rapid oral absorption, 0.5 ~ 1h, reached the peak. t1 / 2 de 10 ~ 24h.Protein binding rate of 93% à 95%, bioavailability, mainly located in the liver, kidney, ovarian and uterine body’s organs and tissues, and its metabolites, mainly in the form of glucuronide and sulfate salts from the urine and feces in vitro. And ethinyl estradiol combination as a short-acting oral contraceptives. Its dual photo and three photo adverse reactions less, closer to women’s normal hormone secretion type. Women can be used for emergency contraception, namely failure (condom slippage or breakage, coitus out of control, rhythm miscalculation, etc.) in the same room of post-coital contraception measures unprotected intercourse or other contraceptive methods.
certificat d'authenticité:
| Articles |
spécification |
Résultats |
|
La description |
White or practically white crystalline powder |
Poudre cristalline blanche |
|
Rotation spécifique |
30°~-35° |
32° |
|
Melting Range |
232~239°C, and melting range is not more then 4°C |
234~238°C |
|
identification |
It complies with the test for specific optical rotation and melting point |
Conforme |
|
Infrared absorption spectrophotometry should be consistent with levonorgestrel CRS |
Conforme |
|
Perte au séchage |
0,5 % |
0.20% |
|
Résidu à l'allumage |
≤0.3% |
0.07% |
|
Limit of Ethynyl Group |
7.81%~8.18% |
7.92% |
|
Substances apparentées |
Impureté unique ≤0,5 % |
single impurity<0.5% |
|
Total Impurities ≤2.0% |
Impuretés totales<2.0% |
|
Organic Volatile impurties |
Ethanol ≤5000ppm |
1200ppm |
| Essai |
The product complies with specification in USP34 |
Dosage:
At low doses, levonorgestrel is used in monophasic and triphasic formulations of combined oral contraceptive pills, with available monophasic doses ranging from 100-250 µ G, and triphasic doses of 50 µ G/75 µ G/125 µ G. At very low daily dose of 30 µ G, levonorgestrel is used in some progestogen only pill formulations.
As the three weekly photo of reducing the product with about 40%, so the fewer adverse reactions. Levonorgestrel such as changes in dosage form can also be used a variety of long-acting contraceptives. Used as a short-acting oral contraceptives: from the first five days of menstruation to start taking the compound levonorgestrel tablets, a day, even for 22 jours, without interruption, at bedtime. So the next menstruation after serving five days to continue the medication. May have nausea, vomissement, mal de tête, breast swelling after serving, acné, weight gain, depression, lowered HDL, breakthrough bleeding, amenorrhea. Liver and kidney dysfunction, breast masses were hanged. Uterine fibroids, hypertension and liver and kidney disease history of caution. Not as a regular birth control pills, to be taken next reliable contraceptive measures premenstrual medication. Women who smoke should not take (due to complicated by cardiovascular disease).
Notre service
1.100% La politique de réexpédition est notre base commerciale. 100% de réexpédition immédiatement si votre colis reste en douane pendant 4 jours et n'est pas mis à jour.
2.Remboursement total pour 15 jours d'insatisfaction avec la qualité.
3.Nous pouvons fournir des échantillons gratuits.
4.Nous avons un emballage spécial ,Il peut être facilement passé à la douane. Il sera plus sûr.
5.Notre société coopère à long terme avec DHL.EMS.Fedex et ainsi de suite. Il peut être envoyé à votre main plus rapidement. La photo du colis doit être offerte dans les 12 heures suivant la réception de votre paiement de stéroïdes.
6.Si vous avez la chance de venir en Chine. Je peux te montrer notre labo.
7.Notre société a WU, MG, TT, et les moyens de paiement Bitcoin à l'avance. Vous pouvez payer 95% pour les peptides coûtent au début pour la commande, le reste peut nous offrir dans votre prochaine commande;
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