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99.9% Legal progestogen hormone Ethisterone Raw Steroid Powders CAS 434-03-7

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99.9% Legal progestogen hormone Ethisterone Raw Steroid Powders CAS 434-03-7

99.9% Legal progestogen hormone Ethisterone Raw Steroid Powders CAS 434-03-7
99.9% Legal progestogen hormone Ethisterone Raw Steroid Powders CAS 434-03-7 99.9% Legal progestogen hormone Ethisterone Raw Steroid Powders CAS 434-03-7 99.9% Legal progestogen hormone Ethisterone Raw Steroid Powders CAS 434-03-7 99.9% Legal progestogen hormone Ethisterone Raw Steroid Powders CAS 434-03-7

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Product Details:
Place of Origin: China
Brand Name: GSP
Certification: GMP, ISO 9001, USP, BP
Model Number: 434-03-7
Payment & Shipping Terms:
Minimum Order Quantity: Free samples Available
Price: Negotiated Price
Packaging Details: As requires
Delivery Time: Within 3 working days
Payment Terms: T/T, Western Union, MoneyGram
Detailed Product Description
MF: C21h28o2 MW: 312.45
Assays: 98% Purity: 99% MIN
Appearance: White Or Milky White Crystalline Powder MP: 263-269 °C
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Ethisterone was synthesized in 1938 by Hans Herloff Inhoffen, Willy Logemann, Walter Hohlweg, and Arthur Serini at Schering AG in Berlin. It was derived from testosterone via ethynylation at the C17α position, and it was hoped, that, analogously to estradiol and ethinylestradiol, ethisterone would be an orally active form of testosterone.However, the androgenic activity of ethisterone was attenuated and it showed considerable progestogenic activity.As such, it was developed as a progestogen instead and was marketed in Germany in 1939 as Proluton C and by Schering in the U.S. in 1945 as Pranone, among other brand names.

 

99.9% Legal progestogen hormone Ethisterone Raw Steroid Powders CAS 434-03-7


Name: Ethisterone
CAS No.: 434-03-7
Formula: C21H28O2
Molecular Weight: 312.49
EINECS: 207-096-5
Assay: >98%
Appearance: Off-white powder
 
Package: 1kg/foil bag or according to the customers requirements.
Density: 1.13 g/cm3
Melting Point: 263-269 °C(lit.)
Boiling Point: 446.4 °C at 760mmHg
Flash Point: 190.2 °C
Storage: Keep it under seal in cool and dark place


Descriptions:

 

Ethisterone (pregneninolone, 17α-ethynyltestosterone or 19-norandrostane) is a progestin. It is the 17α-ethynyl analog of testosterone, and was synthesized in 1938 by Hans Herloff Inhoffen, Willy Logemann, Walter Hohlweg, and Arthur Serini at Schering AG in Berlin and marketed in Germany in 1939 as Proluton C and by Schering in the U.S. in 1945 as Pranone. It was the first orally-active progestin.

 

Ethisterone was also marketed in the U.S. from the 1950s into the 1960s under a variety of trade names by other pharmaceutical companies that had been members of the pre-World War II European hormone cartel (Ciba, Organon, Roussel).

 

Ethisterone is a metabolite . Ethisterone is a progestogen hormone. The first orally active progestin.This compound belongs to the class of organic compounds known as androgens and derivatives. These are 3-hydroxylated C19 steroid hormones. They are known to favor the development of masculine characteristics. They also show profound effects on scalp and body hair in humans.

 

Potent progestin. Progesterone and androgen receptor antagonist.

 

Ethisterone is a progestogen that counteracts estrogenic proliferative effects on the endometrium.

 

Ethisterone is a progestogen hormone being considered to treat prostate cancer
 
Usage:

 

Synthetic progestogen; metabolite ; intermediate in the synthesis of Spironolacton.Similar to the yellow like progesterone, for the treatment of excessive menstrual bleeding, or sub-camps can also be used to prevent threatened abortion and habitual abortion. Progesterone is a progestin by the corpus luteum and the placenta secreted is more than the synthetic.

 

Applications:

 

The first orally active progestin, ethisterone (pregneninolone, 17α -ethynyltestosterone or 19-norandrostane), the 17α -ethynyl analog of testosterone, was synthesized in 1938 by Hans Herloff Inhoffen, Willy Logemann, Walter Hohlweg, and Arthur Serini at Schering AG in Berlin and marketed in Germany in 1939 as Proluton C and by Schering in the U. S. In 1945 as Pranone.

 

Ethisterone was also marketed in the U. S. From the 1950s into the 1960s under a variety of trade names by other pharmaceutical companies that had been members of the pre-World War II European hormone cartel (Ciba, Organon, Roussel).

 

Ethisterone Dosage:

 

The treatment of dysfunctional uterine bleeding: Take 1 2.5mg every 8 hours, (in case of emergency medicine 1 times every 3 hours, until the bleeding decreased obviously changed after 8 hours 1 times), and then gradually reduced, until the maintenance dose of 2.5mg 1 times daily, and even last 20 days; Also can be in the bleeding stops, daily add oral ethinyl estradiol 0.05mg or diethylstilbestrol 1mg, total 20 days.

 

Infertility: Oral Ethisterone 2.5mg and ethinylestradiol 0.05mg, 1 times a day, and even last 20 days, total of 3 cycles.

 

Dysmenorrhea, endometriosis: Begin 5-7 days after menstruation, orally 1 times daily 2.5mg, and even last 20 days.
 
Specification:

 

TEST ITEMS SPECIFICATION RESULTS
Description White or Almost White Crystalline Powder white powder
Identification A.B. Positive
Assay 97.0~102.0% 99.3%
Specific Rotation +101°~+105° +102.6°
Loss On Drying 1.0%max 0.27%
Melting Point 153~157°C 153.0~155.0°C
Organic Volatile Impurities meets the requirement. Conforms
Related Substances meets the requirement. Conforms
Residual Solvents meets the requirement. Conforms
Particle Size 100% ≤ 20 microns Conforms
Conclusion The specification conform with USP30 standard

 

99.9% Legal progestogen hormone Ethisterone Raw Steroid Powders CAS 434-03-7 0

 

Our company advantages:

 

We export 99.5% purity injectable and powder steroids to The United States, New Zealand, Australia, Germany, Norway, Switzerland and Canada, with complete variety, stable quality, fair prices, fair trade.

 

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Our factory covers an area of 33,500 square meters with the advanced technology equipment,and our monthly output is over 100kgs,so we have mass stock to satisfied your large order with prompt delivery.

 

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