Progestogen Hormone Raw Powder Ethisterone CAS 434-03-7

Basic Info.

Name:Ethisterone

CAS NO: 434-03-7

Synonym: Ethinyltestosterone,Progestoral

M.F.: C21H28O2

M.W.: 312.45

Packaging: 1kg/tin 

Appearance: White or kind of white crystalline powder

Shipping Method: EMS, FedEx.TNT, DHL and So on

Assay: 99%

Delivery: 5-7 Days 100% Safe&Timely

Grade: Pharmaceutical Ingredients

HS Code:3003101300

Shelf life:2 years

Shipping: DHL, EMS, FedEx, UPS

Trade Mark:CQSP

Reference FOB Price:$1/g

MOQ:10g

Production Capacity:5000kg/month

Delivery time: Parcel can be sent out within 24 hours after your payment, 4~7 days to arrive.

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Description:

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).

Application:

Estrogen Replacement Therapy

In recent years, estrogen replacement therapy has been criticized for its association with breast and uterine cancer, heart disease, and strokes. Hormone replacement therapy (HRT) should be used only in extreme cases and always under the supervision of a healthcare professional.

COA:

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