99% Purity Hormone Raw Materials Diethylstilbestrol 56-53-1 CAS NO.56-53-1

FOB Price:: USD 100.00-100.00 /Gram Get Latest Price

Min.Order Quantity:: 10 Gram

Purity:: 99.00%

Port:: Shanghai

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Quick Details

ProName: 99% Purity Hormone Raw Materials Dieth...
CasNo: 56-53-1
Molecular Formula: C18H20O2
Appearance: powder
Application: in research
DeliveryTime: within 3-5 days after receiving the pa...
PackAge: Aluminum foil bag/as requirements
Port: Shanghai
ProductionCapacity: 800 Kilogram/Month
Purity: 99.00%
Storage: store in a cool dry place and keep awa...
Transportation: by air or by sea
LimitNum: 10 Gram
Purity: 99+%

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Details

product name: diethylstilbestrol
cas: 56-53-1
mf: c18h20o2
mw: 268.35
einecs: 200-278-5
chemical properties white solid
usage a synthetic, nonsteroidal estrogen. recomended solvents are dmso, dmf and ethanol, even in these solvents do not store in solution for any prolonged period of time.
general description odorless tasteless white crystalline powder.
air & water reactions insoluble in water.
reactivity profile diethylstilbestrol is incompatible with strong oxidizing agents, strong bases, acid chlorides and acid anhydrides .
fire hazard flash point data for diethylstilbestrol are not available; however, diethylstilbestrol is probably combustible.

diethylstilbestrol description:
diethylstilbestrol (des, former ban stilboestrol) is a synthetic nonsteroidal estrogen that was first synthesized in 1938. it is also classified as an endocrine disruptor. human exposure to des occurred through diverse sources, such as dietary ingestion from supplemented cattle feed and medical treatment for certain conditions, including breast and prostate cancers.
from about 1940 to 1971, des was given to pregnant women in the mistaken belief it would reduce the risk of pregnancy complications and losses.
in 1971, des was shown to cause a rare vaginal tumor in girls and women who had been exposed to this drug in utero. the united states food and drug administration subsequently withdrew des from use in pregnant women. follow-up studies have indicated that des also has the potential to cause a variety of significant adverse medical complications during the lifetimes of those exposed.
the united states national cancer institute recommends women born to mothers who took des undergo special medical exams on a regular basis to screen for complications as a result of the drug. individuals who were exposed to des during their mothers' pregnancies are commonly referred to as "des daughters" and "des sons".

diethylstilbestrol specification:

test items	specification	test results
properties	a white or almost crystal powders	almost white crystal powders
identification	positive	complies
acid basicity	neutrality is reacted	complies
content	≥98%	99.29%
melting point	169~172ºc	170~172ºc
related substance	≤0.5%	complies
loss on drying	≤0.5%	0.2%
organic volatile impurities	complies	complies
sulphated ash	≤0.1%	0.02%