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ChemicalBook >> CAS DataBase List >> Diethylstilbestrol

Diethylstilbestrol

Diethylstilbestrol price.
  • $10 - $3326.4
  • Product name: Diethylstilbestrol
  • CAS: 56-53-1
  • MF: C18H20O2
  • MW: 268.35
  • EINECS:200-278-5
  • MDL Number:MFCD00002373
  • Synonyms:neo-oestranol1 ;neo-oestranoli ;New-Estranol 1;NSC-3070;OeKolp;Oestrol vetag;oestrolvetag ;Oestromenin
Price101 Properties Safety Information Description
101 prices
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  • aablocks
  • AHH
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  • American Custom Chemicals Corporation
  • ApexBio Technology
  • Arctom
  • Aronis compounds
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  • Biorbyt Ltd
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  • 48Tests
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  • 400μL
  • Manufactureraablocks
  • Product numberAA00I9X0
  • Product description(E)-4,4'-(1,2-Diethyl-1,2-ethenediyl)bisphenol 98%
  • Packaging250mg
  • Price$10
  • Updated2026-05-29
  • Buy
  • Manufactureraablocks
  • Product numberAA00I9X0
  • Product description(E)-4,4'-(1,2-Diethyl-1,2-ethenediyl)bisphenol ≥90%
  • Packaging1g
  • Price$13
  • Updated2026-05-29
  • Buy
  • Manufactureraablocks
  • Product numberAA00I9X0
  • Product description(E)-4,4'-(1,2-Diethyl-1,2-ethenediyl)bisphenol 98%
  • Packaging5g
  • Price$33
  • Updated2026-05-29
  • Buy
  • Manufactureraablocks
  • Product numberAA00I9X0
  • Product description(E)-4,4'-(1,2-Diethyl-1,2-ethenediyl)bisphenol 98%
  • Packaging25g
  • Price$126
  • Updated2026-05-29
  • Buy
  • Manufactureraablocks
  • Product numberAA00I9X0
  • Product description(E)-4,4'-(1,2-Diethyl-1,2-ethenediyl)bisphenol 95%
  • Packaging100g
  • Price$407
  • Updated2026-05-29
  • Buy
  • ManufacturerAHH
  • Product numberMT-50130
  • Product descriptionDiethylstilbestrol 97%
  • Packaging500g
  • Price$730
  • Updated2026-05-26
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  • ManufacturerAK Scientific
  • Product numberJ11572
  • Product descriptionDiethylstilbestrol
  • Packaging1g
  • Price$98
  • Updated2021-12-16
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  • ManufacturerAK Scientific
  • Product numberJ52002
  • Product descriptionDiethylstilbestrol
  • Packaging10g
  • Price$137
  • Updated2021-12-16
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  • ManufacturerAK Scientific
  • Product numberJ52002
  • Product descriptionDiethylstilbestrol
  • Packaging1g
  • Price$21
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ11572
  • Product descriptionDiethylstilbestrol
  • Packaging100mg
  • Price$49
  • Updated2021-12-16
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  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberAPI0002346
  • Product descriptionDIETHYL STILBESTROL 95.00%
  • Packaging10G
  • Price$1166.55
  • Updated2021-12-16
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  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberAPI0002346
  • Product descriptionDIETHYL STILBESTROL 95.00%
  • Packaging100G
  • Price$3326.4
  • Updated2021-12-16
  • Buy
  • ManufacturerApexBio Technology
  • Product numberB2088
  • Product descriptionDiethylstilbestrol
  • Packaging10mM(in1mLDMSO)
  • Price$50
  • Updated2026-05-06
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  • ManufacturerApexBio Technology
  • Product numberB2088
  • Product descriptionDiethylstilbestrol
  • Packaging200mg
  • Price$52
  • Updated2026-05-06
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  • ManufacturerApexBio Technology
  • Product numberB2088
  • Product descriptionDiethylstilbestrol
  • Packaging1g
  • Price$71
  • Updated2026-05-06
  • Buy
  • ManufacturerApexBio Technology
  • Product numberB2088
  • Product descriptionDiethylstilbestrol
  • PackagingEvaluationSample
  • Price$30
  • Updated2026-05-06
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA00I9X0 (E)-4,4'-(1,2-Diethyl-1,2-ethenediyl)bisphenol 98% 250mg $10 2026-05-29 Buy
aablocks AA00I9X0 (E)-4,4'-(1,2-Diethyl-1,2-ethenediyl)bisphenol ≥90% 1g $13 2026-05-29 Buy
aablocks AA00I9X0 (E)-4,4'-(1,2-Diethyl-1,2-ethenediyl)bisphenol 98% 5g $33 2026-05-29 Buy
aablocks AA00I9X0 (E)-4,4'-(1,2-Diethyl-1,2-ethenediyl)bisphenol 98% 25g $126 2026-05-29 Buy
aablocks AA00I9X0 (E)-4,4'-(1,2-Diethyl-1,2-ethenediyl)bisphenol 95% 100g $407 2026-05-29 Buy
AHH MT-50130 Diethylstilbestrol 97% 500g $730 2026-05-26 Buy
AK Scientific J11572 Diethylstilbestrol 1g $98 2021-12-16 Buy
AK Scientific J52002 Diethylstilbestrol 10g $137 2021-12-16 Buy
AK Scientific J52002 Diethylstilbestrol 1g $21 2021-12-16 Buy
AK Scientific J11572 Diethylstilbestrol 100mg $49 2021-12-16 Buy
American Custom Chemicals Corporation API0002346 DIETHYL STILBESTROL 95.00% 10G $1166.55 2021-12-16 Buy
American Custom Chemicals Corporation API0002346 DIETHYL STILBESTROL 95.00% 100G $3326.4 2021-12-16 Buy
ApexBio Technology B2088 Diethylstilbestrol 10mM(in1mLDMSO) $50 2026-05-06 Buy
ApexBio Technology B2088 Diethylstilbestrol 200mg $52 2026-05-06 Buy
ApexBio Technology B2088 Diethylstilbestrol 1g $71 2026-05-06 Buy
ApexBio Technology B2088 Diethylstilbestrol EvaluationSample $30 2026-05-06 Buy
Next Last

Properties

Melting point :170-172 °C(lit.)
Boiling point :351.51°C (rough estimate)
Density :1.1096 (rough estimate)
refractive index :1.4800 (estimate)
storage temp. :2-8°C
solubility :methanol: 0.1 g/mL, clear, faintly yellow
pka :pKa 9.02(H2O t=25 I=0.025) (Uncertain)
form :Crystalline Powder
color :White to almost white
biological source :rabbit
Water Solubility :PRACTICALLY INSOLUBLE
Merck :13,3155
BRN :2056095
Henry's Law Constant :1.7×102 mol/(m3Pa) at 25℃, HSDB (2015)
Stability :Isomerizes rapidly in Benzene, Chloroform, and Ether. Keep Shielded from light.
Major Application :pharmaceutical (small molecule)
InChI :1S/C18H20O2/c1-3-17(13-5-9-15(19)10-6-13)18(4-2)14-7-11-16(20)12-8-14/h5-12,19-20H,3-4H2,1-2H3/b18-17+
InChIKey :RGLYKWWBQGJZGM-ISLYRVAYSA-N
SMILES :CC\C(c1ccc(O)cc1)=C(\CC)c2ccc(O)cc2
CAS DataBase Reference :56-53-1(CAS DataBase Reference)
NIST Chemistry Reference :Diethylstilbesterol(56-53-1)
IARC :1 (Vol. 21, Sup 7, 100A) 2012
EPA Substance Registry System :Diethylstilbestrol (56-53-1)

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)Health Hazard (GHS08)Environment (GHS09)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
H350 May cause cancer Carcinogenicity Category 1A, 1B Danger
H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:
P202 Do not handle until all safety precautions have been read and understood.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P273 Avoid release to the environment.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P308+P313 IF exposed or concerned: Get medical advice/attention.

Description

Diethylstilbestrol (DES) is a synthetic estrogen receptor agonist that was prescribed to pregnant women in the late 1930s. It was banned in 1971 because of possible links to increased risk of breast cancer in mothers along with congenital abnormalities and increased risk of cancer in offspring. DES is structurally related to, and is as potent as, estradiol in most assays, with a longer half-life. It has a relative binding affinity to sex hormone binding globulin (SHBG) of 0.2 compared to estradiol which has a relative binding affinity of 100. A concentration of 20 μM DES, displaces 30 ± 13% of 3H-estradiol from SHBG in serum.

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Suppliers and manufacturers

Chengdu Ai Keda Chemical Technology Co., Ltd. Shenzhen Beier Medical Technology Co., Ltd. Hubei Hongyun long biological technology Co. Ltd. J & K SCIENTIFIC LTD. future industrial shanghai co., ltd Chembest Research Laboratories Limited Energy Chemical Capot Chemical Co., Ltd LGM Pharma Nanjing Chemlin Chemical Co., Ltd