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ChemicalBook >> CAS DataBase List >> 9,11-Dehydro Ethynyl Estradiol

9,11-Dehydro Ethynyl Estradiol

9,11-Dehydro Ethynyl Estradiol price.
  • $130 - $11975
  • Product name: 9,11-Dehydro Ethynyl Estradiol
  • CAS: 1231-96-5
  • MF: C20H22O2
  • MW: 294.39
  • EINECS:
  • MDL Number:MFCD01310751
  • Synonyms:9,11-Dehydro Ethynyl Estradiol;Ethinyl Estradiol Related Compound B (10 mg) (19-Nor-17alpha-pregna-1,3,5(10),9(11)-tetraen-20-yne-3,17-diol);9,11-Dehydro Ethylnyl Estradiol;9,11-Dehydro Ethylnyl Estradiol (IMpurity B);(17α)-19-Norpregna-1,3,5(10),9(11)-tetraen-20-yne-3,17-diol;19-Nor-17α-pregna-1,3,5(10),9(11)-tetraen-20-yne-3,17-diol;Ethinylestradiol Impurity 2（Ethinylestradiol EP Impurity B）;3,17β-dihydroxy-19-norpregna-1,3,5(10),9(11)-tetraene-20-yne
Price22 Properties Safety Information Description
22 prices
Selected condition：
Brand
  • aablocks
  • ACHEMBLOCK
  • AK Scientific
  • American Custom Chemicals Corporation
  • Biosynth
  • Matrix Scientific
  • Sigma-Aldrich
  • TRC
  • Usbiological
Package
  • 1mg
  • 2mg
  • 5mg
  • 10MG
  • 20MG
  • 25mg
  • 50MG
  • 100mg
  • 1g
  • 1.00g
  • Manufactureraablocks
  • Product numberAA009E39
  • Product description9,11-Dehydro Ethynyl Estradiol
  • Packaging100mg
  • Price$1045
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA009E39
  • Product description9,11-Dehydro Ethynyl Estradiol
  • Packaging1g
  • Price$2545
  • Updated2026-05-28
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberH-8560
  • Product descriptiondelta-9(11)-Ethynylestradiol 97%
  • Packaging1G
  • Price$165
  • Updated2026-05-27
  • Buy
  • ManufacturerAK Scientific
  • Product number4468BB
  • Product description9,11-DehydroEthynylEstradiol
  • Packaging1g
  • Price$11975
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberSHG0000628
  • Product description1,3,5(10),9(11)-ESTRATETRAEN-17ALPHA-ETHYNYL-3,17BETA-DIOL 95.00%
  • Packaging10MG
  • Price$739.2
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberSHG0000628
  • Product description1,3,5(10),9(11)-ESTRATETRAEN-17ALPHA-ETHYNYL-3,17BETA-DIOL 95.00%
  • Packaging50MG
  • Price$971.25
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberSHG0000628
  • Product description1,3,5(10),9(11)-ESTRATETRAEN-17ALPHA-ETHYNYL-3,17BETA-DIOL 95.00%
  • Packaging100MG
  • Price$1871.1
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth
  • Product numberFE20914
  • Product descriptionEthinyl estradiol Related Compound B
  • Packaging25mg
  • Price$1427.75
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberFE20914
  • Product descriptionEthinyl estradiol Related Compound B
  • Packaging1mg
  • Price$900
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberFE20914
  • Product descriptionEthinyl estradiol Related Compound B
  • Packaging2mg
  • Price$900
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberFE20914
  • Product descriptionEthinyl estradiol Related Compound B
  • Packaging5mg
  • Price$900
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberFE20914
  • Product descriptionEthinyl estradiol Related Compound B
  • Packaging10mg
  • Price$908.6
  • Updated2026-06-04
  • Buy
  • ManufacturerMatrix Scientific
  • Product number201170
  • Product description(8S,13S,14S,17R)-17-Ethynyl-13-methyl-7,8,12,14,15,16-hexahydro-6H-cyclopenta[a]phenanthrene-3,17-diol
  • Packaging1.00g
  • Price$8834
  • Updated2026-05-18
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number1260023
  • Product descriptionEthinyl estradiol Related Compound B United States Pharmacopeia (USP) Reference Standard
  • Packaging20MG
  • Price$1330
  • Updated2026-04-30
  • Buy
  • ManufacturerTRC
  • Product numberTRC-D229610-100MG
  • Product description9,11-Dehydro Ethynyl Estradiol >95%(HPLC)
  • Packaging100mg
  • Price$1896
  • Updated2026-06-03
  • Buy
  • ManufacturerTRC
  • Product numberTRC-D229610-25MG
  • Product description9,11-Dehydro Ethynyl Estradiol >95%(HPLC)
  • Packaging25mg
  • Price$669
  • Updated2026-06-03
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA009E39 9,11-Dehydro Ethynyl Estradiol 100mg $1045 2026-05-28 Buy
aablocks AA009E39 9,11-Dehydro Ethynyl Estradiol 1g $2545 2026-05-28 Buy
ACHEMBLOCK H-8560 delta-9(11)-Ethynylestradiol 97% 1G $165 2026-05-27 Buy
AK Scientific 4468BB 9,11-DehydroEthynylEstradiol 1g $11975 2021-12-16 Buy
American Custom Chemicals Corporation SHG0000628 1,3,5(10),9(11)-ESTRATETRAEN-17ALPHA-ETHYNYL-3,17BETA-DIOL 95.00% 10MG $739.2 2021-12-16 Buy
American Custom Chemicals Corporation SHG0000628 1,3,5(10),9(11)-ESTRATETRAEN-17ALPHA-ETHYNYL-3,17BETA-DIOL 95.00% 50MG $971.25 2021-12-16 Buy
American Custom Chemicals Corporation SHG0000628 1,3,5(10),9(11)-ESTRATETRAEN-17ALPHA-ETHYNYL-3,17BETA-DIOL 95.00% 100MG $1871.1 2021-12-16 Buy
Biosynth FE20914 Ethinyl estradiol Related Compound B 25mg $1427.75 2026-06-04 Buy
Biosynth FE20914 Ethinyl estradiol Related Compound B 1mg $900 2026-06-04 Buy
Biosynth FE20914 Ethinyl estradiol Related Compound B 2mg $900 2026-06-04 Buy
Biosynth FE20914 Ethinyl estradiol Related Compound B 5mg $900 2026-06-04 Buy
Biosynth FE20914 Ethinyl estradiol Related Compound B 10mg $908.6 2026-06-04 Buy
Matrix Scientific 201170 (8S,13S,14S,17R)-17-Ethynyl-13-methyl-7,8,12,14,15,16-hexahydro-6H-cyclopenta[a]phenanthrene-3,17-diol 1.00g $8834 2026-05-18 Buy
Sigma-Aldrich 1260023 Ethinyl estradiol Related Compound B United States Pharmacopeia (USP) Reference Standard 20MG $1330 2026-04-30 Buy
TRC TRC-D229610-100MG 9,11-Dehydro Ethynyl Estradiol >95%(HPLC) 100mg $1896 2026-06-03 Buy
TRC TRC-D229610-25MG 9,11-Dehydro Ethynyl Estradiol >95%(HPLC) 25mg $669 2026-06-03 Buy
Next Last

Properties

Melting point :181.1-181.9 °C
Boiling point :477.491±45.00 °C(Press: 760.00 Torr)(predicted)
Density :1.242±0.10 g/cm3(Temp: 25 °C; Press: 760 Torr)(predicted)
storage temp. :Store at 0-8 °C
solubility :Chloroform (Slightly), Methanol (Slightly, Sonicated)
form :Solid
pka :10.361±0.60(predicted)
color :White to Yellow

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
H350 May cause cancer Carcinogenicity Category 1A, 1B Danger
H362 May cause harm to breast-fed children Reproductive toxicity, effects on or via lactation Additional category P201, P260, P263, P264, P270,P308+P313
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:
P201 Obtain special instructions before use.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P263 Avoid contact during pregnancy/while nursing.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P273 Avoid release to the environment.
P308+P313 IF exposed or concerned: Get medical advice/attention.
P391 Collect spillage. Hazardous to the aquatic environment
P501 Dispose of contents/container to..…

Description

A degradation product of Ethynyl Estradiol (EE); an impurity of Ethynyl Estradiol (E685100).

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Suppliers and manufacturers

J & K SCIENTIFIC LTD. Chemsky（shanghai）International Co.,Ltd. Chemsky（shanghai）International Co.,Ltd. Sinopharm Chemical Reagent Co,Ltd. Clearsynth Labs Limited Shanghai TaoSu Biochemical Technology Co., Ltd. Quality Control Solutions Ltd. Shandong Boluoda Biological Technology Co., Ltd. Nanjing XiZe Biotechnology CO., Ltd. BOC Sciences