CAS: 50-28-2 - Estradiol

Formula:C₁₈H₂₄O₂

InChI:InChI=1S/C18H24O2/c1-18-9-8-14-13-5-3-12(19)10-11(13)2-4-15(14)16(18)6-7-17(18)20/h3,5,10,14-17,19-20H,2,4,6-9H2,1H3/t14-,15-,16+,17+,18+/m1/s1

InChI key:InChIKey=VOXZDWNPVJITMN-ZBRFXRBCSA-N

SMILES:OC1=CC=C2C(=C1)CCC3C2CCC4(C)C(O)CCC34

Synonyms:
(+)-3,17β-Estradiol
(17β)-Estra-1,3,5(10)-triene-3,17-diol
(8Alpha,9Beta,13Alpha,14Beta,17Alpha)-Estra-1,3,5(10)-Triene-3,17-Diol
(8R,9S,13S,14S,17S)-13-Methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol
1,3,5-Estratriene-3,17Beta-Diol
13β-Methyl-1,3,5(10)-gonatriene-3,17β-ol
17Beta-Estradiol
17β-Estradiol
17β-Oestradiol
3,17-Epidihydroxyestratriene
See more synonyms
3,17Beta-Dihydroxy-1,3,5(10)-Estratriene
3,17β-Dihydroxyestra-1,3,5(10)-triene
Aerodiol
Alora
Altrad
Aquadiol
Bardiol
Benzogynestry
Beta-Estradiol
Climaderm
Climara
Compudose
Corpagen
Dermestril
Destradiol
Dihydrofolliculin
Dihydromenformon
Dihydrotheelin
Dihydroxyestrin
Dimenformon
Diogyn
Diogynets
Divigel
Elestrim
Encore
Estasorb
Estra-1,3,5(10)-triene-3,17-diol
Estra-1,3,5(10)-triene-3,17β-diol
Estrace
Estraderm
Estradiol
Estradiol-17β
Estradot
Estraldine
Estrapatch
Estredox
Estreva
Estring
Estroclim
Estrogel
Estropause
Estrovite
Evamist
Evorel
FemSeven
Femanest
Femestral
Femogen
Fempatch
Follicyclin
Gelestra
Ginosedol
Gynergon
Gynodiol
Gynoestryl
Imvexxy
Innofem
Lamdiol
Macrodiol
Menorest
Menostar
Nordicol
Oesclim
Oestergon
Oestra-1,3,5(10)-triene-3,17β-diol
Oestradiol
Oestrogel
Oestroglandol
Ovahormon
Ovasterol
Ovastevol
Ovocyclin
Ovocylin
Perlatanol
Primofol
Profoliol
Progynon
Sprediol
Syndiol
Systen
Vagifem
Vivelle
Vivelle-Dot
Zesteem
Zumenon
Estra-1,3,5(10)-triene-3,17-diol (17β)-

Found 18 products.

Product data	Purity	Price range	Estimated delivery
β-Estradiol REF: 3B-E0025CAS: 50-28-2	>97.0%(GC)	44.00 €~509.00 €	Thu 06 Feb 25
β-Estradiol, 99% (dry wt.), ca 3% water REF: 02-L03801CAS: 50-28-2	99%	To inquire	Fri 07 Feb 25
β-Estradiol, 98% REF: AC-43632CAS: 50-28-2	98%	171.00 €~622.00 €	Tue 11 Feb 25
Estradiol for peak identification CRS REF: 41-Y0000314CAS: 50-28-2	- - -	115.00 €	Tue 11 Feb 25
(17β)-Estra-1,3,5(10)-triene-3,17-diol REF: IN-DA0034TICAS: 50-28-2	%	To inquire	Thu 13 Feb 25
Estradiol REF: TM-T1048CAS: 50-28-2	98.25% - 99.58%	34.00 €~54.00 €	Thu 13 Feb 25
Estradiol-13C2-d2 (Estradiol Valerate EP Impurity A-13C2-d2, Estriol EP Impurity D-13C2-d2, Ethinylestradiol EP Impurity D-13C2-d2) REF: 4Z-E-09120CAS: 50-28-2	- - -	To inquire	Fri 14 Feb 25
Estradiol REF: 7W-GP9683CAS: 50-28-2	≥ 97.0% (dried basis)	38.00 €~408.00 €	Fri 14 Feb 25
Estradiol-d4 (Estradiol Valerate EP Impurity A-d4, Estriol EP Impurity D-d4, Ethinylestradiol EP Impurity D-d4) REF: 4Z-E-098CAS: 50-28-2 66789-03-5	- - -	To inquire	Fri 14 Feb 25
Estradiol (Estradiol Valerate EP Impurity A, Estriol EP Impurity D, Ethinylestradiol EP Impurity D) REF: 4Z-E-096CAS: 35380-71-3 50-28-2	- - -	To inquire	Fri 14 Feb 25
GB 31660.2-2019 Antibiotics Mixture 168 30-100 µg/mL in Methanol REF: 04-A50000168MECAS: 140-66-9 25154-52-3 50-27-1 50-28-2 53-16-7 56-53-1 57-63-6 80-05-7	- - -	To inquire	Tue 18 Feb 25
17-β-Estradiol REF: 04-C13213100CAS: 50-28-2	- - -	58.00 €	Tue 18 Feb 25
Estradiol REF: BP-SBP03440CAS: 50-28-2	95%~99%	To inquire	Tue 18 Feb 25
17-β-Estradiol 100 µg/mL in Acetonitrile REF: 04-XA13213100ALCAS: 50-28-2	- - -	30.00 €	Tue 18 Feb 25
(1S,10R,11S,14S,15S)-15-methyltetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadeca-2(7),3,5-triene-5,14-diol REF: 10-F358087CAS: 50-28-2	97.0%	To inquire	Tue 25 Feb 25
17β-Estradiol REF: TR-E888000CAS: 50-28-2	- - -	95.00 €~151.00 €	Tue 25 Feb 25
b-Estradiol REF: 3D-FE10880CAS: 50-28-2	Min. 97 Area-%	167.00 €~2,136.00 €	Mon 24 Feb 25
Estradiol-(13,14,15,16,17,18-13C6) REF: TR-E888001CAS: 50-28-2	- - -	32,192.00 €	Wed 26 Mar 25

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β-Estradiol

CAS:50-28-2

Formula:

C₁₈H₂₄O₂

Purity:

>97.0%(GC)

Color and Shape:

White to Almost white powder to crystal

Molecular weight:

272.39

Ref: 3B-E0025

1g		44.00 €
5g		140.00 €
25g		509.00 €

Estimated delivery in United States, on Thursday 6 Feb 2025

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β-Estradiol, 99% (dry wt.), ca 3% water

CAS:50-28-2

β-Estradiol is the major estrogen secreted by the premenopausal ovary. It acts as an estrogenic …

Formula:

C₁₈H₂₄O₂

Purity:

99%

Color and Shape:

Powder, White

Molecular weight:

272.39

Ref: 02-L03801

1g		55.00 €
5g		To inquire
25g		To inquire

Estimated delivery in United States, on Friday 7 Feb 2025

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β-Estradiol, 98%

CAS:50-28-2

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. …

Formula:

C₁₈H₂₄O₂

Purity:

98%

Color and Shape:

White to off-white, Powder

Molecular weight:

272.39

Ref: AC-43632

5g		171.00 €
25g		622.00 €

Estimated delivery in United States, on Tuesday 11 Feb 2025

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Estradiol for peak identification CRS

CAS:50-28-2

Ref: 41-Y0000314

15mg 115.00 €

Estimated delivery in United States, on Tuesday 11 Feb 2025

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(17β)-Estra-1,3,5(10)-triene-3,17-diol

CAS:50-28-2

Formula:

C₁₈H₂₄O₂

Purity:

Color and Shape:

Solid

Molecular weight:

272.3820

Ref: IN-DA0034TI

1g		34.00 €
5g		50.00 €
10g		62.00 €
25g		112.00 €
50g		192.00 €
100g		253.00 €
250g		574.00 €
500g		To inquire

Estimated delivery in United States, on Thursday 13 Feb 2025

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Estradiol

CAS:50-28-2

Estradiol (E2) is a naturally occurring steroidal sex hormone that is essential for female fertility …

Formula:

C₁₈H₂₄O₂

Purity:

98.25% - 99.58%

Color and Shape:

White Crystalline Powder Prisms From 80% Alcohol Solid

Molecular weight:

272.38

Inhibitors
Pharmaceutical and Veterinary Compounds and Metabolites
Endocrinology/Hormones
Progestins
See more categories
Estradiol and Impurities

Ref: TM-T1048

25mg		34.00 €
50mg		39.00 €
100mg		43.00 €

Estimated delivery in United States, on Thursday 13 Feb 2025

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Estradiol-13C2-d2 (Estradiol Valerate EP Impurity A-13C2-d2, Estriol EP Impurity D-13C2-d2, Ethiny…

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Estradiol-13C2-d2 (Estradiol Valerate EP Impurity A-13C2-d2, Estriol EP Impurity D-13C2-d2, Ethinylestradiol EP Impurity D-13C2-d2)

CAS:50-28-2

Formula:

C₁₆₁₃C₂H₂₂D₂O₂

Molecular weight:

276.38

Ref: 4Z-E-09120

10mg		To inquire
25mg		To inquire
50mg		To inquire
100mg		To inquire

Estimated delivery in United States, on Friday 14 Feb 2025

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Estradiol

CAS:50-28-2

Formula:

C₁₈H₂₄O₂

Purity:

≥ 97.0% (dried basis)

Color and Shape:

White or off-white powder

Molecular weight:

272.39

Ref: 7W-GP9683

1g		38.00 €
5g		123.00 €
10g		212.00 €
25g		408.00 €

Estimated delivery in United States, on Friday 14 Feb 2025

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Estradiol-d4 (Estradiol Valerate EP Impurity A-d4, Estriol EP Impurity D-d4, Ethinylestradiol EP I…

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Estradiol-d4 (Estradiol Valerate EP Impurity A-d4, Estriol EP Impurity D-d4, Ethinylestradiol EP Impurity D-d4)

CAS:50-28-266789-03-5

Formula:

C₁₈H₂₀D₄O₂

Color and Shape:

White To Off-White Solid

Molecular weight:

276.41

Ref: 4Z-E-098

10mg		To inquire
25mg		To inquire
50mg		To inquire
100mg		To inquire

Estimated delivery in United States, on Friday 14 Feb 2025

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Estradiol (Estradiol Valerate EP Impurity A, Estriol EP Impurity D, Ethinylestradiol EP Impurity D)

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Estradiol (Estradiol Valerate EP Impurity A, Estriol EP Impurity D, Ethinylestradiol EP Impurity D)

CAS:35380-71-3 50-28-2

Formula:

C₁₈H₂₄O₂

Color and Shape:

White To Off-White Solid

Molecular weight:

272.39

Ref: 4Z-E-096

10mg		To inquire
25mg		To inquire
50mg		To inquire
100mg		To inquire

Estimated delivery in United States, on Friday 14 Feb 2025

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GB 31660.2-2019 Antibiotics Mixture 168 30-100 µg/mL in Methanol

Controlled Product

CAS:140-66-9 25154-52-3 50-27-1 50-28-253-16-7 56-53-1 57-63-6 80-05-7

Color and Shape:

Mixture

Food Industry Standards

Ref: 04-A50000168ME

1ml To inquire

Estimated delivery in United States, on Tuesday 18 Feb 2025

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17-β-Estradiol

Controlled Product

CAS:50-28-2

Formula:

C₁₈H₂₄O₂

Color and Shape:

Neat

Molecular weight:

272.38

Ref: 04-C13213100

250mg 58.00 €

Estimated delivery in United States, on Tuesday 18 Feb 2025

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Estradiol

CAS:50-28-2

Formula:

C₁₈H₂₄O₂

Purity:

95%~99%

Color and Shape:

Powder

Molecular weight:

272.388

Steroids

Ref: BP-SBP03440

Undefined size To inquire

Estimated delivery in United States, on Tuesday 18 Feb 2025

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17-β-Estradiol 100 µg/mL in Acetonitrile

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17-β-Estradiol 100 µg/mL in Acetonitrile

Controlled Product

CAS:50-28-2

Formula:

C₁₈H₂₄O₂

Color and Shape:

Single Solution

Molecular weight:

272.38

Ref: 04-XA13213100AL

1ml 30.00 €

Estimated delivery in United States, on Tuesday 18 Feb 2025

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$(1S,10R,11S,14S,15S)-15-methyltetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadeca-2(7),3,5-triene-5,14-di…$

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(1S,10R,11S,14S,15S)-15-methyltetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadeca-2(7),3,5-triene-5,14-diol

CAS:50-28-2

Purity:

97.0%

Color and Shape:

Solid, White powder

Molecular weight:

272.38800048828125

Ref: 10-F358087

1g		29.00 €
5g		44.00 €
10g		To inquire
25g		133.00 €

Estimated delivery in United States, on Tuesday 25 Feb 2025

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17β-Estradiol

Controlled Product

CAS:50-28-2

Impurity Ethinylestradiol EP Impurity D Applications 17b-Estradiol is the major estrogen (1) secreted by the …

Formula:

C₁₈H₂₄O₂

Color and Shape:

White

Molecular weight:

272.38

Ref: TR-E888000

1g		124.00 €
5g		151.00 €
10mg		102.00 €

Estimated delivery in United States, on Tuesday 25 Feb 2025

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b-Estradiol

Controlled Product

CAS:50-28-2

b-Estradiol is a hormone that belongs to the class of estrogens. It is used in …

Formula:

C₁₈H₂₄O₂

Purity:

Min. 97 Area-%

Color and Shape:

Powder

Molecular weight:

272.38 g/mol

Ref: 3D-FE10880

30g		596.00 €
50g		841.00 €
100g		1,130.00 €
250g		1,318.00 €
500g		2,136.00 €

Estimated delivery in United States, on Monday 24 Feb 2025

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Estradiol-(13,14,15,16,17,18-13C6)

Controlled Product

CAS:50-28-2

Formula:

C₁₂C₆H₂₄O₂

Color and Shape:

Neat

Molecular weight:

278.34

Ref: TR-E888001

25mg 32,192.00 €

Estimated delivery in United States, on Wednesday 26 Mar 2025

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