Estradiol

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Pharmaceutical Reference Standards

Estradiol

CAT. No.	CP-E3000
CAS. No.	50-28-2
Mol. F.	C18H24O2
Mol. Wt.	272.4
Stock Status:	In Stock

β-Estradiol 3,17-diacetate

CAT. No.	CP-E3005
CAS. No.	3434-88-6
Mol. F.	C22H28O4
Mol. Wt.	356.5
Stock Status:	Custom Synthesis

β-Estradiol 17-acetate

CAT. No.	CP-E3006
CAS. No.	1743-60-8
Mol. F.	C20H26O3
Mol. Wt.	314.4
Stock Status:	Custom Synthesis

Estradiol Acetate

CAT. No.	CP-E3007
CAS. No.	4245-41-4
Mol. F.	C20H26O3
Mol. Wt.	314.4
Stock Status:	Custom Synthesis

Estradiol USP Related Compound C

CAT. No.	CP-E3008
CAS. No.	571-92-6
Mol. F.	C18H22O3
Mol. Wt.	286.4
Stock Status:	Custom Synthesis

Estradiol USP Related Compound B

CAT. No.	CP-E3009
CAS. No.	7291-41-0
Mol. F.	C18H22O2
Mol. Wt.	270.4
Stock Status:	Custom Synthesis

17α-Estradiol Sulfate Sodium Salt

CAT. No.	CP-E3010
CAS. No.	56050-04-5
Mol. F.	C18H23O5S : Na
Mol. Wt.	351.4 : 23.0
Stock Status:	Custom Synthesis

Rel. Cas No: 22139-70-4 (free base)

17beta-Estradiol 3-O-Sulfate Sodium

CAT. No.	CP-E3012
CAS. No.	4999-79-5
Mol. F.	C18H23O5S : Na
Mol. Wt.	351.44 : 23.0
Stock Status:	Custom Synthesis

Rel. Cas No: 481-96-9 (free base)

4-Methylestradiol Cypionate

CAT. No.	CP-E3013
CAS. No.	NA
Mol. F.	C27H38O3
Mol. Wt.	410.6
Stock Status:	Custom Synthesis

Estradiol-9-Ene Cypionate

CAT. No.	CP-E3014
CAS. No.	NA
Mol. F.	C26H34O3
Mol. Wt.	394.56
Stock Status:	Custom Synthesis

17β-Estradiol Dimethyl Ether

CAT. No.	CP-E3015
CAS. No.	4954-14-7
Mol. F.	C20H28O2
Mol. Wt.	300.44
Stock Status:	Custom Synthesis

16-Keto 17β-Estradiol

CAT. No.	CP-E3016
CAS. No.	566-75-6
Mol. F.	C18H22O3
Mol. Wt.	286.37
Stock Status:	Custom Synthesis

Estradiol Impurity 6

CAT. No.	CP-E3017
CAS. No.	1429637-70-6
Mol. F.	C18H22O3
Mol. Wt.	286.37
Stock Status:	Custom Synthesis

2-Methyl Estradiol

CAT. No.	CP-E3018
CAS. No.	1818-12-8
Mol. F.	C19H26O2
Mol. Wt.	286.41
Stock Status:	Custom Synthesis

18-Nor-17β-Estradiol

CAT. No.	CP-E3019
CAS. No.	15093-14-8
Mol. F.	C17H22O2
Mol. Wt.	258.36
Stock Status:	Custom Synthesis

Estradiol Hemihydrate

CAT. No.	CP-E58000
CAS. No.	35380-71-3
Mol. F.	C18H24O2 : ½(H2O)
Mol. Wt.	272.4 : ½(18.0)
Stock Status:	Custom Synthesis

Rel. Cas No: 50-28-2 (free base)

Estradiol Hemihydrate EP Impurity A

CAT. No.	CP-E58001
CAS. No.	19973-76-3
Mol. F.	C18H22O2
Mol. Wt.	270.37
Stock Status:	Custom Synthesis

Estradiol Hemihydrate EP Impurity B

CAT. No.	CP-E58002
CAS. No.	57-91-0
Mol. F.	C18H24O2
Mol. Wt.	272.39
Stock Status:	Custom Synthesis

Estradiol Hemihydrate EP Impurity C

CAT. No.	CP-E58003
CAS. No.	6171-48-8
Mol. F.	C19H26O2
Mol. Wt.	286.41
Stock Status:	In Stock

Estradiol Hemihydrate EP Impurity D

CAT. No.	CP-E58004
CAS. No.	791-69-5
Mol. F.	C18H22O2
Mol. Wt.	270.37
Stock Status:	In Stock

Estradiol Hemihydrate Impurity 1

CAT. No.	CP-E58005
CAS. No.	1852-86-4
Mol. F.	C21H28O2
Mol. Wt.	312.45
Stock Status:	Custom Synthesis

Estradiol Hemihydrate Impurity 2

CAT. No.	CP-E58006
CAS. No.	499985-15-8
Mol. F.	C24H36O2
Mol. Wt.	356.55
Stock Status:	Custom Synthesis

Estradiol 3-Propyl Ether

CAT. No.	CP-E58007
CAS. No.	22034-63-5
Mol. F.	C21H30O2
Mol. Wt.	314.5
Stock Status:	Custom Synthesis

3-O-Methyl Estradiol

CAT. No.	CP-E58008
CAS. No.	1035-77-4
Mol. F.	C19H26O2
Mol. Wt.	286.4
Stock Status:	Custom Synthesis

Estradiol Enanthate

CAT. No.	CP-E59000
CAS. No.	4956-37-0
Mol. F.	C25H36O3
Mol. Wt.	384.56
Stock Status:	Custom Synthesis

4-Methyl Estradiol Enanthate

CAT. No.	CP-E59001
CAS. No.	NA
Mol. F.	C26H38O3
Mol. Wt.	398.59
Stock Status:	Custom Synthesis

Delta-9(11)-Estradiol 17-Enanthate

CAT. No.	CP-E59002
CAS. No.	95960-05-7
Mol. F.	C25H34O3
Mol. Wt.	382.54
Stock Status:	Custom Synthesis

Estradiol Acetate Enanthate

CAT. No.	CP-E59003
CAS. No.	NA
Mol. F.	C27H38O4
Mol. Wt.	426.6
Stock Status:	Custom Synthesis

Estradiol 3-Enanthate

CAT. No.	CP-E59004
CAS. No.	55540-97-1
Mol. F.	C25H36O3
Mol. Wt.	384.6
Stock Status:	Custom Synthesis

Estradiol 17-Octanoate

CAT. No.	CP-E59005
CAS. No.	63042-22-8
Mol. F.	C26H38O3
Mol. Wt.	398.6
Stock Status:	Custom Synthesis

Estradiol Valerate

CAT. No.	CP-E61000
CAS. No.	979-32-8
Mol. F.	C23H32O3
Mol. Wt.	356.4
Stock Status:	Custom Synthesis

Estradiol Valerate EP Impurity B

CAT. No.	CP-E61002
CAS. No.	21881-45-8
Mol. F.	C23H32O3
Mol. Wt.	356.51
Stock Status:	Custom Synthesis

Estradiol Valerate EP Impurity C

CAT. No.	CP-E61003
CAS. No.	95959-20-9
Mol. F.	C23H30O3
Mol. Wt.	354.49
Stock Status:	Custom Synthesis

Estradiol Valerate EP Impurity D

CAT. No.	CP-E61004
CAS. No.	1359847-37-2
Mol. F.	C24H34O3
Mol. Wt.	370.53
Stock Status:	Custom Synthesis

Estradiol Valerate EP Impurity E

CAT. No.	CP-E61005
CAS. No.	63042-28-4
Mol. F.	C28H40O4
Mol. Wt.	440.62
Stock Status:	Custom Synthesis

Estradiol Valerate EP Impurity F

CAT. No.	CP-E61006
CAS. No.	18069-79-9
Mol. F.	C22H30O3
Mol. Wt.	342.48
Stock Status:	Custom Synthesis

Estradiol Valerate EP Impurity G

CAT. No.	CP-E61007
CAS. No.	1313382-25-0
Mol. F.	C23H30O3
Mol. Wt.	354.49
Stock Status:	Custom Synthesis

Estradiol Valerate EP Impurity H

CAT. No.	CP-E61008
CAS. No.	1421283-56-8
Mol. F.	C28H40O4
Mol. Wt.	440.62
Stock Status:	Custom Synthesis

Estradiol Valerate EP Impurity I

CAT. No.	CP-E61009
CAS. No.	NA
Mol. F.	C49H66O5
Mol. Wt.	735.06
Stock Status:	Custom Synthesis

Estradiol Valerate EP Impurity J

CAT. No.	CP-E61010
CAS. No.	NA
Mol. F.	C24H34O3
Mol. Wt.	370.53
Stock Status:	Custom Synthesis

6β-Hydroxy-17β-Estradiol 17-Valerate

CAT. No.	CP-E61011
CAS. No.	1313382-32-9
Mol. F.	C23H32O4
Mol. Wt.	372.51
Stock Status:	Custom Synthesis

6α-Hydroxy-17β-Estradiol 17-Valerate

CAT. No.	CP-E61012
CAS. No.	1313382-26-1
Mol. F.	C23H32O4
Mol. Wt.	372.51
Stock Status:	Custom Synthesis

6-Oxo-17β-estradiol 17-Valerate

CAT. No.	CP-E61013
CAS. No.	1313382-51-2
Mol. F.	C23H30O4
Mol. Wt.	370.49
Stock Status:	Custom Synthesis

Estradiol Valerate Impurity 1

CAT. No.	CP-E61014
CAS. No.	NA
Mol. F.	C23H28O4
Mol. Wt.	368.47
Stock Status:	Custom Synthesis

Estradiol Valerate Impurity 2

CAT. No.	CP-E61015
CAS. No.	NA
Mol. F.	C23H30O4
Mol. Wt.	370.49
Stock Status:	Custom Synthesis

Promestriene

CAT. No.	CP-E61016
CAS. No.	39219-28-8
Mol. F.	C22H32O2
Mol. Wt.	328.5
Stock Status:	Custom Synthesis

Delta-9,11-Promestriene

CAT. No.	CP-E61017
CAS. No.	2575516-67-3
Mol. F.	C22H30O2
Mol. Wt.	326.5
Stock Status:	Custom Synthesis

Estradiol Impurity 1

CAT. No.	CP-E61018
CAS. No.	41460-44-0
Mol. F.	C26H36O3
Mol. Wt.	396.6
Stock Status:	Custom Synthesis

Estradiol Dicypionate

CAT. No.	CP-E61019
CAS. No.	633-36-3
Mol. F.	C34H48O4
Mol. Wt.	520.8
Stock Status:	Custom Synthesis

∆8,9-Dehydro-17β-Estradiol

CAT. No.	CP-E61020
CAS. No.	23392-54-3
Mol. F.	C18H22O2
Mol. Wt.	270.4
Stock Status:	Custom Synthesis

Estradiol Impurity 4

CAT. No.	CP-E61021
CAS. No.	57780-81-1
Mol. F.	C18H24O4
Mol. Wt.	304.4
Stock Status:	Custom Synthesis

2-Methoxy 17β-Estradiol

CAT. No.	CP-E61022
CAS. No.	362-07-2
Mol. F.	C19H26O3
Mol. Wt.	302.4
Stock Status:	Custom Synthesis

Estradiol 17-Hexanoate

CAT. No.	CP-E61023
CAS. No.	71764-18-6
Mol. F.	C24H34O3
Mol. Wt.	370.5
Stock Status:	Custom Synthesis

Estradiol Benzoate

CAT. No.	CP-E75000
CAS. No.	50-50-0
Mol. F.	C25H28O3
Mol. Wt.	376.5
Stock Status:	Custom Synthesis

Estradiol Benzoate EP Impurity B

CAT. No.	CP-E75002
CAS. No.	NA
Mol. F.	C26H30O3
Mol. Wt.	390.52
Stock Status:	Custom Synthesis

Estradiol Benzoate EP Impurity C

CAT. No.	CP-E75003
CAS. No.	4147-13-1
Mol. F.	C32H32O4
Mol. Wt.	480.6
Stock Status:	Custom Synthesis

Estradiol Benzoate EP Impurity D

CAT. No.	CP-E75004
CAS. No.	983-30-2
Mol. F.	C25H28O3
Mol. Wt.	376.5
Stock Status:	Custom Synthesis

Estradiol Benzoate EP Impurity E

CAT. No.	CP-E75005
CAS. No.	6045-53-0
Mol. F.	C25H28O3
Mol. Wt.	376.5
Stock Status:	Custom Synthesis

Estradiol Benzoate EP Impurity F

CAT. No.	CP-E75006
CAS. No.	95870-51-2
Mol. F.	C25H26O3
Mol. Wt.	374.48
Stock Status:	Custom Synthesis

Estradiol Benzoate EP Impurity G

CAT. No.	CP-E75007
CAS. No.	2393-53-5
Mol. F.	C25H26O3
Mol. Wt.	374.48
Stock Status:	Custom Synthesis

Estradiol Benzoate EP Impurity H

CAT. No.	CP-E75008
CAS. No.	NA
Mol. F.	C27H30O4
Mol. Wt.	418.53
Stock Status:	Custom Synthesis

Estradiol Benzoate Impurity 1

CAT. No.	CP-E75009
CAS. No.	88722-94-5
Mol. F.	C32H32O4
Mol. Wt.	480.6
Stock Status:	Custom Synthesis

Estradiol Benzoate Impurity 2

CAT. No.	CP-E75010
CAS. No.	182624-52-8
Mol. F.	C25H28O3
Mol. Wt.	376.5
Stock Status:	Custom Synthesis

a b c d e f g h i j k l m n o p q r s t u v w x y z

Estradiol

Pharmaceutical Reference Standards

Estradiol

β-Estradiol 3,17-diacetate

β-Estradiol 17-acetate

Estradiol Acetate

Estradiol USP Related Compound C

Estradiol USP Related Compound B

17α-Estradiol Sulfate Sodium Salt

17beta-Estradiol 3-O-Sulfate Sodium

4-Methylestradiol Cypionate

Estradiol-9-Ene Cypionate

17β-Estradiol Dimethyl Ether

16-Keto 17β-Estradiol

Estradiol Impurity 6

2-Methyl Estradiol

18-Nor-17β-Estradiol

Estradiol Hemihydrate

Estradiol Hemihydrate EP Impurity A

Estradiol Hemihydrate EP Impurity B

Estradiol Hemihydrate EP Impurity C

Estradiol Hemihydrate EP Impurity D

Estradiol Hemihydrate Impurity 1

Estradiol Hemihydrate Impurity 2

Estradiol 3-Propyl Ether

3-O-Methyl Estradiol

Estradiol Enanthate

4-Methyl Estradiol Enanthate

Delta-9(11)-Estradiol 17-Enanthate

Estradiol Acetate Enanthate

Estradiol 3-Enanthate

Estradiol 17-Octanoate

Estradiol Valerate

Estradiol Valerate EP Impurity B

Estradiol Valerate EP Impurity C

Estradiol Valerate EP Impurity D

Estradiol Valerate EP Impurity E

Estradiol Valerate EP Impurity F

Estradiol Valerate EP Impurity G

Estradiol Valerate EP Impurity H

Estradiol Valerate EP Impurity I

Estradiol Valerate EP Impurity J

6β-Hydroxy-17β-Estradiol 17-Valerate

6α-Hydroxy-17β-Estradiol 17-Valerate

6-Oxo-17β-estradiol 17-Valerate

Estradiol Valerate Impurity 1

Estradiol Valerate Impurity 2

Promestriene

Delta-9,11-Promestriene

Estradiol Impurity 1

Estradiol Dicypionate

∆8,9-Dehydro-17β-Estradiol

Estradiol Impurity 4

2-Methoxy 17β-Estradiol

Estradiol 17-Hexanoate

Estradiol Benzoate

Estradiol Benzoate EP Impurity B

Estradiol Benzoate EP Impurity C

Estradiol Benzoate EP Impurity D

Estradiol Benzoate EP Impurity E

Estradiol Benzoate EP Impurity F

Estradiol Benzoate EP Impurity G

Estradiol Benzoate EP Impurity H

Estradiol Benzoate Impurity 1

Estradiol Benzoate Impurity 2