Estrone-Impurities | Pharmaffiliates

estrone and its Impurities

Estrone is one of the naturally occurring estrogens, an estrogenic hormone which is secreted by the ovary and adipose tissue. It is synthesized from 4-androstenedione and is carcinigenic for human females. Reference standards of Estrone API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 47 results for estrone Impurities
PA 05 22000

Estrone - API Standards

Estrone

  • Catalogue No.:PA 05 22000

  • CAS :

    53-16-7

  • Molecular Formula : C18H22O2

  • Molecular Weight : 270.37

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PA 05 22510

Estrone 3-Methyl Ether

Estrone 3-Methyl Ether

  • Catalogue No.:PA 05 22510

  • CAS :

    1624-62-0

  • Molecular Formula : C19H24O2

  • Molecular Weight : 284.39

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PA 05 22520

Estrone 3-O-Sulfamate

Estrone 3-O-Sulfamate

  • Catalogue No.:PA 05 22520

  • CAS :

    148672-09-7

  • Molecular Formula : C18H23NO4S

  • Molecular Weight : 349.44

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PA 05 22530

3-O-Benzyl 15,16-Dehydro Estrone Monoethylene Ketal

3-O-Benzyl 15,16-Dehydro Estrone Monoethylene Ketal

  • Catalogue No.:PA 05 22530

  • CAS :

    534572-67-3

  • Molecular Formula : C27H30O3

  • Molecular Weight : 402.53

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PA 05 22540

3-O-Benzyl Estrone

3-O-Benzyl Estrone

  • Catalogue No.:PA 05 22540

  • CAS :

    858-98-0

  • Molecular Formula : C25H28O2

  • Molecular Weight : 360.49

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PA 05 22550

3-O-Benzyl Estrone Monoethylene Ketal

3-O-Benzyl Estrone Monoethylene Ketal

  • Catalogue No.:PA 05 22550

  • CAS :

    162784-26-1

  • Molecular Formula : C27H32O3

  • Molecular Weight : 404.54

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PA 05 22560

∆8,9-Dehydro Estrone 3-Sulfate Sodium Salt

∆8,9-Dehydro Estrone 3-Sulfate Sodium Salt

  • Catalogue No.:PA 05 22560

  • CAS :

    61612-83-7

  • Molecular Formula : C18H19NaO5S

  • Molecular Weight : 370.4

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PA 05 22570

2,4-Dibromo-16α-hydroxy Estrone

2,4-Dibromo-16α-hydroxy Estrone

  • Catalogue No.:PA 05 22570

  • CAS :

    79258-14-3

  • Molecular Formula : C18H20Br2O3

  • Molecular Weight : 444.16

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PA 05 22580

17α-Estradiol Sulfate Sodium Salt

17α-Estradiol Sulfate Sodium Salt

  • Catalogue No.:PA 05 22580

  • CAS :

    56050-04-5

  • Molecular Formula : C18H23NaO5S

  • Molecular Weight : 374.43

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PA 05 22590

Estrone β-D-Glucuronide Sodium Salt

Estrone β-D-Glucuronide Sodium Salt

  • Catalogue No.:PA 05 22590

  • CAS :

    15087-01-1

  • Molecular Formula : C24H29NaO8

  • Molecular Weight : 468.47

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PA 05 22600

Estrone 3-Sulfate Sodium Salt

Estrone 3-Sulfate Sodium Salt

  • Catalogue No.:PA 05 22600

  • CAS :

    438-67-5

  • Molecular Formula : C18H21NaO5S

  • Molecular Weight : 372.41

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PA 05 22610

Estrone 3-Valerate

Estrone 3-Valerate

  • Catalogue No.:PA 05 22610

  • CAS :

    128788-26-1

  • Molecular Formula : C23H30O3

  • Molecular Weight : 354.48

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PA 05 22630

16α-Hydroxyestrone 16-β-D-Glucuronide

16α-Hydroxyestrone 16-β-D-Glucuronide

  • Catalogue No.:PA 05 22630

  • CAS :

    15270-34-5

  • Molecular Formula : C24H30O9

  • Molecular Weight : 462.49

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PA 05 22640

6α-Hydroxy Estrone

6α-Hydroxy Estrone

  • Catalogue No.:PA 05 22640

  • CAS :

    1476-78-4

  • Molecular Formula : C18H22O3

  • Molecular Weight : 286.37

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PA 05 22650

6β-Hydroxy Estrone

6β-Hydroxy Estrone

  • Catalogue No.:PA 05 22650

  • CAS :

    1229-25-0

  • Molecular Formula : C18H22O3

  • Molecular Weight : 286.37

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PA 05 22660

4-Hydroxy Estrone 1-N3-Adenine

4-Hydroxy Estrone 1-N3-Adenine

  • Catalogue No.:PA 05 22660

  • CAS :

    488841-24-3

  • Molecular Formula : C23H25N5O3

  • Molecular Weight : 419.48

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PA 05 22670

4-Hydroxy Estrone 1-N7-Guanine

4-Hydroxy Estrone 1-N7-Guanine

  • Catalogue No.:PA 05 22670

  • CAS :

    178971-92-1

  • Molecular Formula : C23H25N5O4

  • Molecular Weight : 435.48

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PA 05 22680

6-Keto Estrone

6-Keto Estrone

  • Catalogue No.:PA 05 22680

  • CAS :

    1476-34-2

  • Molecular Formula : C18H20O3

  • Molecular Weight : 284.35

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PA 05 22690

Estrone Acetate

Estrone Acetate

  • Catalogue No.:PA 05 22690

  • CAS :

    901-93-9

  • Molecular Formula : C20H24O3

  • Molecular Weight : 312.4

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PA 05 22700

3-O-Methyl Estrone Hydrazone

3-O-Methyl Estrone Hydrazone

  • Catalogue No.:PA 05 22700

  • CAS :

    105663-60-3

  • Molecular Formula : C19H26N2O

  • Molecular Weight : 298.42

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PA 05 22710

3-O-Methyl Estrone 17-(Ethanediyl Ketal)

3-O-Methyl Estrone 17-(Ethanediyl Ketal)

  • Catalogue No.:PA 05 22710

  • CAS :

    28336-29-0

  • Molecular Formula : C21H28O3

  • Molecular Weight : 328.45

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PA STI 061570

3-O-Methyl Estrone-d5 (Major)

3-O-Methyl Estrone-d5 (Major)

  • Catalogue No.:PA STI 061570

  • CAS :

    NA

  • Molecular Formula : C19H19D5O2

  • Molecular Weight : 289.42

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PA STI 061580

3-O-Methyl Estrone-d5 Hydrazone

3-O-Methyl Estrone-d5 Hydrazone

  • Catalogue No.:PA STI 061580

  • CAS :

    NA

  • Molecular Formula : C19H21D5N2O

  • Molecular Weight : 303.45

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PA STI 048790

16α-Hydroxy Estrone-d5 (Major) (mixture of the 16 and 17 keto tautomers)

16α-Hydroxy Estrone-d5 (Major) (mixture of the 16 and 17 keto tautomers)

  • Catalogue No.:PA STI 048790

  • CAS :

    NA

  • Molecular Formula : C18H17D5O3

  • Molecular Weight : 291.4

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PA STI 048810

2-Hydroxy Estrone-d4

2-Hydroxy Estrone-d4

  • Catalogue No.:PA STI 048810

  • CAS :

    81586-97-2

  • Molecular Formula : C18H18D4O3

  • Molecular Weight : 290.39

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PA STI 048820

4-Hydroxy Estrone-d4

4-Hydroxy Estrone-d4

  • Catalogue No.:PA STI 048820

  • CAS :

    81586-98-3

  • Molecular Formula : C18H18D4O3

  • Molecular Weight : 290.39

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PA STI 058710

4-Methoxy Estrone-13C,d3

4-Methoxy Estrone-13C,d3

  • Catalogue No.:PA STI 058710

  • CAS :

    1217437-34-7

  • Molecular Formula : C1813CH21D3O3

  • Molecular Weight : 304.40

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PA 05 22720

10β-Hydroxyestr-4-ene-3,17-dione

10β-Hydroxyestr-4-ene-3,17-dione

  • Catalogue No.:PA 05 22720

  • CAS :

    5189-96-8

  • Molecular Formula : C18H24O3

  • Molecular Weight : 288.39

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PA EPE1700000

Estrone (E1700000)

Estrone (E1700000)

  • Catalogue No.:PA EPE1700000

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA ICRS0302

Estrone (ICRS0302)

  • Catalogue No.:PA ICRS0302

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

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PA USP1255001

Estrone (1255001)

Estrone (1255001)

  • Catalogue No.:PA USP1255001

  • CAS :

    53-16-7

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA BP860RB

estrone (860RB)

estrone (860RB)

  • Catalogue No.:PA BP860RB

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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PA STI 088480

Estrone-2,4-d2

Estrone-2,4-d2

  • Catalogue No.:PA STI 088480

  • CAS :

    350820-16-5

  • Molecular Formula : C18H20D2O2

  • Molecular Weight : 272.38

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PA STI 088494

4-Methoxyestrone-1,2,16,16-d4

4-Methoxyestrone-1,2,16,16-d4

  • Catalogue No.:PA STI 088494

  • CAS :

    NA

  • Molecular Formula : C19H20D4O3

  • Molecular Weight : 304.42

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PA STI 088524

Sodium Estrone-2,4,16,16-d4 Sulfate

Sodium Estrone-2,4,16,16-d4 Sulfate

  • Catalogue No.:PA STI 088524

  • CAS :

    285979-80-8

  • Molecular Formula : C19H19D4NaO4S

  • Molecular Weight : 374.46

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PA 05 0221000

3-O-Propyl Estrone

3-O-Propyl Estrone

  • Catalogue No.:PA 05 0221000

  • CAS :

    1852-86-4

  • Molecular Formula : C21H28O2

  • Molecular Weight : 312.45

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PA 05 0221001

18a-Methylestrone

18a-Methylestrone

  • Catalogue No.:PA 05 0221001

  • CAS :

    6544-68-9

  • Molecular Formula : C19H24O2

  • Molecular Weight : 284.4

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PA STI 088835

3-O-Methyl Estrone-D3

3-O-Methyl Estrone-D3

  • Catalogue No.:PA STI 088835

  • CAS :

    1093230-99-9

  • Molecular Formula : C19H21D3O2

  • Molecular Weight : 287.42

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PA STI 088836

2-AMino-5-chloropyridine-d3

2-AMino-5-chloropyridine-d3

  • Catalogue No.:PA STI 088836

  • CAS :

    1093384-99-6

  • Molecular Formula : C5H2D3ClN2

  • Molecular Weight : 131.58

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PA 05 0221002

3-Hydroxy-estra-1,3,5(10),9(11) -tetraen-17-one

3-Hydroxy-estra-1,3,5(10),9(11) -tetraen-17-one

  • Catalogue No.:PA 05 0221002

  • CAS :

    1089-80-1

  • Molecular Formula : C18H20O2

  • Molecular Weight : 268.36

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PAI 05 022001

Estra-1,3,5(10)-trien-17-one, 2-[(dimethylamino)methyl]-3-hydroxy

Estra-1,3,5(10)-trien-17-one, 2-[(dimethylamino)methyl]-3-hydroxy

  • Catalogue No.:PAI 05 022001

  • CAS :

    96111-26-1

  • Molecular Formula : C21H29NO2

  • Molecular Weight : 327.47

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PAI 05 022002

2-Methyl Estradiol

2-Methyl Estradiol

  • Catalogue No.:PAI 05 022002

  • CAS :

    1818-12-8

  • Molecular Formula : C19H26O2

  • Molecular Weight : 286.42

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PA STI 089199

Estrone-2,3,4-13C3

Estrone-2,3,4-13C3

  • Catalogue No.:PA STI 089199

  • CAS :

    1241684-29-6

  • Molecular Formula : C1513C3H22O2

  • Molecular Weight : 273.35

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PAI 05 022003

Estrone Enol Diacetate

Estrone Enol Diacetate

  • Catalogue No.:PAI 05 022003

  • CAS :

    20592-42-1

  • Molecular Formula : C22H26O4

  • Molecular Weight : 354.45

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PAI 05 022004

Estrone, 16-bromo-, acetate

Estrone, 16-bromo-, acetate

  • Catalogue No.:PAI 05 022004

  • CAS :

    94901-74-3

  • Molecular Formula : C20H23BrO3

  • Molecular Weight : 391.31

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PAI 05 022005

Estra-1,3,5(10)-trien-17-one, 3,16-dihydroxy-, diacetate

Estra-1,3,5(10)-trien-17-one, 3,16-dihydroxy-, diacetate

  • Catalogue No.:PAI 05 022005

  • CAS :

    97232-24-1

  • Molecular Formula : C22H26O5

  • Molecular Weight : 370.45

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PA 05 0221003

Estrone 3-sulfate Potassium Salt

Estrone 3-sulfate Potassium Salt

  • Catalogue No.:PA 05 0221003

  • CAS :

    1240-04-6

  • Molecular Formula : C18H21KO5S

  • Molecular Weight : 388.52

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