levonorgestrel and its Impurities

A synthetic hormone, which is used as a birth control drug. Levonorgestrel is an estrane steroid and a derivative of testosterone which is also used in intrauterine devices. Reference standards of Levonorgestrel API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 47 results for levonorgestrel Impurities
Drug Reference Standards & Impurity Synthesis in India
PA 12 14000

Levonorgestrel

Levonorgestrel

  • Catalogue No.:PA 12 14000

  • CAS :

    797-63-7

  • Molecular Formula : C21H28O2

  • Molecular Weight : 312.45

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Drug Reference Standards & Impurity Synthesis in India
PA 12 14010

Levonorgestrel - Impurity A

13-Ethyl-17-hydroxy-18,19-dinor-17α-pregna-4,8(14)-dien-20-yn-3-one

  • Catalogue No.:PA 12 14010

  • CAS :

    1260525-53-8

  • Molecular Formula : C21H26O2

  • Molecular Weight : 310.43

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Drug Reference Standards & Impurity Synthesis in India
PA 12 14020

Levonorgestrel - Impurity B

13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5(10)-en-20-yn-3-one

  • Catalogue No.:PA 12 14020

  • CAS :

    19914-67-1

  • Molecular Formula : C21H28O2

  • Molecular Weight : 312.45

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Drug Reference Standards & Impurity Synthesis in India
PA 12 14030

Levonorgestrel - Impurity C

13-Ethyl-3-ethynyl-18,19-dinor-17α-pregna-3,5-dien-20-yn-17-ol

  • Catalogue No.:PA 12 14030

  • CAS :

    1337972-89-0

  • Molecular Formula : C23H28O

  • Molecular Weight : 320.47

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Drug Reference Standards & Impurity Synthesis in India
PA 12 14040

Levonorgestrel - Impurity D

13-Ethyl-18,19-dinor-17α-pregn-4-en-20-yn-17-ol(Levo Norgestrel Impurity)

  • Catalogue No.:PA 12 14040

  • CAS :

    32419-58-2

  • Molecular Formula : C21H30O

  • Molecular Weight : 298.23

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Drug Reference Standards & Impurity Synthesis in India
PA 12 14080

Levonorgestrel - Impurity H

6β-Hydroxylevonorgestrel

  • Catalogue No.:PA 12 14080

  • CAS :

    55555-97-0

  • Molecular Formula : C21H28O3

  • Molecular Weight : 328.45

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Drug Reference Standards & Impurity Synthesis in India
PA 12 14100

Levonorgestrel - Impurity J

6-Keto Levonorgestrel

  • Catalogue No.:PA 12 14100

  • CAS :

    1175109-63-3

  • Molecular Formula : C21H26O3

  • Molecular Weight : 326.43

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Drug Reference Standards & Impurity Synthesis in India
PA 12 14110

Levonorgestrel - Impurity K

18-Methylnandrolone

  • Catalogue No.:PA 12 14110

  • CAS :

    793-55-5

  • Molecular Formula : C19H28O2

  • Molecular Weight : 288.43

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Drug Reference Standards & Impurity Synthesis in India
PA 12 14120

Levonorgestrel - Impurity L

Levodione

  • Catalogue No.:PA 12 14120

  • CAS :

    21800-83-9

  • Molecular Formula : C19H26O2

  • Molecular Weight : 286.41

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Drug Reference Standards & Impurity Synthesis in India
PA 12 14130

Levonorgestrel - Impurity M

6(7)-Dehydro Norgestrel

  • Catalogue No.:PA 12 14130

  • CAS :

    51087-61-7

  • Molecular Formula : C21H26O2

  • Molecular Weight : 310.43

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Drug Reference Standards & Impurity Synthesis in India
PA 12 14140

Levonorgestrel - Impurity N

13-Ethylgon-5(10)en-3,17-dione

  • Catalogue No.:PA 12 14140

  • CAS :

    4222-96-2

  • Molecular Formula : C19H26O2

  • Molecular Weight : 286.41

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Drug Reference Standards & Impurity Synthesis in India
PA 12 14150

Levonorgestrel - Impurity O

4,5-Dihydro-5α-methoxylevonorgestrel

  • Catalogue No.:PA 12 14150

  • CAS :

    155683-60-6

  • Molecular Formula : C22H32O3

  • Molecular Weight : 344.49

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Drug Reference Standards & Impurity Synthesis in India
PA 12 14160

Levonorgestrel - Impurity P

13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5-en-20-yn-3-one

  • Catalogue No.:PA 12 14160

  • CAS :

    100021-05-4

  • Molecular Formula : C21H28O2

  • Molecular Weight : 312.45

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Drug Reference Standards & Impurity Synthesis in India
PA 12 14170

Levonorgestrel - Impurity Q

13-Ethyl-3-methoxygona-2,5(10)-dien-17β-ol

  • Catalogue No.:PA 12 14170

  • CAS :

    1038-28-4

  • Molecular Formula : C20H30O2

  • Molecular Weight : 302.45

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Drug Reference Standards & Impurity Synthesis in India
PA 12 14180

Levonorgestrel - Impurity R

Methoxygonadiene

  • Catalogue No.:PA 12 14180

  • CAS :

    2322-77-2

  • Molecular Formula : C20H28O2

  • Molecular Weight : 300.44

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Drug Reference Standards & Impurity Synthesis in India
PA 12 14190

Levonorgestrel - Impurity S

(17α)-13-Ethyl-3-methoxy-18,19-dinorpregna-3,5-dien-20-yn-17-ol

  • Catalogue No.:PA 12 14190

  • CAS :

    176254-10-7

  • Molecular Formula : C22H30O2

  • Molecular Weight : 326.47

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Drug Reference Standards & Impurity Synthesis in India
PA 12 14200

Levonorgestrel - Impurity T

(17α)-13-Ethyl-3-methoxy-18,19-dinorpregna-2,5(10)-dien-20-yn-17-ol

  • Catalogue No.:PA 12 14200

  • CAS :

    14507-51-8

  • Molecular Formula : C22H30O2

  • Molecular Weight : 326.47

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Drug Reference Standards & Impurity Synthesis in India
PA 12 14510

Norgestrel - Impurity D

rac-13-Ethyl-17β-hydroxygon-4-en-3-one

  • Catalogue No.:PA 12 14510

  • CAS :

    793-54-4

  • Molecular Formula : C19H28O2

  • Molecular Weight : 288.42

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Drug Reference Standards & Impurity Synthesis in India
PA 12 14520

(8R,9S,10R,13S,14S,17R,E)-13-Ethyl-17-ethynyl-17-hydroxy-8,9,10,11,12,13,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3(2H)-one oxime

(8R,9S,10R,13S,14S,17R,E)-13-Ethyl-17-ethynyl-17-hydroxy-8,9,10,11,12,13,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3(2H)-one oxime

  • Catalogue No.:PA 12 14520

  • CAS :

    NA

  • Molecular Formula : C21H27NO2

  • Molecular Weight : 325.44

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Drug Reference Standards & Impurity Synthesis in India
PA STI 056511

Levonorgestrel-d6

Levonorgestrel-d6

  • Catalogue No.:PA STI 056511

  • CAS :

    2376035-98-0

  • Molecular Formula : C21H22D6O2

  • Molecular Weight : 318.48

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Drug Reference Standards & Impurity Synthesis in India
PA 12 14070

Levonorgestrel - Impurity G

6α-Hydroxylevonorgestrel

  • Catalogue No.:PA 12 14070

  • CAS :

    87585-03-3

  • Molecular Formula : C21H28O3

  • Molecular Weight : 328.45

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Drug Reference Standards & Impurity Synthesis in India
PA 12 14210

Levonorgestrel - Impurity U

Norethisterone

  • Catalogue No.:PA 12 14210

  • CAS :

    68-22-4

  • Molecular Formula : C20H26O2

  • Molecular Weight : 298.42

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Drug Reference Standards & Impurity Synthesis in India
PA 12 14220

Levonorgestrel - Impurity V

13-Ethyl-3-methoxy-18,19-dinor-17α-pregna-1,3,5(10)-trien-20-yn-17-ol

  • Catalogue No.:PA 12 14220

  • CAS :

    14009-70-2

  • Molecular Formula : C22H28O2

  • Molecular Weight : 324.46

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Drug Reference Standards & Impurity Synthesis in India
PA 12 14230

Levonorgestrel - Impurity W

13-Ethyl-17-hydroxy-18,19-dinor-17α-pregna-5,7,9-trien-20-yn-3-one

  • Catalogue No.:PA 12 14230

  • CAS :

    155683-59-3

  • Molecular Formula : C21H24O2

  • Molecular Weight : 308.42

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Drug Reference Standards & Impurity Synthesis in India
PA ICRS0335

Levonorgestrel (ICRS0335)

Levonorgestrel (ICRS0335)

  • Catalogue No.:PA ICRS0335

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA IPIPRS 20 14

Levonorgestrel (IPRS/20/14)-from IPC

Levonorgestrel (IPRS/20/14)-from IPC

  • Catalogue No.:PA IPIPRS 20 14

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA EPL0551000

Levonorgestrel (L0551000)

Levonorgestrel (L0551000)

  • Catalogue No.:PA EPL0551000

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA EPY0001379

Levonorgestrel impurity B (Y0001379)

Levonorgestrel impurity B (Y0001379)

  • Catalogue No.:PA EPY0001379

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA EPY0001431

Levonorgestrel for system suitability 1 (Y0001431)

Levonorgestrel for system suitability 1 (Y0001431)

  • Catalogue No.:PA EPY0001431

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA EPY0001618

Levonorgestrel for system suitability 2 (Y0001618)

Levonorgestrel for system suitability 2 (Y0001618)

  • Catalogue No.:PA EPY0001618

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA USP1362602

Levonorgestrel (1362602)

Levonorgestrel (1362602)

  • Catalogue No.:PA USP1362602

  • CAS :

    797-63-7

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA BP501RB

levonorgestrel (501RB)

levonorgestrel (501RB)

  • Catalogue No.:PA BP501RB

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PAI 12 010010

Levonorgestrel 3-Ethyldienol Ether

  • Catalogue No.:PAI 12 010010

  • CAS :

    24908-87-0

  • Molecular Formula : C23H32O2

  • Molecular Weight : 340.51

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Drug Reference Standards & Impurity Synthesis in India
PAI 12 010020

(13S,17R)-6-Bromo-13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one

  • Catalogue No.:PAI 12 010020

  • CAS :

    NA

  • Molecular Formula : C21H27BrO2

  • Molecular Weight : 391.35

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Drug Reference Standards & Impurity Synthesis in India
PA 12 14530

1(10)-Dehydro-4(5)-dihydro D-(-)-Norgestrel

1(10)-Dehydro-4(5)-dihydro D-(-)-Norgestrel

  • Catalogue No.:PA 12 14530

  • CAS :

    NA

  • Molecular Formula : C21H28O2

  • Molecular Weight : 312.45

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Drug Reference Standards & Impurity Synthesis in India
PA 12 0140090

Levonorgestrel - Impurity I

10-Hydroxylevonorgestrel

  • Catalogue No.:PA 12 0140090

  • CAS :

    20402-62-4

  • Molecular Formula : C21H28O3

  • Molecular Weight : 328.45

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Drug Reference Standards & Impurity Synthesis in India
PA 12 0141001

10β-Hydroxy D-(-)-Norgestrel

10β-Hydroxy D-(-)-Norgestrel

  • Catalogue No.:PA 12 0141001

  • CAS :

    21508-50-9

  • Molecular Formula : C21H28O3

  • Molecular Weight : 328.45

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Drug Reference Standards & Impurity Synthesis in India
PA 12 0141002

Dextronorgestrel

Dextronorgestrel

  • Catalogue No.:PA 12 0141002

  • CAS :

    797-64-8

  • Molecular Formula : C21H28O2

  • Molecular Weight : 312.45

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Drug Reference Standards & Impurity Synthesis in India
PA IPRS 30 20

Levonorgestrel (IPRS/30/20)-from IPC

Levonorgestrel (IPRS/30/20)-from IPC

  • Catalogue No.:PA IPRS 30 20

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA 12 0141003

D-(-)-Norgestrel Sulfate Sodium Salt

D-(-)-Norgestrel Sulfate Sodium Salt

  • Catalogue No.:PA 12 0141003

  • CAS :

    1259126-61-8

  • Molecular Formula : C21H27NaO5S

  • Molecular Weight : 414.49

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Drug Reference Standards & Impurity Synthesis in India
PA 12 0141004

Ethylmetrienone

Ethylmetrienone

  • Catalogue No.:PA 12 0141004

  • CAS :

    848-04-4

  • Molecular Formula : C20H26O2

  • Molecular Weight : 298.43

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Drug Reference Standards & Impurity Synthesis in India
PA IPRSL051

Levonorgestrel (IPRSL051)

Levonorgestrel (IPRSL051)

  • Catalogue No.:PA IPRSL051

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA 12 0141005

(8R,9S,10R,13S,14S,17S)-13-Ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one

(8R,9S,10R,13S,14S,17S)-13-Ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one

  • Catalogue No.:PA 12 0141005

  • CAS :

    178737-52-5

  • Molecular Formula : C21H28O2

  • Molecular Weight : 312.45

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Drug Reference Standards & Impurity Synthesis in India
PA 12 0141006

6-Hydroxy Levonorgestrel 

6-Hydroxy Levonorgestrel

  • Catalogue No.:PA 12 0141006

  • CAS :

    1458616-80-2

  • Molecular Formula : C20H26O3

  • Molecular Weight : 314.43

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Drug Reference Standards & Impurity Synthesis in India
PA 12 0141007

5alpha-Dihydrolevonorgestrel

5alpha-Dihydrolevonorgestrel

  • Catalogue No.:PA 12 0141007

  • CAS :

    78088-19-4

  • Molecular Formula : C21H30O2

  • Molecular Weight : 314.47

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Drug Reference Standards & Impurity Synthesis in India
PA 12 0141008

Delta-6,8(14)-Levonorgestrel

Delta-6,8(14)-Levonorgestrel

  • Catalogue No.:PA 12 0141008

  • CAS :

    93798-38-0

  • Molecular Formula : C21H24O2

  • Molecular Weight : 308.42

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Drug Reference Standards & Impurity Synthesis in India
PA 12 0141009

(5S,8R,9S,13S,14S,17R)-13-Ethyl-17-ethynyl-17-hydroxy-2,4,5,6,7,8,9,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one

(5S,8R,9S,13S,14S,17R)-13-Ethyl-17-ethynyl-17-hydroxy-2,4,5,6,7,8,9,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one

  • Catalogue No.:PA 12 0141009

  • CAS :

    NA

  • Molecular Formula : C21H28O2

  • Molecular Weight : 312.45

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