Melatonin-impurities | Pharmaffiliates

melatonin and its Impurities

Melatonin is most commonly used for insomnia and improving sleep in different conditions. It is also an effective antioxidant. Most of the actions of melatonin are mediated through the binding and activation of melatonin receptors. Reference standards of Melatonin API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 51 results for melatonin Impurities
PA 13 85000

Melatonin - API Standards

Melatonin


  • Catalogue No.:PA 13 85000

  • CAS :

    73-31-4

  • Molecular Formula : C13H16N2O2

  • Molecular Weight : 232.28

PA 13 85510

N-(3-(2-Formamido-5-methoxyphenyl)-3-oxopropyl)acetamide

N-(3-(2-Formamido-5-methoxyphenyl)-3-oxopropyl)acetamide


  • Catalogue No.:PA 13 85510

  • CAS :

    52450-38-1

  • Molecular Formula : C13H16N2O4

  • Molecular Weight : 264.28

PA 13 85520

6-Hydroxy Melatonin

6-Hydroxy Melatonin


  • Catalogue No.:PA 13 85520

  • CAS :

    2208-41-5

  • Molecular Formula : C13H16N2O3

  • Molecular Weight : 248.28

PA 13 85530

Melatonin - Impurity C

2-(5-Methoxy-1H-indol-3-yl)ethan-1-amine


  • Catalogue No.:PA 13 85530

  • CAS :

    608-07-1

  • Molecular Formula : C11H14N2O

  • Molecular Weight : 190.24

PA STI 011640

N-[2-[6-(Benzyloxy)-5-methoxyindol-3-yl]ethyl]acetamide-d4

N-[2-[6-(Benzyloxy)-5-methoxyindol-3-yl]ethyl]acetamide-d4


  • Catalogue No.:PA STI 011640

  • CAS :

    69533-62-6

  • Molecular Formula : C20H18D4N2O3

  • Molecular Weight : 342.42

PA STI 020010

4-Chloro-5-methoxy-1H-indole-d3

4-Chloro-5-methoxy-1H-indole-d3


  • Catalogue No.:PA STI 020010

  • CAS :

    2732861-94-6

  • Molecular Formula : C9H5D3ClNO

  • Molecular Weight : 184.64

PA STI 049640

6-Hydroxy Melatonin-d4 (Major)

6-Hydroxy Melatonin-d4 (Major)


  • Catalogue No.:PA STI 049640

  • CAS :

    69533-61-5

  • Molecular Formula : C13H12D4N2O3

  • Molecular Weight : 252.30

PA STI 058120

Melatonin-d4

Melatonin-d4


  • Catalogue No.:PA STI 058120

  • CAS :

    66521-38-8

  • Molecular Formula : C13H12D4N2O2

  • Molecular Weight : 236.30

PA STI 060070

5-Methoxy-6-(phenylmethoxy)-1H-Indole-3-ethan-α,α,β,β-amine-d4

5-Methoxy-6-(phenylmethoxy)-1H-Indole-3-ethan-α,α,β,β-amine-d4


  • Catalogue No.:PA STI 060070

  • CAS :

    69533-60-4

  • Molecular Formula : C18H16D4N2O2

  • Molecular Weight : 300.39

PA STI 060080

5-Methoxy-α-oxo-6-(phenylmethoxy)-1H-indole-3-acetamide

5-Methoxy-α-oxo-6-(phenylmethoxy)-1H-indole-3-acetamide


  • Catalogue No.:PA STI 060080

  • CAS :

    4790-22-1

  • Molecular Formula : C18H16N2O4

  • Molecular Weight : 324.33

PA STI 080190

6-Sulfatoxy Melatonin-d4 (Major) Sodium Salt

6-Sulfatoxy Melatonin-d4 (Major) Sodium Salt


  • Catalogue No.:PA STI 080190

  • CAS :

    NA

  • Molecular Formula : C13H11D4N2NaO6S

  • Molecular Weight : 354.35

PA 13 85540

6-Acetyl-N-caboxylate Melatonin Ethyl Ester

6-Acetyl-N-caboxylate Melatonin Ethyl Ester


  • Catalogue No.:PA 13 85540

  • CAS :

    188397-05-9

  • Molecular Formula : C18H22N2O5

  • Molecular Weight : 346.38

PA 13 85550

Melatonin - Impurity B

N-[2-(5-Hydroxy-1H-indol-3-yl)ethyl]acetamide


  • Catalogue No.:PA 13 85550

  • CAS :

    1210-83-9

  • Molecular Formula : C12H14N2O2

  • Molecular Weight : 218.25

PA 13 85560

N-γ-Acetyl-5-methoxykynurenamine Hydrochloride

N-γ-Acetyl-5-methoxykynurenamine Hydrochloride


  • Catalogue No.:PA 13 85560

  • CAS :

    1215711-91-3

  • Molecular Formula : C12H17ClN2O3

  • Molecular Weight : 272.73

PA 13 85570

N-Acetyltryptamine

N-Acetyltryptamine


  • Catalogue No.:PA 13 85570

  • CAS :

    1016-47-3

  • Molecular Formula : C12H14N2O

  • Molecular Weight : 202.25

PA BP1077RB

melatonin (1077RB)

melatonin (1077RB)


  • Catalogue No.:PA BP1077RB

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1380105

Melatonin (1380105)

Melatonin (1380105)


  • Catalogue No.:PA USP1380105

  • CAS :

    73-31-4

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1380116

Melatonin Related Compound A (2-(5-methoxy-1H-indol-3-yl)ethanamine) (1380116)

Melatonin Related Compound A (2-(5-methoxy-1H-indol-3-yl)ethanamine) (1380116)


  • Catalogue No.:PA USP1380116

  • CAS :

    608-07-1

  • Molecular Formula : NA

  • Molecular Weight : NA

PA 13 85580

6-Sulfatoxy Melatonin Sodium Salt

6-Sulfatoxy Melatonin Sodium Salt


  • Catalogue No.:PA 13 85580

  • CAS :

    76290-78-3

  • Molecular Formula : C13H15N2NaO6S

  • Molecular Weight : 350.32

PA 13 0851000

Luzindole

Luzindole


  • Catalogue No.:PA 13 0851000

  • CAS :

    117946-91-5

  • Molecular Formula : C19H20N2O

  • Molecular Weight : 292.38

PA 13 0851002

Melatonin Dimer

Melatonin Dimer


  • Catalogue No.:PA 13 0851002

  • CAS :

    NA

  • Molecular Formula : C26H30N4O4

  • Molecular Weight : 462.55

PA 13 0851001

2-Hydroxymelatonin

2-Hydroxymelatonin


  • Catalogue No.:PA 13 0851001

  • CAS :

    229018-17-1

  • Molecular Formula : C13H16N2O3

  • Molecular Weight : 248.28

PA 13 0851003

2-(4-Methoxy-1H-indol-3-yl)ethanamine

2-(4-Methoxy-1H-indol-3-yl)ethanamine


  • Catalogue No.:PA 13 0851003

  • CAS :

    3610-35-3

  • Molecular Formula : C11H14N2O

  • Molecular Weight : 190.25

PA 13 0851004

6-Methoxytryptamine

6-Methoxytryptamine


  • Catalogue No.:PA 13 0851004

  • CAS :

    3610-36-4

  • Molecular Formula : C11H14N2O

  • Molecular Weight : 190.25

PA 13 0851005

7-Methoxytryptamine

7-Methoxytryptamine


  • Catalogue No.:PA 13 0851005

  • CAS :

    2436-04-6

  • Molecular Formula : C11H14N2O

  • Molecular Weight : 190.25

PA 13 0851006

3-Carbethoxy-2-piperidone

3-Carbethoxy-2-piperidone


  • Catalogue No.:PA 13 0851006

  • CAS :

    3731-16-6

  • Molecular Formula : C8H13NO3

  • Molecular Weight : 171.2

PA 13 0851008

7-Hydroxymelatonin

7-Hydroxymelatonin


  • Catalogue No.:PA 13 0851008

  • CAS :

    NA

  • Molecular Formula : C13H16N2O3

  • Molecular Weight : 248.28

PA 13 0851007

Cyclic 3-Hydroxymelatonin

Cyclic 3-Hydroxymelatonin


  • Catalogue No.:PA 13 0851007

  • CAS :

    67199-08-0

  • Molecular Formula : C13H16N2O3

  • Molecular Weight : 248.28

PAI 13 085001

N-Carboxylate Melatonin Ethyl Ester

N-Carboxylate Melatonin Ethyl Ester


  • Catalogue No.:PAI 13 085001

  • CAS :

    519186-54-0

  • Molecular Formula : C16H20N2O4

  • Molecular Weight : 304.35

PAI 13 085002

N-Carboxylate-6-acetyloxy Melatonin Ethyl Ester

N-Carboxylate-6-acetyloxy Melatonin Ethyl Ester


  • Catalogue No.:PAI 13 085002

  • CAS :

    519186-55-1

  • Molecular Formula : C18H22N2O6

  • Molecular Weight : 362.38

PA 13 0851009

4-Hydroxymelatonin

4-Hydroxymelatonin


  • Catalogue No.:PA 13 0851009

  • CAS :

    39998-64-6

  • Molecular Formula : C13H16N2O3

  • Molecular Weight : 248.28

PA 13 0851010

N-(2-(5-Methoxy-1-nitroso-1H-indol-3-yl)ethyl)acetamide

N-(2-(5-Methoxy-1-nitroso-1H-indol-3-yl)ethyl)acetamide


  • Catalogue No.:PA 13 0851010

  • CAS :

    278783-22-5

  • Molecular Formula : C13H15N3O3

  • Molecular Weight : 261.28

PAI 13 085003

4-Benzyloxy-3-methoxybenzaldehyde

4-Benzyloxy-3-methoxybenzaldehyde


  • Catalogue No.:PAI 13 085003

  • CAS :

    2426-87-1

  • Molecular Formula : C15H14O3

  • Molecular Weight : 242.27

PAI 13 085004

4-(Benzyloxy)-5-methoxy-2-nitrobenzaldehyde

4-(Benzyloxy)-5-methoxy-2-nitrobenzaldehyde


  • Catalogue No.:PAI 13 085004

  • CAS :

    2426-84-8

  • Molecular Formula : C15H13NO5

  • Molecular Weight : 287.27

PAI 13 085005

tert-Butyl 3-(2-acetamidoethyl)-5-methoxy-1H-indole-1-carboxylate

tert-Butyl 3-(2-acetamidoethyl)-5-methoxy-1H-indole-1-carboxylate


  • Catalogue No.:PAI 13 085005

  • CAS :

    431074-74-7

  • Molecular Formula : C18H24N2O4

  • Molecular Weight : 332.4

PAI 13 085006

tert-Butyl 3-(2-acetamidoethyl)-5-methoxy-6-nitro-1H-indole-1-carboxylate

tert-Butyl 3-(2-acetamidoethyl)-5-methoxy-6-nitro-1H-indole-1-carboxylate


  • Catalogue No.:PAI 13 085006

  • CAS :

    431074-81-6

  • Molecular Formula : C18H23N3O6

  • Molecular Weight : 377.4

PAI 13 085007

tert-Butyl 3-(2-acetamidoethyl)-6-amino-5-methoxy-1H-indole-1-carboxylate

tert-Butyl 3-(2-acetamidoethyl)-6-amino-5-methoxy-1H-indole-1-carboxylate


  • Catalogue No.:PAI 13 085007

  • CAS :

    NA

  • Molecular Formula : C18H25N3O4

  • Molecular Weight : 347.42

PA 13 0850010

Melatonin - Impurity A

3-(2-Aminoethyl)-1H-indol-5-ol


  • Catalogue No.:PA 13 0850010

  • CAS :

    50-67-9

  • Molecular Formula : C10H12N2O

  • Molecular Weight : 176.22

PA 13 0850040

Melatonin - Impurity D

3-(2-Acetamidoethyl)-1H-indol-5-yl Acetate


  • Catalogue No.:PA 13 0850040

  • CAS :

    28026-16-6

  • Molecular Formula : C14H16N2O3

  • Molecular Weight : 260.29

PA 13 0851011

7-Methoxytryptamine Hydrochloride

7-Methoxytryptamine Hydrochloride


  • Catalogue No.:PA 13 0851011

  • CAS :

    112496-59-0 -1

  • Molecular Formula : C11H15ClN2O

  • Molecular Weight : 226.7

PA 13 0851012

2-(4-Methoxy-1H-indol-3-yl)ethan-1-amine Hydrochloride

2-(4-Methoxy-1H-indol-3-yl)ethan-1-amine Hydrochloride


  • Catalogue No.:PA 13 0851012

  • CAS :

    74217-56-4

  • Molecular Formula : C11H15ClN2O

  • Molecular Weight : 226.7

PAI 13 085008

N-(2-(6-Acetyl-5-methoxy-1H-indol-3-yl)ethyl)acetamide

N-(2-(6-Acetyl-5-methoxy-1H-indol-3-yl)ethyl)acetamide


  • Catalogue No.:PAI 13 085008

  • CAS :

    188397-04-8

  • Molecular Formula : C15H18N2O3

  • Molecular Weight : 274.32

PAI 13 085009

tert-Butyl 3-(2-acetamidoethyl)-6-acetyl-5-methoxy-1H-indole-1-carboxylate

tert-Butyl 3-(2-acetamidoethyl)-6-acetyl-5-methoxy-1H-indole-1-carboxylate


  • Catalogue No.:PAI 13 085009

  • CAS :

    NA

  • Molecular Formula : C20H26N2O5

  • Molecular Weight : 374.44

PAI 13 085010

tert-Butyl 3-(2-acetamidoethyl)-6-acetoxy-5-methoxy-1H-indole-1-carboxylate

tert-Butyl 3-(2-acetamidoethyl)-6-acetoxy-5-methoxy-1H-indole-1-carboxylate


  • Catalogue No.:PAI 13 085010

  • CAS :

    NA

  • Molecular Formula : C20H26N2O6

  • Molecular Weight : 390.44

PAI 13 085011

tert-Butyl 3-(2-acetamidoethyl)-6-hydroxy-5-methoxy-1H-indole-1-carboxylate

tert-Butyl 3-(2-acetamidoethyl)-6-hydroxy-5-methoxy-1H-indole-1-carboxylate


  • Catalogue No.:PAI 13 085011

  • CAS :

    NA

  • Molecular Formula : C18H24N2O5

  • Molecular Weight : 348.4

PAI 13 085012

3-(2-(Benzylamino)ethyl)-1H-indol-5-ol

3-(2-(Benzylamino)ethyl)-1H-indol-5-ol


  • Catalogue No.:PAI 13 085012

  • CAS :

    1146969-25-6

  • Molecular Formula : C17H18N2O

  • Molecular Weight : 266.34

PAI 13 085013

3-(2-(Dibenzylamino)ethyl)-1H-indol-5-ol

3-(2-(Dibenzylamino)ethyl)-1H-indol-5-ol


  • Catalogue No.:PAI 13 085013

  • CAS :

    2734798-20-8

  • Molecular Formula : C24H24N2O

  • Molecular Weight : 356.47

PA STI 089516

N-(2-(5-Methoxy-1-nitroso-1H-indol-3-yl)ethyl-1,1,2,2-d4)acetamide

N-(2-(5-Methoxy-1-nitroso-1H-indol-3-yl)ethyl-1,1,2,2-d4)acetamide


  • Catalogue No.:PA STI 089516

  • CAS :

    NA

  • Molecular Formula : C13H11D4N3O3

  • Molecular Weight : 265.31

PA 13 0851013

N-(2-(5-Methoxy-2-oxoindolin-3-yl)ethyl)acetamide

N-(2-(5-Methoxy-2-oxoindolin-3-yl)ethyl)acetamide


  • Catalogue No.:PA 13 0851013

  • CAS :

    188397-16-2

  • Molecular Formula : C13H16N2O3

  • Molecular Weight : 248.28

PA 13 0851014

5-Methoxyindole-3-acetonitrile

5-Methoxyindole-3-acetonitrile


  • Catalogue No.:PA 13 0851014

  • CAS :

    2436-17-1

  • Molecular Formula : C11H10N2O

  • Molecular Weight : 186.21

PA 13 0850031

Melatonin - Impurity C (Hydrochloride Salt)

2-(5-Methoxy-1H-indol-3-yl)ethan-1-amine Hydrochloride


  • Catalogue No.:PA 13 0850031

  • CAS :

    66-83-1

  • Molecular Formula : C11H15ClN2O

  • Molecular Weight : 226.7