ramelteon and its Impurities

A selective melatonin receptor (MT1 and MT2) agonist, Ramelteon is a sleep agent. Used for treating insomnia. It is a sleep-promoting medication that does not have a direct sedating effect.Reference standards of Ramelteon API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 46 results for ramelteon Impurities
PA 18 33000

Ramelteon

Ramelteon

  • Catalogue No.:PA 18 33000

  • CAS :

    196597-26-9

  • Molecular Formula : C16H21NO2

  • Molecular Weight : 259.34

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PA 18 33510

4-Acetyl Ramelteon

4-Acetyl Ramelteon

  • Catalogue No.:PA 18 33510

  • CAS :

    1346598-94-4

  • Molecular Formula : C18H23NO3

  • Molecular Weight : 301.38

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PA 18 33520

(E)-2-(6,7-Dihydro-1H-indeno[5,4-b]furan-8(2H)-ylidene)acetonitrile

(E)-2-(6,7-Dihydro-1H-indeno[5,4-b]furan-8(2H)-ylidene)acetonitrile

  • Catalogue No.:PA 18 33520

  • CAS :

    196597-79-2

  • Molecular Formula : C13H11NO

  • Molecular Weight : 197.23

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PA 18 33530

2-[(8S)-2,6,7,8-Tetrahydro-1H-cyclopenta[e][1]benzofuran-8-yl]ethanamine Hydrochloride

2-[(8S)-2,6,7,8-Tetrahydro-1H-cyclopenta[e][1]benzofuran-8-yl]ethanamine Hydrochloride

  • Catalogue No.:PA 18 33530

  • CAS :

    196597-80-5

  • Molecular Formula : C13H18ClNO

  • Molecular Weight : 239.74

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PA 18 33540

(R)-Ramelteon

(R)-Ramelteon

  • Catalogue No.:PA 18 33540

  • CAS :

    196597-27-0

  • Molecular Formula : C16H21NO2

  • Molecular Weight : 259.34

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PA STI 077110

rac Ramelteon-d3

rac Ramelteon-d3

  • Catalogue No.:PA STI 077110

  • CAS :

    1185146-24-0

  • Molecular Formula : C16H18D3NO2

  • Molecular Weight : 262.36

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PA STI 077120

Ramelteon Metabolite M-II-d3 (mixture of R and S at the hydroxy position)

Ramelteon Metabolite M-II-d3 (mixture of R and S at the hydroxy position)

  • Catalogue No.:PA STI 077120

  • CAS :

    1246812-22-5

  • Molecular Formula : C16H18D3NO3

  • Molecular Weight : 278.36

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PA 18 33550

(S)-N-[2-[7-Allyl-5-bromo-6-benzyloxy-2,3-dihydro-1H-inden-1-yl]ethyl]propanamide

(S)-N-[2-[7-Allyl-5-bromo-6-benzyloxy-2,3-dihydro-1H-inden-1-yl]ethyl]propanamide

  • Catalogue No.:PA 18 33550

  • CAS :

    1246820-29-0

  • Molecular Formula : C24H28BrNO2

  • Molecular Weight : 442.39

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PA 18 33560

(S)-N-[2-[7-Allyl-5-bromo-2,3-dihydro-6-hydroxy-1H-inden-1-yl]ethyl]propanamide

(S)-N-[2-[7-Allyl-5-bromo-2,3-dihydro-6-hydroxy-1H-inden-1-yl]ethyl]propanamide

  • Catalogue No.:PA 18 33560

  • CAS :

    196597-86-1

  • Molecular Formula : C17H22BrNO2

  • Molecular Weight : 352.27

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PA 18 33570

(S)-N-[2-[6-Allyloxy-5-bromo-2,3-dihydro-1H-inden-1-yl]ethyl]propanamide

(S)-N-[2-[6-Allyloxy-5-bromo-2,3-dihydro-1H-inden-1-yl]ethyl]propanamide

  • Catalogue No.:PA 18 33570

  • CAS :

    1246820-28-9

  • Molecular Formula : C16H20BrNO2

  • Molecular Weight : 338.24

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PA 18 33580

Ramelteon Metabolite M-II (mixture of R and S at the hydroxy position)

Ramelteon Metabolite M-II (mixture of R and S at the hydroxy position)

  • Catalogue No.:PA 18 33580

  • CAS :

    896736-21-3

  • Molecular Formula : C16H21NO3

  • Molecular Weight : 275.34

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PA STI 077121

Ramelteon-d5

Ramelteon-d5

  • Catalogue No.:PA STI 077121

  • CAS :

    1134159-63-9

  • Molecular Formula : C16H16D5NO2

  • Molecular Weight : 264.38

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PA 18 0331000

(1,2,6,7,-Tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)acetonitrile

(1,2,6,7,-Tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)acetonitrile

  • Catalogue No.:PA 18 0331000

  • CAS :

    221530-44-5

  • Molecular Formula : C13H11NO

  • Molecular Weight : 197.24

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PA 18 0331001

rac-2,3-Dihydro-6-methoxy-1H-indene-1-ethanamine

rac-2,3-Dihydro-6-methoxy-1H-indene-1-ethanamine

  • Catalogue No.:PA 18 0331001

  • CAS :

    108048-37-9

  • Molecular Formula : C12H17NO

  • Molecular Weight : 191.27

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PA 18 0331002

(S)-N-(2-(1,6,7,8-tetrahydro-2H-indeno[5,4-b]furan-8-yl)ethyl)isobutyramide

(S)-N-(2-(1,6,7,8-tetrahydro-2H-indeno[5,4-b]furan-8-yl)ethyl)isobutyramide

  • Catalogue No.:PA 18 0331002

  • CAS :

    880152-61-4

  • Molecular Formula : C17H23NO2

  • Molecular Weight : 273.38

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PA 18 0331003

(S)-2-(1,6,7,8-tetrahydro-2H-indeno[5,4-b] furan-8-yl)acetamide

(S)-2-(1,6,7,8-tetrahydro-2H-indeno[5,4-b] furan-8-yl)acetamide

  • Catalogue No.:PA 18 0331003

  • CAS :

    221530-38-7

  • Molecular Formula : C13H15NO2

  • Molecular Weight : 217.27

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PA 18 0331004

4-Hydroxy Ramelteon

4-Hydroxy Ramelteon

  • Catalogue No.:PA 18 0331004

  • CAS :

    1204581-50-9

  • Molecular Formula : C16H21NO3

  • Molecular Weight : 275.35

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PA 18 0331005

Bis(2-((S)-1,6,7,8-tetrahydro-2H-indeno[5,4-b]furan-8-yl)ethyl)amine

Bis(2-((S)-1,6,7,8-tetrahydro-2H-indeno[5,4-b]furan-8-yl)ethyl)amine

  • Catalogue No.:PA 18 0331005

  • CAS :

    NA

  • Molecular Formula : C26H31NO2

  • Molecular Weight : 389.54

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PA 18 0331006

2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-yl)acetic acid

2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-yl)acetic acid

  • Catalogue No.:PA 18 0331006

  • CAS :

    1092507-01-1

  • Molecular Formula : C13H14O3

  • Molecular Weight : 218.25

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PA 18 0331007

(S)-2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-yl)acetonitrile

(S)-2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-yl)acetonitrile

  • Catalogue No.:PA 18 0331007

  • CAS :

    1185516-79-3

  • Molecular Formula : C13H13NO

  • Molecular Weight : 199.25

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PA 18 0331008

(S)-2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-yl)acetic acid

(S)-2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-yl)acetic acid

  • Catalogue No.:PA 18 0331008

  • CAS :

    1092507-02-2

  • Molecular Formula : C13H14O3

  • Molecular Weight : 218.25

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PA 18 0331009

(R)-2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-yl)acetonitrile

(R)-2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-yl)acetonitrile

  • Catalogue No.:PA 18 0331009

  • CAS :

    1221160-66-2

  • Molecular Formula : C13H13NO

  • Molecular Weight : 199.25

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PA 18 0331010

2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-yl)acetamide

2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-yl)acetamide

  • Catalogue No.:PA 18 0331010

  • CAS :

    1053239-38-5

  • Molecular Formula : C13H15NO2

  • Molecular Weight : 217.27

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PA 18 0331011

(R)-2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-yl)acetamide

(R)-2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-yl)acetamide

  • Catalogue No.:PA 18 0331011

  • CAS :

    1246216-45-4

  • Molecular Formula : C13H15NO2

  • Molecular Weight : 217.27

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PA 18 0331012

N-(2-(7,8-Dihydro-6H-indeno[5,4-b]furan-8-yl)ethyl)propionamide

N-(2-(7,8-Dihydro-6H-indeno[5,4-b]furan-8-yl)ethyl)propionamide

  • Catalogue No.:PA 18 0331012

  • CAS :

    1252018-55-5

  • Molecular Formula : C16H19NO2

  • Molecular Weight : 257.33

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PA 18 0331013

Methyl (S)-2-(1,6,7,8-tetrahydro-2H-indeno[5,4-b]furan-8-yl)acetate

Methyl (S)-2-(1,6,7,8-tetrahydro-2H-indeno[5,4-b]furan-8-yl)acetate

  • Catalogue No.:PA 18 0331013

  • CAS :

    1356395-13-5

  • Molecular Formula : C14H16O3

  • Molecular Weight : 232.28

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PA 18 0331014

(S)-4-Phenyl-3-(2-((S)-1,6,7,8-tetrahydro-2H-indeno[5,4-b]furan-8-yl)acetyl)oxazolidin-2-one

(S)-4-Phenyl-3-(2-((S)-1,6,7,8-tetrahydro-2H-indeno[5,4-b]furan-8-yl)acetyl)oxazolidin-2-one

  • Catalogue No.:PA 18 0331014

  • CAS :

    1149757-30-1

  • Molecular Formula : C22H21NO4

  • Molecular Weight : 363.41

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PA 18 0331015

(S)-N-(2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-yl)ethyl)acetamide

(S)-N-(2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-yl)ethyl)acetamide

  • Catalogue No.:PA 18 0331015

  • CAS :

    326793-94-6

  • Molecular Formula : C15H19NO2

  • Molecular Weight : 245.32

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PA 18 0331016

(S,E)-4-Phenyl-3-(2-(1,2,6,7-tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)acetyl)oxazolidin-2-one

(S,E)-4-Phenyl-3-(2-(1,2,6,7-tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)acetyl)oxazolidin-2-one

  • Catalogue No.:PA 18 0331016

  • CAS :

    1149757-29-8

  • Molecular Formula : C22H19NO4

  • Molecular Weight : 361.4

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PA 18 0331017

2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-yl)ethan-1-amine hydrochloride

2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-yl)ethan-1-amine hydrochloride

  • Catalogue No.:PA 18 0331017

  • CAS :

    1053239-39-6

  • Molecular Formula : C13H18ClNO

  • Molecular Weight : 239.74

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PA 18 0331018

Ramelteon Ene Amine Amide

Ramelteon Ene Amine Amide

  • Catalogue No.:PA 18 0331018

  • CAS :

    882434-87-9

  • Molecular Formula : C16H19NO2

  • Molecular Weight : 257.33

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PA 18 0331019

N,N-Bis(2-((S)-1,6,7,8-tetrahydro-2H-indeno[5,4-b]furan-8-yl)ethyl)propionamide

N,N-Bis(2-((S)-1,6,7,8-tetrahydro-2H-indeno[5,4-b]furan-8-yl)ethyl)propionamide

  • Catalogue No.:PA 18 0331019

  • CAS :

    1221160-67-3

  • Molecular Formula : C29H35NO3

  • Molecular Weight : 445.6

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PA 18 0331020

N,N'-(((8S,8'S)-1,1',6,6',7,7',8,8'-Octahydro-2H,2'H-[4,6'-biindeno[5,4-b]furan]-8,8'-diyl)bis(ethane-2,1-diyl))dipropionamide

N,N'-(((8S,8'S)-1,1',6,6',7,7',8,8'-Octahydro-2H,2'H-[4,6'-biindeno[5,4-b]furan]-8,8'-diyl)bis(ethane-2,1-diyl))dipropionamide

  • Catalogue No.:PA 18 0331020

  • CAS :

    880152-63-6

  • Molecular Formula : C32H40N2O4

  • Molecular Weight : 516.68

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PA 18 0331021

 (R)-2-(1,6,7,8-Tetrahydro-2H-Indeno[5,4-b]Furan-8-yl)Acetic Acid

(R)-2-(1,6,7,8-Tetrahydro-2H-Indeno[5,4-b]Furan-8-yl)Acetic Acid

  • Catalogue No.:PA 18 0331021

  • CAS :

    1092507-03-3

  • Molecular Formula : C13H14O3

  • Molecular Weight : 218.25

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PA 18 0331022

2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-yl)Acetonitrile

2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-yl)Acetonitrile

  • Catalogue No.:PA 18 0331022

  • CAS :

    1217272-33-7

  • Molecular Formula : C13H13NO

  • Molecular Weight : 199.25

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PA 18 0331023

Bis(2-(1,6,7,8-tetrahydro-2H-indeno[5,4-b]furan-8-yl)ethyl)amine

Bis(2-(1,6,7,8-tetrahydro-2H-indeno[5,4-b]furan-8-yl)ethyl)amine

  • Catalogue No.:PA 18 0331023

  • CAS :

    1365920-38-2

  • Molecular Formula : C26H31NO2

  • Molecular Weight : 389.54

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PA 18 0331024

2-(7,8-Dihydro-6H-indeno[5,4-b]furan-8-yl)ethan-1-amine

2-(7,8-Dihydro-6H-indeno[5,4-b]furan-8-yl)ethan-1-amine

  • Catalogue No.:PA 18 0331024

  • CAS :

    1092484-10-0

  • Molecular Formula : C13H15NO

  • Molecular Weight : 201.27

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PA 18 0331025

N-(2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-yl)ethyl)acetamide

N-(2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-yl)ethyl)acetamide

  • Catalogue No.:PA 18 0331025

  • CAS :

    196597-16-7

  • Molecular Formula : C15H19NO2

  • Molecular Weight : 245.32

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PA 18 0331026

N-(2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-yl)ethyl)isobutyramide

N-(2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-yl)ethyl)isobutyramide

  • Catalogue No.:PA 18 0331026

  • CAS :

    2517684-01-2

  • Molecular Formula : C17H23NO2

  • Molecular Weight : 273.38

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PA 18 0331027

N-(2-(1,6-Dihydro-2H-indeno[5,4-b]furan-8-yl)ethyl)propionamide

N-(2-(1,6-Dihydro-2H-indeno[5,4-b]furan-8-yl)ethyl)propionamide

  • Catalogue No.:PA 18 0331027

  • CAS :

    196597-30-5

  • Molecular Formula : C16H19NO2

  • Molecular Weight : 257.33

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PA 18 0331028

N-(2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-yl)ethyl)propionamide

N-(2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-yl)ethyl)propionamide

  • Catalogue No.:PA 18 0331028

  • CAS :

    196597-17-8

  • Molecular Formula : C16H21NO2

  • Molecular Weight : 259.35

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PA 18 0331029

(S)-2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-yl)ethan-1-amine

(S)-2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-yl)ethan-1-amine

  • Catalogue No.:PA 18 0331029

  • CAS :

    196597-81-6

  • Molecular Formula : C13H17NO

  • Molecular Weight : 203.29

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PA 18 0331030

2,3-Dihydro-1H-indene-1,3-dicarboxaldehyde

2,3-Dihydro-1H-indene-1,3-dicarboxaldehyde

  • Catalogue No.:PA 18 0331030

  • CAS :

    1186391-64-9

  • Molecular Formula : C11H10O2

  • Molecular Weight : 174.2

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PA 18 0331031

(E)-2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-ylidene)ethylamine

(E)-2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-ylidene)ethylamine

  • Catalogue No.:PA 18 0331031

  • CAS :

    196597-61-2

  • Molecular Formula : C13H15NO

  • Molecular Weight : 201.27

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PA 18 0331032

(R)-2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-yl)ethan-1-amine Hydrochloride

(R)-2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-yl)ethan-1-amine Hydrochloride

  • Catalogue No.:PA 18 0331032

  • CAS :

    1174496-11-7

  • Molecular Formula : C13H18ClNO

  • Molecular Weight : 239.74

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PA 18 0331033

N-Nitroso Ramelteon

N-Nitroso Ramelteon

  • Catalogue No.:PA 18 0331033

  • CAS :

    NA

  • Molecular Formula : C16H20N2O3

  • Molecular Weight : 288.35

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