Ramelteon Chiral amide impurity

CAS No :

1149757-30-1

Molecular Formula:

C22H21NO4

Molecular Weight:

363.41

Chemical Name:

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

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Ramelteon Isobutyryl analog (U2)

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Molecular Formula:​ C17H23NO2

Molecular Weight: ​ 273.38

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Ramelteon Amine impurity

CAS No: ​196597-81-6

Molecular Formula:​ C13H17NO

Molecular Weight: ​203.28

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Ramelteon R isomer

CAS No: ​196597-27-0

Molecular Formula:​ C₁₆H₂₁NO₂

Molecular Weight: ​259.34

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Ramelteon Double bond amide

CAS No: ​NA

Molecular Formula:​ C22H19NO4

Molecular Weight: ​361.13

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Ramelteon Acetyl impurity (U1)

CAS No: ​326793-94-6

Molecular Formula:​ C15H19NO2

Molecular Weight: ​ 245.32

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Ramelteon Acetonitrile impurity

CAS No: ​1185516-79-3

Molecular Formula:​ C13H13NO

Molecular Weight: ​199.25

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Ramelteon Acetamide impurity

CAS No: ​221530-38-7

Molecular Formula:​ C13H15NO2

Molecular Weight: ​ 217.27

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Ramelteon Working standard

CAS No: ​196597-26-9

Molecular Formula:​ C₁₆H₂₁NO₂

Molecular Weight: ​259.35

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Ramelteon Methyl ester impurity

CAS No: ​1356395-13-5

Molecular Formula:​ C14H16O3

Molecular Weight: ​ 232.28

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API – Impurities | Specialty Chemicals

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