Ramelteon Isobutyryl analog (U2)
![](https://kemiezen.com/wp-content/uploads/2023/07/RAM-ACETYL-IMP-02.png?v=1688554732)
CAS No :
880152-61-4
Molecular Formula:
C17H23NO2
Molecular Weight:
273.38
Chemical Name:
(S)-N-(2-(1,6,7,8-tetrahydro-2H-indeno[5,4-b]furan-8-yl)ethyl)isobutyramide
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Ramelteon Degradation product by oxidation (D1)
![](https://kemiezen.com/wp-content/uploads/2023/07/RAM-ACETYL-IMP-03.png?v=1688554922)
CAS No: 896736-22-4
Molecular Formula: C₁₆H₁₉NO₃
Molecular Weight: 273.33
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Ramelteon Chiral amide impurity
![](https://kemiezen.com/wp-content/uploads/2023/07/RAM-ACETYL-IMP-05.png?v=1688555323)
CAS No: 1149757-30-1
Molecular Formula: C22H21NO4
Molecular Weight: 363.41
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Ramelteon Methyl ester impurity
![](https://kemiezen.com/wp-content/uploads/2023/07/RAM-ACETYL-IMP-04.png?v=1688555112)
CAS No: 1356395-13-5
Molecular Formula: C14H16O3
Molecular Weight: 232.28
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Ramelteon Acetonitrile impurity
![](https://kemiezen.com/wp-content/uploads/2023/07/RAM-ACETONITRIL.png?v=1688553907)
CAS No: 1185516-79-3
Molecular Formula: C13H13NO
Molecular Weight: 199.25
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Ramelteon R isomer
![](https://kemiezen.com/wp-content/uploads/2023/07/RAM-ACETYL-IMP-06.png?v=1688555661)
CAS No: 196597-27-0
Molecular Formula: C₁₆H₂₁NO₂
Molecular Weight: 259.34
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Ramelteon Double bond amide
![](https://kemiezen.com/wp-content/uploads/2023/07/RAM-double-bond.png?v=1688556966)
CAS No: NA
Molecular Formula: C22H19NO4
Molecular Weight: 361.13
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Ramelteon Amine impurity
![](https://kemiezen.com/wp-content/uploads/2023/07/RAM-AMINE-IMPURITY.png?v=1688553646)
CAS No: 196597-81-6
Molecular Formula: C13H17NO
Molecular Weight: 203.28
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Ramelteon Working standard
![](https://kemiezen.com/wp-content/uploads/2023/07/RAM.png?v=1688553387)
CAS No: 196597-26-9
Molecular Formula: C₁₆H₂₁NO₂
Molecular Weight: 259.35
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Ramelteon Acetamide impurity
![](https://kemiezen.com/wp-content/uploads/2023/07/RAM-ACETAMIDE.png?v=1688554188)
CAS No: 221530-38-7
Molecular Formula: C13H15NO2
Molecular Weight: 217.27
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