miscellaneous and its Impurities
Miscellaneous Chemicals typically refers to a broad and diverse category of chemical substances that don't neatly fit into more specific classifications like commodity chemicals, specialty chemicals, or fine chemicals. Reference standards of Miscellaneous API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


N-[4-[[3-(4-Hydroxy-3-methoxyphenyl)-1-oxo-2-propen-1-yl]amino]butyl]carbamic acid 1,1-dimethylethyl ester
N-[4-[[3-(4-Hydroxy-3-methoxyphenyl)-1-oxo-2-propen-1-yl]amino]butyl]carbamic acid 1,1-dimethylethyl ester
Catalogue No.:PA 27 0021443
CAS :
1208876-43-0
Molecular Formula : C19H28N2O5
Molecular Weight : 364.44

![(R)-2-[(Diethylamino)methyl]-4-[[(1,1-dimethylethy PA 27 0021101](https://pharmaffiliates.com/pimages/PA270021101.jpg)
(R)-2-[(Diethylamino)methyl]-4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-cyclopenten-1-one
(R)-2-[(Diethylamino)methyl]-4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-cyclopenten-1-one
Catalogue No.:PA 27 0021101
CAS :
117254-07-6
Molecular Formula : C16H31NO2Si
Molecular Weight : 297.51


5-(5-((4-Cyclopentylpiperazin-1-yl)sulfonyl)-2-ethoxyphenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one
5-(5-((4-Cyclopentylpiperazin-1-yl)sulfonyl)-2-ethoxyphenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one
Catalogue No.:PA 27 0021111
CAS :
1173706-34-7
Molecular Formula : C26H36N6O4S
Molecular Weight : 528.67

![(2S,3S)-3-[[[(1S)-1-[[(4-Azidobutyl)amino]carbonyl PA 27 0021116](https://pharmaffiliates.com/pimages/PA270021116.jpg)
(2S,3S)-3-[[[(1S)-1-[[(4-Azidobutyl)amino]carbonyl]-3-methylbutyl]amino]carbonyl]-2-oxiranecarboxylic Acid Ethyl Ester
(2S,3S)-3-[[[(1S)-1-[[(4-Azidobutyl)amino]carbonyl]-3-methylbutyl]amino]carbonyl]-2-oxiranecarboxylic Acid Ethyl Ester
Catalogue No.:PA 27 0021116
CAS :
1174021-95-4
Molecular Formula : C16H27N5O5
Molecular Weight : 369.42