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.


1-((4-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)butanoyl)oxy)-2,5-dioxopyrrolidine-3-sulfonic acid
1-((4-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)butanoyl)oxy)-2,5-dioxopyrrolidine-3-sulfonic acid
Catalogue No.:PA 27 0030972
CAS :
158018-81-6
Molecular Formula : C12H12N2O9S
Molecular Weight : 360.29


Perfluorophenyl 1-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3-oxo-7,10,13,16,19,22-hexaoxa-4-azapentacosan-25-oate
Perfluorophenyl 1-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3-oxo-7,10,13,16,19,22-hexaoxa-4-azapentacosan-25-oate
Catalogue No.:PA 27 0030981
CAS :
1599432-34-4
Molecular Formula : C28H35F5N2O11
Molecular Weight : 670.58


Perfluorophenyl 1-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3,6,9,12,15,18-hexaoxahenicosan-21-oate
Perfluorophenyl 1-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3,6,9,12,15,18-hexaoxahenicosan-21-oate
Catalogue No.:PA 27 0030983
CAS :
1599486-33-5
Molecular Formula : C25H30F5NO10
Molecular Weight : 599.5


rel 2,5-Dioxopyrrolidin-1-yl 1-((1R,8S,9s)-bicyclo[6.1.0]non-4-yn-9-yl)-3-oxo-2,7,10,13,16,19,22,25,28-nonaoxa-4-azahentriacontan-31-oate
rel 2,5-Dioxopyrrolidin-1-yl 1-((1R,8S,9s)-bicyclo[6.1.0]non-4-yn-9-yl)-3-oxo-2,7,10,13,16,19,22,25,28-nonaoxa-4-azahentriacontan-31-oate
Catalogue No.:PA 27 0030987
CAS :
1608140-48-2
Molecular Formula : C34H54N2O14
Molecular Weight : 714.81


(2R,3R,4S,5S,6R)-2-(2-(2-(2-(2-azidoethoxy)ethoxy)ethoxy)ethoxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol
(2R,3R,4S,5S,6R)-2-(2-(2-(2-(2-azidoethoxy)ethoxy)ethoxy)ethoxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol
Catalogue No.:PA 27 0030988
CAS :
1609083-15-9
Molecular Formula : C14H27N3O9
Molecular Weight : 381.38


3-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-N-(3,6,9,12-tetraoxapentadec-14-yn-1-yl)propanamide
3-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-N-(3,6,9,12-tetraoxapentadec-14-yn-1-yl)propanamide
Catalogue No.:PA 27 0030989
CAS :
1609651-90-2
Molecular Formula : C18H26N2O7
Molecular Weight : 382.41


2,5-Dioxopyrrolidin-1-yl (Z)-1-(cyclooct-4-en-1-yloxy)-1-oxo-5,8,11,14-tetraoxa-2-azaheptadecan-17-oate
2,5-Dioxopyrrolidin-1-yl (Z)-1-(cyclooct-4-en-1-yloxy)-1-oxo-5,8,11,14-tetraoxa-2-azaheptadecan-17-oate
Catalogue No.:PA 27 0031011
CAS :
1621096-79-4
Molecular Formula : C24H38N2O10
Molecular Weight : 514.57


tert-Butyl ((35-amino-3,6,9,12,15,18,21,24,27,30,33-undecaoxapentatriacontyl)oxy)carbamate
tert-Butyl ((35-amino-3,6,9,12,15,18,21,24,27,30,33-undecaoxapentatriacontyl)oxy)carbamate
Catalogue No.:PA 27 0031155
CAS :
1630094-83-5
Molecular Formula : C29H60N2O14
Molecular Weight : 660.8


(2S,3S,4S,5S,6R)-2-(2-(2-(2-(2-azidoethoxy)ethoxy)ethoxy)ethoxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol
(2S,3S,4S,5S,6R)-2-(2-(2-(2-(2-azidoethoxy)ethoxy)ethoxy)ethoxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol
Catalogue No.:PA 27 0031156
CAS :
1632372-86-1
Molecular Formula : C14H27N3O9
Molecular Weight : 381.38


59-Azido-3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57-nonadecaoxanonapentacontan-1-ol
59-Azido-3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57-nonadecaoxanonapentacontan-1-ol
Catalogue No.:PA 27 0031157
CAS :
1637297-21-2
Molecular Formula : C40H81N3O20
Molecular Weight : 924.09


3-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-N-(2,5,8,11,14,17-hexaoxanonadecan-19-yl)propanamide
3-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-N-(2,5,8,11,14,17-hexaoxanonadecan-19-yl)propanamide
Catalogue No.:PA 27 0031166
CAS :
1644231-07-1
Molecular Formula : C20H34N2O9
Molecular Weight : 446.5


(2S,3R,4R,5R,6R)-6-(Acetoxymethyl)-3-(pent-4-ynamido)tetrahydro-2H-pyran-2,4,5-triyl triacetate
(2S,3R,4R,5R,6R)-6-(Acetoxymethyl)-3-(pent-4-ynamido)tetrahydro-2H-pyran-2,4,5-triyl triacetate
Catalogue No.:PA 27 0031174
CAS :
1673590-09-4
Molecular Formula : C19H25NO10
Molecular Weight : 427.41


2,5-Dioxopyrrolidin-1-yl 1-(4-(1,2,4,5-tetrazin-3-yl)phenyl)-3-oxo-6,9,12,15,18-pentaoxa-2-azahenicosan-21-oate
2,5-Dioxopyrrolidin-1-yl 1-(4-(1,2,4,5-tetrazin-3-yl)phenyl)-3-oxo-6,9,12,15,18-pentaoxa-2-azahenicosan-21-oate
Catalogue No.:PA 27 0031178
CAS :
1682653-80-0
Molecular Formula : C27H36N6O10
Molecular Weight : 604.62


4-((2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)methyl)cyclohexane-1-carbohydrazide hydrochloride
4-((2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)methyl)cyclohexane-1-carbohydrazide hydrochloride
Catalogue No.:PA 27 0031279
CAS :
174422-72-1
Molecular Formula : C12H18ClN3O3
Molecular Weight : 287.74


3-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-N-(2-(2-(2-(2-(4-(6-methyl-1,2,4,5-tetrazin-3-yl)phenoxy)ethoxy)ethoxy)ethoxy)ethyl)propanamide
3-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-N-(2-(2-(2-(2-(4-(6-methyl-1,2,4,5-tetrazin-3-yl)phenoxy)ethoxy)ethoxy)ethoxy)ethyl)propanamide
Catalogue No.:PA 27 0031298
CAS :
1802908-02-6
Molecular Formula : C24H30N6O7
Molecular Weight : 514.54