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.


(1R,2R,3S,4R,5R)-2-Amino-4,6,6-trimethylbicyclo[3.1.1]heptane-3-carboxylic acid hydrochloride
(1R,2R,3S,4R,5R)-2-Amino-4,6,6-trimethylbicyclo[3.1.1]heptane-3-carboxylic acid hydrochloride
Catalogue No.:PA 27 0014080
CAS :
1000304-35-7
Molecular Formula : C11H20ClNO2
Molecular Weight : 233.73


(1R,2R,3S,4R,5R)-2-Tert-Butoxy-carbonylamino-4,6,6-trimethylbi-cyclo[3.1.1]heptane-3-carboxylic acid
(1R,2R,3S,4R,5R)-2-Tert-Butoxy-carbonylamino-4,6,6-trimethylbi-cyclo[3.1.1]heptane-3-carboxylic acid
Catalogue No.:PA 27 0014081
CAS :
1000304-38-0
Molecular Formula : C16H27NO4
Molecular Weight : 297.39


(1S,2S,3R,4S,5S)-2-Amino-4,6,6-trimethylbicyclo[3.1.1]heptane-3-carboxylic acid hydrochloride
(1S,2S,3R,4S,5S)-2-Amino-4,6,6-trimethylbicyclo[3.1.1]heptane-3-carboxylic acid hydrochloride
Catalogue No.:PA 27 0014083
CAS :
1000304-41-5
Molecular Formula : C11H20ClNO2
Molecular Weight : 233.73

![1-Oxa-7-azaspiro[4.4]nonane-2,6-dione, 8-[[[(1,1-d PA 27 0014155](https://pharmaffiliates.com/pimages/PA270014155.jpg)
1-Oxa-7-azaspiro[4.4]nonane-2,6-dione, 8-[[[(1,1-dimethylethyl)diphenylsilyl]oxy]methyl]-, (5S,8S)-
1-Oxa-7-azaspiro[4.4]nonane-2,6-dione, 8-[[[(1,1-dimethylethyl)diphenylsilyl]oxy]methyl]-, (5S,8S)-
Catalogue No.:PA 27 0014155
CAS :
1000358-60-0
Molecular Formula : C24H29NO4Si
Molecular Weight : 423.58

![1-Oxa-7-azaspiro[4.4]nonan-6-one, 8-[[[(1,1-dimeth PA 27 0014156](https://pharmaffiliates.com/pimages/PA270014156.jpg)
1-Oxa-7-azaspiro[4.4]nonan-6-one, 8-[[[(1,1-dimethylethyl)diphenylsilyl]oxy]methyl]-, (5S,8S)-
1-Oxa-7-azaspiro[4.4]nonan-6-one, 8-[[[(1,1-dimethylethyl)diphenylsilyl]oxy]methyl]-, (5S,8S)-
Catalogue No.:PA 27 0014156
CAS :
1000358-65-5
Molecular Formula : C24H31NO3Si
Molecular Weight : 409.60


3-[3-[4-(4,5-Dihydro-1H-imidazol-1-ium-2-ylamino)phenyl]-3-oxopropyl]-6-methyl-1,3-benzoxazol-2-one iodide
3-[3-[4-(4,5-Dihydro-1H-imidazol-1-ium-2-ylamino)phenyl]-3-oxopropyl]-6-methyl-1,3-benzoxazol-2-one iodide
Catalogue No.:PA 27 0014159
CAS :
100037-06-7
Molecular Formula : C20H21IN4O3
Molecular Weight : 492.31


6-Chloro-3-[3-[4-(4,5-dihydro-1H-imidazol-1-ium-2-ylamino)phenyl]-3-oxopropyl]-1,3-benzoxazol-2-one iodide;
6-Chloro-3-[3-[4-(4,5-dihydro-1H-imidazol-1-ium-2-ylamino)phenyl]-3-oxopropyl]-1,3-benzoxazol-2-one iodide;
Catalogue No.:PA 27 0014160
CAS :
100037-07-8
Molecular Formula : C19H18ClIN4O3
Molecular Weight : 512.73


3-[3-[4-(4,5-Dihydro-1H-imidazol-1-ium-2-ylamino)phenyl]-3-oxopropyl]-6-nitro-1,3-benzoxazol-2-one iodide
3-[3-[4-(4,5-Dihydro-1H-imidazol-1-ium-2-ylamino)phenyl]-3-oxopropyl]-6-nitro-1,3-benzoxazol-2-one iodide
Catalogue No.:PA 27 0014161
CAS :
100037-08-9
Molecular Formula : C19H18IN5O5
Molecular Weight : 523.29