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Categories / Impurity

Impurity Products

Browse available compounds, catalogue references, CAS numbers and technical details from Clearsynth.

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Posaconazole R,R-Isomer chemical structure
Custom Synthesis

Posaconazole R,R-Isomer

CAT No. CS-O-47129
CAS No. 2243786-01-6
Category Impurity
Parent API Posaconazole
Formula C30H35N5O3
Mol. Wt. 513.63
Posaconazole R,S-Isomer chemical structure
Custom Synthesis

Posaconazole R,S-Isomer

CAT No. CS-O-47130
CAS No. 2243786-00-5
Category Impurity
Parent API Posaconazole
Formula C30H35N5O3
Mol. Wt. 513.6
Posaconazole S,R-Isomer chemical structure
Custom Synthesis

Posaconazole S,R-Isomer

CAT No. CS-O-47131
CAS No. 2243786-02-7
Category Impurity
Parent API Posaconazole
Formula C30H35N5O3
Mol. Wt. 513.63
Posaconazole Semicarbazide Analog chemical structure
Custom Synthesis

Posaconazole Semicarbazide Analog

CAT No. CS-O-47836
CAS No.
Category Impurity
Parent API Posaconazole
Formula C36H44F2N8O4
Mol. Wt. 690.78
Posaconazole Succinyl Ester chemical structure
Custom Synthesis

Posaconazole Succinyl Ester

CAT No. CS-T-84371
CAS No. 1488301-79-6
Category Impurity
Parent API Posaconazole
Formula C41H46F2N8O7
Mol. Wt. 800.9
Potassium (S)-3-cyano-5-methylhexanoate chemical structure
Custom Synthesis

Potassium (S)-3-cyano-5-methylhexanoate

CAT No. CS-O-42708
CAS No. -
Category Impurity
Parent API Pregabalin
Formula C8H12KNO2
Mol. Wt. 193.28
Potassium 2-(4-chlorobenzamido)-3-(2-oxo-1,2-dihydroquinolin-4-yl)propanoate chemical structure
Custom Synthesis

Potassium 2-(4-chlorobenzamido)-3-(2-oxo-1,2-dihydroquinolin-4-yl)propanoate

CAT No. CS-O-52712
CAS No.
Category Impurity
Parent API -
Formula C19H14ClKN2O4
Mol. Wt. 408.88
Potassium 2-(acetylthio)ethanesulfonate chloride chemical structure
Custom Synthesis

Potassium 2-(acetylthio)ethanesulfonate chloride

CAT No. CS-O-45645
CAS No. 2820170-85-0
Category Impurity
Parent API Mesna
Formula C4H7ClK2O4S2
Mol. Wt. 296.88
Potassium Clavulanate EP Impurity G Enantiomer chemical structure
Custom Synthesis

Potassium Clavulanate EP Impurity G Enantiomer

CAT No. CS-O-56467
CAS No. 887256-29-3
Category Impurity
Parent API Clavulanic Acid
Formula C13H15NO6
Mol. Wt. 281.26
Povidone EP Impurity A chemical structure
Custom Synthesis

Povidone EP Impurity A

CAT No. CS-O-13445
CAS No. 88-12-0
Category Impurity
Parent API Povidone
Formula C6H9NO
Mol. Wt. 111.14
PPA impurity of Eszopiclone chemical structure
Custom Synthesis

PPA impurity of Eszopiclone

CAT No. CS-O-14376
CAS No. 2514668-36-9
Category Impurity
Parent API Zopiclone
Formula -
Mol. Wt. -
p-pyromellitide chemical structure
Custom Synthesis

p-pyromellitide

CAT No. CS-O-40130
CAS No. 16776-76-4
Category Impurity
Parent API
Formula C10H6O4
Mol. Wt. 190.15
Pralatrexate Impurity 3 chemical structure
Custom Synthesis

Pralatrexate Impurity 3

CAT No. CS-O-39258
CAS No. 309722-11-0
Category Impurity
Parent API Pralatrexate
Formula C20H21N7O5
Mol. Wt. 439.42
Pralatrexate Impurity 9 chemical structure
Custom Synthesis

Pralatrexate Impurity 9

CAT No. CS-EO-01637
CAS No. 1548618-61-6
Category Impurity
Parent API Pralatrexate
Formula C23H22N6O6
Mol. Wt. 478.5
Pralidoxime anti-isomer impurity chemical structure
Custom Synthesis

Pralidoxime anti-isomer impurity

CAT No. CS-O-16797
CAS No. 13698-37-8
Category Impurity
Parent API Pralidoxime
Formula -
Mol. Wt.
Prallethrin-d6(Mixture of diastereomers) chemical structure
Custom Synthesis

Prallethrin-d6(Mixture of diastereomers)

CAT No. CS-T-96192
CAS No.
Category Impurity
Parent API
Formula C19H18D6O3
Mol. Wt. 306.43
Pramipexole Di Hydrochloride impurity C chemical structure
Custom Synthesis

Pramipexole Di Hydrochloride impurity C

CAT No. CS-AQ-00053
CAS No. -
Category Impurity
Parent API Pramipexole
Formula -
Mol. Wt.
Pramipexole Dimer impurity chemical structure
Custom Synthesis

Pramipexole Dimer impurity

CAT No. CS-O-35659
CAS No. 2101847-09-8
Category Impurity
Parent API Pramipexole
Formula C20H32N6S2
Mol. Wt. 420.64
Pramipexole Dimer Impurity C-N chemical structure
Custom Synthesis

Pramipexole Dimer Impurity C-N

CAT No. CS-O-37539
CAS No. 3018121-53-1
Category Impurity
Parent API Pramipexole
Formula C20H32N6S2
Mol. Wt. 420.64
Pramipexole Dipropyl Impurity chemical structure
Custom Synthesis

Pramipexole Dipropyl Impurity

CAT No. CS-O-57894
CAS No.
Category Impurity
Parent API Pramipexole
Formula C13H25N3S
Mol. Wt. 255.42
Pramipexole EP Impurity B HCl salt chemical structure
Custom Synthesis

Pramipexole EP Impurity B HCl salt

CAT No. CS-EO-03773
CAS No. 1246815-83-7 (Freebase)
Category Impurity
Parent API Pramipexole
Formula C13H23N3S : HCl
Mol. Wt. 253.4 : 36.5
Pramipexole Formaldehyde Adduct chemical structure
Custom Synthesis

Pramipexole Formaldehyde Adduct

CAT No. CS-EO-03124
CAS No. -
Category Impurity
Parent API Pramipexole
Formula C11H17N3S
Mol. Wt. 223.34
Pramipexole Impurity 17 chemical structure
Custom Synthesis

Pramipexole Impurity 17

CAT No. CS-EO-01525
CAS No. 1798014-87-5
Category Impurity
Parent API Pramipexole
Formula C10H17N3OS
Mol. Wt. 227.3
Pramipexole Impurity 19 chemical structure
Custom Synthesis

Pramipexole Impurity 19

CAT No. CS-T-93315
CAS No. 1244656-98-1
Category Impurity
Parent API Pramipexole
Formula C20H32N6S2
Mol. Wt. 420.6

Impurity Products at Clearsynth

Browse available Impurity products from Clearsynth. These compounds support analytical research, quality control and pharmaceutical development.

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