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Categories / Impurity

Impurity Products

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

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Diltiazem EP Impurity G chemical structure
Custom Synthesis

Diltiazem EP Impurity G

CAT No. CS-O-41196
CAS No. 81353-09-5
Category Impurity
Parent API Diltiazem
Formula C19H22N2O3S
Mol. Wt. 358.45
Diltiazem EP Impurity H chemical structure
Custom Synthesis

Diltiazem EP Impurity H

CAT No. CS-O-15657
CAS No. 115992-91-1
Category Impurity
Parent API Diltiazem
Formula C17H18N2O3S
Mol. Wt. 330.40O=C1[C@H](O)[C@H](C2=CC=C(O)C=C2)SC3=CC=CC=C3N1CCN
Diltiazem Epoxide (2R,3S) Isomers chemical structure
Custom Synthesis

Diltiazem Epoxide (2R,3S) Isomers

CAT No. CS-ED-41726
CAS No. 96125-49-4
Category Impurity
Parent API Diltiazem
Formula C11H12O4
Mol. Wt. 208.2
Diltiazem Epoxide (2S,3R) Isomers chemical structure
Custom Synthesis

Diltiazem Epoxide (2S,3R) Isomers

CAT No. CS-ED-41725
CAS No. 137173-40-1
Category Impurity
Parent API Diltiazem
Formula C11H12O4
Mol. Wt. 208.21
Diltiazem Impurity 2 chemical structure
Custom Synthesis

Diltiazem Impurity 2

CAT No. CS-O-32553
CAS No. 2725627-13-2
Category Impurity
Parent API Diltiazem
Formula C20H19NO4S
Mol. Wt. 369.44
Diltiazem Trans-(-)-Hydroxy Lactam (S,R-isomer) chemical structure
Custom Synthesis

Diltiazem Trans-(-)-Hydroxy Lactam (S,R-isomer)

CAT No. CS-O-65851
CAS No. 132830-16-1
Category Impurity
Parent API Diltiazem
Formula C16H15NO3S
Mol. Wt. 301.4
Diltiazem-2-Epimer O-Desacetyl N-Desdimethylaminoethyl Impurity chemical structure
Custom Synthesis

Diltiazem-2-Epimer O-Desacetyl N-Desdimethylaminoethyl Impurity

CAT No. CS-O-66904
CAS No. 132830-17-2
Category Impurity
Parent API Diltiazem
Formula C16H15NO3S
Mol. Wt. 301.36
Dimenhydrinate EP Impurity D DiHydrochloride chemical structure
Custom Synthesis

Dimenhydrinate EP Impurity D DiHydrochloride

CAT No. CS-P-07758
CAS No. 2212-35-3 (free base)
Category Impurity
Parent API Dimenhydrinate
Formula -
Mol. Wt.
Dimenhydrinate Impurity 3 chemical structure
Custom Synthesis

Dimenhydrinate Impurity 3

CAT No. CS-O-41552
CAS No. -
Category Impurity
Parent API Dimenhydrinate
Formula C24H27N5O3
Mol. Wt. 433.5
Dimenhydrinate Impurity 5 chemical structure
Custom Synthesis

Dimenhydrinate Impurity 5

CAT No. CS-T-21002
CAS No. 33120-34-2
Category Impurity
Parent API Dimenhydrinate
Formula C23H25N5O3
Mol. Wt. 419.5
Dimenhydrinate Impurity D chemical structure
Custom Synthesis

Dimenhydrinate Impurity D

CAT No. CS-T-92560
CAS No. 2718-46-9
Category Impurity
Parent API Dimenhydrinate
Formula C28H36N2O9
Mol. Wt. 544.59
Dimer Methylprednisolone chemical structure
Custom Synthesis

Dimer Methylprednisolone

CAT No. CS-T-93546
CAS No. -
Category Impurity
Parent API Methylprednisolone
Formula C44H58O9
Mol. Wt. 730.93
Dimethandrolone chemical structure
Custom Synthesis

Dimethandrolone

CAT No. CS-O-49570
CAS No. 226066-52-0
Category Impurity
Parent API Testosterone
Formula C20H30O2
Mol. Wt. 302.45
Dimethindene Impurity G chemical structure
Custom Synthesis

Dimethindene Impurity G

CAT No. CS-P-01292
CAS No.
Category Impurity
Parent API
Formula C19H21N
Mol. Wt. 263.39
Dimethoxy Dienogest chemical structure
Custom Synthesis

Dimethoxy Dienogest

CAT No. CS-T-53508
CAS No. 102193-41-9
Category Impurity
Parent API Dienogest
Formula C22H31NO3
Mol. Wt. 357.5
Dimethoxy Impurity Deschloro Amlodipine chemical structure
Custom Synthesis

Dimethoxy Impurity Deschloro Amlodipine

CAT No. CS-O-49151
CAS No. -
Category Impurity
Parent API Amlodipine
Formula C27H26N2O7
Mol. Wt. 490.51
Dimethyl ((S)-2-amino-5-methoxy-5-oxopentanoyl)-L-glutamate chemical structure
Custom Synthesis

Dimethyl ((S)-2-amino-5-methoxy-5-oxopentanoyl)-L-glutamate

CAT No. CS-O-60691
CAS No. 57744-92-0
Category Impurity
Parent API Glutamic acid
Formula C13H22N2O7
Mol. Wt. 318.32
Dimethyl ((S)-4-amino-5-methoxy-5-oxopentanoyl)-L-glutamate chemical structure
Custom Synthesis

Dimethyl ((S)-4-amino-5-methoxy-5-oxopentanoyl)-L-glutamate

CAT No. CS-O-60693
CAS No. 1539311-25-5
Category Impurity
Parent API Glutamic acid
Formula C13H22N2O7
Mol. Wt. 318.32
Dimethyl 2-(4-amino-1-oxoisoindolin-2-yl)pentanedioate chemical structure
Custom Synthesis

Dimethyl 2-(4-amino-1-oxoisoindolin-2-yl)pentanedioate

CAT No. CS-O-39731
CAS No. 1198299-50-1
Category Impurity
Parent API Lenalidomide
Formula C15H18N2O5
Mol. Wt. 306.3
dimethyl 2,2'-disulfanediylbis(3-(4-(2-(5-ethylpyridin-2-yl)ethoxy)phenyl)propanoate) chemical structure
Custom Synthesis

dimethyl 2,2'-disulfanediylbis(3-(4-(2-(5-ethylpyridin-2-yl)ethoxy)phenyl)propanoate)

CAT No. CS-O-49391
CAS No. 1333112-32-5
Category Impurity
Parent API Pioglitazone
Formula C38H44N2O6S2
Mol. Wt. 688.26
dimethyl 4,4'-(1-(5-amino-1-methyl-1H-indol-3-yl)ethane-1,2-diyl)bis(3-methoxybenzoate) chemical structure
Custom Synthesis

dimethyl 4,4'-(1-(5-amino-1-methyl-1H-indol-3-yl)ethane-1,2-diyl)bis(3-methoxybenzoate)

CAT No. CS-O-44327
CAS No.
Category Impurity
Parent API Zafirlukast
Formula C29H30N2O6
Mol. Wt. 502.56
dimethyl 8-hydroxy-2,2,14,14-tetramethylpentadecanedioate chemical structure
Custom Synthesis

dimethyl 8-hydroxy-2,2,14,14-tetramethylpentadecanedioate

CAT No. CS-O-43001
CAS No. 2511500-14-2
Category Impurity
Parent API Bempedoic acid
Formula C21H40O5
Mol. Wt. 372.54
Dimethyl analog of oxybutynin Hydrochloride chemical structure
Custom Synthesis

Dimethyl analog of oxybutynin Hydrochloride

CAT No. CS-T-94727
CAS No. 70844-58-5
Category Impurity
Parent API Oxybutynin
Formula C20H28ClNO3
Mol. Wt. 365.90
Dimethyl Chlorothiophosphate chemical structure
Custom Synthesis

Dimethyl Chlorothiophosphate

CAT No. CS-T-53590
CAS No. 2524-03-0
Category Impurity
Parent API
Formula -
Mol. Wt.

Impurity Products at Clearsynth

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