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Categories / Impurity

Impurity Products

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

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3(S)-Hydroperoxy Simvastatin chemical structure
Custom Synthesis

3(S)-Hydroperoxy Simvastatin

CAT No. CS-T-56370
CAS No. 1092716-44-3
Category Impurity
Parent API Simvastatin
Formula -
Mol. Wt.
3-(tert-butylamino) Sitagliptin chemical structure
Custom Synthesis

3-(tert-butylamino) Sitagliptin

CAT No. CS-O-45502
CAS No. -
Category Impurity
Parent API Sitagliptin
Formula C20H23F6N5O
Mol. Wt. 463.42
3-(tert-Butyl-d9)-5-[7-(hydroxyethyl)-2-benzofuranyl]-2-oxazolidinone (Mixture of Diastereomers) chemical structure
Custom Synthesis

3-(tert-Butyl-d9)-5-[7-(hydroxyethyl)-2-benzofuranyl]-2-oxazolidinone (Mixture of Diastereomers)

CAT No. CS-T-101750
CAS No. 1189998-94-4
Category Impurity
Parent API
Formula C17H12D9NO4
Mol. Wt. 312.41
3-(Toluene-4-sulfonylamino)-benzoic acid chemical structure
Custom Synthesis

3-(Toluene-4-sulfonylamino)-benzoic acid

CAT No. CS-M-07041
CAS No. 37028-84-5
Category Impurity
Parent API
Formula -
Mol. Wt.
3-(TRIFLUOROMETHOXY)PYRIDINE chemical structure
Custom Synthesis

3-(TRIFLUOROMETHOXY)PYRIDINE

CAT No. CS-O-37934
CAS No. 1258191-40-0
Category Impurity
Parent API
Formula C6H4F3NO
Mol. Wt. 163.10
3, 4- Deschloro sertraline chemical structure
Custom Synthesis

3, 4- Deschloro sertraline

CAT No. CS-O-51217
CAS No. 91797-61-4
Category Impurity
Parent API sertraline
Formula C17H19N
Mol. Wt. 237.34
3,​3-​Diphenylpropionitril​e chemical structure
Custom Synthesis

3,​3-​Diphenylpropionitril​e

CAT No. CS-DE-01483
CAS No. 2286-54-6
Category Impurity
Parent API Lercanidipine
Formula C15H13N
Mol. Wt. 207.3
3,11-dimethoxy-2,10-bis(3-morpholinopropoxy)-6-oxo-5,6-dihydroquinazolino[4,3-b]quinazolin-7-ium chemical structure
Custom Synthesis

3,11-dimethoxy-2,10-bis(3-morpholinopropoxy)-6-oxo-5,6-dihydroquinazolino[4,3-b]quinazolin-7-ium

CAT No. CS-O-59012
CAS No.
Category Impurity
Parent API Gefitinib
Formula C31H40N5O7+
Mol. Wt. 594.68
3,16-bis(acetyloxy)-5,15-dien-Dehydroepiandrosterone chemical structure
Custom Synthesis

3,16-bis(acetyloxy)-5,15-dien-Dehydroepiandrosterone

CAT No. CS-O-60338
CAS No. 1173-31-5
Category Impurity
Parent API Dehydroepiandrosterone
Formula C23H30O5
Mol. Wt. 386.49
3,3'-(((2,2-bis(((3-ethyloxetan-3-yl)methoxy)methyl)propane-1,3-diyl)bis(oxy))bis(methylene))bis(3-ethyloxetane) chemical structure
Custom Synthesis

3,3'-(((2,2-bis(((3-ethyloxetan-3-yl)methoxy)methyl)propane-1,3-diyl)bis(oxy))bis(methylene))bis(3-ethyloxetane)

CAT No. CS-O-38272
CAS No. 403829-81-2
Category Impurity
Parent API Oxetane
Formula C29H52O8
Mol. Wt. 528.72
3,3'-((4-((3-methoxy-3-oxopropyl)(pyridin-2-yl)carbamoyl)-2-(methylamino)phenyl)azanediyl)dipropionic acid chemical structure
Custom Synthesis

3,3'-((4-((3-methoxy-3-oxopropyl)(pyridin-2-yl)carbamoyl)-2-(methylamino)phenyl)azanediyl)dipropionic acid

CAT No. CS-O-57713
CAS No.
Category Impurity
Parent API Dabigatran
Formula C23H28N4O7
Mol. Wt. 472.49
3,3'-(1,2-phenylenebis(oxy))bis(propane-1,2-diol) chemical structure
Custom Synthesis

3,3'-(1,2-phenylenebis(oxy))bis(propane-1,2-diol)

CAT No. CS-O-44003
CAS No. 56266-47-8
Category Impurity
Parent API Guaifenesin
Formula C12H18O6
Mol. Wt. 258.27
3,3'-(4-(cyclopentylamino)pyrimidine-2,5-diyl)bis(prop-2-yn-1-ol) chemical structure
Custom Synthesis

3,3'-(4-(cyclopentylamino)pyrimidine-2,5-diyl)bis(prop-2-yn-1-ol)

CAT No. CS-O-39612
CAS No. -
Category Impurity
Parent API 271.32
Formula C15H17N3O2
Mol. Wt. 271.32
3,3-(Ethylenedioxy)-5alpha-hydroxy-11beta-[p-(Methylamino)phenyl]-17beta-hydroxy-17-(1-propynyl)estr chemical structure
Custom Synthesis

3,3-(Ethylenedioxy)-5alpha-hydroxy-11beta-[p-(Methylamino)phenyl]-17beta-hydroxy-17-(1-propynyl)estr

CAT No. CS-O-34779
CAS No. 104004-98-0
Category Impurity
Parent API Mifepristone
Formula C30H39NO4
Mol. Wt. 477.6
3,3,4,6-tetrabromoisobenzofuran-1(3H)-one chemical structure
Custom Synthesis

3,3,4,6-tetrabromoisobenzofuran-1(3H)-one

CAT No. CS-BL-00156
CAS No.
Category Impurity
Parent API -
Formula C8H2Br4O2
Mol. Wt. 449.72
3,3,6-tribromoisobenzofuran-1(3H)-one chemical structure
Custom Synthesis

3,3,6-tribromoisobenzofuran-1(3H)-one

CAT No. CS-BL-00155
CAS No.
Category Impurity
Parent API -
Formula C8H3Br3O2
Mol. Wt. 370.82
3,3’,5-Triiodo Thyroacetic Acid n-Butyl Ester chemical structure
Custom Synthesis

3,3’,5-Triiodo Thyroacetic Acid n-Butyl Ester

CAT No. CS-T-87500
CAS No. 1797030-15-9
Category Impurity
Parent API
Formula -
Mol. Wt.
3,3'-bis(4-(((S)-tetrahydrofuran-3-yl)oxy)benzyl)-1,1'-biphenyl chemical structure
Custom Synthesis

3,3'-bis(4-(((S)-tetrahydrofuran-3-yl)oxy)benzyl)-1,1'-biphenyl

CAT No. CS-O-52108
CAS No. -
Category Impurity
Parent API Empagliflozin
Formula C34H34O4
Mol. Wt. 506.63
3,3'-di(piperidin-4-yl)-5,6'-bibenzo[d]isoxazole chemical structure
Custom Synthesis

3,3'-di(piperidin-4-yl)-5,6'-bibenzo[d]isoxazole

CAT No. CS-O-44527
CAS No. -
Category Impurity
Parent API Iloperidone
Formula C24H26N4O2
Mol. Wt. 402.49
3,3-dibutyl-7-(dimethylamino)-4-hydroxy-5-(4-methoxyphenyl)-2,3,4,5-tetrahydrobenzo[b]thiepine 1,1-dioxide chemical structure
Custom Synthesis

3,3-dibutyl-7-(dimethylamino)-4-hydroxy-5-(4-methoxyphenyl)-2,3,4,5-tetrahydrobenzo[b]thiepine 1,1-dioxide

CAT No. CS-O-46510
CAS No. 361374-18-7
Category Impurity
Parent API diltiazem hydrochloride
Formula C27H39NO4S
Mol. Wt. 473.67
3,3-diethoxy-N-methylpropan-1-amine chemical structure
Custom Synthesis

3,3-diethoxy-N-methylpropan-1-amine

CAT No. CS-RS-00056
CAS No. 56828-16-1
Category Impurity
Parent API
Formula C8H19NO2
Mol. Wt. 161.24200
3,3-Diethoxypropionitrile chemical structure
Custom Synthesis

3,3-Diethoxypropionitrile

CAT No. CS-T-18051
CAS No. 2032-34-0
Category Impurity
Parent API
Formula -
Mol. Wt.
3,3-Dimethoxy-1-[5-methoxy-1,4-bis(phenylmethoxy)phenyl]-2-[4-(phenylmethoxy)phenyl]-1-propanone chemical structure
Custom Synthesis

3,3-Dimethoxy-1-[5-methoxy-1,4-bis(phenylmethoxy)phenyl]-2-[4-(phenylmethoxy)phenyl]-1-propanone

CAT No. CS-T-53465
CAS No. 58115-19-8
Category Impurity
Parent API
Formula -
Mol. Wt.
3,3'-methylenebis(4,6-dihydroxycoumarin) chemical structure
Custom Synthesis

3,3'-methylenebis(4,6-dihydroxycoumarin)

CAT No. CS-O-57601
CAS No.
Category Impurity
Parent API Coumarin
Formula C19H12O8
Mol. Wt. 368.29

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