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Categories / Impurity

Impurity Products

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

Showing 5617-5640 of 27561 products
All In Stock Custom Synthesis
(17a)-(+/-)-13-Ethyl-3-methoxy-18,19-dinorpregna-2,5(10)-dien-20-yn-17-ol chemical structure
Custom Synthesis

(17a)-(+/-)-13-Ethyl-3-methoxy-18,19-dinorpregna-2,5(10)-dien-20-yn-17-ol

CAT No. CS-T-54514
CAS No. 799-43-9
Category Impurity
Parent API Levonorgestrel
Formula C22H30O2
Mol. Wt. 326.5
(17a)-13-Ethyl-3-methoxy-18,19-dinorpregna-2,5(10)-dien-20-yn-17-ol (Levonorgestrel Impurity T) chemical structure
Custom Synthesis

(17a)-13-Ethyl-3-methoxy-18,19-dinorpregna-2,5(10)-dien-20-yn-17-ol (Levonorgestrel Impurity T)

CAT No. CS-T-74349
CAS No. 14507-51-8
Category Impurity
Parent API Levonorgestrel
Formula -
Mol. Wt.
(17a)-3,3-[1,2-Ethanediylbis(oxy)]-17-hydroxy-19-norpregna-5(10),9(11)-diene-21-nitrile chemical structure
Custom Synthesis

(17a)-3,3-[1,2-Ethanediylbis(oxy)]-17-hydroxy-19-norpregna-5(10),9(11)-diene-21-nitrile

CAT No. CS-T-54281
CAS No. 190662-30-7
Category Impurity
Parent API Dienogest
Formula C22H29NO3
Mol. Wt. 355.5
(17a)-4-Bromo-17-hydroxy-3-oxo-19-norpregna-4,9-diene-21-nitrile chemical structure
Custom Synthesis

(17a)-4-Bromo-17-hydroxy-3-oxo-19-norpregna-4,9-diene-21-nitrile

CAT No. CS-T-49705
CAS No. 98149-13-4
Category Impurity
Parent API Dienogest
Formula C20H24BrNO2
Mol. Wt. 390.3
(17RS)-Betamethasone 20-hydroxy 21-acid impurity chemical structure
Custom Synthesis

(17RS)-Betamethasone 20-hydroxy 21-acid impurity

CAT No. CS-T-96121
CAS No. 1155886-49-9
Category Impurity
Parent API Betamethasone
Formula C22H29FO5
Mol. Wt. 392.5
(17β)-N-(1,1-Dimethylethyl)-3-oxoandrost-4-ene-17-carboxamide chemical structure
Custom Synthesis

(17β)-N-(1,1-Dimethylethyl)-3-oxoandrost-4-ene-17-carboxamide

CAT No. CS-T-102343
CAS No. 131267-80-6
Category Impurity
Parent API Finasteride
Formula C24H37NO2
Mol. Wt. 371.56
(19E/Z)-seco-[4-O-(2-Hydroxyethyl)] Rapamycin chemical structure
Custom Synthesis

(19E/Z)-seco-[4-O-(2-Hydroxyethyl)] Rapamycin

CAT No. CS-T-78909
CAS No. -
Category Impurity
Parent API Rapamycin
Formula C53H83NO14
Mol. Wt. 958.22
(1a-,5a-,6a-)-6-(hydroxymethyl)-3-azabicyclo[3.1.0]hexane chemical structure
Custom Synthesis

(1a-,5a-,6a-)-6-(hydroxymethyl)-3-azabicyclo[3.1.0]hexane

CAT No. CS-DV-00070
CAS No. 134575-13-6
Category Impurity
Parent API
Formula -
Mol. Wt.
(1-Acetylpiperidin-4-yl)acetic acid chemical structure
Custom Synthesis

(1-Acetylpiperidin-4-yl)acetic acid

CAT No. CS-M-26519
CAS No. 885274-84-0
Category Impurity
Parent API
Formula -
Mol. Wt.
(1-Aminocyclohexyl)acetic acid chemical structure
Custom Synthesis

(1-Aminocyclohexyl)acetic acid

CAT No. CS-M-26979
CAS No. 37631-92-8
Category Impurity
Parent API
Formula -
Mol. Wt.
(1-chloro-4-hydroxy-7-phenoxyisoquinoline-3-carbonyl)glycine chemical structure
Custom Synthesis

(1-chloro-4-hydroxy-7-phenoxyisoquinoline-3-carbonyl)glycine

CAT No. CS-ED-01076
CAS No. 808116-60-1
Category Impurity
Parent API Roxadustat
Formula C18H13ClN2O5
Mol. Wt. 372.8
(1-chloro-4-hydroxyisoquinoline-3-carbonyl)cysteine chemical structure
Custom Synthesis

(1-chloro-4-hydroxyisoquinoline-3-carbonyl)cysteine

CAT No. CS-O-46711
CAS No. -
Category Impurity
Parent API .
Formula C13H11ClN2O4S
Mol. Wt. 326.75
(1-Cyano-2-ethoxy-2-oxoethylidenaminooxy)dimethylamino-morpholino-carbenium hexafluorophosphate chemical structure
Custom Synthesis

(1-Cyano-2-ethoxy-2-oxoethylidenaminooxy)dimethylamino-morpholino-carbenium hexafluorophosphate

CAT No. CS-DV-00031
CAS No. 1075198-30-9
Category Impurity
Parent API
Formula -
Mol. Wt.
(1-Cyclohexyl-2,5-dioxo-imidazolidin-4-yl)-acetic acid chemical structure
Custom Synthesis

(1-Cyclohexyl-2,5-dioxo-imidazolidin-4-yl)-acetic acid

CAT No. CS-M-08995
CAS No. 1008075-30-6
Category Impurity
Parent API
Formula -
Mol. Wt.
(1-Cyclopropylcyclopropyl)methanol chemical structure
Custom Synthesis

(1-Cyclopropylcyclopropyl)methanol

CAT No. CS-O-54977
CAS No. 177719-30-1
Category Impurity
Parent API -
Formula C7H12O
Mol. Wt. 112.17
(1E)-1-(2,4-Dichlorophenyl)-2-(1H-imidazol-1-yl)ethanone oxime chemical structure
Custom Synthesis

(1E)-1-(2,4-Dichlorophenyl)-2-(1H-imidazol-1-yl)ethanone oxime

CAT No. CS-O-55106
CAS No. 64212-20-0
Category Impurity
Parent API oxiconazole
Formula C11H9Cl2N3O
Mol. Wt. 270.11
(1H-Benzimidazol-2-ylmethoxy)acetic acid chemical structure
Custom Synthesis

(1H-Benzimidazol-2-ylmethoxy)acetic acid

CAT No. CS-M-16779
CAS No. 783284-17-3
Category Impurity
Parent API
Formula -
Mol. Wt.
(1H-Benzoimidazol-2-yl)-acetic acid chemical structure
Custom Synthesis

(1H-Benzoimidazol-2-yl)-acetic acid

CAT No. CS-M-07236
CAS No. 13570-08-6
Category Impurity
Parent API
Formula -
Mol. Wt.
(1H-Imidazol-4-yl)boronic acid chemical structure
Custom Synthesis

(1H-Imidazol-4-yl)boronic acid

CAT No. CS-DV-00035
CAS No. 943138-65-6
Category Impurity
Parent API
Formula -
Mol. Wt.
(1-Isopropylpiperidin-4-yl)acetic acid chemical structure
Custom Synthesis

(1-Isopropylpiperidin-4-yl)acetic acid

CAT No. CS-M-26578
CAS No. 754183-67-0
Category Impurity
Parent API
Formula -
Mol. Wt.
(1-methyl-1H-imidazol-4-yl)-aceticacid chemical structure
Custom Synthesis

(1-methyl-1H-imidazol-4-yl)-aceticacid

CAT No. CS-DV-00038
CAS No. 2625-49-2
Category Impurity
Parent API
Formula -
Mol. Wt.
(1-Methyl-1H-pyrazol-3-yl)acetic acid chemical structure
Custom Synthesis

(1-Methyl-1H-pyrazol-3-yl)acetic acid

CAT No. CS-M-28022
CAS No. 1177318-00-1
Category Impurity
Parent API
Formula -
Mol. Wt.
(1-Methyl-2-oxo-2,3-dihydro-1H-indol-3-yl)-acetic acid chemical structure
Custom Synthesis

(1-Methyl-2-oxo-2,3-dihydro-1H-indol-3-yl)-acetic acid

CAT No. CS-M-09480
CAS No. 21591-75-3
Category Impurity
Parent API
Formula -
Mol. Wt.
(1-Methyl-3-oxo-piperazin-2-yl)-acetic acidhydrochloride chemical structure
Custom Synthesis

(1-Methyl-3-oxo-piperazin-2-yl)-acetic acidhydrochloride

CAT No. CS-M-07627
CAS No. 1219270-94-6
Category Impurity
Parent API
Formula -
Mol. Wt.

Impurity Products at Clearsynth

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

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