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Categories / Impurity

Impurity Products

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

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(S)-Ruxolitinib Phosphate chemical structure
Custom Synthesis

(S)-Ruxolitinib Phosphate

CAT No. CS-EO-03841
CAS No. 2703484-89-1
Category Impurity
Parent API Ruxolitinib
Formula C17H21N6O4P
Mol. Wt. 404.36
(S)-Salbutamol Methyl Ester Impurity chemical structure
Custom Synthesis

(S)-Salbutamol Methyl Ester Impurity

CAT No. CS-O-59382
CAS No. 165882-31-5
Category Impurity
Parent API Salbutamol
Formula C14H21NO4
Mol. Wt. 267.33
(S)-Sibutramine Hydrochloride chemical structure
Custom Synthesis

(S)-Sibutramine Hydrochloride

CAT No. CS-T-84979
CAS No. 153341-23-2
Category Impurity
Parent API Sibutramine
Formula -
Mol. Wt.
(S)-Sitagliptin Hydrochloride chemical structure
Custom Synthesis

(S)-Sitagliptin Hydrochloride

CAT No. CS-P-00287
CAS No. 823817-55-6 (Freebase)
Category Impurity
Parent API Sitagliptin
Formula -
Mol. Wt.
(S)-Sitagliptin Hydrochloride Hydrate chemical structure
Custom Synthesis

(S)-Sitagliptin Hydrochloride Hydrate

CAT No. CS-O-46297
CAS No. 823817-55-6 (Freebase)
Category Impurity
Parent API Sitagliptin
Formula C16H18ClF6N5O2
Mol. Wt. 461.79
(S)-Sitagliptin Phosphate Monohydrate chemical structure
Custom Synthesis

(S)-Sitagliptin Phosphate Monohydrate

CAT No. CS-O-53076
CAS No. 823817-55-6(Freebase)
Category Impurity
Parent API Sitagliptin
Formula C16H20F6N5O6P
Mol. Wt. 523.32
(S)-Sofosbuvir Pentafluorophenoxy Analogue chemical structure
Custom Synthesis

(S)-Sofosbuvir Pentafluorophenoxy Analogue

CAT No. CS-O-14745
CAS No. 1256490-52-4
Category Impurity
Parent API Sofosbuvir
Formula -
Mol. Wt.
(S)-Sulforaphane chemical structure
Custom Synthesis

(S)-Sulforaphane

CAT No. CS-T-61517
CAS No. 155320-20-0
Category Impurity
Parent API
Formula -
Mol. Wt.
(S)-Suvorexant chemical structure
Custom Synthesis

(S)-Suvorexant

CAT No. CS-O-38012
CAS No. 1030377-80-0
Category Impurity
Parent API Suvorexant
Formula C23H23ClN6O2
Mol. Wt. 450.9
(S)-tert-butyl (1-(3-(3-chloro-4-cyanophenyl)-1H-pyrazol-1-yl)propan-2-yl)carbamate chemical structure
Custom Synthesis

(S)-tert-butyl (1-(3-(3-chloro-4-cyanophenyl)-1H-pyrazol-1-yl)propan-2-yl)carbamate

CAT No. CS-O-38810
CAS No. 2415967-06-3
Category Impurity
Parent API Darolutamide
Formula C18H21ClN4O2
Mol. Wt. 360.8
(S)-tert-Butyl 2-(2-hydroxyethyl)-piperazine-1-carboxylate chemical structure
Custom Synthesis

(S)-tert-Butyl 2-(2-hydroxyethyl)-piperazine-1-carboxylate

CAT No. CS-MM-46236
CAS No. 169448-17-3
Category Impurity
Parent API
Formula -
Mol. Wt. 230.31
(S)-tert-butyl 2-(hydroxymethyl)piperidine-1-carboxylate chemical structure
Custom Synthesis

(S)-tert-butyl 2-(hydroxymethyl)piperidine-1-carboxylate

CAT No. CS-EL-10037
CAS No. 134441-93-3
Category Impurity
Parent API
Formula -
Mol. Wt.
(S)-tert-Butyl 2-methyl-4-oxopiperidine-1-carboxylate chemical structure
Custom Synthesis

(S)-tert-Butyl 2-methyl-4-oxopiperidine-1-carboxylate

CAT No. CS-O-16717
CAS No. 790667-49-1
Category Impurity
Parent API
Formula -
Mol. Wt.
(S)-tert-Butyl 4-(2-(benzyloxycarbonylamino)-propyl)piperazine-1-carboxylate chemical structure
Custom Synthesis

(S)-tert-Butyl 4-(2-(benzyloxycarbonylamino)-propyl)piperazine-1-carboxylate

CAT No. CS-MM-50816
CAS No. 1245649-99-3
Category Impurity
Parent API
Formula -
Mol. Wt. 377.49
(S)-tert-Butyl 4-benzyl-2-(2-hydroxyethyl)-piperazine-1-carboxylate chemical structure
Custom Synthesis

(S)-tert-Butyl 4-benzyl-2-(2-hydroxyethyl)-piperazine-1-carboxylate

CAT No. CS-MM-12194
CAS No. 169447-92-1
Category Impurity
Parent API
Formula -
Mol. Wt. 320.44
(S)-tert-Butyl pyrrolidin-3-ylmethylcarbamate hydrochloride chemical structure
Custom Synthesis

(S)-tert-Butyl pyrrolidin-3-ylmethylcarbamate hydrochloride

CAT No. CS-MM-61060
CAS No. 1075260-66-0
Category Impurity
Parent API
Formula C10H21ClN2O2
Mol. Wt. 236.74
(S)-Valiolamine Voglibose chemical structure
Custom Synthesis

(S)-Valiolamine Voglibose

CAT No. CS-T-62687
CAS No. 1303996-66-8
Category Impurity
Parent API Voglibose
Formula C17H34N2O11
Mol. Wt. 442.5
(S,E)-1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propyl methanesulfonate chemical structure
Custom Synthesis

(S,E)-1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propyl methanesulfonate

CAT No. CS-O-40934
CAS No. 807638-71-7
Category Impurity
Parent API Montelukast
Formula C30H30ClNO4S
Mol. Wt. 536.1
(S,E)-3-(1-carboxy-N-(1-methoxypropan-2-yl)formamido)-2-methyl-4-oxopent-2-enoic acid chemical structure
Custom Synthesis

(S,E)-3-(1-carboxy-N-(1-methoxypropan-2-yl)formamido)-2-methyl-4-oxopent-2-enoic acid

CAT No. CS-O-47008
CAS No. -
Category Impurity
Parent API Dimethenamid
Formula C12H17NO7
Mol. Wt. 287.27
(S,E)-3-(N-(1-methoxypropan-2-yl)-2-sulfoacetamido)-2-methyl-4-oxopent-2-enoic acid chemical structure
Custom Synthesis

(S,E)-3-(N-(1-methoxypropan-2-yl)-2-sulfoacetamido)-2-methyl-4-oxopent-2-enoic acid

CAT No. CS-O-47011
CAS No. -
Category Impurity
Parent API Dimethenamid
Formula C12H19NO8S
Mol. Wt. 337.34
(S,R)-Darolutamide chemical structure
Custom Synthesis

(S,R)-Darolutamide

CAT No. CS-O-66827
CAS No. 1976022-49-7
Category Impurity
Parent API Darolutamide
Formula C19H19ClN6O2
Mol. Wt. 398.85 g/mol
(S,R)-Ivosidenib chemical structure
Custom Synthesis

(S,R)-Ivosidenib

CAT No. CS-O-62355
CAS No. 2070009-31-1
Category Impurity
Parent API Ivosidenib
Formula C28H22ClF3N6O3
Mol. Wt. 582.97
(S,R)-N-(1-Phenylethyl) Ibuprofen Amide chemical structure
Custom Synthesis

(S,R)-N-(1-Phenylethyl) Ibuprofen Amide

CAT No. CS-T-60427
CAS No. 81576-47-8
Category Impurity
Parent API Ibuprofen
Formula C21H27NO
Mol. Wt. 309.5
(S,R)-Nebivolol Impurity C chemical structure
Custom Synthesis

(S,R)-Nebivolol Impurity C

CAT No. CS-O-15339
CAS No. 793669-26-8
Category Impurity
Parent API Nebivolol
Formula C11H11FO2
Mol. Wt. 194.20

Impurity Products at Clearsynth

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

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