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Categories / Impurity

Impurity Products

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

Showing 145-168 of 27540 products
All In Stock Custom Synthesis
(R)-Sitagliptin Methyl-Ester Hydrochloride chemical structure
In Stock

(R)-Sitagliptin Methyl-Ester Hydrochloride

CAT No. CS-EO-01677
CAS No. 1374985-05-3
Category Impurity
Parent API Sitagliptin
Formula C11H13ClF3NO2
Mol. Wt. 283.67
(R)-Sitagliptin Methyl-Ester Impurity chemical structure
In Stock

(R)-Sitagliptin Methyl-Ester Impurity

CAT No. CS-P-00280
CAS No. 881995-69-3
Category Impurity
Parent API Sitagliptin
Formula C11H12F3NO2
Mol. Wt. 247.21
(R)-Sitagliptin N-Boc-Methyl-Ester Impurity chemical structure
In Stock

(R)-Sitagliptin N-Boc-Methyl-Ester Impurity

CAT No. CS-EO-00173
CAS No. 881995-73-9
Category Impurity
Parent API Sitagliptin
Formula C16H20F3NO4
Mol. Wt. 347.33
(R)-Sofosbuvir Pentafluorophenoxy Analogue chemical structure
In Stock

(R)-Sofosbuvir Pentafluorophenoxy Analogue

CAT No. CS-O-11149
CAS No. 1334513-02-8
Category Impurity
Parent API Sofosbuvir
Formula C18H17F5NO5P
Mol. Wt. 453.3
(R,R)-Empagliflozin chemical structure
In Stock

(R,R)-Empagliflozin

CAT No. CS-O-15985
CAS No. 2452301-42-5
Category Impurity
Parent API Empagliflozin
Formula C23H27ClO7
Mol. Wt. 450.91
(R,R)-N-(1-Phenylethyl) Ibuprofen Amide chemical structure
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(R,R)-N-(1-Phenylethyl) Ibuprofen Amide

CAT No. CS-T-60425
CAS No. 121734-80-3
Category Impurity
Parent API Ibuprofen
Formula C21H27NO
Mol. Wt. 309.45
(R,R)-Palonosetron Hydrochloride chemical structure
In Stock

(R,R)-Palonosetron Hydrochloride

CAT No. CS-T-60134
CAS No. 135729-75-8
Category Impurity
Parent API Palonosetron
Formula C19H25ClN2O
Mol. Wt. 332.87
(R,R)-Sertraline chemical structure
In Stock

(R,R)-Sertraline

CAT No. CS-T-61283
CAS No. 79617-98-4
Category Impurity
Parent API Sertraline
Formula C17H17Cl2N
Mol. Wt. 306.23 g/mol
(R,S)-Iso Valganciclovir chemical structure
In Stock

(R,S)-Iso Valganciclovir

CAT No. CS-T-92596
CAS No. 1356932-18-7
Category Impurity
Parent API Ganciclovir
Formula C14H22N6O5
Mol. Wt. 354.36
(RS)-N-Despropyl Pramipexole chemical structure
In Stock

(RS)-N-Despropyl Pramipexole

CAT No. CS-T-17038
CAS No. 104617-49-4
Category Impurity
Parent API Pramipexole
Formula C7H11N3S
Mol. Wt. 169.25
(S) Montelukast chemical structure
In Stock

(S) Montelukast

CAT No. CS-O-05738
CAS No. 220927-27-5
Category Impurity
Parent API Montelukast
Formula C35H36ClNO3S
Mol. Wt. 586.18
(S)-(-)-3-Acetylthio-2-methylpropionic Acid chemical structure
In Stock

(S)-(-)-3-Acetylthio-2-methylpropionic Acid

CAT No. CS-T-01188
CAS No. 76497-39-7
Category Impurity
Parent API Captopril
Formula C6H10O3S
Mol. Wt. 162.21
(S)-(-)-3-Chloro-1-phenyl-1-propanol chemical structure
In Stock

(S)-(-)-3-Chloro-1-phenyl-1-propanol

CAT No. CS-T-50964
CAS No. 100306-34-1
Category Impurity
Parent API -
Formula -
Mol. Wt. -
(S)-(-)-Methcathinone Hydrochloride chemical structure
In Stock

(S)-(-)-Methcathinone Hydrochloride

CAT No. CS-T-30724
CAS No. 66514-93-0
Category Impurity
Parent API Methcathinone
Formula C10H14ClNO
Mol. Wt. 199.68
(S)-(-)-α-Lipoic Acid chemical structure
In Stock

(S)-(-)-α-Lipoic Acid

CAT No. CS-T-57265
CAS No. 1077-27-6
Category Impurity
Parent API Lipoic Acid
Formula C8H14O2S2
Mol. Wt. 206.33
(S)-(+)-1,2-Propanediol chemical structure
In Stock

(S)-(+)-1,2-Propanediol

CAT No. CS-AC-12305
CAS No. 4254-15-3
Category Impurity
Parent API -
Formula C3H8O2
Mol. Wt. 76.09
(S)-(+)-Ibuprofen Propylene Glycol Ester chemical structure
In Stock

(S)-(+)-Ibuprofen Propylene Glycol Ester

CAT No. CS-EO-01027
CAS No. 95093-58-6
Category Impurity
Parent API Ibuprofen
Formula C16H24O3
Mol. Wt. 264.4
(S)-1-(2-oxo-4-phenyloxazolidin-3yl)-5-phenylpentane-1,5-dione chemical structure
In Stock

(S)-1-(2-oxo-4-phenyloxazolidin-3yl)-5-phenylpentane-1,5-dione

CAT No. CS-O-37528
CAS No.
Category Impurity
Parent API Ezetimibe
Formula C20H19NO4
Mol. Wt. 337.37
(S)-1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethanamine chemical structure
In Stock

(S)-1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethanamine

CAT No. CS-P-00642
CAS No. 608141-42-0
Category Impurity
Parent API Apremilast
Formula C12H19NO4S
Mol. Wt. 273.35
(S)-1-acetyl-4-isobutylpyrrolidin-2-one chemical structure
In Stock

(S)-1-acetyl-4-isobutylpyrrolidin-2-one

CAT No. CS-EO-01365
CAS No. 1374336-43-2
Category Impurity
Parent API Pregabalin
Formula C10H17NO2
Mol. Wt. 183.25
(S)-1-Boc-2,3-dihydro-2-pyrrolecarboxylic Acid chemical structure
In Stock

(S)-1-Boc-2,3-dihydro-2-pyrrolecarboxylic Acid

CAT No. CS-O-10632
CAS No. 178172-26-4
Category Impurity
Parent API Saxagliptin
Formula C12H19NO4
Mol. Wt. 241.28
(S)-1-Boc-3-hydroxypiperidine chemical structure
In Stock

(S)-1-Boc-3-hydroxypiperidine

CAT No. CS-M-56992
CAS No. 143900-44-1
Category Impurity
Parent API ibrutinib
Formula C10H19NO3
Mol. Wt. 201.26
(S)-2-((4-Nitrophenethyl)amino)-1-phenylethan-1-ol hydrochloride chemical structure
In Stock

(S)-2-((4-Nitrophenethyl)amino)-1-phenylethan-1-ol hydrochloride

CAT No. CS-O-37506
CAS No. 2184223-32-1(freebase)
Category Impurity
Parent API Mirabegron
Formula C16H19ClN2O3
Mol. Wt. 322.79
(S)-2-(Boc-Amino)-3-(4-carbamoyl-2,6-dimethylphenyl)propanoic Acid chemical structure
In Stock

(S)-2-(Boc-Amino)-3-(4-carbamoyl-2,6-dimethylphenyl)propanoic Acid

CAT No. CS-O-32441
CAS No. 623950-02-7
Category Impurity
Parent API Eluxadoline
Formula C17H24N2O5
Mol. Wt. 336.39

Impurity Products at Clearsynth

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

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