Certified Reference Standards

Top 100 Impurity Products

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Category: Impurity

CAT No.	Product Name	CAS No.	Molecular Formula	Mol. Wt.	Availability	Action
CS-EO-01199	Methylene Methanone Impurity	188904-84-9	C13H15NO	201.3	Enquire	Enquire
CS-O-60586	"2,2`-(((1,2-diphenylethane-1,2-diyl)bis(4,1-phenylene))bis(oxy))diethanol		C30H30O4	454.57	Enquire	Enquire
CS-T-10827	Δ2-Cefuroxime	229499-08-5	C16H16N4O8S	424.4	Enquire	Enquire
CS-T-09044	α-Bromovalerophenone	49851-31-2			Enquire	Enquire
CS-T-30641	α-Pyrrolidinopropiophenone Hydrochloride	19134-50-0			Enquire	Enquire
CS-T-55078	-β-D-Fructopyranose 1-Sulfamate	106881-42-9	C6H13NO8S	259.2	Enquire	Enquire
CS-T-55396	-β-Glycerol Phosphate Disodium Salt Pentahydrate	13408-09-8			Enquire	Enquire
CS-N-00240	β-Nicotinamide adenine dinucleotide phosphate disodium salt	24292-60-2			Enquire	Enquire
CS-O-41400	( 2,4,4-TRIMETHYL-1,3-OXAZOLIDIN-2-YL)(3-CHLOROPHENYL)-METHANONE		C13H16ClNO2	253.09	Enquire	Enquire
CS-O-43141	(-)-(1R,2R,5S)-NeomenthylAcetate	146502-80-9	C12H22O2	198.30	Enquire	Enquire
CS-T-58698	(αR)-α-Methyl-N-[[3-(trifluoromethyl)phenyl]methyl]-1-naphthalenemethanamine Hydrochloride	1229225-42-6	C20H18F3N : HCl	329.4 : 36.5	Enquire	Enquire
CS-O-57600	((+)-Epicatechin)	35323-91-2	C15H14O6	290.27	Enquire	Enquire
CS-N-05200	((2R,3R,4R,5R)-3-(benzoyloxy)-4-chloro-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-4-methyltetrahydrofuran-2-yl)methyl benzoate	1496551-71-3	C24H21ClN2O7	484.89	Enquire	Enquire
CS-O-39574	((2R,3S,5R)-3-acetoxy-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl acetate	6979-97-1	C14H18N2O7	326.3	Enquire	Enquire
CS-O-58093	((2R,4S)-5-([1,1'-biphenyl]-4-yl)-2-methyl-4-nitropentanoic acid)	1982356-32-0	C18H19NO4	313.35	Enquire	Enquire
CS-O-59318	((3S,4R)-4-(p-tolyl)piperidin-3-yl)methanol Hydrochloride		C13H20ClNO	241.76	Enquire	Enquire
CS-O-51972	((4-(4-hydroxy-3-isopropylbenzyl)-3,5-dimethylphenoxy)methyl)phosphonic acid	852947-39-8	C19H25O5P	364.37	Enquire	Enquire
CS-O-58541	((5-Bromo-2-chlorophenyl)(2-hydroxyphenyl)methanone)	2556662-59-8	C13H8BrClO2	311.56	Enquire	Enquire
CS-O-53801	((5α,6α)-4,5-epoxymorphinan-3,6-diol)	142864-34-4	C16H19NO3	273.33	Enquire	Enquire
CS-O-58632	((S)-4-(2-chlorophenyl)-1-ethoxy-1-oxobutan-2-yl)-L-alanyl-L-proline	85918-76-9	C20H27ClN2O5	410.89	Enquire	Enquire
CS-O-58633	((S)-4-(4-chlorophenyl)-1-ethoxy-1-oxobutan-2-yl)-L-alanyl-L-proline		C20H27ClN2O5	410.89	Enquire	Enquire
CS-T-30264	(-)-α-Kainic Acid	487-79-6			Enquire	Enquire
CS-O-42089	(-)-2-(4-((4-Chlorophenyl) Phenyl Methyl) Piperazin-lyl] ethanol	705289-61-8	C19 H23 Cl N2 O	330.85	Enquire	Enquire
CS-T-92527	(-)2´-epi-5-Deoxy-strigol	1259948-85-0	C19H22O5	330.38	Enquire	Enquire
CS-T-51807	(-)-3-Dehydro Shikimic Acid	2922-42-1	C7H8O5	172.1	Enquire	Enquire
CS-T-04926	(-)-alfa-Benidipine hydrochloride	129262-07-3	C28H32ClN3O6	542.02	Enquire	Enquire
CS-BS-00001	(-)-Asarinin	133-04-0			Enquire	Enquire
CS-O-45431	(-)-Camphorsulfonic Acid Methyl Ester	83603-04-7	C11H18O4S	246.32	Enquire	Enquire
CS-T-10662	(-)-Catechin Gallate	130405-40-2			Enquire	Enquire
CS-O-52142	(-)-cis-Permethrinic acid	55701-08-1	C8H10Cl2O2	209.07	Enquire	Enquire
CS-CA-00236	(-)-Cyclocytidine Hydrochloride	10212-25-6	C₉H₁₂ClN₃O₄	261.66	940	Enquire
CS-T-51785	(-)-Dehydro Griseofulvin	3573-90-8	C17H15ClO6	350.8	Enquire	Enquire
CS-T-91195	(-)-Dihydroapovincaminic Acid Ethyl Ester	57327-92-1	C22H28N2O2	352.47	Enquire	Enquire
CS-T-21694	(-)Epicatechin gallate	1257-08-5			Enquire	Enquire
CS-T-92488	(-)-Erinacin A	180854-04-0	C25H36O6	432.55	Enquire	Enquire
CS-N-00385	(-)-gallocatechin gallate	4233-96-9			Enquire	Enquire
CS-O-60704	(-)-Halofuginone	7695-84-3	C16H17BrClN3O3	414.68	Enquire	Enquire
CS-E-00926	(-)-Hydroxycitric acid Calcium salt	-			Enquire	Enquire
CS-T-30053	(-)-Isopulegol	89-79-2	C10H18O	154.25	10000	Enquire
CS-O-51485	(-)-N-Formyl-3-methoxyisomorphinan	51745-05-02	C18H23NO2	285.38	Enquire	Enquire
CS-O-11083	(-)-Norscopolamine	4684-28-0			Enquire	Enquire
CS-T-20834	(-)-ß-D-Dioxolane-5-fluoro Cytidine	145397-26-8	C8H10FN3O4	231.2	Enquire	Enquire
CS-P-08380	(-)-Treprostinil	112421-28-0	C23H34O5	390.52	Enquire	Enquire
CS-O-38325	({4-[2-(4-methyl-1- piperidinyl)ethoxy]phenyl}(phenyl)methanone oxalate)	-	C23H27NO6	413.46	Enquire	Enquire
CS-O-37323	(+) N-formyl-1-(p-methoxybenzyl) 1,2,3,4,5,6,7,8 octa-hydro isoquinoline	63477-91-8	C18H23NO2	285.38	Enquire	Enquire
CS-T-47562	(+)-(2S,5R)-1-Allyl-2,5-dimethylpiperazine, (+)-Camphoric Acid Salt	186094-00-8			Enquire	Enquire
CS-T-79180	(+)-13a-Hydroxylupanine	15358-48-2			Enquire	Enquire
CS-T-15067	(+)-9-deMe-DTBZ	1065193-59-0	C18H27NO3	305.4	Enquire	Enquire
CS-T-04927	(+)-alpha-Benidipine	129262-08-4			Enquire	Enquire
CS-T-64692	(+)-Amabiline	17958-43-9	Câ‚â‚…Hâ‚‚â‚…NOâ‚„		Enquire	Enquire
CS-O-08289	(+)-Beta-(2S,3R)-Dihydrotetrabenazine	924854-60-4	C₁₉H₂₉NO₃	319.44	540.5	Enquire
CS-O-59066	(+)-Cannabidiol	74219-29-7	C21H30O2	314.46	Enquire	Enquire
CS-T-35661	(+)-Cis-2-aminomethyl-1-phenylcyclopropanecarboxylic acid.Hydrocholide	105310-28-9	C11H14ClNO2	-	11999	Enquire
CS-T-62728	(+)-cis-Vincaminic Acid Ethyl Ester	40163-56-2	C22H28N2O3	368.5	Enquire	Enquire
CS-T-91533	(+)-Corey Lactone Benzoate	53275-53-9			Enquire	Enquire
CS-ZG-98470	(+)-Diisopinocampheyl chloroborane	112246-73-8	C₂₀H₃₄BCl	320.75 g/mol	Enquire	Enquire
CS-T-53691	(+)-Dimethyl L-Tartrate	608-68-4	C6H10O6	178.1	Enquire	Enquire
CS-U-00085	(+)-Di-p-anisoyl-D-tartaric Acid	191605-10-4	C20H18O10	418.35	Enquire	Enquire
CS-O-57875	(+)-Epinephrine bitartrate	636-89-5	C13H19NO9	333.29	Enquire	Enquire
CS-E-00775	(+)-Gallocatechin	970-73-0	C15H14O7	306.27	Enquire	Enquire
CS-O-60705	(+)-Halofuginone	868851-54-1	C16H17BrClN3O3	414.68	Enquire	Enquire
CS-E-00927	(+)-Hydroxycitric acid lactone	27750-13-6			Enquire	Enquire
CS-T-31081	(+)-Limonene	5989-27-5	C₁₀H₁₆	136.23	499588	Enquire
CS-E-00941	(+)-Mahanimbine	21104-28-9			Enquire	Enquire
CS-O-46989	(+)-Nalbuphine	1240373-02-7	C₂₁H₂₇NO₄	357.44	Enquire	Enquire
CS-T-82884	(+)-Nebivolol	118457-15-1	C22H25F2NO4	405.5	Enquire	Enquire
CS-T-59692	(+)-Noradrenaline Bitartrate	636-88-4	C8H11NO3 : C4H6O6	169.2 : 150.1	Enquire	Enquire
CS-T-61116	(+)-Rheadine	2718-25-4			Enquire	Enquire
CS-EK-00531	(+)-Tetrabenazine	1026016-83-0	C19H27NO3	317.43	Enquire	Enquire
CS-CG-00116	(+)-trans-chrysanthemic acid	4638-92-0	.	.	Enquire	Enquire
CS-ED-41526	(+)-trans-p-Mentha-2,8-dien-1-ol	52154-82-2	C10H16O	152.23	Enquire	Enquire
CS-T-62615	(+)-Tubocurarine Chloride Hydrochloride Pentahydrate	6989-98-6			Enquire	Enquire
CS-T-87944	(+)-Vitisin A	142449-89-6			Enquire	Enquire
CS-T-51784	(+/-) Levonorgestrel EP Impurity A	110785-09-6	C₂₁H₂₆O₂	310.43	Enquire	Enquire
CS-T-60851	(+/-)-2-Propyl-4-pentenoic Acid	1575-72-0	C8H14O2	142.2	Enquire	Enquire
CS-T-56127	(+/-)-4-Hydroxy Mephenytoin	61837-65-8	C₁₂H₁₄N₂O₃	234.25	1523.97	Enquire
CS-T-52630	(+/-)-dihydro-3-hydroxy-4,4-dimethylfuran-2(3h)-one	79-50-5			Enquire	Enquire
CS-T-94021	(+/-)-Exo-6-hydroxytropinone	5932-53-6	C8H13NO2	155.19	Enquire	Enquire
CS-T-29779	(+/-)-Iso Myosmine	53844-46-5			Enquire	Enquire
CS-T-05837	(+/-)-N-3-Benzylnirvanol	93879-40-4	C₁₈H₁₈N₂O₂	294.35	681	Enquire
CS-T-54301	(+/-)-N-Ethoxycarbonylnornicotine	74245-32-2	C₁₂H₁₆N₂O₂	220.27	1368.01	Enquire
CS-T-60706	(+/-)-Pramipexole	104617-86-9	C10H17N3S	211.3	Enquire	Enquire
CS-BX-00022	(±)-α-Lipoamide	940-69-2			Enquire	Enquire
CS-O-31182	(±)-10-Hydroxycamptothecin	64439-81-2			Enquire	Enquire
CS-T-73335	(±)5-Deoxy-strigol	139540-45-7			Enquire	Enquire
CS-T-89268	(±)-9,10-Dihydrojasmonic Acid	3572-64-3			Enquire	Enquire
CS-O-61105	(±)-Anisodamine	85760-60-7	C17H23NO4	305.37	Enquire	Enquire
CS-T-101886	(±)-Atovaquone Impurity C-d5		C22H12D5ClO3	369.85	Enquire	Enquire
CS-O-41288	(±)-Hexanoylcarnitine Chloride	10331-23-4	C₁₃H₂₆ClNO₄	295.80	5	Enquire
CS-T-29776	(±)-Isomenthone	491-07-6	C10H18O	154.3	Enquire	Enquire
CS-DV-00023	(±)-Lactic acid homopolymer	26100-51-6	(C3H6O3)n	90.08	Enquire	Enquire
CS-T-30949	(±)-Lavandulyl Acetate	25905-14-0	C₁₂H₂₀O₂	196.29	238.2	Enquire
CS-T-82677	(±)-Menthone	89-80-5	C₁₀H₁₈O	154.25	9810	Enquire
CS-T-83293	(±)-Neoisomenthol	491-02-1			Enquire	Enquire
CS-T-74305	(±)-p-Fenfluramine Hydrochloride	54779-55-4	C12H17ClF3N	267.72	Enquire	Enquire
CS-EK-01624	(±)-p-Octopamaine hydrochloride	770-05-8	C₈H₁₂ClNO₂	189.64	Enquire	Enquire
CS-T-86555	(±)-Tartaric Acid	133-37-9	C4H6O6	150.1	490000	Enquire
CS-T-48420	(±)-tropate 1αH,5αH-Tropan-3α-ol sulfate hemihydrate	5908-99-6	C₃₄H₅₀N₂O₁₁S	694.83	91611	Enquire
CS-O-52386	(1-(3-Methoxyphenyl)-2-methylpentan-1-one)	1592075-83-6	C13H18O2	206.28	Enquire	Enquire
CS-O-39331	(1-(4-methoxyphenyl)-7-oxo-6-(4-(2-oxopiperidin-1-yl)phenyl)-3a,4,5,6,7,7a-hexahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylic acid)	-	C25H26N4O5	462.50	Enquire	Enquire

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