Altox

Pharmaceutical impurities

31,702 catalogue designations with a molecular structure. Page 96 of 127.

NameCASFormula
Nizatidine EP Impurity H27366-72-9C4H11ClN2S
Nizatidine EP Impurity I82586-81-0C11H20N4OS2
Nizatidine EP Impurity J78441-69-7C7H12N2OS
Nizatidine for system suitability76963-41-2C12H21N5O2S2
Nizatidine Imp. A (EP): N,N'-Dimethyl-2-nitroethene- 1,1-diamine54252-45-8C4H9N3O2
Nizatidine Imp. B (EP): (EZ)-N-Methyl-1-(methyl- sulphanyl)-2-nitroethen-1-amine61832-41-5C4H8N2O2S
Nizatidine Imp. C (EP): (EZ)-N-[2-[[[2-[(Dimethyl- amino)methyl]thiazol-4-yl]methyl]- sulphinyl]ethyl]-N'-methyl-2-nitroethene- 1,1-diamine102273-13-2C12H21N5O3S2
Nizatidine Imp. D (EP) as Dioxalate: 2-[[[2-[(Dimethyl- amino)methyl]thiazol-4-yl]methyl]sulphanyl]- ethanamine Dioxalate78441-63-1C13H21N3O8S2
Nizatidine Imp. G (EP): N,N'-Bis[2-[[[2-[(dimethylamino)- methyl]thiazol-4-yl]methyl]sulphanyl]ethyl]-2- nitroethene-1,1-diamine1193434-63-7C20H33N7O2S4
Nizatidine Imp. H (EP) as Hydrochloride: 2-(Dimethyl- amino)thioacetamide Hydrochloride27366-72-9C4H11ClN2S
Nizatidine Imp. I (EP): N-[2-[[[2-[(Dimethylamino)methyl]thiazol-4-yl] methyl]sulfanyl]ethyl]-N'-methylurea82586-81-0C11H20N4OS2
Nizatidine Imp. J (EP) as Hydrochloride: [2-[(Dimethylamino)methyl] thiazol-4-yl]methanol Hydrochloride82586-70-7C7H13ClN2OS
Nizatidine Imp. K (EP): 3-(Methylamino)-5,6- dihydro-2H-1,4-thiazin-2-one Oxime148639-72-9C5H9N3OS
Nizatidine impurity 192759-37-0C7H13ClN2OS
Nizatidine impurity FNot availableC15H25N7O4S3
Nizatidine impurity FNot availableC15H25N7O4S3
Nizatidine Sulfone N-OxideNot availableC12H21N5O5S2
Nizatidine Sulfone N-Oxide (Nizatidine N,S,S-Trioxide)Not availableC12H21N5O5S2
Nizatidine Sulfoxide102273-13-2C12H21N5O3S2
Nomegestrol58691-88-6C21H28O3
Nomegestrol Acetate58652-20-3C23H30O4
Nomegestrol acetate for ID and assay CRS58652-20-3C23H30O4
Nomegestrol acetate impurity A32420-14-7C23H32O4
Nomegestrol acetate impurity A32420-14-7C23H32O4
Nomegestrol acetate impurity B58691-88-6C21H28O3
Nomegestrol acetate impurity B CRS58691-88-6C21H28O3
Non Sorodine Impurities207679-81-0C22H31NO2
nonadecafluoro-9-iodononane558-97-4C9F19I
Nor Mianserin71936-92-0C17H18N2
Nor Neostigmine-d6Not availableC11H16N2O2
Nor Scopolamine4684-28-0C16H19NO4
Nor Verapamil Hydrochloride67812-42-4C26H37ClN2O4
Nor-acetildenafil949091-38-7C24H32N6O3
Noradrenaline Acid Tartrate51-40-1C12H17NO9
Noradrenaline impurity DNot availableC9H13NO3
Noradrenaline impurity E99-40-1C8H7ClO3
Noradrenaline impurity F20455-68-9C14H16ClN
Noradrenaline impurity F20455-68-9C14H16ClN
Noradrenaline methyl etherNot availableC9H13NO3
Noradrenaline Tartrate Imp. A (EP): Adrenaline (L-Adrenaline)51-43-4C9H13NO3
Noradrenaline Tartrate Imp. C (EP) as Hydrochloride: Dopamine Hydrochloride62-31-7C8H12ClNO2
Noradrenaline Tartrate Imp. E (EP): 2-Chloro-1-(3,4-dihydroxyphenyl)ethanone99-40-1C8H7ClO3
Noradrenaline Tartrate Imp. F (EP) as Hydrochloride: N-Benzyl-1-phenylmethanamine Hydrochloride20455-68-9C14H16ClN
Norandrostenedione (19-Norandrost-4-ene-3,17-dione)734-32-7C18H24O2
Noratropine16839-98-8C16H21NO3
Norbuprenorphine78715-23-8C25H35NO4
Norcamphor497-38-1C7H10O
Norcodeine467-15-2C17H19NO3
Nordazepam1088-11-5C15H11ClN2O
Nordiphenhydramine17471-10-2C16H19NO
Nordiphenhydramine Hydrochloride53499-40-4C16H20ClNO
Nordosulepin Hydrochloride24881-70-7C18H20ClNS
Nordoxepin Hydrochloride2887-91-4C18H20ClNO
Norelgestromin (17-Deacetylnorgestimate)53016-31-2C21H29NO2
Norelgestromin-d61263184-13-9C21H29NO2
Norepinephrine EP Impurity B (Nitrendipine Impurity 11)499-61-6C8H9NO3
Norepinephrine EP Impurity B HCl5090-29-9C8H10ClNO3
Norepinephrine EP Impurity D1932110-67-2C9H13NO3
Norepinephrine EP impurity f hydrochloride salt20455-68-9C14H16ClN
Norepinephrine EP Impurity G13062-58-3C22H21NO3
Norepinephrine Impurity 160912-82-5C8H7ClO3
Norepinephrine Impurity 2408328-15-4C8H8O4
Norepinephrine Impurity 329477-54-1C8H8O4
Norepinephrine Impurity 53198-07-0C10H16ClNO3
Norepinephrine Impurity 93770-01-2C9H14ClNO3
Norepinephrine Impurity 101668-10-6C2H7ClN2O
Norepinephrine Impurity 1273660-93-2C8H11NO3
Norepinephrine Impurity 1328822-73-3C8H10O4
Norepinephrine Impurity 145530-29-0C8H9ClO3
Norepinephrine Impurity 16329-65-7C9H13NO3
Norepinephrine Impurity 182947-04-8C9H13NO3
Norepinephrine Impurity 193805-00-3C10H16ClNO3
Norepinephrine Impurity 2067896-55-3C8H9NO3
Norepinephrine Impurity 21490-89-1C8H7NO3
Norepinephrine Impurity 22926-61-4C3H4O3
Norepinephrine Impurity 231528622-09-4C9H13NO3
Norepinephrine Impurity 24373360-12-4C8H11NO3
Norepinephrine Impurity 251197-09-7C8H8O3
Norepinephrine Impurity 271894611-03-0C9H13NO3
Norepinephrine Impurity 33 (2-benzoquinone)583-63-1C6H4O2
Norepinephrine Impurity 44132261-26-8C8H12N2O2
Norepinephrine Impurity 4714309-96-7C8H9NO3
Norepinephrine Impurity 4824159-36-2C8H11NO5S
Norepinephrine Impurity 4935538-87-5C8H11NO6S
Norepinephrine Impurity 502948-15-4C10H8Cl2O4
Norepinephrine Impurity 52636-88-4C12H17NO9
Norepinephrine Impurity 56490-90-4C8H5NO3
Norepinephrine Impurity 57149-95-1C8H11NO3
Norepinephrine Impurity O252006-38-5C6H8O4
Norepinephrine sulfonic acid24159-36-2C8H11NO5S
Norepinephrine-D6 Hydrochloride1219803-04-9C8H12ClNO3
Norethindrone Acetate EP Impurity B19637-28-6C22H28O3
Norethindrone Acetate EP Impurity C1175129-26-6C22H28O3
Norethindrone Acetate EP Impurity E66964-58-7C22H30O4
Norethindrone Acetate EP Impurity F6856-27-5C22H28O4
Norethindrone Acetate EP Impurity G438244-27-0C22H26O4
Norethindrone Acetate EP Impurity HNot availableC25H34O3
Norethindrone Acetate EP Impurity I50717-99-2C24H32O3
Norethindrone EP Impurity A31528-46-8C20H24O2
Norethindrone EP Impurity C22933-71-7C20H26O2
Norethindrone EP Impurity D68-23-5C20H26O2
Norethindrone EP Impurity E79727-03-0C22H26O
Norethindrone EP Impurity F96487-85-3C22H30O2
Norethindrone EP Impurity G38673-36-8C20H26O2
Norethindrone EP Impurity H51724-44-8C20H26O3
Norethindrone Impurity 23836-23-5C27H38O3
Norethisterone acetate for system suitability51-98-9C22H28O3
Norethisterone Acetate Imp. A (EP): Norethisterone68-22-4C20H26O2
Norethisterone Acetate Imp. F (EP): 6 -Hydroxy-3-oxo-19-nor- 17 -pregn-4-en-20-yn-17-yl Acetate (6 -Hydroxynorethisterone Acetate)6856-27-5C22H28O4
Norethisterone Acetate Imp. G (EP): 3,6-Dioxo-19-nor-17 - pregn-4-en-20-yn-17-yl Acetate (6-Ketonorethisterone Acetate)438244-27-0C22H26O4
Norethisterone Acetate Imp. J (EP): Estr-4-ene-3,17-dione (Norandrostenedione; 19- Norandrost-4-ene-3,17-dione)734-32-7C18H24O2
Norethisterone acetate impurity 3106765-04-2C22H26O3
Norethisterone acetate impurity 46856-28-6C22H28O4
Norethisterone acetate impurity 640228-41-9C22H28Br2O4
Norethisterone acetate impurity 764850-62-0C22H28O2
Norethisterone acetate impurity 956470-64-5C28H38O4
Norethisterone Assay Standard68-22-4C20H26O2
Norethisterone for system suitability68-22-4C20H26O2
Norethisterone Imp. A (EP): 17-Hydroxy-19-nor- 17 -pregna-4,6-dien-20-yn-3-one (6,7-Didehydronorethisterone)31528-46-8C20H24O2
Norethisterone Imp. B (EP): Estr-4-ene-3,17-dione (Norandrostenedione)734-32-7C18H24O2
Norethisterone Imp. H (EP): 6 ,17-Dihydroxy-19-nor- 17 -pregn-4-en-20-yn-3-one (6 -Hydroxynorethisterone)51724-44-8C20H26O3
Norfenfluramine Hydrochloride673-18-7C10H13ClF3N
Norfentanyl (N-Phenyl-N-(piperidin-4-yl)propanamide)1609-66-1C14H20N2O
Norfloxacin D8 (piperazine D8)1216601-32-9C16H18FN3O3
Norfloxacin EP Impurity A68077-26-9C12H9ClFNO3
Norfloxacin EP Impurity B75001-77-3C14H16FN3O3
Norfloxacin EP Impurity C177554-64-2C20H27N5O3
Norfloxacin EP Impurity E75001-78-4C16H18ClN3O3
Norfloxacin EP Impurity F67681-84-9C16H18ClN3O3
Norfloxacin EP Impurity G70459-04-0C17H18FN3O4
Norfloxacin EP Impurity H105440-01-5C19H22FN3O5
Norfloxacin EP Impurity INot availableC19H22ClN3O5
Norfloxacin EP Impurity JNot availableC26H35N5O7
Norfloxacin EP Impurity K70459-07-3C15H16FN3O3
Norfloxacin Ethyl Ester74011-47-5C18H22FN3O3
Norfloxacin for peak identification70458-96-7C16H18FN3O3
Norfloxacin for system suitability70458-96-7C16H18FN3O3
Norfloxacin Imp. A (EP): 7-Chloro-1-ethyl-6-fluoro-4- oxo-1,4-dihydroquinoline-3-carboxylic Acid68077-26-9C12H9ClFNO3
Norfloxacin Imp. D (EP): 1-Ethyl-6-fluoro-7-(piperazin-1- yl)quinolin-4(1H)-one75001-82-0C15H18FN3O
Norfloxacin Imp. G (EP): 1-Ethyl-6-fluoro-7-(4-formyl- piperazin-1-yl)-4-oxo-1,4-dihydroquinoline- 3-carboxylic Acid70459-04-0C17H18FN3O4
Norfloxacin impurity A68077-26-9C12H8ClFNO3-
Norfloxacin impurity A68077-26-9C12H9ClFNO3
Norfloxacin impurity ANot availableC12H9ClFNO3
Norfloxacin Impurity D75001-82-0C15H18FN3O
Norfloxacin Isopropyl Ester1415841-37-0C19H24FN3O3
Norfloxacin Methyl Ester75001-83-1C17H20FN3O3
Norfloxacin Related Compound A68077-26-9C12H8ClFNO3-
Norfloxacin Related Compound E75001-78-4C16H18ClN3O3
Norfloxacin Related Compound H105440-01-5C19H22FN3O5
Norfloxacin Related Compound K70459-07-3C15H16FN3O3
Norfluoxetine Oxalate107674-50-0C18H18F3NO5
Norgestimate for system suitability35189-28-7C23H31NO3
Norgestimate Imp. A (EP): 13 -Ethyl-3-oxo-18,19-dinor-17 -pregn-4-en-20- yn-17-yl Acetate (Levonorgestrel Acetate)13732-69-9C23H30O3
Norgestimate Related Compound A13732-69-9C23H30O3
Norgestimate Related Compound A (Levonorgestrel Acetate)Not availableC23H30O3
Norgestrel Impurity 1848-04-4C20H26O2
Norgestrel-d6Not availableC21H28O2
Norhyoscine4684-28-0C16H19NO4
Norhyoscyamine537-29-1C16H21NO3
Norketamine Hydrochloride79499-59-5C12H15Cl2NO
NorKetotifen Hydrogen Fumarate930765-16-5C22H21NO5S
Norlidocaine Hydrochloride (Monoethylglycinexylidide Hydrochloride)7729-94-4C12H19ClN2O
Normaprotiline Hydrochloride5721-37-9C19H21N
Normeperidine77-17-8C14H19NO2
Normianserin Hydrochloride76134-77-5C17H19ClN2
Normorphine466-97-7C16H17NO3
Normorphine (7,8-Didehydro-4,5 - epoxymorphinan-3,6 -diol)466-97-7C16H17NO3
Norneo Vardenafil358390-39-3C18H20N4O4
Norneosildenafil371959-09-0C22H29N5O4S
Noroxycodone57664-96-7C17H19NO4
Noroxycodone HCl52446-25-0C17H20ClNO4
Noroxymorphone33522-95-1C16H17NO4
Noroxymorphone Hydrochloride52446-24-9C16H18ClNO4
Norpheniramine Maleate19428-44-5C19H22N2O4
Nortetrazepam10379-11-0C15H15ClN2O
Nortilidine HCl34596-11-7C16H22ClNO2
Nortriptyline for system suitability894-71-3C19H22ClN
Nortriptyline Hydrochloride Imp. A (EP): 10,11-Dihydro-5H-dibenzo- [a,d][7]annulen-5-one (Dibenzosuberone)1210-35-1C15H12O
Nortriptyline Hydrochloride Imp. B (EP) as Hydrochloride: 3-(5H-Dibenzo- [a,d][7]annulen-5-ylidene)-N-methylpropan-1- amine Hydrochloride (Norcyclobenzaprine Hydrochloride)438-59-5C19H20ClN
Nortriptyline Hydrochloride Imp. D (EP): 5-[3-(Dimethylamino)propyl]-10,11- dihydro-5H-dibenzo[a,d][7]annulen-5-ol1159-03-1C20H25NO
Nortriptyline Hydrochloride Imp. E (EP) as Hydrochloride: 3-(5H-Dibenzo- [a,d][7]annulen-5-ylidene)-N,N-dimethylpropan- 1-amine Hydrochloride (Cyclobenzaprine Hydrochloride)6202-23-9C20H22ClN
Nortriptyline Hydrochloride Imp. F (EP) as Hydrochloride: Amitriptyline Hydrochloride549-18-8C20H24ClN
Nortriptyline Hydrochloride Imp. G (EP): Ethyl [3-(10,11-Dihydro-5H-dibenzo[a,d][7] annulen-5-ylidene)propyl]methylcarbamate16234-88-1C22H25NO2
Nortriptyline Hydrochloride Imp. J (EP) as Hydrochloride: [3-(10,11-Dihydro- 5H-dibenzo[a,d][7]annulen-5-ylidene)propyl]- dimethylamine Oxide Hydrochloride (Amitriptyline N-Oxide Hydrochloride)4290-60-2C20H24ClNO
Nortriptyline-D3 Hydrochloride203784-52-5C19H22ClN
Nortropine538-09-0C7H13NO
nPOC-POC Tenofovir Fumarate (Mixture of Diastereomers)Not availableC23H34N5O14P
NSI-1891270138-40-3C22H30N4O
Nutriacholic Acid4651-67-6C24H38O4
Nystatin impurity 265086-32-0C47H75NO16
Nystatin impurity 4Not availableC47H75NO17
Nystatin impurity 6Not availableC47H75NO17
Nγ-Acetyl-L-2,4-diaminobutyric acid1190-46-1C6H12N2O3
O,O,O-Trimethyl-O-(3,5,6-trichloro-2-pyridinyl)diphosphosrodithioateNot availableC8H10Cl3NO5P2S2
O-4,6-Dideoxy-4-[{(1S,4R,5S,6S)-4,5,6-trihydroxy-3-(hydroxymethyl)cyclohex-2-enyl}amino]-alpha-D-glucopyranosyl-(1-4)-O-alpha-D-glucopyranosyl-(1-4)-D-arabino-hex-2-ulopyranose1013621-79-8C25H43NO18
O-Acetyl Losartan1006062-27-6C24H25ClN6O2
O-Acetyl N-Benzyloxycarbonyl Valganciclovir194159-22-3C24H30N6O8
O-Acetyl-(R)-phenylephrine HydrochlorideNot availableC11H16ClNO3
O-Acetylabacavir178456-36-5C16H20N6O2
O-Acetylbicalutamide1375105-24-0C20H16F4N2O5S
O-Acetylemtricitabine145032-08-2C10H12FN3O4S
O-Acetylemtricitabine145032-08-2C10H12FN3O4S
O-Acetylemtricitabine145032-08-2C10H12FN3O4S
O-Acetylfluphenazine2021-89-8C24H28F3N3O2S
O-Acetylfluphenazine2021-89-8C24H28F3N3O2S
O-Acetylhydroxychloroquine47493-14-1C20H28ClN3O2
O-Benzoyllamivudine143957-12-4C15H15N3O4S
O-Butyryltimolol106351-79-5C17H30N4O4S
O-Des(2-dimethylaminoethyl)-O-methyl ItoprideNot availableC17H19NO4
O-Desacetyl Diltiazem N-Oxide122619-90-3C20H24N2O4S
O-Desacetyl-N-desmethyl Diltiazem81353-09-5C19H22N2O3S
O-Desethyl Azilsartan1442400-68-1C23H16N4O5
O-Desethyl Candesartan168434-02-4C22H16N6O3
O-Desethyl Candesartan Cilexetil869631-11-8C31H30N6O6
O-Desethyl O-Isopropyl Dabigatran Etexilate1610758-19-4C35H43N7O5
O-Desethylrepaglinide1809091-07-3C25H32N2O4
O-Desethylrepaglinide (2-Hydroxy-4-[2-[[(1S)-3-methyl-1-[2-(1- piperidinyl)phenyl]butyl]amino]-2-oxoethyl]benzoic Acid)1809091-07-3C25H32N2O4
O-Desethylrepaglinide (2-Hydroxy-4-[2-[[(1S)-3-methyl-1-[2-(1-piperidinyl)phenyl]butyl]amino]-2-oxoethyl]benzoic Acid)1809091-07-3C25H32N2O4
O-DesethylvardenafilNot availableC21H28N6O4S
O-Desethylvardenafil (2-[2-Hydroxy-5-[(4-ethyl-1-piperazinyl)sulfonyl]phenyl]-5-methyl-7-propyl-imidazo[5,1-f][1,2,4]triazin-4(1H)-one)Not availableC21H28N6O4S
O-Desisobutyl-O-n-propyl Febuxostat1530308-87-2C15H14N2O3S
O-Desmethyl Adapalene125316-60-1C27H26O3
O-Desmethyl Carvedilol72956-44-6C23H24N2O4
O-Desmethyl Diltiazem84903-78-6C21H24N2O4S
O-Desmethyl Gefitinib847949-49-9C21H22ClFN4O3
O-Desmethyl Metoprolol62572-94-5C14H23NO3
O-Desmethyl Mycophenolate Mofetil (Impurity A)1322681-36-6C22H29NO7
O-Desmethyl Mycophenolic Acid31858-65-8C16H18O6
O-Desmethyl Olodaterol869493-97-0C20H24N2O5
O-Desmethyl Venlafaxine Cyclic Impurity1346601-55-5C16H23NO2
O-Desmethyl Venlafaxine Dimer1187545-62-5C33H50N2O4
O-Desmethyl Venlafaxine N-Dimer1187545-61-4C32H48N2O4
O-Desmethyl Venlafaxine N-Oxide1021933-95-8C16H25NO3
O-Desmethyl Venlafaxine-D61062605-69-9C16H25NO2
O-Desmethyllevomepromazine81607-63-8C18H22N2OS
O-Desmethyltramadol Hydrochloride185453-02-5C15H24ClNO2
O-Desmethylvenlafaxine Succinate Monohydrate386750-22-7C20H33NO7
O-Desmorpholinopropyl Gefitinib184475-71-6C15H11ClFN3O2
O-Desmorpholinopropyl-O-methyl-gefitinib153437-78-6C16H13ClFN3O2
O-FormylemtricitabineNot availableC9H10FN3O4S
O-Hydroxyethyl Metronidazole16156-94-8C8H13N3O4
o-Isopropylphenyl Phenyl PhosphateNot availableC15H17O4P
O-Loxoprofen1027400-34-5C15H18O3
O-Methyl Atovaquone129700-41-0C23H21ClO3
O-Methyl Mycophenolate Mofetil (EP Impurity D)1322681-37-7C24H33NO7
O-Methylcodeine2859-16-7C19H23NO3
O-Methylmeloxicam1391051-96-9C15H15N3O4S2
O-Naphthalen-2-yl Chlorothioformate10506-37-3C11H7ClOS
O-phthalaldehyde643-79-8C8H6O2
o-Torasemide106944-62-1C16H20N4O3S