Collection: Impurity Standards
QuantiMol impurity standards include related compounds, degradation products, process impurities, isomers, residuals, and pharmaceutical impurity materials. These products support analytical research, method validation, impurity profiling, and quality control studies.
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Sodium 4-hydroxybutane-1-sulfonate (Standard) [CAS 31465-25-5]
CAS: 31465-25-5 | SKU: QM-0051702 | Size: 1 Each Price on request -
Tert-butyl 3-oxo-4- (piperidin-4-yl) piperazine-1-carboxylate [CAS 856418-53-6]
CAS: 856418-53-6 | SKU: QM-0051669 | Size: 1 Each Price on request -
Tert-Butyl (8-hydroxyoctyl) carbamate [CAS 144183-31-3]
CAS: 144183-31-3 | SKU: QM-0051427-01 | Size: 250 mg£51.91 GBP -
T-Butyl 3- (hydroxypropoxyl) -propanoate [CAS 2100306-78-1]
CAS: 2100306-78-1 | SKU: QM-0051258-01 | Size: 100 mg£62.26 GBP -
Tert-Butyl (3S,4R) -3-fluoro-4- (hydroxymethyl) piperidine-1-carboxylate [CAS 1610418-19-3]
CAS: 1610418-19-3 | SKU: QM-0050802 | Size: 1 Each Price on request -
Tert-Butyl 3- (3-hydroxypropyl) azetidine-1-carboxylate [CAS 158602-43-8]
CAS: 158602-43-8 | SKU: QM-0050797 | Size: 1 Each Price on request -
Tert-Butyl (7-hydroxyheptyl) carbamate [CAS 173436-02-7]
CAS: 173436-02-7 | SKU: QM-0050415 | Size: 1 Each Price on request -
Sodium 2- (2-hydroxyethoxy) acetate [CAS 142047-97-0]
CAS: 142047-97-0 | SKU: QM-0050383-01 | Size: 25 mg£51.91 GBP -
Sodium 3-oxo-3H-benzo[d]isothiazol-2-ide 1,1-dioxide dihydrate (Standard) [CAS 6155-57-3]
CAS: 6155-57-3 | SKU: QM-0050078 | Size: 1 Each Price on request -
Tert-Butyl (trans-4-hydroxymethylcyclohexylmethyl) carbamate [CAS 172348-63-9]
CAS: 172348-63-9 | SKU: QM-0049363 | Size: 1 Each Price on request -
Tert-Butyl 1- (hydroxymethyl) -5-azaspiro[2.4]heptane-5-carboxylate [CAS 1330766-02-3]
CAS: 1330766-02-3 | SKU: QM-0049361 | Size: 1 Each Price on request -
Tert-Butyl 2- (hydroxymethyl) -7-azaspiro[3.5]nonane-7-carboxylate [CAS 1356476-27-1]
CAS: 1356476-27-1 | SKU: QM-0049359 | Size: 1 Each Price on request -
Tert-Butyl (trans-4- (hydroxymethyl) cyclohexyl) carbamate [CAS 239074-29-4]
CAS: 239074-29-4 | SKU: QM-0049338 | Size: 1 Each Price on request -
Tert-Butyl (4-hydroxybicyclo[2.2.2]octan-1-yl) carbamate [CAS 1252672-84-6]
CAS: 1252672-84-6 | SKU: QM-0049331 | Size: 1 Each Price on request -
Tert-Butyl (6-oxospiro[3.3]heptan-2-yl) carbamate [CAS 1118786-86-9]
CAS: 1118786-86-9 | SKU: QM-0049329 | Size: 1 Each Price on request -
Sodium 5-hydroxypentanoate [CAS 37435-69-1]
CAS: 37435-69-1 | SKU: QM-0049325-01 | Size: 5 g£59.16 GBP -
Tert-Butyl (cis-3- (hydroxymethyl) cyclobutyl) carbamate [CAS 142733-64-0]
CAS: 142733-64-0 | SKU: QM-0049300 | Size: 1 Each Price on request -
Tert-Butyl ((3-oxocyclobutyl) methyl) carbamate [CAS 130369-09-4]
CAS: 130369-09-4 | SKU: QM-0049299 | Size: 1 Each Price on request -
Tert-Butyl 3-hydroxypropanoate [CAS 59854-11-4]
CAS: 59854-11-4 | SKU: QM-0049226 | Size: 1 Each Price on request -
Tert-Butyl 2-oxo-6-azaspiro[3.4]octane-6-carboxylate [CAS 203661-71-6]
CAS: 203661-71-6 | SKU: QM-0049164 | Size: 1 Each Price on request -
Tert-Butyl (4-hydroxycyclohexyl) carbamate [CAS 224309-64-2]
CAS: 224309-64-2 | SKU: QM-0049127 | Size: 1 Each Price on request -
Tert-Butyl 3- (2-hydroxyethoxy) azetidine-1-carboxylate [CAS 1146951-82-7]
CAS: 1146951-82-7 | SKU: QM-0048916 | Size: 1 Each Price on request -
Tert-Butyl ((4-oxocyclohexyl) methyl) carbamate [CAS 809273-70-9]
CAS: 809273-70-9 | SKU: QM-0048854 | Size: 1 Each Price on request -
Tert-Butyl 3- (2-hydroxyethyl) azetidine-1-carboxylate [CAS 152537-03-6]
CAS: 152537-03-6 | SKU: QM-0048775 | Size: 1 Each Price on request -
Tert-Butyl (4-hydroxybutyl) carbamate [CAS 75178-87-9]
CAS: 75178-87-9 | SKU: QM-0048450 | Size: 1 Each Price on request -
Tert-Butyl (6-hydroxyhexyl) carbamate [CAS 75937-12-1]
CAS: 75937-12-1 | SKU: QM-0048388-01 | Size: 250 mg£51.91 GBP -
Sodium 2-hydroxybutanoate (Standard) [CAS 5094-24-6]
CAS: 5094-24-6 | SKU: QM-0048265-01 | Size: 10 mg£57.09 GBP -
Tert-Butyl 2-oxo-7-azaspiro[3.5]nonane-7-carboxylate [CAS 203661-69-2]
CAS: 203661-69-2 | SKU: QM-0047784-01 | Size: 1 g£51.91 GBP -
Sodium 3-methyl-2-oxobutanoate (Standard) [CAS 3715-29-5]
CAS: 3715-29-5 | SKU: QM-0047696-01 | Size: 25 mg£71.58 GBP -
Tert-Butyl (3- (hydroxymethyl) bicyclo[1.1.1]pentan-1-yl) carbamate [CAS 1638765-26-0]
CAS: 1638765-26-0 | SKU: QM-0047427 | Size: 100 mg£51.91 GBP -
Terbufoxon sulfoxide [CAS 56165-57-2]
CAS: 56165-57-2 | SKU: QM-0024515 | Size: 1 mg£753.49 GBP -
Tauro-12-oxolithocholanoic acid (sodium) [CAS 2707415-29-8]
CAS: 2707415-29-8 | SKU: QM-0023511 | Size: 1 Each Price on request -
Tauro-3α,6α,7α,12α-tetrahydroxy bile acid (sodium) [CAS 2936622-38-5]
CAS: 2936622-38-5 | SKU: QM-0023504 | Size: 1 Each Price on request -
Tauro-3β,5α,6β-trihydroxycholanoic acid (sodium) [CAS 1917340-42-1]
CAS: 1917340-42-1 | SKU: QM-0023495 | Size: 1 Each Price on request -
Tert-Butyl (trans-4- (2-hydroxyethyl) cyclohexyl) carbamate [CAS 917342-29-1]
CAS: 917342-29-1 | SKU: QM-0017783-01 | Size: 100 mg£51.91 GBP -
Tert-Butyl (S) -2- (4-fluoro-3,5-dimethylphenyl) -4-methyl-3- (2-oxo-2,3-dihydro-1H-imidazol-1-yl) -2,4,6,7-tetrahydro-5H-pyrazolo[4,3-c]pyridine-5-carboxylate [CAS 2212021-61-7]
CAS: 2212021-61-7 | SKU: QM-0017388-01 | Size: 100 mg£51.91 GBP -
Tert-Butyl (2-oxo-2- ((2,2,2-trifluoroethyl) amino) ethyl) carbamate [CAS 1231755-15-9]
CAS: 1231755-15-9 | SKU: QM-0017364-01 | Size: 100 mg£426.65 GBP -
Solifenacin N-oxide [CAS 180272-28-0]
CAS: 180272-28-0 | SKU: QM-0017285-01 | Size: 1 mg£418.14 GBP -
Tert-Butyl (1S) -3-oxo-2-azabicyclo[2.2.1]heptane-2-carboxylate [CAS 204913-00-8]
CAS: 204913-00-8 | SKU: QM-0017246-01 | Size: 25 mg£51.91 GBP -
Tert-Butyl ((R) -1- (5- ((S) -1-amino-3-oxo-3- (tritylamino) propyl) -1,2,4-oxadiazol-3-yl) -2- (tert-butoxy) ethyl) carbamate [CAS 1673535-02-8]
CAS: 1673535-02-8 | SKU: QM-0017239-01 | Size: 25 mg£432.73 GBP -
Tert-Butyl 3-oxo-2-azabicyclo[2.2.1]heptane-2-carboxylate [CAS 167081-32-5]
CAS: 167081-32-5 | SKU: QM-0017231-01 | Size: 100 mg£57.09 GBP -
Tert-Butyl (2- (2-chloro-4- (3- ((2- (2,6-dioxopiperidin-3-yl) -1-oxoisoindolin-5-yl) methyl) ureido) phenethoxy) ethyl) (methyl) carbamate [CAS 2722698-02-2]
CAS: 2722698-02-2 | SKU: QM-0017108-01 | Size: 25 mg£551.80 GBP -
Tert-Butyl (6-hydroxyspiro[3.3]heptan-2-yl) carbamate [CAS 1000933-99-2]
CAS: 1000933-99-2 | SKU: QM-0017093-01 | Size: 100 mg£51.91 GBP -
Tert-Butyl (1S,4S,5R) -5-hydroxy-2-azabicyclo[2.2.1]heptane-2-carboxylate [CAS 1932042-59-5]
CAS: 1932042-59-5 | SKU: QM-0017080-01 | Size: 50 mg£97.00 GBP -
Tert-Butyl (7-oxoheptyl) carbamate [CAS 133728-25-3]
CAS: 133728-25-3 | SKU: QM-0016921 | Size: 1 Each Price on request -
Tert-Butyl (R) -2- (3- (3- (3,4-dimethoxyphenyl) -1-hydroxypropyl) phenoxy) acetate [CAS 178445-89-1]
CAS: 178445-89-1 | SKU: QM-0016919-01 | Size: 5 mg£108.25 GBP -
Tert-Butyl 2- (5-chloro-2,2'-dioxospiro[indole-3,3'-pyrrolidine]-1-yl) acetate [CAS 916048-02-7]
CAS: 916048-02-7 | SKU: QM-0006179-01 | Size: 1 mg£381.69 GBP -
Tamoxifen N-oxide (Standard) [CAS 75504-34-6]
CAS: 75504-34-6 | SKU: QM-0005925 | Size: 1 Each Price on request -
Tarloxotinib (bromide) [CAS 1636180-98-7]
CAS: 1636180-98-7 | SKU: QM-0154819-01 | Size: 1 mg£269.91 GBP -
Tert-Butyl (2-hydrazinyl-2-oxoethyl) carbamate [CAS 6926-09-6]
CAS: 6926-09-6 | SKU: QM-0155988-01 | Size: 5 g£37.94 GBP -
Sodium 3-Methyl-2-oxobutanoic acid-13C2 [CAS 634908-42-2]
CAS: 634908-42-2 | SKU: QM-0201813-01 | Size: 25 mg£78.82 GBP -
Tert-Butyl (2S,4R) -4-hydroxy-2-hydroxymethylpyrrolidine-1-carboxylate [CAS 61478-26-0]
CAS: 61478-26-0 | SKU: QM-0156190-01 | Size: 10 g£51.91 GBP -
Spartioidine N-oxide [CAS 121123-61-3]
CAS: 121123-61-3 | SKU: QM-0165048-01 | Size: 1 mg£1,319.67 GBP -
Sodium 3-methyl-2-oxobutanoate-d1 hydrate
SKU: QM-0192113-01 | Size: 1 mg Price on request -
Tert-Butyl 3-hydroxypyrrolidine-1-carboxylate [CAS 103057-44-9]
CAS: 103057-44-9 | SKU: QM-0191657-01 | Size: 25 g£51.91 GBP -
Sodium 2-oxobutanoate-13C4, d2 (hydrate) [CAS 1049736-26-6]
CAS: 1049736-26-6 | SKU: QM-0191121-01 | Size: 5 mg Price on request -
Tert-Butyl 3-oxoazetidine-1-carboxylate [CAS 398489-26-4]
CAS: 398489-26-4 | SKU: QM-0156072-01 | Size: 25 g£51.91 GBP -
Tans-4-Hydroxy-D-proline (hydrochloride) [CAS 142347-81-7]
CAS: 142347-81-7 | SKU: QM-0189192-01 | Size: 1 g£51.91 GBP -
Sodium 3-methyl-2-oxobutanoate-13C2, d1 [CAS 1216972-87-0]
CAS: 1216972-87-0 | SKU: QM-0188635-01 | Size: 50 mg£840.97 GBP -
Sodium 3-methyl-2-oxobutanoate-13C2, d4 [CAS 1007477-29-3]
CAS: 1007477-29-3 | SKU: QM-0188251-01 | Size: 5 mg Price on request -
Sorafenib N-oxide [CAS 583840-03-3]
CAS: 583840-03-3 | SKU: QM-0144557-01 | Size: 1 mg£438.80 GBP -
Sodium 3-methyl-2-oxobutanoate-13C5 [CAS 1173018-24-0]
CAS: 1173018-24-0 | SKU: QM-0186407-01 | Size: 5 mg£275.99 GBP -
Sodium 2- ((hydroxymethyl) amino) acetate [CAS 70161-44-3]
CAS: 70161-44-3 | SKU: QM-0185388-01 | Size: 250 mg£52.44 GBP -
Sodium 2-oxobutanoate-d2 (hydrate)
SKU: QM-0185157-01 | Size: 5 mg Price on request -
Tamoxifen N-oxide [CAS 75504-34-6]
CAS: 75504-34-6 | SKU: QM-0144264-01 | Size: 1 mg£200.66 GBP -
Sodium 2-hydroxybutanoate [CAS 5094-24-6]
CAS: 5094-24-6 | SKU: QM-0179085-01 | Size: 1 g£67.44 GBP -
Sodium 2-oxobutanoate [CAS 2013-26-5]
CAS: 2013-26-5 | SKU: QM-0176698-01 | Size: 1 g£51.91 GBP -
Sodium 3-methyl-2-oxobutanoate [CAS 3715-29-5]
CAS: 3715-29-5 | SKU: QM-0175169-01 | Size: 500 mg£78.82 GBP -
Sulfamoxole [CAS 729-99-7]
CAS: 729-99-7 | SKU: QM-0160099-01 | Size: 5 mg£67.44 GBP -
Sodium 2-oxobutanoate-13C4 [CAS 2483736-24-7]
CAS: 2483736-24-7 | SKU: QM-0166387-01 | Size: 5 mg£194.59 GBP -
Sodium Hyaluronate Hydroxypropyltrimonium Chloride [CAS 1714127-68-0]
CAS: 1714127-68-0 | SKU: QM-0135454 | Size: 1 Each Price on request -
Sodium 3-methyl-2-oxobutanoate-13C, d4-1 [CAS 2483824-45-7]
CAS: 2483824-45-7 | SKU: QM-0131515 | Size: 1 mg Price on request -
Sodium 2-oxobutanoate-13C, d2 [CAS 1189500-69-3]
CAS: 1189500-69-3 | SKU: QM-0130963-01 | Size: 10 mg£216.46 GBP -
Sodium 2- ((2,6-dimethylphenyl) (2- (methoxy-d3) ethyl) amino) -2-oxoethane-1-sulfonate
SKU: QM-0130262 | Size: 1 Each Price on request -
Sodium 3-methyl-2-oxobutanoate-d7 [CAS 2483831-46-3]
CAS: 2483831-46-3 | SKU: QM-0125969-01 | Size: 5 mg£67.44 GBP -
Sodium 2-oxobutanoate-13C, d4 [CAS 2483824-49-1]
CAS: 2483824-49-1 | SKU: QM-0119421-01 | Size: 10 mg£514.13 GBP -
Sodium 2-oxobutanoate-13C (hydrate) [CAS 634908-43-3]
CAS: 634908-43-3 | SKU: QM-0117426-01 | Size: 100 mg£589.46 GBP -
Sulfoxone (disodium) [CAS 144-75-2]
CAS: 144-75-2 | SKU: QM-0073730 | Size: Inquire Price on request -
Sulfamoxole (Standard) [CAS 729-99-7]
CAS: 729-99-7 | SKU: QM-0106466 | Size: 1 Each Price on request -
Sodium 3-methyl-2-oxobutanoate-13C, d4 [CAS 1202865-40-4]
CAS: 1202865-40-4 | SKU: QM-0104122 | Size: 1 mg Price on request -
Sodium 3-methyl-2-oxobutanoate-13C5, d1 [CAS 420095-74-5]
CAS: 420095-74-5 | SKU: QM-0103810 | Size: 1 mg Price on request -
Sodium 2- ((4-fluorophenyl) (isopropyl) amino) -2-oxoethane-1-sulfonate-d7
SKU: QM-0103713 | Size: 1 Each Price on request -
Spartioidine N-oxide (Standard) [CAS 121123-61-3]
CAS: 121123-61-3 | SKU: QM-0095338 | Size: 1 Each Price on request -
Sodium 2- ((2,6-bis (methyl-d3) phenyl-3,4,5-d3) amino) -2-oxoethane-1-sulfonate
SKU: QM-0094965 | Size: 1 Each Price on request -
Sodium 2-hydroxybutanoate-d3 [CAS 1219798-97-6]
CAS: 1219798-97-6 | SKU: QM-0085914 | Size: 1 mg£124.00 GBP -
Sodium 3-methyl-2-oxobutanoate-13C4, d3 [CAS 1215605-14-3]
CAS: 1215605-14-3 | SKU: QM-0084600 | Size: 1 mg Price on request -
Sodium 2-oxobutanoate-13C4, d2 [CAS 360769-17-1]
CAS: 360769-17-1 | SKU: QM-0084111 | Size: 1 mg Price on request -
Tert-Butyl (1-hydroxypropan-2-yl) carbamate-d6 [CAS 2243764-35-2]
CAS: 2243764-35-2 | SKU: QM-0082596 | Size: 1 mg Price on request -
Quinidine-d3 N-Oxide
SKU: QM-0053553 | Size: 1 Each Price on request -
Regorafenib N-oxide and N-desmethyl (M5) -d3-1
SKU: QM-0053099 | Size: 1 Each Price on request -
Simvastatin Hydroxy Acid Sodium Salt-d6
SKU: QM-0053065 | Size: 1 Each Price on request -
Pentyl 4-hydroxybenzoate-d11 [CAS 1216496-15-9]
CAS: 1216496-15-9 | SKU: QM-0052826-01 | Size: 5 mg£291.78 GBP -
Rel- (3R,4S,5S) -1- (2-Hydroxyethyl) -2- (hydroxymethyl) piperidine-3,4,5-triol hydrochloride [CAS 1322625-07-9]
CAS: 1322625-07-9 | SKU: QM-0052235 | Size: 1 mg£1,933.25 GBP -
Poly (4-hydroxy-2,2,6,6-tetramethyl-1-piperidineethanol-alt-1,4-butanedioic acid) (Standard) [CAS 65447-77-0]
CAS: 65447-77-0 | SKU: QM-0050914 | Size: 1 Each Price on request -
Potassium 6-hydroxyhexanoate [CAS 21810-34-4]
CAS: 21810-34-4 | SKU: QM-0050401-01 | Size: 1 g£51.91 GBP -
Phenyl 4-hydroxybenzoate (Standard) [CAS 17696-62-7]
CAS: 17696-62-7 | SKU: QM-0048396 | Size: 1 Each Price on request -
Riddelliine N-oxide [CAS 75056-11-0]
CAS: 75056-11-0 | SKU: QM-0023922 | Size: 1 Each Price on request -
Salicylate hydroxylase, Microorganism [CAS 9059-28-3]
CAS: 9059-28-3 | SKU: QM-0020878-01 | Size: 1 KU£678.15 GBP -
S-[a- (Hydroxymethyl) benzeneacetate]-CoA [CAS 74717-87-6]
CAS: 74717-87-6 | SKU: QM-0019868 | Size: 1 Each Price on request -
S-[ (2S) -3-Hydroxy-2-methylpropanoate]-CoA [CAS 319440-43-2]
CAS: 319440-43-2 | SKU: QM-0019860 | Size: 1 Each Price on request -
S-Hydroxymethyl-glutathione-CoA
SKU: QM-0019850 | Size: 1 Each Price on request -
S-Hydroxycysteine-CoA
SKU: QM-0019848 | Size: 1 Each Price on request -
S- (Hydrogen3-hydroxypentanedioate) -CoA [CAS 35192-10-0]
CAS: 35192-10-0 | SKU: QM-0019817 | Size: 1 Each Price on request -
S- (Hydrogen3-ethyl-3-hydroxypentanedioate) -CoA [CAS 69925-08-2]
CAS: 69925-08-2 | SKU: QM-0019814 | Size: 1 Each Price on request -
S- (4-Carboxy-3-hydroxy-3-methylbutyl) -CoA [CAS 78901-91-4]
CAS: 78901-91-4 | SKU: QM-0019794 | Size: 1 Each Price on request -
S- (3-Oxohexacosanoate) -CoA [CAS 1245945-35-0]
CAS: 1245945-35-0 | SKU: QM-0019792 | Size: 1 Each Price on request -
S- (3-Oxobutyl) -CoA [CAS 81790-81-0]
CAS: 81790-81-0 | SKU: QM-0019790 | Size: 1 Each Price on request -
S- (2-Hydroxypentadecyl) -CoA [CAS 152127-36-1]
CAS: 152127-36-1 | SKU: QM-0019787 | Size: 1 Each Price on request -
S, S- (2-Hydroxyethyl) thiocysteine-CoA
SKU: QM-0019786 | Size: 1 Each Price on request -
S-[2-[[4-[ (3-Aminopropyl) amino]butyl]amino]-2-oxoethyl]-CoA [CAS 83889-68-3]
CAS: 83889-68-3 | SKU: QM-0019686 | Size: 1 Each Price on request -
S-[2-[[2- (1H-Indol-3-yl) ethyl]amino]-2-oxoethyl]-COA [CAS 210549-95-4]
CAS: 210549-95-4 | SKU: QM-0019214 | Size: 1 Each Price on request -
Prednisone 21-aldehyde/22-hydroxy Prednisone
SKU: QM-0014155 | Size: 1 Each Price on request -
Poly (3-hydroxybutyric acid-co-3-hydroxyvaleric acid) [CAS 80181-31-3]
CAS: 80181-31-3 | SKU: QM-0010532-01 | Size: 1 g£339.17 GBP -
Pyrazole N-Desmethyl sildenafil [CAS 139755-95-6]
CAS: 139755-95-6 | SKU: QM-0010473-01 | Size: 1 mg£431.51 GBP -
SM-102 N-Oxide [CAS 2824195-50-6]
CAS: 2824195-50-6 | SKU: QM-0007863 | Size: 1 Each Price on request -
Propoxyphenyl-thiohydroxyhomosildenafil-d4
SKU: QM-0007049 | Size: 1 Each Price on request -
Rel-4-Nitrobenzyl (2S,4R) -2- (dimethylcarbamoyl) -4-hydroxypyrrolidine-1-carboxylate-d6 [CAS 1246814-87-8]
CAS: 1246814-87-8 | SKU: QM-0006933-01 | Size: 10 mg Price on request -
Rel- (αR, βR) -β- (2,4-Difluorophenyl) -β-hydroxy-α-methyl-1H-1,2,4-triazole-1-butanoic acid-d3 [CAS 1329610-75-4]
CAS: 1329610-75-4 | SKU: QM-0006922-01 | Size: 10 mg Price on request -
Phenoxodiol (Standard) [CAS 81267-65-4]
CAS: 81267-65-4 | SKU: QM-0006437-01 | Size: 1 mg£250.47 GBP -
Rel-Hydroxy Itraconazole [CAS 207970-87-4]
CAS: 207970-87-4 | SKU: QM-0005377 | Size: 1 Each Price on request