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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Pipoxolan (hydrochloride) [CAS 18174-58-8]
CAS: 18174-58-8 | SKU: QM-0002958 | Size: 1 Each Price on request -
Proxodolol (free base) [CAS 152289-58-2]
CAS: 152289-58-2 | SKU: QM-0002764 | Size: 1 Each Price on request -
Roflumilast N-oxide (Standard) [CAS 292135-78-5]
CAS: 292135-78-5 | SKU: QM-0001951-01 | Size: 1 mg£118.38 GBP -
Roflumilast N-oxide [CAS 292135-78-5]
CAS: 292135-78-5 | SKU: QM-0079528-01 | Size: 10 mM - 1 mL£119.50 GBP -
Phenoxodiol [CAS 81267-65-4]
CAS: 81267-65-4 | SKU: QM-0077186-01 | Size: 5 mg£275.99 GBP -
Piribedil N-oxide [CAS 53954-71-5]
CAS: 53954-71-5 | SKU: QM-0144541-01 | Size: 1 mg£44.16 GBP -
PROTAC TYK2 degradation agent1 [CAS 2921556-14-9]
CAS: 2921556-14-9 | SKU: QM-0077372-01 | Size: 1 mg£1,229.77 GBP -
Prinoxodan [CAS 111786-07-3]
CAS: 111786-07-3 | SKU: QM-0205055-01 | Size: 5 mg£275.99 GBP -
Sinomenine N-oxide [CAS 1000026-77-6]
CAS: 1000026-77-6 | SKU: QM-0150480-01 | Size: 1 mg£140.88 GBP -
S- (4-Hydroxybenzyl) glutathione [CAS 129636-38-0]
CAS: 129636-38-0 | SKU: QM-0200596-01 | Size: 1 mg£118.38 GBP -
Phosmet oxon [CAS 3735-33-9]
CAS: 3735-33-9 | SKU: QM-0140341-01 | Size: 1 mg£325.81 GBP -
Roflumilast-d4 N-Oxide [CAS 1794760-31-8]
CAS: 1794760-31-8 | SKU: QM-0151479-01 | Size: 100 µg£200.66 GBP -
S- (1-Hydroxy-2-methylpropan-2-yl) methanesulfonothioate [CAS 2127875-65-2]
CAS: 2127875-65-2 | SKU: QM-0142994-01 | Size: 50 mg£652.64 GBP -
Potassium oxonate [CAS 2207-75-2]
CAS: 2207-75-2 | SKU: QM-0154675-01 | Size: 500 mg£51.91 GBP -
Polidocanol, Hydroxyl Value 40-60 mgKOH/g [CAS 9002-92-0]
CAS: 9002-92-0 | SKU: QM-0160347-01 | Size: 500 mg£51.91 GBP -
Potassium 2-hydroxy-2-methylsuccinate [CAS 1030365-02-6]
CAS: 1030365-02-6 | SKU: QM-0155788-01 | Size: 25 mg£51.91 GBP -
Pinocembrin 7-O-[3''-O-galloyl-4'',6''-hexahydroxydiphenoyl]-β-D-glucoside [CAS 205370-59-8]
CAS: 205370-59-8 | SKU: QM-0165775-01 | Size: 1 mg£288.14 GBP -
Senecionine N-oxide [CAS 13268-67-2]
CAS: 13268-67-2 | SKU: QM-0165968-01 | Size: 1 mg£188.51 GBP -
Raloxifene N-Oxide [CAS 195454-31-0]
CAS: 195454-31-0 | SKU: QM-0145121-01 | Size: 5 mg£551.80 GBP -
Seneciphylline N-Oxide [CAS 38710-26-8]
CAS: 38710-26-8 | SKU: QM-0165047-01 | Size: 1 mg£476.46 GBP -
Rac-trans-N-Desmethyl sertraline-d3 (hydrochloride)
SKU: QM-0146839-01 | Size: 1 mg£1,179.95 GBP -
Senecionine N-oxide-d3
SKU: QM-0165969 | Size: 1 mg£5,309.73 GBP -
Regorafenib N-oxide and N-desmethyl (M5) -d3
SKU: QM-0112904-01 | Size: 1 mg Price on request -
S- (-) -7-Desmethyl-8-nitro blebbistatin [CAS 856925-75-2]
CAS: 856925-75-2 | SKU: QM-0144578-01 | Size: 1 mg£407.21 GBP -
Pyridoxol 5'-phosphate-d3
SKU: QM-0137985-01 | Size: 5 mg Price on request -
Pimozide-d5 N-Oxide [CAS 1794795-40-6]
CAS: 1794795-40-6 | SKU: QM-0142973-01 | Size: 10 mg Price on request -
Rel- (2R,3S) -2,3-Dihydroxysuccinic acid (hydrate) [CAS 5990-63-6]
CAS: 5990-63-6 | SKU: QM-0142528-01 | Size: 100 mg£72.61 GBP -
Retrorsine N-oxide [CAS 15503-86-3]
CAS: 15503-86-3 | SKU: QM-0139005-01 | Size: 1 mg£452.17 GBP -
Podophyllotoxone [CAS 477-49-6]
CAS: 477-49-6 | SKU: QM-0164939-01 | Size: 5 mg£116.13 GBP -
Rinderine N-oxide [CAS 137821-16-0]
CAS: 137821-16-0 | SKU: QM-0143680-01 | Size: 1 mg£1,053.59 GBP -
Sarracine N-oxide [CAS 19038-27-8]
CAS: 19038-27-8 | SKU: QM-0167790 | Size: 1 Each Price on request -
Rel- (9R,10R) -9,10-Dihydroxyhexadecanoic acid [CAS 2027-46-5]
CAS: 2027-46-5 | SKU: QM-0153924 | Size: 1 Each Price on request -
Simvastatin hydroxy acid (sodium) [CAS 101314-97-0]
CAS: 101314-97-0 | SKU: QM-0059002-01 | Size: 1 mg£67.44 GBP -
Riodoxol [CAS 19403-92-0]
CAS: 19403-92-0 | SKU: QM-0057933-01 | Size: 1 g£233.47 GBP -
Quinidine N-oxide [CAS 70116-00-6]
CAS: 70116-00-6 | SKU: QM-0134567 | Size: 1 mg£482.54 GBP -
Pentyl 4-hydroxybenzoate-d4 [CAS 1219798-66-9]
CAS: 1219798-66-9 | SKU: QM-0134238 | Size: 1 mg Price on request -
Rel-Hydroxycotinine-d3 [CAS 159956-78-2]
CAS: 159956-78-2 | SKU: QM-0132592 | Size: 1 mg Price on request -
Raloxifene N-Oxide (Standard) [CAS 195454-31-0]
CAS: 195454-31-0 | SKU: QM-0132474 | Size: 1 Each Price on request -
S-30-Hydroxygambogic acid [CAS 881027-36-7]
CAS: 881027-36-7 | SKU: QM-0132376 | Size: 1 Each Price on request -
Proxodolol [CAS 152289-59-3]
CAS: 152289-59-3 | SKU: QM-0083773 | Size: 1 Each Price on request -
Samidorphan isoquinoline dioxolane [CAS 361525-83-9]
CAS: 361525-83-9 | SKU: QM-0127198-01 | Size: 1 mg£539.64 GBP -
R- (-) -7-Desmethyl-8-nitro blebbistatin [CAS 1217619-62-9]
CAS: 1217619-62-9 | SKU: QM-0123452-01 | Size: 1 mg£467.96 GBP -
Poly (2-hydroxyethyl methacrylate) (Mv 20000) [CAS 25249-16-5]
CAS: 25249-16-5 | SKU: QM-0058526 | Size: 100 mg£67.44 GBP -
Poly (2-hydroxyethyl methacrylate) (Mv 300000) [CAS 25249-16-5]
CAS: 25249-16-5 | SKU: QM-0122514-01 | Size: 1 g£100.38 GBP -
Prolyl Hydroxylase inhibitor 1 [CAS 2205125-60-4]
CAS: 2205125-60-4 | SKU: QM-0058506 | Size: 1 Each Price on request -
Risdiplam-hydroxylate-d3
SKU: QM-0122343 | Size: 1 mg Price on request -
Phosmet oxon (Standard) [CAS 3735-33-9]
CAS: 3735-33-9 | SKU: QM-0120018 | Size: 1 Each Price on request -
Rizatriptan N-oxide [CAS 260435-42-5]
CAS: 260435-42-5 | SKU: QM-0117844-01 | Size: 5 mg£1,238.27 GBP -
Retronecine N-oxide [CAS 6870-33-3]
CAS: 6870-33-3 | SKU: QM-0116941 | Size: 1 Each Price on request -
Simvastatin-d6 hydroxy acid (ammonium)
SKU: QM-0116867 | Size: 1 mg£768.07 GBP -
Propiverine N-oxide [CAS 111071-96-6]
CAS: 111071-96-6 | SKU: QM-0115426 | Size: 1 Each Price on request -
Scopolamine N-oxide hydrobromide
SKU: QM-0000902 | Size: 100 mg£89.80 GBP -
Pentyl 4-hydroxybenzoate [CAS 6521-29-5]
CAS: 6521-29-5 | SKU: QM-0111524-01 | Size: 25 mg£93.63 GBP -
R-30-Hydroxygambogic acid [CAS 881027-35-6]
CAS: 881027-35-6 | SKU: QM-0106269-01 | Size: 1 mg£678.15 GBP -
Phenylmethyl 2- (β-D-glucopyranosyloxy) -6-hydroxybenzoate [CAS 403857-21-6]
CAS: 403857-21-6 | SKU: QM-0105112 | Size: 1 Each Price on request -
Poly (2-hydroxyethyl methacrylate) (Mv 1000000) [CAS 25249-16-5]
CAS: 25249-16-5 | SKU: QM-0058527-01 | Size: 250 mg£78.82 GBP -
Scandine N-oxide [CAS 140701-69-5]
CAS: 140701-69-5 | SKU: QM-0101326 | Size: 1 Each Price on request -
Regorafenib N-oxide and N-desmethyl (M5) [CAS 835621-12-0]
CAS: 835621-12-0 | SKU: QM-0098063-01 | Size: 25 mg£129.63 GBP -
SDMA (p-hydroxyazobenzene-p′-sulfonate) [CAS 1266235-58-8]
CAS: 1266235-58-8 | SKU: QM-0081234 | Size: 1 Each Price on request -
R- (+) -Mono-desmethylsibutramine [CAS 229639-54-7]
CAS: 229639-54-7 | SKU: QM-0095358 | Size: 1 Each Price on request -
S- (3) -Hydroxymyristic acid, methyl ester [CAS 76835-67-1]
CAS: 76835-67-1 | SKU: QM-0094643-01 | Size: 25 mg£235.90 GBP -
Prasugrel hydroxy thiolactone [CAS 947502-66-1]
CAS: 947502-66-1 | SKU: QM-0093713-01 | Size: 1 mg£815.45 GBP -
S- (3-Hydroxydodecanoate) -CoA [CAS 72059-49-5]
CAS: 72059-49-5 | SKU: QM-0090878 | Size: 1 mg Price on request -
Potassium 2,5-dihydroxybenzenesulfonate [CAS 21799-87-1]
CAS: 21799-87-1 | SKU: QM-0090259-01 | Size: 25 g£51.91 GBP -
Rel- (2R,4R) -2,4-Bis (3,4,5-trimethoxyphenyl) -1,3-dioxolane [CAS 116673-45-1]
CAS: 116673-45-1 | SKU: QM-0089258-01 | Size: 1 mg£235.90 GBP -
Regorafenib N-oxide and N-desmethyl (M5) -13C6
SKU: QM-0057914 | Size: 1 mg Price on request -
Risdiplam-hydroxylate-d6
SKU: QM-0086912 | Size: 1 mg Price on request -
Rac 3,4-Dihydroxymandelic Acid-d3
SKU: QM-0086725-01 | Size: 5 mg£521.42 GBP -
O6- (2-Hydroxypropyl) -2'-deoxyguanosine-d3
SKU: QM-0054318 | Size: 1 Each Price on request -
O-Desmethyl midostaurin-13C6
SKU: QM-0054068 | Size: 1 Each Price on request -
P-Hydroxybenzaldehyde-13C6 [CAS 201595-48-4]
CAS: 201595-48-4 | SKU: QM-0053890-01 | Size: 1 mg£702.46 GBP -
O-tert-Butyl-2-hydroxy efavirenz-d5
SKU: QM-0053057 | Size: 1 Each Price on request -
O-Desmethyl ranolazine [CAS 172430-45-4]
CAS: 172430-45-4 | SKU: QM-0052774-01 | Size: 1 mg£1,258.92 GBP -
Octadecyl 3- (3,5-di-tert-butyl-4-hydroxyphenyl) propionate (Standard) [CAS 2082-79-3]
CAS: 2082-79-3 | SKU: QM-0049886 | Size: 1 Each Price on request -
P-Hydroxyphenylacetone [CAS 770-39-8]
CAS: 770-39-8 | SKU: QM-0049614 | Size: 1 Each Price on request -
O-Desmethylangolensin (Standard) [CAS 21255-69-6]
CAS: 21255-69-6 | SKU: QM-0024288 | Size: 1 Each Price on request -
P-Hydroxycinnamic acid (Standard) [CAS 7400-08-0]
CAS: 7400-08-0 | SKU: QM-0024220-01 | Size: 25 mg£57.09 GBP -
Oxopurpureine [CAS 32845-27-5]
CAS: 32845-27-5 | SKU: QM-0023127 | Size: 1 Each Price on request -
P-Toluenesulfonic Acid (3S,5R) -5- (2,4-Difluorophenyl) -5-[ (1H-1,2,4-triazol-1-yl) methyl]oxolan-3-ylmethyl Ester [CAS 149809-43-8]
CAS: 149809-43-8 | SKU: QM-0021409-01 | Size: 500 mg£55.02 GBP -
O-Desmethyl Mebeverine alcohol (hydrochloride) (Standard) [CAS 856620-39-8]
CAS: 856620-39-8 | SKU: QM-0021233 | Size: 1 Each Price on request -
P-Hydroxy 6-PPD-Q
SKU: QM-0012848 | Size: 1 Each Price on request -
Para-hydroxy 2-methyl AP-237 (hydrochloride) [CAS 2981814-36-0]
CAS: 2981814-36-0 | SKU: QM-0012805 | Size: 1 Each Price on request -
Oxomemazine (hydrochloride) [CAS 4784-40-1]
CAS: 4784-40-1 | SKU: QM-0008372 | Size: 1 Each Price on request -
Oxoprolintane [CAS 35259-27-9]
CAS: 35259-27-9 | SKU: QM-0006234-01 | Size: 10 mg£696.38 GBP -
Olopatadine-d3 N-Oxide [CAS 1246832-94-9]
CAS: 1246832-94-9 | SKU: QM-0006002-01 | Size: 1 mg Price on request -
P-Hydroxymandelic acid (Standard) [CAS 1198-84-1]
CAS: 1198-84-1 | SKU: QM-0003788-01 | Size: 5 mg£42.09 GBP -
Oxotremorine M (iodide) (Standard) [CAS 3854-04-4]
CAS: 3854-04-4 | SKU: QM-0002327 | Size: 1 Each Price on request -
Olmesartan medoxomil [CAS 144689-63-4]
CAS: 144689-63-4 | SKU: QM-0154345-01 | Size: 5 mg£66.40 GBP -
Oxolinic acid [CAS 14698-29-4]
CAS: 14698-29-4 | SKU: QM-0159232-01 | Size: 500 mg£57.09 GBP -
Omaveloxolone [CAS 1474034-05-3]
CAS: 1474034-05-3 | SKU: QM-0140455-01 | Size: 5 mg£188.51 GBP -
Oxotremorine M (iodide) [CAS 3854-04-4]
CAS: 3854-04-4 | SKU: QM-0081184-01 | Size: 5 mg£62.26 GBP -
Olanzapine N-oxide [CAS 174794-02-6]
CAS: 174794-02-6 | SKU: QM-0139600-01 | Size: 5 mg£78.82 GBP -
PD0325901-O-C2-dioxolane [CAS 2581116-22-3]
CAS: 2581116-22-3 | SKU: QM-0143610-01 | Size: 5 mg£325.81 GBP -
Oxoadipic acid [CAS 3184-35-8]
CAS: 3184-35-8 | SKU: QM-0137947-01 | Size: 5 mg£195.80 GBP -
Oxonol 595 [CAS 88969-31-7]
CAS: 88969-31-7 | SKU: QM-0161073-01 | Size: 5 mg£241.97 GBP -
Oxolinic acid (Standard) [CAS 14698-29-4]
CAS: 14698-29-4 | SKU: QM-0159233-01 | Size: 25 mg£62.26 GBP -
O-Desmethyl Mebeverine alcohol (hydrochloride) [CAS 856620-39-8]
CAS: 856620-39-8 | SKU: QM-0161532-01 | Size: 2 mg£139.75 GBP -
P-Hydroxybenzaldehyde (Standard) [CAS 123-08-0]
CAS: 123-08-0 | SKU: QM-0202807-01 | Size: 25 mg£63.29 GBP -
O-Desmethyl Tramadol-d6 [CAS 873928-73-5]
CAS: 873928-73-5 | SKU: QM-0144005-01 | Size: 10 mg Price on request -
P-Hydroxyphenethyl trans-ferulate [CAS 84873-15-4]
CAS: 84873-15-4 | SKU: QM-0165216-01 | Size: 5 mg£395.06 GBP -
O-desmethyl Mebeverine acid [CAS 586357-02-0]
CAS: 586357-02-0 | SKU: QM-0142227-01 | Size: 1 mg£212.81 GBP -
P-Hydroxyphenethyl anisate [CAS 87932-34-1]
CAS: 87932-34-1 | SKU: QM-0164820-01 | Size: 1 mg£78.82 GBP -
Olmesartan medoxomil (Standard) [CAS 144689-63-4]
CAS: 144689-63-4 | SKU: QM-0154346-01 | Size: 5 mg£94.75 GBP -
Oxonol VI [CAS 64724-75-0]
CAS: 64724-75-0 | SKU: QM-0161046-01 | Size: 1 mg£78.82 GBP -
P-Hydroxybenzaldehyde [CAS 123-08-0]
CAS: 123-08-0 | SKU: QM-0199630-01 | Size: 1 g£51.91 GBP -
Oxolamine (citrate) [CAS 1949-20-8]
CAS: 1949-20-8 | SKU: QM-0159280-01 | Size: 500 mg£42.09 GBP -
O-Desmethylangolensin [CAS 21255-69-6]
CAS: 21255-69-6 | SKU: QM-0165533-01 | Size: 5 mg£140.88 GBP -
Oxotremorine (sesquifumarate) [CAS 17360-35-9]
CAS: 17360-35-9 | SKU: QM-0081066-01 | Size: 5 mg£108.25 GBP -
O-Desmethyltramadol (hydrochloride) [CAS 185453-02-5]
CAS: 185453-02-5 | SKU: QM-0136374-01 | Size: 1 mg£140.88 GBP -
P-Hydroxycinnamic acid [CAS 7400-08-0]
CAS: 7400-08-0 | SKU: QM-0164921-01 | Size: 5 g£51.91 GBP -
O-Desmethyl quinidine [CAS 70877-75-7]
CAS: 70877-75-7 | SKU: QM-0196348-01 | Size: 25 mg£36.91 GBP -
O-Ethylhydroxylamine-d5 (hydrochloride) [CAS 118087-07-3]
CAS: 118087-07-3 | SKU: QM-0195967-01 | Size: 5 mg£134.13 GBP -
Oxocrebanine [CAS 38826-42-5]
CAS: 38826-42-5 | SKU: QM-0195946-01 | Size: 5 mg Price on request -
P-Hydroxybenzaldehyde-d4 [CAS 284474-52-8]
CAS: 284474-52-8 | SKU: QM-0195479-01 | Size: 5 mg£116.13 GBP -
Olanzapine N-Oxide-d3 [CAS 1189732-75-9]
CAS: 1189732-75-9 | SKU: QM-0139601 | Size: 1 mg£803.30 GBP -
Octyl-α-hydroxyglutarate [CAS 2097068-39-6]
CAS: 2097068-39-6 | SKU: QM-0083450-01 | Size: 5 mg£238.32 GBP -
Omeprazole sulfone N-oxide-13C, d3 [CAS 2740875-18-5]
CAS: 2740875-18-5 | SKU: QM-0146219-01 | Size: 1 mg Price on request -
Oxolinic acid-d5 [CAS 1189890-98-9]
CAS: 1189890-98-9 | SKU: QM-0159234-01 | Size: 500 µg£438.80 GBP -
O-Desmethyl Indomethacin-d4 [CAS 1189916-55-9]
CAS: 1189916-55-9 | SKU: QM-0147626-01 | Size: 10 mg Price on request -
Omeprazole sulfone N-oxide-d3 [CAS 2748468-58-6]
CAS: 2748468-58-6 | SKU: QM-0146220-01 | Size: 1 mg Price on request