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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Oxomemazine [CAS 3689-50-7]
CAS: 3689-50-7 | SKU: QM-0145655-01 | Size: 5 mg£65.37 GBP -
P-Hydroxymandelic acid [CAS 1198-84-1]
CAS: 1198-84-1 | SKU: QM-0137808-01 | Size: 100 mg£62.26 GBP -
P-Hydroxybenzaldehyde-13C [CAS 152404-52-9]
CAS: 152404-52-9 | SKU: QM-0181817-01 | Size: 2.5 mg£310.01 GBP -
O-desmethyl Mebeverine acid D5 hydrochloride
SKU: QM-0142229-01 | Size: 1 mg£878.63 GBP -
O-Desmethyl Midostaurin [CAS 740816-86-8]
CAS: 740816-86-8 | SKU: QM-0142868-01 | Size: 1 mg£1,241.91 GBP -
Palmitic acid N-hydroxysuccinimide [CAS 14464-31-4]
CAS: 14464-31-4 | SKU: QM-0178441-01 | Size: 1 g£62.26 GBP -
O-Desmethyl Mebeverine acid-d6 [CAS 1630732-39-6]
CAS: 1630732-39-6 | SKU: QM-0142230-01 | Size: 1 mg Price on request -
O-Desmethylmetoprolol-d5 [CAS 1189981-81-4]
CAS: 1189981-81-4 | SKU: QM-0143692-01 | Size: 1 mg Price on request -
O-Desmethyl Mebeverine acid-d5 [CAS 1329488-46-1]
CAS: 1329488-46-1 | SKU: QM-0142228-01 | Size: 1 mg£1,229.77 GBP -
O-Desmethyl Midostaurin-d5 [CAS 2699608-28-9]
CAS: 2699608-28-9 | SKU: QM-0061263 | Size: 1 mg Price on request -
Palonosetron N-oxide [CAS 813425-83-1]
CAS: 813425-83-1 | SKU: QM-0135739-01 | Size: 1 mg£396.27 GBP -
Oxolamine (hydrochloride) [CAS 1219-20-1]
CAS: 1219-20-1 | SKU: QM-0075375 | Size: 1 Each Price on request -
Oxomemazine (Standard) [CAS 3689-50-7]
CAS: 3689-50-7 | SKU: QM-0129961 | Size: 1 Each Price on request -
P-Hydroxybenzaldehyde-d5 [CAS 298704-22-0]
CAS: 298704-22-0 | SKU: QM-0128569 | Size: 5 mg£282.06 GBP -
Oxonic Acid -13C2,15N3 (potassium salt hydrate)
SKU: QM-0127424 | Size: 1 mg£779.00 GBP -
P-Nitrophenylacetic acid N-hydroxyuccinimide ester [CAS 68123-33-1]
CAS: 68123-33-1 | SKU: QM-0126329 | Size: 1 Each Price on request -
Oxocularine [CAS 3395-23-1]
CAS: 3395-23-1 | SKU: QM-0125773 | Size: 1 Each Price on request -
P-Hydroxybenzoate hydroxylase, native microorganism [CAS 9059-23-8]
CAS: 9059-23-8 | SKU: QM-0125634 | Size: 5 KU Price on request -
Oxocarbazate [CAS 1014405-03-8]
CAS: 1014405-03-8 | SKU: QM-0125344 | Size: 1 Each Price on request -
Palmitoyl dipeptide-5 diaminobutyroyl hydroxythreonine [CAS 2228114-98-3]
CAS: 2228114-98-3 | SKU: QM-0125267 | Size: 1 Each Price on request -
PB-22 N- (4-Hydroxypentyl) -3-carboxyindole metabolite [CAS 2704733-57-1]
CAS: 2704733-57-1 | SKU: QM-0124651-01 | Size: 1 mg£294.22 GBP -
O-Desmethylmetoprolol [CAS 62572-94-5]
CAS: 62572-94-5 | SKU: QM-0123406-01 | Size: 1 mg£63.82 GBP -
P-NH2-Bn-oxo-DO3A [CAS 2125661-90-5]
CAS: 2125661-90-5 | SKU: QM-0117781 | Size: 1 Each Price on request -
P-Hydroxybestatin [CAS 70267-76-4]
CAS: 70267-76-4 | SKU: QM-0115834 | Size: 1 Each Price on request -
Oxogestone phenpropionate [CAS 16915-80-3]
CAS: 16915-80-3 | SKU: QM-0115600 | Size: 1 Each Price on request -
O-Desmethyl Mebeverine alcohol-d5 (citrate)
SKU: QM-0065500 | Size: 1 mg Price on request -
O-Desmethyltramadol-d6 (hydrochloride) [CAS 1261393-87-6]
CAS: 1261393-87-6 | SKU: QM-0110670 | Size: 1 mg£1,713.34 GBP -
Palmitoyl dipeptide-5 diaminohydroxybutyrate [CAS 794590-33-3]
CAS: 794590-33-3 | SKU: QM-0110131 | Size: 1 Each Price on request -
P-Hydroxy-5,6-dehydrokawain [CAS 39986-86-2]
CAS: 39986-86-2 | SKU: QM-0108781-01 | Size: 1 mg£420.57 GBP -
P-SCN-Bn-oxo-DO3A [CAS 1370442-99-1]
CAS: 1370442-99-1 | SKU: QM-0108107 | Size: 1 Each Price on request -
Ortho-hydroxy atorvastatin lactone-d5 [CAS 265989-50-2]
CAS: 265989-50-2 | SKU: QM-0062993-01 | Size: 1 mg£1,082.75 GBP -
Oxolamine [CAS 959-14-8]
CAS: 959-14-8 | SKU: QM-0103367 | Size: 1 Each Price on request -
Ortho-hydroxy atorvastatin-d5 (calcium) [CAS 265989-47-7]
CAS: 265989-47-7 | SKU: QM-0065880 | Size: 1 mg£1,114.34 GBP -
Oleic acid-hydroxy Oleoyl Leucine-d7
SKU: QM-0098238 | Size: 1 Each Price on request -
O-Desmethyl-N-deschlorobenzoyl Indomethacin [CAS 50995-53-4]
CAS: 50995-53-4 | SKU: QM-0098164-01 | Size: 1 mg£215.24 GBP -
Oxoflaccidin [CAS 121817-24-1]
CAS: 121817-24-1 | SKU: QM-0097657 | Size: 1 Each Price on request -
O-Desmethyl mycophenolic acid methyl ester [CAS 33431-38-8]
CAS: 33431-38-8 | SKU: QM-0062382 | Size: 1 Each Price on request -
Oxoadipic acid (Standard) [CAS 3184-35-8]
CAS: 3184-35-8 | SKU: QM-0094775-01 | Size: 5 mg£341.60 GBP -
P-Hydroxyphenethyl vanillate [CAS 1539303-03-1]
CAS: 1539303-03-1 | SKU: QM-0094552 | Size: 1 Each Price on request -
PB-22 N- (5-Hydroxypentyl) -3-carboxyindole metabolite [CAS 1459236-34-0]
CAS: 1459236-34-0 | SKU: QM-0093328 | Size: 1 Each Price on request -
P-Hydroxyhippuryl-His-Leu [CAS 77697-23-5]
CAS: 77697-23-5 | SKU: QM-0090914 | Size: 1 Each Price on request -
O-Desmethyl Mebeverine alcohol [CAS 155172-67-1]
CAS: 155172-67-1 | SKU: QM-0088416 | Size: 1 Each Price on request -
Oxonol Blue [CAS 51858-17-4]
CAS: 51858-17-4 | SKU: QM-0087609 | Size: 1 Each Price on request -
Oxotremorine [CAS 70-22-4]
CAS: 70-22-4 | SKU: QM-0085956 | Size: 1 Each Price on request -
Oxonol V [CAS 61389-30-8]
CAS: 61389-30-8 | SKU: QM-0061392 | Size: 1 Each Price on request -
Olmesartan medoxomil-d6 [CAS 1127298-67-2]
CAS: 1127298-67-2 | SKU: QM-0073779 | Size: 1 mg£1,068.17 GBP -
Pantoprazole N-oxide [CAS 953787-60-5]
CAS: 953787-60-5 | SKU: QM-0082243-01 | Size: 5 mg£48.29 GBP -
Oxodipine [CAS 90729-41-2]
CAS: 90729-41-2 | SKU: QM-0078020-01 | Size: 1 mg£233.47 GBP -
NH2-MeO-Ph-amide- (2,6-Dioxo-3-Pip) [CAS 1504209-32-8]
CAS: 1504209-32-8 | SKU: QM-0054969 | Size: 1 Each Price on request -
N7- (2-Hydroxyethyl) guanine-d4 [CAS 1246818-81-4]
CAS: 1246818-81-4 | SKU: QM-0053606-01 | Size: 2.5 mg£546.93 GBP -
N-Hydroxy Melagatran-d11
SKU: QM-0053597 | Size: 1 Each Price on request -
N-Methyl-N- (3-oxopropyl) nitrous amide-d5 [CAS 1330277-32-1]
CAS: 1330277-32-1 | SKU: QM-0052860-01 | Size: 1 mg£567.59 GBP -
Nicotinamide N-oxide-d4 [CAS 1246817-64-0]
CAS: 1246817-64-0 | SKU: QM-0052835-01 | Size: 5 mg£751.05 GBP -
N-Methyl-3'-hydroxycoclaurine (hydrochloride) [CAS 138644-99-2]
CAS: 138644-99-2 | SKU: QM-0052320 | Size: 500 µg£1,311.17 GBP -
N-Tosylhydroxy-L-prolinol [CAS 5605-46-9]
CAS: 5605-46-9 | SKU: QM-0052082 | Size: 1 Each Price on request -
N1, N3-bis (2,3-dihydroxypropyl) -5-nitroisophthalamide (Standard) [CAS 76820-34-3]
CAS: 76820-34-3 | SKU: QM-0052052 | Size: 1 Each Price on request -
N-Methyl-N-[ (3-methyldithio) -1-oxopropyl]-L-alanine [CAS 138148-62-6]
CAS: 138148-62-6 | SKU: QM-0051388-01 | Size: 25 mg£63.29 GBP -
N-Hydroxydecanamide [CAS 2259-85-0]
CAS: 2259-85-0 | SKU: QM-0051172 | Size: 1 Each Price on request -
N-Hydroxymethyl succinimide [CAS 5146-68-9]
CAS: 5146-68-9 | SKU: QM-0051153-01 | Size: 250 mg£65.37 GBP -
N-Heptyl 4-hydroxybenzoate [CAS 1085-12-7]
CAS: 1085-12-7 | SKU: QM-0051106-01 | Size: 50 mg£51.91 GBP -
N-Fmoc-5-DMT-methyl-3-hydroxypyrrolidine [CAS 163671-10-1]
CAS: 163671-10-1 | SKU: QM-0050578 | Size: 1 Each Price on request -
N-Fmoc-3R-hydroxypyrrolidine-5S-methanol [CAS 163671-09-8]
CAS: 163671-09-8 | SKU: QM-0050576 | Size: 1 Each Price on request -
N-Hydroxyisonicotinamidine [CAS 1594-57-6]
CAS: 1594-57-6 | SKU: QM-0048845-01 | Size: 5 g£51.91 GBP -
O- (4-Nitrobenzyl) hydroxylamine (hydrochloride) [CAS 2086-26-2]
CAS: 2086-26-2 | SKU: QM-0048233-01 | Size: 1 g£62.26 GBP -
N-Hydroxypipecolic acid (Standard) [CAS 115819-92-6]
CAS: 115819-92-6 | SKU: QM-0024455 | Size: 1 Each Price on request -
O-Benzyl Posaconazole-4-hydroxyphenyl-d4 [CAS 1246814-94-7]
CAS: 1246814-94-7 | SKU: QM-0021324-01 | Size: 1 mg Price on request -
N-[5- (Methoxycarbonyloxy) -2,4-di (tert-butyl) phenyl]-4-oxo-1H-quinoline-3-carboxamide [CAS 1246213-45-5]
CAS: 1246213-45-5 | SKU: QM-0021263-01 | Size: 100 mg£319.73 GBP -
Nor-N-omega-hydroxy-L-arginine-CoA
SKU: QM-0019661 | Size: 1 Each Price on request -
Naphthyl-2-oxomethyl-succinyl-CoA [CAS 950761-58-7]
CAS: 950761-58-7 | SKU: QM-0019656 | Size: 1 Each Price on request -
N-Omega-hydroxy-L-arginine-CoA
SKU: QM-0019644 | Size: 1 Each Price on request -
Nitroxoline-d5
SKU: QM-0018243 | Size: 1 Each Price on request -
Nicotinic acid N-oxide (Standard) [CAS 2398-81-4]
CAS: 2398-81-4 | SKU: QM-0018222-01 | Size: 10 mg£60.19 GBP -
O-Deshydroxyethyl bosentan [CAS 174227-14-6]
CAS: 174227-14-6 | SKU: QM-0017742-01 | Size: 5 mg£144.25 GBP -
N-Didesmethyladitoprim [CAS 56066-19-4]
CAS: 56066-19-4 | SKU: QM-0014479 | Size: 1 Each Price on request -
N-Hydroxy MDMA (hemioxalate)
SKU: QM-0010514 | Size: 1 Each Price on request -
O-Desmethyl carvedilol-d5 [CAS 1794817-24-5]
CAS: 1794817-24-5 | SKU: QM-0008294-01 | Size: 2.5 mg£706.10 GBP -
N-Hydroxy riluzole [CAS 179070-90-7]
CAS: 179070-90-7 | SKU: QM-0007682-01 | Size: 1 mg£649.00 GBP -
N6-Hydroxynorvalylcarbamoyladenosine [CAS 146426-20-2]
CAS: 146426-20-2 | SKU: QM-0007344 | Size: 1 Each Price on request -
N-[2-Ethoxy-d5-1-[[2'-[ (hydroxyamino) methyl][1,1'-biphenyl]-4-yl]methyl]-1H-benzimidazole-7-carboxylic Acid Methyl Ester]carbamic Acid 2-Ethylhexyl Ester [CAS 1795131-16-6]
CAS: 1795131-16-6 | SKU: QM-0005912-01 | Size: 1 mg Price on request -
N10-Monodesmethyl Rizatriptan-d3 [CAS 1215678-02-6]
CAS: 1215678-02-6 | SKU: QM-0005849-01 | Size: 1 mg Price on request -
N-Desmethyltamoxifen (hydrochloride) (Standard) [CAS 15917-65-4]
CAS: 15917-65-4 | SKU: QM-0005524-01 | Size: 1 mg£188.51 GBP -
O-Desmethyl gefitinib (Standard) [CAS 847949-49-9]
CAS: 847949-49-9 | SKU: QM-0001659 | Size: 1 Each Price on request -
N-Hydroxypipecolic acid [CAS 115819-92-6]
CAS: 115819-92-6 | SKU: QM-0077727-01 | Size: 5 mg£146.50 GBP -
N-Desmethyltamoxifen (hydrochloride) [CAS 15917-65-4]
CAS: 15917-65-4 | SKU: QM-0142772-01 | Size: 5 mg£129.63 GBP -
O-Desmethyl Galanthamine [CAS 60755-80-8]
CAS: 60755-80-8 | SKU: QM-0143644-01 | Size: 5 mg£238.32 GBP -
O-Desmethyl gefitinib [CAS 847949-49-9]
CAS: 847949-49-9 | SKU: QM-0079068-01 | Size: 5 mg£238.32 GBP -
N6- (4-Hydroxybenzyl) adenosine [CAS 110505-75-4]
CAS: 110505-75-4 | SKU: QM-0155145-01 | Size: 5 mg£80.89 GBP -
O-Desmethyl apixaban [CAS 503612-76-8]
CAS: 503612-76-8 | SKU: QM-0079550-01 | Size: 5 mg£67.44 GBP -
Nicotinamide N-oxide (Standard) [CAS 1986-81-8]
CAS: 1986-81-8 | SKU: QM-0081229-01 | Size: 10 mg£63.29 GBP -
Nitroxoline (Standard) [CAS 4008-48-4]
CAS: 4008-48-4 | SKU: QM-0159438-01 | Size: 25 mg£57.09 GBP -
N-Hydroxypipecolic acid (potassium) [CAS 2253632-01-6]
CAS: 2253632-01-6 | SKU: QM-0198040-01 | Size: 5 mg Price on request -
Nicotinic acid N-oxide [CAS 2398-81-4]
CAS: 2398-81-4 | SKU: QM-0159307-01 | Size: 5 g£56.05 GBP -
Nitroxoline [CAS 4008-48-4]
CAS: 4008-48-4 | SKU: QM-0159437-01 | Size: 500 mg£51.91 GBP -
N6- (2-Hydroxyethyl) adenosine [CAS 4338-48-1]
CAS: 4338-48-1 | SKU: QM-0195965-01 | Size: 50 mg£67.44 GBP -
N6-[ (2E) -1-Oxo-2-buten-1-yl]-L-lysine [CAS 1399861-03-0]
CAS: 1399861-03-0 | SKU: QM-0191405-01 | Size: 100 mg£78.82 GBP -
Netupitant N-oxide-d6
SKU: QM-0161535-01 | Size: 5 mg Price on request -
O-Desmethyl gefitinib-d8
SKU: QM-0079069-01 | Size: 1 mg£652.64 GBP -
N-Hydroxyphthalimide [CAS 524-38-9]
CAS: 524-38-9 | SKU: QM-0186145-01 | Size: 50 g£51.91 GBP -
N-Hydroxysuccinimide [CAS 6066-82-6]
CAS: 6066-82-6 | SKU: QM-0169319-01 | Size: 5 g£51.91 GBP -
O-Desmethyl apixaban sulfate (sodium)
SKU: QM-0079546-01 | Size: 1 mg£426.65 GBP -
N-[3-[3- (Dimethylamino) -1-oxo-2-propenyl]phenyl]-N-ethylacetamide-d3 [CAS 1104483-92-2]
CAS: 1104483-92-2 | SKU: QM-0182676-01 | Size: 5 mg Price on request -
N-Hydroxysulfosuccinimide (sodium) [CAS 106627-54-7]
CAS: 106627-54-7 | SKU: QM-0181161-01 | Size: 500 mg£89.13 GBP -
N-Hydroxy Mexiletine-d6 Oxalate [CAS 1330264-84-0]
CAS: 1330264-84-0 | SKU: QM-0143978-01 | Size: 10 mg Price on request -
NG-Hydroxy-L-arginine (acetate) [CAS 53598-01-9]
CAS: 53598-01-9 | SKU: QM-0180111-01 | Size: 5 mg£401.13 GBP -
O-Desmethyl gefitinib-d6
SKU: QM-0079070-01 | Size: 1 mg Price on request -
Naloxone (hydrochloride) [CAS 357-08-4]
CAS: 357-08-4 | SKU: QM-0154533-01 | Size: 100 mg£78.82 GBP -
Nicotinamide N-oxide [CAS 1986-81-8]
CAS: 1986-81-8 | SKU: QM-0081228-01 | Size: 100 mg£94.75 GBP -
Nefopam-d3 N-Oxide [CAS 1346603-50-6]
CAS: 1346603-50-6 | SKU: QM-0144014-01 | Size: 50 mg Price on request -
N-Hydroxypropyl-N’- (azide-PEG3) -Cy3
SKU: QM-0064581 | Size: 1 Each Price on request -
Naloxone-d5 [CAS 1261079-38-2]
CAS: 1261079-38-2 | SKU: QM-0073833 | Size: 1 mg£1,119.20 GBP -
N-[2-[ (1-Oxohexadecyl) amino]ethyl]octadecanamide [CAS 5136-44-7]
CAS: 5136-44-7 | SKU: QM-0072123 | Size: 1 Each Price on request -
Netupitant metabolite N-desmethyl Netupitant [CAS 290296-72-9]
CAS: 290296-72-9 | SKU: QM-0000926-01 | Size: 1 mg£110.50 GBP -
Netupitant metabolite Netupitant N-oxide [CAS 910808-11-6]
CAS: 910808-11-6 | SKU: QM-0000927 | Size: 1 mg£231.03 GBP -
Naloxonazine (dihydrochloride) [CAS 880759-65-9]
CAS: 880759-65-9 | SKU: QM-0057010-01 | Size: 5 mg£288.14 GBP -
Netupitant metabolite Monohydroxy Netupitant [CAS 910808-12-7]
CAS: 910808-12-7 | SKU: QM-0000928 | Size: 1 Each Price on request -
N-Desmethylterbinafine [CAS 99473-11-7]
CAS: 99473-11-7 | SKU: QM-0130571-01 | Size: 1 mg£679.37 GBP -
Nadoxolol [CAS 54063-51-3]
CAS: 54063-51-3 | SKU: QM-0083895 | Size: 1 Each Price on request -
O-Benzylhydroxylamine (hydrochloride) [CAS 2687-43-6]
CAS: 2687-43-6 | SKU: QM-0074293 | Size: 100 g£57.09 GBP -
N-Heptyl 4-hydroxybenzoate-d4 [CAS 2708280-12-8]
CAS: 2708280-12-8 | SKU: QM-0128332-01 | Size: 5 mg£226.18 GBP -
O-Desmethyl Brinzolamide (hydrochloride) [CAS 2967475-56-3]
CAS: 2967475-56-3 | SKU: QM-0125910-01 | Size: 1 mg£307.58 GBP