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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PEG3-bis (phosphonic acid diethyl ester) [CAS 1807539-03-2]
CAS: 1807539-03-2 | SKU: QM-0064763 | Size: 1 Each Price on request -
P300 bromodomain-IN-1
SKU: QM-0066877 | Size: 1 Each Price on request -
OT antagonist 1 demethyl derivative [CAS 2763705-17-3]
CAS: 2763705-17-3 | SKU: QM-0057413 | Size: 1 Each Price on request -
Omega-3 arachidonic acid methyl ester [CAS 132712-70-0]
CAS: 132712-70-0 | SKU: QM-0059943 | Size: 500 μg (15.70 mM x 100 μL in Methanol)£363.47 GBP -
O-Acetylschisantherin L [CAS 149998-51-6]
CAS: 149998-51-6 | SKU: QM-0120552 | Size: 1 Each Price on request -
P-Fluorobenzylamine-d4 [CAS 1219798-96-5]
CAS: 1219798-96-5 | SKU: QM-0118058 | Size: 1 mg Price on request -
Olanzapine ketolactam [CAS 1017241-34-7]
CAS: 1017241-34-7 | SKU: QM-0117653-01 | Size: 500 µg£474.04 GBP -
Norfluorocurarine [CAS 6880-54-2]
CAS: 6880-54-2 | SKU: QM-0117041 | Size: Inquire Price on request -
O-Deacetylfalconericine [CAS 121880-22-6]
CAS: 121880-22-6 | SKU: QM-0116686 | Size: 1 Each Price on request -
Oroxylin A-7-O-glucuronide (Standard) [CAS 36948-76-2]
CAS: 36948-76-2 | SKU: QM-0115367 | Size: 1 Each Price on request -
Olmesartan ethyl ester [CAS 144689-23-6]
CAS: 144689-23-6 | SKU: QM-0061716-01 | Size: 5 mg£92.50 GBP -
Paromomycin (sulfate) (Standard) [CAS 1263-89-4]
CAS: 1263-89-4 | SKU: QM-0108085-01 | Size: 10 mg£42.09 GBP -
Oroxylin A 7-O-β-D-glucuronide methyl ester [CAS 82475-02-3]
CAS: 82475-02-3 | SKU: QM-0107699 | Size: 1 Each Price on request -
O-Cresol sulfate [CAS 3233-56-5]
CAS: 3233-56-5 | SKU: QM-0107081 | Size: 1 Each Price on request -
P-Nitrophenyl 2-acetamido-2-deoxy-3,6-di-O-acetyl-β-D-glucopyranoside [CAS 61891-87-0]
CAS: 61891-87-0 | SKU: QM-0104461 | Size: 1 Each Price on request -
Octachlorodibenzo-p-dioxin-13C12 [CAS 114423-97-1]
CAS: 114423-97-1 | SKU: QM-0102945 | Size: 1 mg Price on request -
P-Fluorophenol-d6 [CAS 1219804-93-9]
CAS: 1219804-93-9 | SKU: QM-0101901-01 | Size: 5 mg£94.75 GBP -
O-Methyl-N-acetyl-2-deoxy-α-D-galactosamine [CAS 6082-22-0]
CAS: 6082-22-0 | SKU: QM-0100565-01 | Size: 10 mg£71.58 GBP -
P-Aminophenylacetyl-tuftsin [CAS 63147-94-4]
CAS: 63147-94-4 | SKU: QM-0099731 | Size: 1 Each Price on request -
Palladium (II) acetylacetonate [CAS 14024-61-4]
CAS: 14024-61-4 | SKU: QM-0098577-01 | Size: 100 mg£51.91 GBP -
Octyl 2- (acetylamino) -2-deoxy-β-D-galactopyranoside [CAS 383417-49-0]
CAS: 383417-49-0 | SKU: QM-0095560-01 | Size: 25 mg£460.67 GBP -
Nα-Fmoc-N (im) -trityl-L-histidine pentafluorophenyl ester [CAS 109434-24-4]
CAS: 109434-24-4 | SKU: QM-0093416 | Size: 1 Each Price on request -
O-Demethyltramadol [CAS 80456-81-1]
CAS: 80456-81-1 | SKU: QM-0091496 | Size: 1 Each Price on request -
PEG2-bis (phosphonic acid diethyl ester) [CAS 500347-73-9]
CAS: 500347-73-9 | SKU: QM-0064762 | Size: 1 Each Price on request -
Norwogonin-8-O-glucuronide [CAS 118525-47-6]
CAS: 118525-47-6 | SKU: QM-0086440 | Size: 1 mg£438.80 GBP -
P-Nitrophenyl 2-acetamido-2-deoxy-3-O-acetyl-β-D-glucopyranoside [CAS 23262-57-9]
CAS: 23262-57-9 | SKU: QM-0085275 | Size: 1 Each Price on request -
P-Cresol sulfate-d4 (potassium)
SKU: QM-0085121 | Size: 5 mg£902.93 GBP -
Nonyl 10-bromodecanoate [CAS 2102499-36-3]
CAS: 2102499-36-3 | SKU: QM-0054829 | Size: 1 Each Price on request -
Nonyl 6-bromohexanoate [CAS 959249-23-1]
CAS: 959249-23-1 | SKU: QM-0054803 | Size: 1 Each Price on request -
Nalmefene Sulfate-d3
SKU: QM-0054157 | Size: 1 Each Price on request -
N4-Acetylcytidine-13C5
SKU: QM-0054141 | Size: 1 mg£572.45 GBP -
N4-Acetylsulfamethazine-13C6
SKU: QM-0054085 | Size: 1 Each Price on request -
N4-Acetylsulfamethoxazole-13C6
SKU: QM-0053943 | Size: 1 Each Price on request -
N2,9-Diacetylguanine-13C2,15N
SKU: QM-0053920 | Size: 1 Each Price on request -
N2-Acetyl-O6-diphenylcarbamoylguanine-13C2,15N
SKU: QM-0053918 | Size: 1 Each Price on request -
Nitroso-N-demethyl erythromycin-d3
SKU: QM-0053463 | Size: 1 Each Price on request -
N6- (2-Carboxyacetyl) -L-lysine-4,4,5,5-d4
SKU: QM-0053243 | Size: 1 Each Price on request -
Nintedanib demethyl-O-glucuronic acid-d3
SKU: QM-0053215 | Size: 1 Each Price on request -
N4-Acetylsulfamerazine-d4 [CAS 1189896-03-4]
CAS: 1189896-03-4 | SKU: QM-0052706 | Size: 1 Each Price on request -
N1-Acetylspermine-d3 (trihydrochloride)
SKU: QM-0052578 | Size: 1 mg£1,166.59 GBP -
Nonyl 8-bromooctanoate [CAS 2089253-38-1]
CAS: 2089253-38-1 | SKU: QM-0051947-01 | Size: 100 mg£61.22 GBP -
Nonafluoro-3,6-dioxaheptanoic acid [CAS 151772-58-6]
CAS: 151772-58-6 | SKU: QM-0051057-01 | Size: 50 mg£140.88 GBP -
N4-Benzoyl-2'-fluoro-2'-deoxycytidine [CAS 146954-76-9]
CAS: 146954-76-9 | SKU: QM-0050762 | Size: 1 Each Price on request -
N4-Acetylcytidine (Standard) [CAS 3768-18-1]
CAS: 3768-18-1 | SKU: QM-0048784-01 | Size: 10 mg£57.09 GBP -
Nebivolol O-β-D-glucuronide
SKU: QM-0013818 | Size: 1 Each Price on request -
Neocarraoctaose 41,43,45,47-tetrasulfate (tetrasodium) [CAS 133647-94-6]
CAS: 133647-94-6 | SKU: QM-0008344 | Size: 1 Each Price on request -
N2-Phenoxyacetyl-3′,5′-O- (tetraisopropyldisiloxane-1,3-diyl) guanosine [CAS 131474-72-1]
CAS: 131474-72-1 | SKU: QM-0007600 | Size: 1 Each Price on request -
Naproxen methyl ester [CAS 26159-35-3]
CAS: 26159-35-3 | SKU: QM-0005724 | Size: 1 Each Price on request -
Nepsilon-Acetyl-L-lysine (Standard) [CAS 692-04-6]
CAS: 692-04-6 | SKU: QM-0003926-01 | Size: 10 mg£57.09 GBP -
N8-Acetylspermidine dihydrochloride (Standard) [CAS 34450-15-2]
CAS: 34450-15-2 | SKU: QM-0003862-01 | Size: 1 mg£206.74 GBP -
N1-Acetylspermine-d8
SKU: QM-0003840 | Size: 1 Each Price on request -
N8-Acetylspermidine dihydrochloride [CAS 34450-15-2]
CAS: 34450-15-2 | SKU: QM-0137965-01 | Size: 5 mg£140.88 GBP -
Netilmicin (sulfate) [CAS 56391-57-2]
CAS: 56391-57-2 | SKU: QM-0076172-01 | Size: 5 mg£80.89 GBP -
Neochlorogenic acid [CAS 906-33-2]
CAS: 906-33-2 | SKU: QM-0163147-01 | Size: 1 mg£62.26 GBP -
N4-Acetylcytidine triphosphate (sodium) [CAS 2803886-33-9]
CAS: 2803886-33-9 | SKU: QM-0137231-01 | Size: 1 mg£471.09 GBP -
N2-Acetyl acyclovir [CAS 110104-37-5]
CAS: 110104-37-5 | SKU: QM-0145932-01 | Size: 25 mg£263.84 GBP -
Neostigmine (methyl sulfate) (Standard) [CAS 51-60-5]
CAS: 51-60-5 | SKU: QM-0159511-01 | Size: 5 mg£57.09 GBP -
Neomycin (sulfate) [CAS 1405-10-3]
CAS: 1405-10-3 | SKU: QM-0158407-01 | Size: 500 mg£57.09 GBP -
Netilmicin (sulfate) (Standard) [CAS 56391-57-2]
CAS: 56391-57-2 | SKU: QM-0157198-01 | Size: 5 mg£212.81 GBP -
Neochlorogenic acid (Standard) [CAS 906-33-2]
CAS: 906-33-2 | SKU: QM-0163148-01 | Size: 5 mg£376.83 GBP -
Niraparib (R-enantiomer) [CAS 1038915-58-0]
CAS: 1038915-58-0 | SKU: QM-0112100-01 | Size: 5 mg£125.13 GBP -
Nepsilon-Acetyl-L-lysine [CAS 692-04-6]
CAS: 692-04-6 | SKU: QM-0138095-01 | Size: 500 mg£57.09 GBP -
Necrostatin 2 (S enantiomer) [CAS 852391-20-9]
CAS: 852391-20-9 | SKU: QM-0148884-01 | Size: 5 mg£288.14 GBP -
N4-Acetyl-2'-O-methylcytidine [CAS 113886-71-8]
CAS: 113886-71-8 | SKU: QM-0203035-01 | Size: 250 mg£89.13 GBP -
N2-Phenoxyacetylguanosine [CAS 119824-66-7]
CAS: 119824-66-7 | SKU: QM-0151461-01 | Size: 250 mg£89.13 GBP -
Nazartinib S-enantiomer [CAS 1508256-20-9]
CAS: 1508256-20-9 | SKU: QM-0142524-01 | Size: 1 mg£527.50 GBP -
N4-Acetylcytidine triphosphate [CAS 1428903-57-4]
CAS: 1428903-57-4 | SKU: QM-0137230-01 | Size: 10 mg Price on request -
N4-Acetylsulfamethoxazole-d4 [CAS 1215530-54-3]
CAS: 1215530-54-3 | SKU: QM-0075797-01 | Size: 5 mg£551.80 GBP -
NGR peptide (Trifluoroacetate)
SKU: QM-0196550-01 | Size: 5 mg£129.63 GBP -
Neostigmine (methyl sulfate) [CAS 51-60-5]
CAS: 51-60-5 | SKU: QM-0159510-01 | Size: 100 mg£94.75 GBP -
Nalpha-Acetyl-DL-glutamine-2,3,3,4,4-d5 [CAS 14341-82-3]
CAS: 14341-82-3 | SKU: QM-0149004-01 | Size: 5 mg Price on request -
N2-Acetylguanine [CAS 19962-37-9]
CAS: 19962-37-9 | SKU: QM-0191134-01 | Size: 1 g£89.13 GBP -
Nile Blue A (sulfate) [CAS 3625-57-8]
CAS: 3625-57-8 | SKU: QM-0081644-01 | Size: 100 mg£94.75 GBP -
Neochlorogenic acid methyl ester [CAS 123410-65-1]
CAS: 123410-65-1 | SKU: QM-0165601-01 | Size: 1 mg£140.88 GBP -
N4-Acetylcytosine [CAS 14631-20-0]
CAS: 14631-20-0 | SKU: QM-0180231 | Size: 10 g£57.09 GBP -
N4-Acetylcytidine [CAS 3768-18-1]
CAS: 3768-18-1 | SKU: QM-0169904-01 | Size: 500 mg£78.82 GBP -
N1-Acetylspermine (trihydrochloride) [CAS 77928-70-2]
CAS: 77928-70-2 | SKU: QM-0137922-01 | Size: 5 mg£94.75 GBP -
Nicotinic acid riboside methyl ester-d4 (triflate)
SKU: QM-0147770-01 | Size: 1 mg Price on request -
N4-Benzoyl-2’-deoxy-5’-O-DMTr-2’-fluoro- 5-methylcytidine [CAS 182495-82-5]
CAS: 182495-82-5 | SKU: QM-0071199 | Size: 1 Each Price on request -
N7-Methyl-2’-deoxy-2’-fluoroarabinoguanosine
SKU: QM-0070085 | Size: 1 Each Price on request -
N4-Acetylsulfamethazine [CAS 100-90-3]
CAS: 100-90-3 | SKU: QM-0166121-01 | Size: 5 mg£438.80 GBP -
N2- (Isopropylphenoxyacetyl) -2’-O-propargylguanosine [CAS 2095417-23-3]
CAS: 2095417-23-3 | SKU: QM-0071075 | Size: 1 Each Price on request -
Nicotine N-β-D-glucuronide-d3 [CAS 329002-74-6]
CAS: 329002-74-6 | SKU: QM-0130661 | Size: 1 mg£1,060.88 GBP -
N2-Acetyl acyclovir (Standard) [CAS 110104-37-5]
CAS: 110104-37-5 | SKU: QM-0128481-01 | Size: 1 mg£238.32 GBP -
N2-iso-Butyroyl-5'-O-DMT-3'-deoxy-3'-fluoroguanosine [CAS 2080404-19-7]
CAS: 2080404-19-7 | SKU: QM-0071203 | Size: 1 Each Price on request -
Naphthol AS-BI N-acetyl-β-D-glucosaminide [CAS 3395-37-7]
CAS: 3395-37-7 | SKU: QM-0126844-01 | Size: 25 mg£285.71 GBP -
Nitrophenyl 2-O- (2,3,4,6-Tri-O-acetyl-α-D-mannopyranosyl) -α-D-mannopyranoside [CAS 26255-69-6]
CAS: 26255-69-6 | SKU: QM-0126670 | Size: 1 Each Price on request -
Neu5Gc (α2,6) N-Acetylgalactosamine [CAS 72506-87-7]
CAS: 72506-87-7 | SKU: QM-0125952 | Size: 1 Each Price on request -
N4-Acetylcytidine triphosphate (sodium) (solution) [CAS 2803886-33-9]
CAS: 2803886-33-9 | SKU: QM-0125521 | Size: 1 Each Price on request -
N4-Benzoyl-2’-deoxy-2’-fluoro-β-D-arabinocytidine
SKU: QM-0071162 | Size: 1 Each Price on request -
Nepsilon-acetyl-L-lysine-d8
SKU: QM-0058754-01 | Size: 1 mg£115.00 GBP -
N1-Methyl-2’-deoxy-2’-fluoroarabinoadenosine
SKU: QM-0070082 | Size: 1 Each Price on request -
Naphthol AS-BI glucuronide [CAS 37-87-6]
CAS: 37-87-6 | SKU: QM-0063243 | Size: 25 mg£644.13 GBP -
N6-Benzoyl-2'-chloro-5'-O- (4,4'-dimethoxytrityl) -2'-deoxyadenosine [CAS 2243079-24-3]
CAS: 2243079-24-3 | SKU: QM-0070943 | Size: 1 Each Price on request -
Naginata ketone [CAS 6138-88-1]
CAS: 6138-88-1 | SKU: QM-0060764 | Size: Inquire Price on request -
Naphthol AS-D chloroacetate, 98% (TLC) [CAS 35245-26-2]
CAS: 35245-26-2 | SKU: QM-0118237-01 | Size: 10 mg£51.91 GBP -
N6- (3-Trifluoromethylbenzyl) -2’-C-methyl adenosine [CAS 2305415-78-3]
CAS: 2305415-78-3 | SKU: QM-0070008 | Size: 1 Each Price on request -
N4-Bz-5'-O-DMTr-3'-deoxy-3'-fluoro-beta-D-xylofuranosyl cytidine-2'-CED-phosphoramidite [CAS 1555759-30-2]
CAS: 1555759-30-2 | SKU: QM-0071322-01 | Size: 1 mg£125.13 GBP -
Neochlorogenin6-O-β-D-xylopyranosyl- (1→3) -β-D-quinovopyranoside [CAS 184686-02-0]
CAS: 184686-02-0 | SKU: QM-0116153 | Size: 1 Each Price on request -
N6-Benzoyl-2’-chloro-2’-deoxyadenosine [CAS 2095417-58-4]
CAS: 2095417-58-4 | SKU: QM-0070942 | Size: 1 Each Price on request -
N2-iso-Butyroyl-2’-fluoro-2’-deoxyarabinoguanosine [CAS 308356-20-9]
CAS: 308356-20-9 | SKU: QM-0071310 | Size: 1 Each Price on request -
N6-Acetyloxymethyladenosine
SKU: QM-0070982 | Size: 1 Each Price on request -
N4-Acetyl-5’-O- (4,4’-dimethoxytrityl) -2’-deoxycytidine [CAS 121058-82-0]
CAS: 121058-82-0 | SKU: QM-0070892-01 | Size: 250 mg£98.13 GBP -
Neomycin (sulfate) (Standard) [CAS 1405-10-3]
CAS: 1405-10-3 | SKU: QM-0106967-01 | Size: 10 mg£57.09 GBP -
N4-Acetylsulfamerazine [CAS 127-73-1]
CAS: 127-73-1 | SKU: QM-0105798 | Size: 5 mg£461.88 GBP -
N4-Benzoyl-5’-O-DMTr-2’-O- (N3-trifluoroacetyl) aminopropyl cytidine [CAS 1053243-01-8]
CAS: 1053243-01-8 | SKU: QM-0071301 | Size: 1 Each Price on request -
N1-Acetylspermine [CAS 25593-72-0]
CAS: 25593-72-0 | SKU: QM-0058653 | Size: 1 Each Price on request -
N4-Acetyl-5’-O- (4,4’-dimethoxytrityl) -5-methyl-2’-deoxycytidine
SKU: QM-0070996-01 | Size: 5 mg£72.61 GBP -
N4- (n-Palmitoyl) -4’-azido-2’-deoxy-2’-fluoro-arabinocytidine
SKU: QM-0069923 | Size: 1 Each Price on request -
N4-Acetylsulfamethoxazole (Standard) [CAS 21312-10-7]
CAS: 21312-10-7 | SKU: QM-0098287 | Size: 1 Each Price on request -
N6-Benzoyl-3'-fluoro-2',3'-dideoxyadenosine [CAS 122712-71-4]
CAS: 122712-71-4 | SKU: QM-0070894 | Size: 1 Each Price on request -
N6-Benzoyl-2'-fluoro-2'-deoxyarabinoadenosine [CAS 144924-99-2]
CAS: 144924-99-2 | SKU: QM-0097330 | Size: 1 Each Price on request -
N4-Acetylsulfamethoxazole [CAS 21312-10-7]
CAS: 21312-10-7 | SKU: QM-0096950 | Size: 5 mg£92.50 GBP -
N4- (3,3,3-Trifluoropropanoyl) cytidine
SKU: QM-0070970 | Size: 1 Each Price on request -
Naproxen ethyl ester [CAS 31220-35-6]
CAS: 31220-35-6 | SKU: QM-0095939-01 | Size: 50 mg£209.16 GBP -
N4-Benzoyl-5'-O-DMTr-2'-O- (N3-trifluoroacetyl) aminopropyl cytidine 3'-CED phosphoramidite [CAS 165381-54-4]
CAS: 165381-54-4 | SKU: QM-0071319 | Size: 1 Each Price on request -
Neuroprotectin D1 methyl ester [CAS 934005-36-4]
CAS: 934005-36-4 | SKU: QM-0094843 | Size: 1 Each Price on request -
N2-iso-Butyroyl-3’-deoxy-3’-fluoro guanosine [CAS 2080404-20-0]
CAS: 2080404-20-0 | SKU: QM-0071202 | Size: 1 Each Price on request -
Naproxen glucuronide [CAS 41945-43-1]
CAS: 41945-43-1 | SKU: QM-0092413 | Size: 1 mg£884.71 GBP -
N4-Benzoyl-2'-deoxy-5'-O-DMT-2',2'-difluorocytidine [CAS 142808-43-3]
CAS: 142808-43-3 | SKU: QM-0071003 | Size: 1 Each Price on request