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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Asenapine impurity 1 (Standard) [CAS 165890-26-6]
CAS: 165890-26-6 | SKU: QM-0017568-01 | Size: 5 mg£320.94 GBP -
Asenapine impurity 1 [CAS 165890-26-6]
CAS: 165890-26-6 | SKU: QM-0017567 | Size: 1 Each Price on request -
Avibactam impurity 53 [CAS 1416134-60-5]
CAS: 1416134-60-5 | SKU: QM-0017202 | Size: 1 Each Price on request -
Bedaquinoline impurity 1 [CAS 1972612-60-4]
CAS: 1972612-60-4 | SKU: QM-0007275-01 | Size: 5 mg£238.32 GBP -
Atorvastatin Epoxy Tetrahydrofuran Impurity [CAS 873950-19-7]
CAS: 873950-19-7 | SKU: QM-0006310-01 | Size: 10 mg£100.38 GBP -
Bempedoic acid impurity 1-d4 [CAS 2408132-01-2]
CAS: 2408132-01-2 | SKU: QM-0066052-01 | Size: 5 mg£441.23 GBP -
Bedaquiline impurity 2-d6
SKU: QM-0068050-01 | Size: 100 µg£489.83 GBP -
Atorvastatin EP impurity H-d5
SKU: QM-0065567 | Size: 1 mg£991.63 GBP -
Apster impurity 51 (Standard) [CAS 247569-89-7]
CAS: 247569-89-7 | SKU: QM-0056131 | Size: 1 Each Price on request -
Apster impurity 51 [CAS 247569-89-7]
CAS: 247569-89-7 | SKU: QM-0056130-01 | Size: 250 mg£250.47 GBP -
Apremilast impurity 2 (Standard) [CAS 1956-36-1]
CAS: 1956-36-1 | SKU: QM-0056129-01 | Size: 10 mg£57.09 GBP -
Apremilast impurity 2 [CAS 1956-36-1]
CAS: 1956-36-1 | SKU: QM-0056128-01 | Size: 100 mg£94.75 GBP -
Aprepitant Impurity 9-13C2, d2
SKU: QM-0054269 | Size: 1 Each Price on request -
Apixaban impurity 6 [CAS 2098457-93-1]
CAS: 2098457-93-1 | SKU: QM-0049612-01 | Size: 5 mg£100.38 GBP -
Amodiaquine impurity 1 (Standard) [CAS 81099-86-7]
CAS: 81099-86-7 | SKU: QM-0047857 | Size: 1 Each Price on request -
Amodiaquine impurity 1 [CAS 81099-86-7]
CAS: 81099-86-7 | SKU: QM-0047856-01 | Size: 100 mg£56.58 GBP -
Apocholic Acid (Delta 14 isomer) [CAS 2410280-03-2]
CAS: 2410280-03-2 | SKU: QM-0023592 | Size: 1 Each Price on request -
Apremilast impurity 1 (Standard) [CAS 15371-06-9]
CAS: 15371-06-9 | SKU: QM-0021397 | Size: 1 Each Price on request -
Apremilast impurity 1 [CAS 15371-06-9]
CAS: 15371-06-9 | SKU: QM-0021396-01 | Size: 25 mg£120.63 GBP -
Apixaban impurity 3 [CAS 2098457-92-0]
CAS: 2098457-92-0 | SKU: QM-0021332-01 | Size: 1 mg£1,255.28 GBP -
Apixaban impurity 2 (Standard) [CAS 2187409-01-2]
CAS: 2187409-01-2 | SKU: QM-0021331-01 | Size: 5 mg£250.47 GBP -
Apixaban impurity 2 [CAS 2187409-01-2]
CAS: 2187409-01-2 | SKU: QM-0021330-01 | Size: 5 mg£50.37 GBP -
Apixaban impurity 41 (Standard) [CAS 503614-92-4]
CAS: 503614-92-4 | SKU: QM-0021328 | Size: 1 Each Price on request -
Apixaban impurity 41 [CAS 503614-92-4]
CAS: 503614-92-4 | SKU: QM-0021327-01 | Size: 100 mg£63.82 GBP -
Apixaban impurity 18 (Standard) [CAS 1643330-62-4]
CAS: 1643330-62-4 | SKU: QM-0021301 | Size: 1 Each Price on request -
Apixaban impurity 18 [CAS 1643330-62-4]
CAS: 1643330-62-4 | SKU: QM-0021300-01 | Size: 100 mg£57.61 GBP -
Apixaban impurity 1 (Standard) [CAS 27143-07-3]
CAS: 27143-07-3 | SKU: QM-0021246-01 | Size: 10 mg£57.09 GBP -
Apixaban impurity 1 [CAS 27143-07-3]
CAS: 27143-07-3 | SKU: QM-0021245-01 | Size: 1 g£36.91 GBP -
Apixaban impurity 4 (Standard) [CAS 27143-09-5]
CAS: 27143-09-5 | SKU: QM-0017727 | Size: 1 Each Price on request -
Apixaban impurity 4 [CAS 27143-09-5]
CAS: 27143-09-5 | SKU: QM-0017726-01 | Size: 100 mg£47.26 GBP -
Aprepitant impurity 1 (Standard) [CAS 170729-76-7]
CAS: 170729-76-7 | SKU: QM-0005669 | Size: 1 Each Price on request -
Aprepitant impurity 1 [CAS 170729-76-7]
CAS: 170729-76-7 | SKU: QM-0005668-01 | Size: 5 mg£63.82 GBP -
Amlodipine aspartic acid impurity (Standard) [CAS 400602-35-9]
CAS: 400602-35-9 | SKU: QM-0005469 | Size: 1 Each Price on request -
Amlodipine aspartic acid impurity [CAS 400602-35-9]
CAS: 400602-35-9 | SKU: QM-0142497-01 | Size: 1 mg£124.00 GBP -
Aglutin impurity 7 (Standard) [CAS 1618644-29-3]
CAS: 1618644-29-3 | SKU: QM-0021296 | Size: 1 Each Price on request -
Aglutin impurity 7 [CAS 1618644-29-3]
CAS: 1618644-29-3 | SKU: QM-0021295-01 | Size: 1 mg£370.76 GBP -
Aglutin impurity 1 (Standard) [CAS 1268836-55-0]
CAS: 1268836-55-0 | SKU: QM-0021294 | Size: 1 Each Price on request -
Aglutin impurity 1 [CAS 1268836-55-0]
CAS: 1268836-55-0 | SKU: QM-0021293-01 | Size: 1 mg£257.76 GBP -
Alectinib impurity 1 (Standard) [CAS 1256584-75-4]
CAS: 1256584-75-4 | SKU: QM-0017692 | Size: 1 Each Price on request -
Alectinib impurity 1 [CAS 1256584-75-4]
CAS: 1256584-75-4 | SKU: QM-0017691-01 | Size: 500 mg£36.91 GBP -
Alfacalciferol impurity 1 [CAS 63181-13-5]
CAS: 63181-13-5 | SKU: QM-0017651-01 | Size: 1 mg£403.56 GBP -
Afatinib impurity 11 [CAS 1402086-20-7]
CAS: 1402086-20-7 | SKU: QM-0144551-01 | Size: 1 mg£198.23 GBP -
Almorexant (αS,1S) isomer-13C, d3
SKU: QM-0148036-01 | Size: 5 mg Price on request -
Alogliptin impurity 7-d3 [CAS 2714473-43-3]
CAS: 2714473-43-3 | SKU: QM-0085548 | Size: 1 Each Price on request -
Acetazolamide impurity 1 (Standard) [CAS 32873-56-6]
CAS: 32873-56-6 | SKU: QM-0048896 | Size: 1 Each Price on request -
Acetazolamide impurity 1 [CAS 32873-56-6]
CAS: 32873-56-6 | SKU: QM-0048895-01 | Size: 500 mg£36.91 GBP -
Abemaciclib Impurity 1 [CAS 1231930-33-8]
CAS: 1231930-33-8 | SKU: QM-0017740-01 | Size: 500 mg£51.91 GBP -
Acetaminophen impurity 1 (Standard) [CAS 3070-86-8]
CAS: 3070-86-8 | SKU: QM-0006199 | Size: 1 Each Price on request -
Acetaminophen impurity 1 [CAS 3070-86-8]
CAS: 3070-86-8 | SKU: QM-0006198-01 | Size: 100 mg£89.13 GBP -
Ac4ManNAz (80% α isomer) [CAS 361154-30-5]
CAS: 361154-30-5 | SKU: QM-0139371-01 | Size: 5 mg£99.25 GBP -
AB-FUBINACA 3-fluorobenzyl isomer [CAS 1185282-19-2]
CAS: 1185282-19-2 | SKU: QM-0088606-01 | Size: 1 mg£294.22 GBP -
ACAT-IN-1 cis isomer [CAS 145961-79-1]
CAS: 145961-79-1 | SKU: QM-0000145-01 | Size: 1 mg£1,741.28 GBP -
7α,25-Dihydroxycholesterol intermediate-1 [CAS 1326612-12-7]
CAS: 1326612-12-7 | SKU: QM-0074247 | Size: 1 Each Price on request -
7-Deazapurine impurity 1 (Standard) [CAS 876343-10-1]
CAS: 876343-10-1 | SKU: QM-0056146 | Size: 1 Each Price on request -
7-Deazapurine impurity 1 [CAS 876343-10-1]
CAS: 876343-10-1 | SKU: QM-0056145-01 | Size: 250 mg£51.91 GBP -
6-Chloroconazole impurity 17 (Standard) [CAS 188416-35-5]
CAS: 188416-35-5 | SKU: QM-0016997 | Size: 1 Each Price on request -
6-Chloroconazole impurity 17 [CAS 188416-35-5]
CAS: 188416-35-5 | SKU: QM-0016996-01 | Size: 100 mg£262.63 GBP -
5-Fluoro PB-22 6-hydroxyisoquinoline isomer [CAS 2365471-44-7]
CAS: 2365471-44-7 | SKU: QM-0154412 | Size: 1 Each Price on request -
5-Fluoro PB-22 5-hydroxyquinoline isomer [CAS 2365471-33-4]
CAS: 2365471-33-4 | SKU: QM-0129976-01 | Size: 1 mg£414.50 GBP -
5-Fluoro PB-22 8-hydroxyisoquinoline isomer [CAS 2365470-99-9]
CAS: 2365470-99-9 | SKU: QM-0128429 | Size: 1 Each Price on request -
5-Fluoro PB-22 7-hydroxyisoquinoline isomer [CAS 2365471-81-2]
CAS: 2365471-81-2 | SKU: QM-0122675-01 | Size: 1 mg£414.50 GBP -
5-Fluoro PB-22 N- (2-fluoropentyl) isomer [CAS 2365471-10-7]
CAS: 2365471-10-7 | SKU: QM-0121321 | Size: 1 Each Price on request -
5-Fluoro PB-22 5-hydroxyisoquinoline isomer [CAS 2365471-16-3]
CAS: 2365471-16-3 | SKU: QM-0114014-01 | Size: 1 mg£414.50 GBP -
5-Fluoro PB-22 N- (3-fluoropentyl) isomer [CAS 2365471-07-2]
CAS: 2365471-07-2 | SKU: QM-0110254 | Size: 1 Each Price on request -
5-Fluoro PB-22 N- (4-fluoropentyl) isomer [CAS 2365471-15-2]
CAS: 2365471-15-2 | SKU: QM-0093966 | Size: 1 Each Price on request -
5-Fluoro PB-22 6-hydroxyquinoline isomer [CAS 2365471-03-8]
CAS: 2365471-03-8 | SKU: QM-0090199-01 | Size: 1 mg£324.59 GBP -
5-Fluoro PB-22 7-hydroxyquinoline isomer [CAS 1630756-70-5]
CAS: 1630756-70-5 | SKU: QM-0088266 | Size: 1 Each Price on request -
4'-Hydroxytamoxifen-d6 (contains up to 10% E isomer) [CAS 1346606-80-1]
CAS: 1346606-80-1 | SKU: QM-0141169-01 | Size: 10 mg Price on request -
3-Hydroxy tibolone-d5 (mixture of 3a & 3b isomers)
SKU: QM-0053768 | Size: 1 Each Price on request -
25I-NBOMe 4-methoxy isomer (hydrochloride) [CAS 1566571-64-9]
CAS: 1566571-64-9 | SKU: QM-0119018-01 | Size: 1 mg£363.47 GBP -
2-Phthalimidolactosamine, heptaacetate (mixture of isomers) [CAS 129647-37-6]
CAS: 129647-37-6 | SKU: QM-0167462 | Size: 1 Each Price on request -
2-Ethyl-3,5-dimethylpyrazine, mixtureofisomers [CAS 13925-07-0]
CAS: 13925-07-0 | SKU: QM-0001653-01 | Size: 5 g£51.91 GBP -
2- (2- (2-Hydroxypropoxy) propoxy) propan-1-ol, (isomers mixture) (Standard) [CAS 24800-44-0]
CAS: 24800-44-0 | SKU: QM-0048444 | Size: 1 Each Price on request -
2- (((3,5-Dimethylpyridin-2-yl) methyl) thio) -6-methoxy-1Hbenzo[d]imidazole (esomeprazole impurity) -d3 [CAS 1794938-78-5]
CAS: 1794938-78-5 | SKU: QM-0006924-01 | Size: 2.5 mg Price on request -
18:1 BMP (R, R'; 2,2'-isomer) (ammonium) [CAS 3077426-95-7]
CAS: 3077426-95-7 | SKU: QM-0023542 | Size: 1 Each Price on request -
(Rac) -Nicotine EP impurity A-d4 (hydrochloride)
SKU: QM-0148115-01 | Size: 5 mg Price on request -
(E/Z) -FK-506 26,28-Allylic ester rearrangement impurity [CAS 131944-48-4]
CAS: 131944-48-4 | SKU: QM-0052226-01 | Size: 5 mg£285.71 GBP