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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Nortriptyline impurity 3-d3 (hydrochloride)
SKU: QM-0148158-01 | Size: 5 mg Price on request -
Olmesartan lactone impurity [CAS 849206-43-5]
CAS: 849206-43-5 | SKU: QM-0143606-01 | Size: 5 mg£67.44 GBP -
Olmesartan lactone impurity (Standard) [CAS 849206-43-5]
CAS: 849206-43-5 | SKU: QM-0123063 | Size: 1 Each Price on request -
Olmesartan impurity [CAS 154709-18-9]
CAS: 154709-18-9 | SKU: QM-0062380-01 | Size: 5 mg£78.82 GBP -
Nintedanib impurity 41 (Standard) [CAS 121-95-9]
CAS: 121-95-9 | SKU: QM-0056087 | Size: 1 Each Price on request -
Nintedanib impurity 41 [CAS 121-95-9]
CAS: 121-95-9 | SKU: QM-0056086-01 | Size: 100 mg£129.63 GBP -
Nintedanib impurity 9 (Standard) [CAS 1092522-02-5]
CAS: 1092522-02-5 | SKU: QM-0056081-01 | Size: 5 mg£62.26 GBP -
Nintedanib impurity 9 [CAS 1092522-02-5]
CAS: 1092522-02-5 | SKU: QM-0056080-01 | Size: 100 mg£118.38 GBP -
Nintedanib impurity 8 (Standard) [CAS 474020-88-7]
CAS: 474020-88-7 | SKU: QM-0056079-01 | Size: 10 mg£57.09 GBP -
Nintedanib impurity 8 [CAS 474020-88-7]
CAS: 474020-88-7 | SKU: QM-0056078-01 | Size: 100 mg£52.44 GBP -
Nintedanib impurity 2 [CAS 2410649-54-4]
CAS: 2410649-54-4 | SKU: QM-0056077-01 | Size: 5 mg£50.37 GBP -
Nintedanib impurity 4 [CAS 380427-39-4]
CAS: 380427-39-4 | SKU: QM-0056058 | Size: 100 mg£36.91 GBP -
Nintedanib impurity 10 [CAS 90924-46-2]
CAS: 90924-46-2 | SKU: QM-0056057-01 | Size: 25 mg£118.38 GBP -
Nintedanib impurity 7 (Standard) [CAS 1987887-92-2]
CAS: 1987887-92-2 | SKU: QM-0056050-01 | Size: 1 mg£140.88 GBP -
Nintedanib impurity 7 [CAS 1987887-92-2]
CAS: 1987887-92-2 | SKU: QM-0056049-01 | Size: 5 mg£135.25 GBP -
Nicodil impurity 1 (Standard) [CAS 40055-37-6]
CAS: 40055-37-6 | SKU: QM-0050096 | Size: 1 Each Price on request -
Nicodil impurity 1 [CAS 40055-37-6]
CAS: 40055-37-6 | SKU: QM-0050095-01 | Size: 100 mg£129.63 GBP -
Nizatidine impurity 1 (Standard) [CAS 78441-69-7]
CAS: 78441-69-7 | SKU: QM-0049587 | Size: 1 Each Price on request -
Nizatidine impurity 1 [CAS 78441-69-7]
CAS: 78441-69-7 | SKU: QM-0049586-01 | Size: 100 mg£200.66 GBP -
Neratinib impurity 11 [CAS 1144516-20-0]
CAS: 1144516-20-0 | SKU: QM-0049236 | Size: 50 mg£125.13 GBP -
Norepinephrine tartrate impurity 33 [CAS 636-88-4]
CAS: 636-88-4 | SKU: QM-0047901-01 | Size: 100 mg£140.88 GBP -
Nintedanib impurity 5 [CAS 676326-36-6]
CAS: 676326-36-6 | SKU: QM-0017586-01 | Size: 25 mg£36.91 GBP -
Nerolidol,98% (isomers mixture) [CAS 7212-44-4]
CAS: 7212-44-4 | SKU: QM-0164527-01 | Size: 5 g£51.91 GBP -
Nefazodone impurity 3-d6
SKU: QM-0148103-01 | Size: 1 mg Price on request -
Nicergoline impurity 11-d3
SKU: QM-0166592 | Size: 2.5 mg£1,116.77 GBP -
Nicergoline impurity 18-d4
SKU: QM-0114577 | Size: 1 Each Price on request -
N-Methyl Pantoprazole-d3 (Mixture of 1 and 3 isomers) [CAS 1190008-84-4]
CAS: 1190008-84-4 | SKU: QM-0005857-01 | Size: 5 mg Price on request -
MS4322 (isomer) [CAS 2601727-80-2]
CAS: 2601727-80-2 | SKU: QM-0147664-01 | Size: 1 mg£441.23 GBP -
Modafinil EP impurity B-d5 [CAS 1329496-95-8]
CAS: 1329496-95-8 | SKU: QM-0148109 | Size: 1 mg£537.21 GBP -
Metoprolol impurity 1 (Standard) [CAS 163685-38-9]
CAS: 163685-38-9 | SKU: QM-0050000 | Size: 1 Each Price on request -
Metoprolol impurity 1 [CAS 163685-38-9]
CAS: 163685-38-9 | SKU: QM-0049999-01 | Size: 25 mg£44.16 GBP -
Metoprolol impurity 42 (Standard) [CAS 330976-39-1]
CAS: 330976-39-1 | SKU: QM-0049814 | Size: 1 Each Price on request -
Metoprolol impurity 42 [CAS 330976-39-1]
CAS: 330976-39-1 | SKU: QM-0049813-01 | Size: 100 mg£140.88 GBP -
Mivacurium chloride impurity 6 (Standard) [CAS 1026602-92-5]
CAS: 1026602-92-5 | SKU: QM-0049772 | Size: 1 Each Price on request -
Mivacurium chloride impurity 6 [CAS 1026602-92-5]
CAS: 1026602-92-5 | SKU: QM-0049771-01 | Size: 100 mg£63.82 GBP -
Metronidazole impurity 1 (Standard) [CAS 5006-68-8]
CAS: 5006-68-8 | SKU: QM-0048485 | Size: 1 Each Price on request -
Metronidazole impurity 1 [CAS 5006-68-8]
CAS: 5006-68-8 | SKU: QM-0048484-01 | Size: 100 mg£218.88 GBP -
Mianserin EP impurity E-d4 (hydrochloride)
SKU: QM-0148096-01 | Size: 1 mg Price on request -
Mirabegron impurity-1 [CAS 391901-45-4]
CAS: 391901-45-4 | SKU: QM-0186549-01 | Size: 5 g£51.91 GBP -
Minodronic acid impurity 2-d4
SKU: QM-0148098-01 | Size: 5 mg Price on request -
Metoprolol EP impurity O-d7 (hydrochloride) [CAS 2673270-18-1]
CAS: 2673270-18-1 | SKU: QM-0173787-01 | Size: 1 mg Price on request -
Mirabegron impurity-1 (Standard) [CAS 391901-45-4]
CAS: 391901-45-4 | SKU: QM-0166754 | Size: 1 Each Price on request -
Mianserin impurity-1 [CAS 73771-03-6]
CAS: 73771-03-6 | SKU: QM-0116332 | Size: 1 Each Price on request -
Methoxyamiodarone impurity 1 (Standard) [CAS 83790-87-8]
CAS: 83790-87-8 | SKU: QM-0017676 | Size: 1 Each Price on request -
Methoxyamiodarone impurity 1 [CAS 83790-87-8]
CAS: 83790-87-8 | SKU: QM-0017675-01 | Size: 100 mg£72.61 GBP -
Metformin impurity 1 (Standard) [CAS 1674-62-0]
CAS: 1674-62-0 | SKU: QM-0016911 | Size: 1 Each Price on request -
Metformin impurity 1 [CAS 1674-62-0]
CAS: 1674-62-0 | SKU: QM-0016910-01 | Size: 100 mg£129.63 GBP -
Megastigmatrienone (mixed isomers) [CAS 13215-88-8]
CAS: 13215-88-8 | SKU: QM-0005952 | Size: 1 Each Price on request -
Mesalamine impurity P [CAS 887256-40-8]
CAS: 887256-40-8 | SKU: QM-0143599-01 | Size: 5 mg£571.24 GBP -
Methiopropamine 3’-thiophene isomer (hydrochloride) [CAS 857361-90-1]
CAS: 857361-90-1 | SKU: QM-0087595-01 | Size: 500 µg£189.72 GBP -
Maleylacetoacetate isomerase/GSTZ1, Human (N-His)
SKU: QM-0202805-01 | Size: 5 µg£122.88 GBP -
Lodoxamide impurity 2-d10
SKU: QM-0193337-01 | Size: 1 mg Price on request -
LY-411575 (isomer 2) [CAS 2070009-70-8]
CAS: 2070009-70-8 | SKU: QM-0156457-01 | Size: 1 mg£1,241.91 GBP -
Maytansinoid DM4 impurity 5-d6
SKU: QM-0148099-01 | Size: 5 mg Price on request -
Maytansinoid DM4 impurity 2-d6
SKU: QM-0148111-01 | Size: 1 mg Price on request -
Loxapine impurity 2-d8
SKU: QM-0148085-01 | Size: 5 mg Price on request -
LY-411575 (isomer 3) [CAS 2070009-28-6]
CAS: 2070009-28-6 | SKU: QM-0156458-01 | Size: 1 mg£1,241.91 GBP -
Losartan impurity 21-d4
SKU: QM-0148094-01 | Size: 5 mg Price on request -
Loxapine impurity 3-d8 (iodide)
SKU: QM-0148087-01 | Size: 5 mg Price on request -
LY-411575 (isomer 1) [CAS 209984-58-7]
CAS: 209984-58-7 | SKU: QM-0156456-01 | Size: 1 mg£1,241.91 GBP -
Lodoxamide impurity 1-d5
SKU: QM-0172008-01 | Size: 1 mg Price on request -
Maytansinoid DM4 impurity 3-d6
SKU: QM-0148112-01 | Size: 1 mg Price on request -
Ledipasvir impurity 53 (Standard) [CAS 1129634-43-0]
CAS: 1129634-43-0 | SKU: QM-0056098 | Size: 1 Each Price on request -
Ledipasvir impurity 53 [CAS 1129634-43-0]
CAS: 1129634-43-0 | SKU: QM-0056097-01 | Size: 100 mg£124.00 GBP -
Ledipasvir impurity 55 (Standard) [CAS 1499193-60-0]
CAS: 1499193-60-0 | SKU: QM-0056094-01 | Size: 10 mg£67.44 GBP -
Ledipasvir impurity 55 [CAS 1499193-60-0]
CAS: 1499193-60-0 | SKU: QM-0056093-01 | Size: 100 mg£52.44 GBP -
Lacosamide impurity 1 [CAS 171623-03-3]
CAS: 171623-03-3 | SKU: QM-0053324 | Size: 1 Each Price on request -
Lenvatinib impurity 1 (Standard) [CAS 417721-34-7]
CAS: 417721-34-7 | SKU: QM-0049524 | Size: 1 Each Price on request -
Lenvatinib impurity 1 [CAS 417721-34-7]
CAS: 417721-34-7 | SKU: QM-0049523-01 | Size: 100 mg£140.88 GBP -
Linagliptin impurity 22 [CAS 2444011-29-2]
CAS: 2444011-29-2 | SKU: QM-0021365-01 | Size: 1 mg£953.96 GBP -
Linagliptin impurity 26
SKU: QM-0021341-01 | Size: 1 mg£1,556.60 GBP -
Linagliptin impurity 34 [CAS 13535-91-6]
CAS: 13535-91-6 | SKU: QM-0021340-01 | Size: 10 mg£520.20 GBP -
Linagliptin impurity 47 [CAS 2074688-81-4]
CAS: 2074688-81-4 | SKU: QM-0021339-01 | Size: 1 mg£1,806.89 GBP -
Linagliptin impurity 24 [CAS 2803370-12-7]
CAS: 2803370-12-7 | SKU: QM-0021338-01 | Size: 1 mg£1,556.60 GBP -
Linagliptin impurity 1 [CAS 1446263-39-3]
CAS: 1446263-39-3 | SKU: QM-0021337 | Size: 5 mg£3,815.28 GBP -
Lidocaine impurity 1 [CAS 39084-88-3]
CAS: 39084-88-3 | SKU: QM-0017311-01 | Size: 5 mg£63.82 GBP -
Lifitegrast impurity 6 (Standard) [CAS 1270093-99-6]
CAS: 1270093-99-6 | SKU: QM-0016900 | Size: 1 Each Price on request -
Lifitegrast impurity 6 [CAS 1270093-99-6]
CAS: 1270093-99-6 | SKU: QM-0016899-01 | Size: 50 mg£100.38 GBP -
Levetiracetam impurity 1 (Standard) [CAS 102849-49-0]
CAS: 102849-49-0 | SKU: QM-0006197 | Size: 1 Each Price on request -
Levetiracetam impurity 1 [CAS 102849-49-0]
CAS: 102849-49-0 | SKU: QM-0006196-01 | Size: 100 mg£118.38 GBP -
Lidocaine impurity 5-d6
SKU: QM-0185170-01 | Size: 1 mg Price on request -
Lapatinib impurity 18-d4
SKU: QM-0155686-01 | Size: 1 mg Price on request -
Leuprolide Acetate EP Impurity D [CAS 1926163-25-8]
CAS: 1926163-25-8 | SKU: QM-0129897 | Size: 1 Each Price on request -
Ketoprofen impurity 1 (Standard) [CAS 320730-08-3]
CAS: 320730-08-3 | SKU: QM-0050099 | Size: 1 Each Price on request -
Ketoprofen impurity 1 [CAS 320730-08-3]
CAS: 320730-08-3 | SKU: QM-0050098-01 | Size: 100 mg£63.82 GBP -
KI696 isomer (Standard) [CAS 1799974-69-8]
CAS: 1799974-69-8 | SKU: QM-0002204 | Size: 1 Each Price on request -
KI696 isomer [CAS 1799974-69-8]
CAS: 1799974-69-8 | SKU: QM-0079993-01 | Size: 5 mg£791.15 GBP -
Ketotifen impurity 3-d4
SKU: QM-0148077-01 | Size: 1 mg Price on request -
L-Arabinose isomerase [CAS 9023-80-7]
CAS: 9023-80-7 | SKU: QM-0161502-01 | Size: 100 U£1,430.24 GBP -
L-arabinose isomerase, Bacillus subtilis
SKU: QM-0132005 | Size: 1 Each Price on request -
L-arabinose isomerase, Bacillus subtilis (His)
SKU: QM-0131402 | Size: 1 Each Price on request -
Ilurodoline impurity 10 (Standard) [CAS 63113-79-1]
CAS: 63113-79-1 | SKU: QM-0056106-01 | Size: 10 mg£57.09 GBP -
Ilurodoline impurity 10 [CAS 63113-79-1]
CAS: 63113-79-1 | SKU: QM-0056105-01 | Size: 1 g£55.02 GBP -
Iluoridine impurity 9 (Standard) [CAS 191604-81-6]
CAS: 191604-81-6 | SKU: QM-0056104-01 | Size: 5 mg£67.44 GBP -
Iluoridine impurity 9 [CAS 191604-81-6]
CAS: 191604-81-6 | SKU: QM-0056103-01 | Size: 100 mg£124.00 GBP -
Indobufen impurity 6 (Standard) [CAS 199328-10-4]
CAS: 199328-10-4 | SKU: QM-0056056 | Size: 1 Each Price on request -
Indobufen impurity 6 [CAS 199328-10-4]
CAS: 199328-10-4 | SKU: QM-0056055-01 | Size: 1 g£42.09 GBP -
Indobufen impurity 4 (Standard) [CAS 334952-09-9]
CAS: 334952-09-9 | SKU: QM-0056054 | Size: 1 Each Price on request -
Indobufen impurity 4 [CAS 334952-09-9]
CAS: 334952-09-9 | SKU: QM-0056053-01 | Size: 250 mg£36.91 GBP -
Indobufen impurity 2 (Standard) [CAS 1638764-31-4]
CAS: 1638764-31-4 | SKU: QM-0056052 | Size: 1 Each Price on request -
Indobufen impurity 2 [CAS 1638764-31-4]
CAS: 1638764-31-4 | SKU: QM-0056051-01 | Size: 100 mg£106.00 GBP -
Indobufen impurity 16 (Standard) [CAS 29644-97-1]
CAS: 29644-97-1 | SKU: QM-0049906 | Size: 1 Each Price on request -
Indobufen impurity 16 [CAS 29644-97-1]
CAS: 29644-97-1 | SKU: QM-0049905-01 | Size: 100 mg£47.26 GBP -
Impurity B of Calcitriol (Standard) [CAS 66791-71-7]
CAS: 66791-71-7 | SKU: QM-0005921 | Size: 1 Each Price on request -
Imatinib Impurity E (Standard) [CAS 1365802-18-1]
CAS: 1365802-18-1 | SKU: QM-0005716 | Size: 1 Each Price on request -
ISRIB (trans-isomer) [CAS 1597403-47-8]
CAS: 1597403-47-8 | SKU: QM-0141373-01 | Size: 5 mg£121.75 GBP -
Impurity of Doxercalciferol [CAS 127516-23-8]
CAS: 127516-23-8 | SKU: QM-0156839-01 | Size: 5 mg£1,201.82 GBP -
INCB3344 (R-isomer)
SKU: QM-0156424-01 | Size: 5 mg£539.64 GBP -
Impurity C of Calcitriol [CAS 86307-44-0]
CAS: 86307-44-0 | SKU: QM-0144216-01 | Size: 1 mg£652.64 GBP -
Impurity C of Alfacalcidol [CAS 82266-85-1]
CAS: 82266-85-1 | SKU: QM-0144219-01 | Size: 5 mg£288.14 GBP -
Isomerazin [CAS 1088-17-1]
CAS: 1088-17-1 | SKU: QM-0165341-01 | Size: 1 mg£200.66 GBP -
Impurity B of Calcitriol [CAS 66791-71-7]
CAS: 66791-71-7 | SKU: QM-0144211-01 | Size: 1 mg£1,255.28 GBP -
Irbesartan impurity 20-d4
SKU: QM-0148072-01 | Size: 1 mg Price on request -
Imidacloprid impurity 2-d4 (hydrochloride)
SKU: QM-0148074-01 | Size: 1 mg Price on request -
Irbesartan impurity 14-d4
SKU: QM-0148073-01 | Size: 1 mg Price on request -
Ivabradine impurity 7-d6 [CAS 2733718-12-0]
CAS: 2733718-12-0 | SKU: QM-0148080-01 | Size: 1 mg Price on request -
Imatinib Impurity E [CAS 1365802-18-1]
CAS: 1365802-18-1 | SKU: QM-0143605-01 | Size: 5 mg£238.32 GBP -
Imiquimod impurity 1-d6
SKU: QM-0148084-01 | Size: 1 mg£1,606.41 GBP -
Impurity F of Calcipotriol [CAS 112875-61-3]
CAS: 112875-61-3 | SKU: QM-0000543 | Size: 1 mg£1,053.59 GBP -
Imidacloprid impurity 1 [CAS 105828-41-9]
CAS: 105828-41-9 | SKU: QM-0130539-01 | Size: 25 mg£125.13 GBP