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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α-Hydroxytamoxifen [CAS 97151-02-5]
CAS: 97151-02-5 | SKU: QM-0059536 | Size: 500 µg£110.50 GBP -
Vardenafil N-oxide [CAS 448184-48-3]
CAS: 448184-48-3 | SKU: QM-0100226-01 | Size: 5 mg£256.55 GBP -
α-Hydroxy Montelukast [CAS 2045402-27-3]
CAS: 2045402-27-3 | SKU: QM-0099847-01 | Size: 1 mg£1,075.46 GBP -
Venetoclax N-oxide [CAS 2469279-00-1]
CAS: 2469279-00-1 | SKU: QM-0062378-01 | Size: 1 mg£56.05 GBP -
α-Hydroxymetoprolol-d7 [CAS 1276197-39-7]
CAS: 1276197-39-7 | SKU: QM-0062510 | Size: 1 mg£878.63 GBP -
Zoptarelin doxorubicin [CAS 139570-93-7]
CAS: 139570-93-7 | SKU: QM-0073738 | Size: 1 Each Price on request -
Uridine-5-oxo-acetyl- (9-fluorenylmethyl) ester
SKU: QM-0070418 | Size: 1 Each Price on request -
β,3-Dihydroxytyrosine [CAS 492-46-6]
CAS: 492-46-6 | SKU: QM-0083000 | Size: 1 Each Price on request -
Trans-3'-Hydroxy Cotinine-d3 N-b-D-Glucuronide
SKU: QM-0054259-01 | Size: 100 µg£791.15 GBP -
Trans-3'-Hydroxy Cotinine-d3 Acetate [CAS 2714418-11-6]
CAS: 2714418-11-6 | SKU: QM-0053959 | Size: 1 Each Price on request -
Trihydroxycoprostane-d7
SKU: QM-0053787-01 | Size: 500 µg£702.46 GBP -
Tert-Butyl 4-oxobutanoate [CAS 51534-77-1]
CAS: 51534-77-1 | SKU: QM-0052527-01 | Size: 100 mg£63.29 GBP -
Tert-Butyl 5-hydroxypentanoate [CAS 91420-49-4]
CAS: 91420-49-4 | SKU: QM-0052156 | Size: 1 Each Price on request -
Tert-Butyl 7-hydroxyheptanoate [CAS 86013-78-7]
CAS: 86013-78-7 | SKU: QM-0052024-01 | Size: 100 mg£57.09 GBP -
Tert-Butyl 4- (hydroxymethyl) -5-methoxy-7-methyl-1H-indole-1-carboxylate [CAS 1644667-10-6]
CAS: 1644667-10-6 | SKU: QM-0052012-01 | Size: 100 mg£111.63 GBP -
Tetrahydro-2,5-dioxo-3-furansulfonic acid, (sodium) [CAS 73464-18-3]
CAS: 73464-18-3 | SKU: QM-0051665-01 | Size: 100 mg£104.88 GBP -
Tetradecyl 2-hydroxypropanoate (Standard) [CAS 1323-03-1]
CAS: 1323-03-1 | SKU: QM-0051559 | Size: 1 Each Price on request -
Tert-butyl 4- (hydroxymethyl) -[1,4'-bipiperidine]-1'-carboxylate [CAS 1215788-48-9]
CAS: 1215788-48-9 | SKU: QM-0051524 | Size: 1 Each Price on request -
Tert-butyl 4- (4- (hydroxymethyl) benzyl) piperazine-1-carboxylate [CAS 622381-67-3]
CAS: 622381-67-3 | SKU: QM-0051472-01 | Size: 100 mg£94.75 GBP -
Tert-Butyl 4- (2-ethoxy-1,1-difluoro-2-oxoethyl) piperidine-1-carboxylate [CAS 1258639-00-7]
CAS: 1258639-00-7 | SKU: QM-0051351 | Size: 1 Each Price on request -
Tert-Butyl 4- (2-hydroxyethoxy) piperidine-1-carboxylate [CAS 163210-40-0]
CAS: 163210-40-0 | SKU: QM-0051337-01 | Size: 100 mg£88.00 GBP -
Tert-Butyl 6-hydroxyhexanoate [CAS 73839-20-0]
CAS: 73839-20-0 | SKU: QM-0051175-01 | Size: 100 mg£51.91 GBP -
Tert-Butyl methyl (3-oxopropyl) carbamate [CAS 273757-11-2]
CAS: 273757-11-2 | SKU: QM-0051011 | Size: 1 Each Price on request -
Tert-Butyl 4- (4- (hydroxymethyl) phenoxy) piperidine-1-carboxylate [CAS 321337-38-6]
CAS: 321337-38-6 | SKU: QM-0050436 | Size: 1 Each Price on request -
Tert-Butyl 4- (2-aminoethyl) -3-oxopiperazine-1-carboxylate [CAS 234108-58-8]
CAS: 234108-58-8 | SKU: QM-0050022 | Size: 1 Each Price on request -
Tert-Butyl 4- ((2-hydroxyethoxy) methyl) piperidine-1-carboxylate [CAS 1260099-72-6]
CAS: 1260099-72-6 | SKU: QM-0049485 | Size: 1 Each Price on request -
Tert-Butyl cis-4- (hydroxymethyl) cyclohexylcarbamate [CAS 223131-01-9]
CAS: 223131-01-9 | SKU: QM-0049442 | Size: 1 Each Price on request -
Tert-Butyl 6- (hydroxymethyl) -2-azaspiro[3.3]heptane-2-carboxylate [CAS 1363381-93-4]
CAS: 1363381-93-4 | SKU: QM-0049349 | Size: 1 Each Price on request -
Tert-Butyl 7- (hydroxymethyl) -2-azaspiro[3.5]nonane-2-carboxylate [CAS 1434141-69-1]
CAS: 1434141-69-1 | SKU: QM-0049347 | Size: 1 Each Price on request -
Tert-Butyl N-[3- (hydroxymethyl) cyclobutyl]carbamate [CAS 130369-05-0]
CAS: 130369-05-0 | SKU: QM-0049340 | Size: 1 Each Price on request -
Tert-Butyl 4- (3-hydroxyprop-1-yn-1-yl) piperidine-1-carboxylate [CAS 403802-41-5]
CAS: 403802-41-5 | SKU: QM-0049315 | Size: 1 Each Price on request -
Tert-Butyl 6-hydroxy-2-azaspiro[3.4]octane-2-carboxylate [CAS 1363381-95-6]
CAS: 1363381-95-6 | SKU: QM-0049274 | Size: 1 Each Price on request -
Tert-Butyl 4- (hydroxymethyl) benzylcarbamate [CAS 123986-64-1]
CAS: 123986-64-1 | SKU: QM-0049200 | Size: 1 Each Price on request -
Tert-Butyl N- (2,6-dioxopiperidin-3-yl) carbamate (Standard) [CAS 31140-42-8]
CAS: 31140-42-8 | SKU: QM-0049162 | Size: 1 Each Price on request -
Tert-Butyl 9-oxo-3-azaspiro[5.5]undecane-3-carboxylate [CAS 873924-08-4]
CAS: 873924-08-4 | SKU: QM-0049155 | Size: 1 Each Price on request -
Tert-Butyl 4- (4- (hydroxymethyl) phenyl) piperazine-1-carboxylate [CAS 158985-37-6]
CAS: 158985-37-6 | SKU: QM-0048853 | Size: 1 Each Price on request -
Tert-Butyl N- (3-hydroxypropyl) -N-methylcarbamate [CAS 98642-44-5]
CAS: 98642-44-5 | SKU: QM-0048801 | Size: 1 Each Price on request -
Trans-1,4-Bis (hydroxymethyl) cyclohexane [CAS 3236-48-4]
CAS: 3236-48-4 | SKU: QM-0048786 | Size: 1 Each Price on request -
Tert-Butyl 4-hydroxybutanoate [CAS 59854-12-5]
CAS: 59854-12-5 | SKU: QM-0048773-01 | Size: 1 g£67.44 GBP -
Tert-Butyl 4- (3-hydroxypropyl) piperazine-1-carboxylate [CAS 132710-90-8]
CAS: 132710-90-8 | SKU: QM-0048196-01 | Size: 1 g£51.91 GBP -
Tetrahydroxydiboron [CAS 13675-18-8]
CAS: 13675-18-8 | SKU: QM-0047632-01 | Size: 25 g£51.91 GBP -
Tert-butyl 4- (2-Ethoxy-1,1-difluoro-2-oxoethyl) -5,6-dihydropyridine-1 (2H) -carboxylate [CAS 1258637-70-5]
CAS: 1258637-70-5 | SKU: QM-0047478 | Size: 1 Each Price on request -
Tyrosine Hydroxylase, Mouse (sf9, His)
SKU: QM-0027588-01 | Size: 5 µg£89.13 GBP -
Tetrahydroxymethoxychalcone [CAS 197227-39-7]
CAS: 197227-39-7 | SKU: QM-0024602-01 | Size: 1 mg£271.13 GBP -
Trichodesmine N-oxide [CAS 55727-46-3]
CAS: 55727-46-3 | SKU: QM-0023939 | Size: 1 Each Price on request -
Tetrahydroxysqualene [CAS 1043629-23-7]
CAS: 1043629-23-7 | SKU: QM-0021795 | Size: 1 Each Price on request -
Thiarsahydroxy-cysteine-CoA
SKU: QM-0019939 | Size: 1 Each Price on request -
Trans-O-Hydroxy-alpha-methyl-cinnamate-CoA
SKU: QM-0019861 | Size: 1 Each Price on request -
Tetrahydroxyquinone (monohydrate) [CAS 1215458-51-7]
CAS: 1215458-51-7 | SKU: QM-0018228-01 | Size: 100 mg£57.09 GBP -
Tetrahydroxyquinone [CAS 319-89-1]
CAS: 319-89-1 | SKU: QM-0018227-01 | Size: 100 mg£57.09 GBP -
Tert-Butyl 4- (2-ethoxy-2-oxoethyl) piperidine-1-carboxylate [CAS 135716-09-5]
CAS: 135716-09-5 | SKU: QM-0017693-01 | Size: 10 g£59.16 GBP -
Trans-4-Hydroxycyclohexanecarboxylic acid (Standard) [CAS 3685-26-5]
CAS: 3685-26-5 | SKU: QM-0017618-01 | Size: 25 mg£62.26 GBP -
Tert-Butyl 4- (6- (8-cyclopentyl-5-Methyl-7-oxo-6- (1-propoxyvinyl) -7,8-dihydropyrido[2,3-d]pyriMidin-2-ylaMino) pyridin-3-yl) piperazine-1-carboxylate [CAS 866084-31-3]
CAS: 866084-31-3 | SKU: QM-0017601-01 | Size: 100 mg£89.13 GBP -
Tert-Butyl 4- (4-hydroxybutyl) piperidine-1-carboxylate [CAS 142355-83-7]
CAS: 142355-83-7 | SKU: QM-0017021-01 | Size: 100 mg£51.91 GBP -
Tert-Butyl 4- (3-hydroxypropyl) tetrahydropyridine-1 (2H) -carboxylate [CAS 156185-63-6]
CAS: 156185-63-6 | SKU: QM-0016829-01 | Size: 250 mg£51.91 GBP -
Thioxo-Dxd [CAS 2806052-35-5]
CAS: 2806052-35-5 | SKU: QM-0015102 | Size: 1 Each Price on request -
Trans-4-Hydroxyprolinol-C10-tri-GalNAc [CAS 1469730-77-5]
CAS: 1469730-77-5 | SKU: QM-0010182 | Size: 1 Each Price on request -
Thalidomide 5-Pip-C-oxotetrahydropyrimidin-bromophenyl [CAS 3024909-50-7]
CAS: 3024909-50-7 | SKU: QM-0007916 | Size: 1 Each Price on request -
Thalidomide 5-azetidine-2C-oxotetrahydropyrimidin-bromophenyl [CAS 3034310-00-1]
CAS: 3034310-00-1 | SKU: QM-0007914 | Size: 1 Each Price on request -
Tert-Butyl 8-hydroxyoctanoate [CAS 401901-41-5]
CAS: 401901-41-5 | SKU: QM-0005997-01 | Size: 100 mg£89.13 GBP -
Trimethylamine N-oxide (Standard) [CAS 1184-78-7]
CAS: 1184-78-7 | SKU: QM-0004167-01 | Size: 10 mg£57.09 GBP -
Trimethylamine N-oxide (dihydrate) (Standard) [CAS 62637-93-8]
CAS: 62637-93-8 | SKU: QM-0003499-01 | Size: 25 mg£62.26 GBP -
Tetroxoprim (Standard) [CAS 53808-87-0]
CAS: 53808-87-0 | SKU: QM-0003259-01 | Size: 5 mg£727.97 GBP -
Tetroxoprim [CAS 53808-87-0]
CAS: 53808-87-0 | SKU: QM-0003258-01 | Size: 5 mg£275.99 GBP -
Tramadol N-oxide [CAS 147441-56-3]
CAS: 147441-56-3 | SKU: QM-0002842 | Size: 1 Each Price on request -
Toxoflavin (Standard) [CAS 84-82-2]
CAS: 84-82-2 | SKU: QM-0002027-01 | Size: 1 mg£238.32 GBP -
Trihydroxycholestanoic acid [CAS 547-98-8]
CAS: 547-98-8 | SKU: QM-0138033-01 | Size: 500 µg£138.63 GBP -
Topiroxostat [CAS 577778-58-6]
CAS: 577778-58-6 | SKU: QM-0149836-01 | Size: 5 mg£62.26 GBP -
Tyrosine Hydroxylase, Mouse (sf9, His, solution)
SKU: QM-0203701-01 | Size: 10 µg£152.38 GBP -
Toxoflavin [CAS 84-82-2]
CAS: 84-82-2 | SKU: QM-0079666-01 | Size: 5 mg£188.51 GBP -
TLR7/8 agonist 4 hydroxy-PEG6-acid (hydrochloride)
SKU: QM-0152091-01 | Size: 1 mg£678.15 GBP -
Tioxolone [CAS 4991-65-5]
CAS: 4991-65-5 | SKU: QM-0158429-01 | Size: 500 mg£51.91 GBP -
Trans-4-Hydroxy-2-nonenoic acid [CAS 95087-42-6]
CAS: 95087-42-6 | SKU: QM-0163655-01 | Size: 5 mg£238.32 GBP -
Trimethylamine N-oxide [CAS 1184-78-7]
CAS: 1184-78-7 | SKU: QM-0138808-01 | Size: 500 mg£57.09 GBP -
Trans-4-Hydroxycyclohexanecarboxylic acid [CAS 3685-26-5]
CAS: 3685-26-5 | SKU: QM-0156756-01 | Size: 1 g£51.91 GBP -
Tryptophan Hydroxylase 1/TPH-1, Human (His)
SKU: QM-0195947-01 | Size: 5 µg£152.38 GBP -
Toxoflavin-13C4 [CAS 2300178-70-3]
CAS: 2300178-70-3 | SKU: QM-0079667-01 | Size: 1 mg Price on request -
Trans-Hydroxy Glimepiride-d4 [CAS 2749985-37-1]
CAS: 2749985-37-1 | SKU: QM-0148571-01 | Size: 1 mg Price on request -
Trimipramine N-oxide [CAS 14171-70-1]
CAS: 14171-70-1 | SKU: QM-0149356-01 | Size: 1 mg£388.99 GBP -
TET 830 modified/T-helper epitope from tetanus toxoid [CAS 410527-75-2]
CAS: 410527-75-2 | SKU: QM-0188364-01 | Size: 5 mg£345.25 GBP -
Trans-Hydroxy praziquantel-d5 [CAS 1792180-18-7]
CAS: 1792180-18-7 | SKU: QM-0147980-01 | Size: 5 mg Price on request -
Trimethylamine-N-oxide-13C3
SKU: QM-0138809 | Size: 1 mg£934.52 GBP -
Trimethylamine N-oxide (dihydrate) [CAS 62637-93-8]
CAS: 62637-93-8 | SKU: QM-0136295-01 | Size: 1 g£51.91 GBP -
Topiroxostat-d4 [CAS 2732868-49-2]
CAS: 2732868-49-2 | SKU: QM-0149841-01 | Size: 5 mg Price on request -
Threo-1- (4-Hydroxy-3-methoxyphenyl) propane-1,2-diol [CAS 848031-94-7]
CAS: 848031-94-7 | SKU: QM-0130304 | Size: 1 Each Price on request -
Trivalent hydroxyarsinothricn
SKU: QM-0128340 | Size: 1 Each Price on request -
Threo-9,10-Dihydroxyoctadecanoic acid [CAS 10067-09-1]
CAS: 10067-09-1 | SKU: QM-0122320 | Size: 1 Each Price on request -
TLR7/8 agonist 4 hydroxy-PEG10-acid (hydrochloride) [CAS 2388520-36-1]
CAS: 2388520-36-1 | SKU: QM-0063619-01 | Size: 5 mg£753.49 GBP -
Threo-9,10-Dihydroxystearic acid [CAS 2391-05-1]
CAS: 2391-05-1 | SKU: QM-0118831-01 | Size: 10 mg£124.00 GBP -
Trans-1,4-Dihydroxycyclohexaneacetic acid [CAS 1310146-00-9]
CAS: 1310146-00-9 | SKU: QM-0117714 | Size: 1 Each Price on request -
TLR7/8 agonist 4 hydroxy-PEG10-acid [CAS 2388520-17-8]
CAS: 2388520-17-8 | SKU: QM-0063618 | Size: 1 Each Price on request -
Trimethylsulfoxonium-d9 Iodide [CAS 23726-00-3]
CAS: 23726-00-3 | SKU: QM-0074159-01 | Size: 50 mg£126.25 GBP -
Trans-3’-Hydroxycotinine-O-β-glucuronide-d3
SKU: QM-0115952 | Size: 1 mg Price on request -
Tris (3-hydroxypropyltriazolylmethyl) amine [CAS 760952-88-3]
CAS: 760952-88-3 | SKU: QM-0115189-01 | Size: 100 mg£78.82 GBP -
Tert-Butyl 4-hydroxypiperidine-1-carboxylate-3,3,4,5,5-d5 [CAS 1523606-18-9]
CAS: 1523606-18-9 | SKU: QM-0115122-01 | Size: 1 mg£124.00 GBP -
Topiroxostat (Standard) [CAS 577778-58-6]
CAS: 577778-58-6 | SKU: QM-0110321-01 | Size: 5 mg£127.38 GBP -
Trimethoprim N-oxide [CAS 27653-68-5]
CAS: 27653-68-5 | SKU: QM-0056920-01 | Size: 1 mg£574.88 GBP -
TLR7/8 agonist 4 hydroxy-PEG6-acid [CAS 2388520-23-6]
CAS: 2388520-23-6 | SKU: QM-0072537 | Size: 1 Each Price on request -
Trihydroxycholestanoic acid-d3 [CAS 338976-79-7]
CAS: 338976-79-7 | SKU: QM-0058715 | Size: 500 µg£743.76 GBP -
Tioxolone (Standard) [CAS 4991-65-5]
CAS: 4991-65-5 | SKU: QM-0097104-01 | Size: 10 mg£62.26 GBP -
Tyrosine Hydroxylase, Human (sf9, His)
SKU: QM-0093867 | Size: 50 µg£736.48 GBP -
Trimethylamine N-oxide-d9 [CAS 1161070-49-0]
CAS: 1161070-49-0 | SKU: QM-0059208-01 | Size: 1 mg£94.75 GBP -
Trimetazidine-N-oxide [CAS 1644530-89-1]
CAS: 1644530-89-1 | SKU: QM-0062688 | Size: 1 Each Price on request -
Tris (hydroxymethyl) methylammonium dihydrogen phosphate [CAS 6992-39-8]
CAS: 6992-39-8 | SKU: QM-0088800 | Size: 1 Each Price on request -
Threo-12,13-Dihydroxyoctadecanoic acid [CAS 73837-56-6]
CAS: 73837-56-6 | SKU: QM-0088018 | Size: 1 Each Price on request -
Trans-Hydroxy Glimepiride [CAS 600177-94-4]
CAS: 600177-94-4 | SKU: QM-0082665 | Size: 1 mg£958.82 GBP -
Trans-2,3-Dihydro-3-hydroxyeuparin [CAS 64185-57-5]
CAS: 64185-57-5 | SKU: QM-0082118 | Size: 1 Each Price on request -
Trihydroxycholestanoic acid-d5 [CAS 2936622-49-8]
CAS: 2936622-49-8 | SKU: QM-0080770 | Size: 1 Each Price on request -
Tert-Butyl 1- (hydroxymethyl) hexahydropyrrolo[3,4-c]pyrrole-2 (1H) -carboxylate (hydrochloride) [CAS 2448475-38-3]
CAS: 2448475-38-3 | SKU: QM-0055823-01 | Size: 10 mg£57.09 GBP -
Tert-Butyl (trans-4- ((4- (2- (2,6-dioxopiperidin-3-yl) -1,3-dioxoisoindolin-5-yl) piperazin-1-yl) methyl) cyclohexyl) carbamate [CAS 3027834-94-9]
CAS: 3027834-94-9 | SKU: QM-0055640 | Size: 1 Each Price on request -
Tapentadol N-Oxide-d5 [CAS 1346603-32-4]
CAS: 1346603-32-4 | SKU: QM-0053650-01 | Size: 1 mg£1,082.75 GBP -
Sodium (S) -2- (hydroxymethyl) propanoate-3,3,3-d3
SKU: QM-0053297 | Size: 1 mg£627.13 GBP -
Sodium 2- (2-hydroxyethoxy) acetate-d4
SKU: QM-0053018-01 | Size: 1 mg£966.11 GBP -
Sodium 2-hydroxypentanedioate-2,3,3-d3
SKU: QM-0052968 | Size: 1 Each Price on request -
Sodium 6-oxo-3,6-dihydropurin-7-ide [CAS 45738-97-4]
CAS: 45738-97-4 | SKU: QM-0052537-01 | Size: 100 mg£51.91 GBP -
Tert-Butyl (S) -5-amino-4- (4-hydroxy-1-oxoisoindolin-2-yl) -5-oxopentanoate [CAS 1560678-51-4]
CAS: 1560678-51-4 | SKU: QM-0052497 | Size: 1 Each Price on request -
Tert-Butyl (6-oxohexyl) carbamate [CAS 80860-42-0]
CAS: 80860-42-0 | SKU: QM-0052488 | Size: 1 Each Price on request -
Tert-Butyl 2,2-dimethyl-5-oxopiperidine-1-carboxylate [CAS 1894533-96-0]
CAS: 1894533-96-0 | SKU: QM-0052001-01 | Size: 100 mg£652.64 GBP -
Tert-butyl 2- (2-hydroxyethyl) -7-azaspiro[3.5]Nonane-7-carboxylate [CAS 1370210-93-7]
CAS: 1370210-93-7 | SKU: QM-0051922 | Size: 1 Each Price on request -
Tert-butyl (4- (hydroxymethyl) benzyl) (methyl) carbamate [CAS 774238-90-3]
CAS: 774238-90-3 | SKU: QM-0051920-01 | Size: 25 mg£51.91 GBP