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-Ketoglutaric acid (disodium dihydrate) [CAS 1282616-74-3]
CAS: 1282616-74-3 | SKU: QM-0054857-01 | Size: 10 g£52.94 GBP -
δ-Hexachlorocyclohexane-13C6
SKU: QM-0054003 | Size: 1 Each Price on request -
γ-Linolenic acid ethyl ester-d5
SKU: QM-0053803 | Size: 1 Each Price on request -
Zolpidem phenyl-4-carboxylic acid ethyl ester-d6 [CAS 1216455-48-9]
CAS: 1216455-48-9 | SKU: QM-0052819-01 | Size: 1 mg£666.00 GBP -
α-D-Glucopyranoside, 2-chloro-4-nitrophenyl, 2,3,4,6-tetraacetate [CAS 153823-58-6]
CAS: 153823-58-6 | SKU: QM-0052711 | Size: 1 Each Price on request -
α-D-Galactopyranose,2- (acetylamino) -2-deoxy-,1,3,4,6-tetraacetate [CAS 10385-50-9]
CAS: 10385-50-9 | SKU: QM-0052492-01 | Size: 250 mg£51.91 GBP -
β-D-Glucopyranoside,2-bromoethyl,2,3,4,6-tetraacetate [CAS 16977-78-9]
CAS: 16977-78-9 | SKU: QM-0051894-01 | Size: 5 mg£78.82 GBP -
β-D-Glucopyranoside,2-chloro-4-nitrophenyl,2,3,4,6-tetraacetate [CAS 35023-71-3]
CAS: 35023-71-3 | SKU: QM-0051893 | Size: 1 Each Price on request -
β-D-Glucopyranuronic acid, methyl ester,1,2,3,4-tetrakis (2-methylpropanoate) [CAS 150607-94-6]
CAS: 150607-94-6 | SKU: QM-0051820-01 | Size: 5 mg£100.38 GBP -
α-Ketoglutaric acid (disodium hydrate)
SKU: QM-0051622-01 | Size: 500 mg£59.16 GBP -
[ (5-Bromopentyl) oxy] (tert-butyl) dimethylsilane [CAS 85514-43-8]
CAS: 85514-43-8 | SKU: QM-0050460 | Size: 1 Each Price on request -
β-keto Phentermine (hydrochloride) [CAS 6946-08-3]
CAS: 6946-08-3 | SKU: QM-0049152-01 | Size: 1 mg£126.25 GBP -
β-D-Glucopyranosiduronic acid,2-formyl-4-nitrophenyl, methyl ester,2,3,4-triacetate [CAS 148579-83-3]
CAS: 148579-83-3 | SKU: QM-0049027-01 | Size: 250 mg£63.29 GBP -
[1,4-BIs (diphenylphosphino) butane] (1,5-cyclooctadiene) rhodium (I) (tetrafluoroborate) [CAS 79255-71-3]
CAS: 79255-71-3 | SKU: QM-0048054-01 | Size: 100 mg£233.47 GBP -
β-D-Glucopyranose,2- (acetylamino) -2-deoxy,1,3,4,6-tetraacetate [CAS 7772-79-4]
CAS: 7772-79-4 | SKU: QM-0047883-01 | Size: 1 g£51.91 GBP -
[1,4-Bis (diphenylphosphino) butane] (norbornadiene) rhodium (tetrafluoroborate) [CAS 82499-43-2]
CAS: 82499-43-2 | SKU: QM-0047852-01 | Size: 25 mg£464.31 GBP -
α-Mycolic acid, keto cis [CAS 2260795-20-6]
CAS: 2260795-20-6 | SKU: QM-0023392 | Size: 1 Each Price on request -
[R- (Z) ]-4-Amino-3-chloro-2-pen-tenedioicacid [CAS 90288-29-2]
CAS: 90288-29-2 | SKU: QM-0022881 | Size: 1 Each Price on request -
γ-Chloronorvaline [CAS 76265-38-8]
CAS: 76265-38-8 | SKU: QM-0022132 | Size: 1 Each Price on request -
α-N-acetylgalactosidase
SKU: QM-0020910 | Size: 2 KU£129.63 GBP -
β-Ethoxy-α-ketobutyraldehyde [CAS 3688-37-7]
CAS: 3688-37-7 | SKU: QM-0010063 | Size: 1 Each Price on request -
β-D-tetraacetylgalactopyranoside-PEG1-N3 [CAS 153252-36-9]
CAS: 153252-36-9 | SKU: QM-0006319-01 | Size: 100 mg£627.13 GBP -
α-Demethylnaproxen [CAS 23981-47-7]
CAS: 23981-47-7 | SKU: QM-0206023-01 | Size: 5 mg£42.09 GBP -
α-Acetobromo-D-xylose, 95% [CAS 3068-31-3]
CAS: 3068-31-3 | SKU: QM-0203548-01 | Size: 50 mg£65.37 GBP -
α-Methyltyrosine methyl ester (hydrochloride) [CAS 7361-31-1]
CAS: 7361-31-1 | SKU: QM-0201984-01 | Size: 25 mg£51.91 GBP -
γ-Linolenic Acid methyl ester [CAS 16326-32-2]
CAS: 16326-32-2 | SKU: QM-0169340-01 | Size: 50 mg£57.09 GBP -
[ (tert-butoxycarbonyl) amino] (3-chlorophenyl) acetic acid [CAS 669713-92-2]
CAS: 669713-92-2 | SKU: QM-0156918-01 | Size: 5 g£206.74 GBP -
α-1,4-N-Acetylglucosaminyltransferase 4
SKU: QM-0161380-01 | Size: 1 mg Price on request -
α-N-Acetylglucosaminidase
SKU: QM-0161419-01 | Size: 20 µg Price on request -
γ-Linolenic acid ethyl ester [CAS 31450-14-3]
CAS: 31450-14-3 | SKU: QM-0136009-01 | Size: 50 mg£67.44 GBP -
β-Chloro-L-alanine [CAS 2731-73-9]
CAS: 2731-73-9 | SKU: QM-0112466-01 | Size: 100 mg£51.91 GBP -
β-1,3-N-Acetylglucosaminyltransferase 4
SKU: QM-0161381-01 | Size: 20 µg Price on request -
β-N-Acetylhexosaminidase, Streptococcus pneumoniae [CAS 9012-33-3]
CAS: 9012-33-3 | SKU: QM-0192148-01 | Size: 5 U£489.83 GBP -
β-Chloro-D-alanine hydrochloride [CAS 51887-88-8]
CAS: 51887-88-8 | SKU: QM-0186949-01 | Size: 500 mg£89.13 GBP -
β-D-glucuronide-pNP-carbonate [CAS 894095-98-8]
CAS: 894095-98-8 | SKU: QM-0145500-01 | Size: 50 mg£250.47 GBP -
γ-Acetylenic GABA (hydrochloride) [CAS 103451-26-9]
CAS: 103451-26-9 | SKU: QM-0143709-01 | Size: 5 mg£106.00 GBP -
β-N-Acetylhexosaminidase, Porcine kidney [CAS 9012-33-3]
CAS: 9012-33-3 | SKU: QM-0173666 | Size: 50 U£195.80 GBP -
β-Asp-Phe methyl ester [CAS 22839-61-8]
CAS: 22839-61-8 | SKU: QM-0167574 | Size: 1 Each Price on request -
α-D-Glucopyranoside, methyl 4-deoxy-4-fluoro,2,3,6-tribenzoate [CAS 84065-98-5]
CAS: 84065-98-5 | SKU: QM-0167516 | Size: 1 Each Price on request -
β-D-Galactosyl- (1→3) -N-acetyl-D-galactosamine [CAS 3554-90-3]
CAS: 3554-90-3 | SKU: QM-0166583-01 | Size: 1 mg£587.03 GBP -
β-Glucuronide-NB-bis[N (Me) -methyl ester]-MMAE
SKU: QM-0071707 | Size: 1 Each Price on request -
α-Ketoisocaproic acid-d7 [CAS 92751-20-7]
CAS: 92751-20-7 | SKU: QM-0135152 | Size: 1 mg Price on request -
α-D-Galactopyranoside, phenylmethyl (2-acetylamino) -2-deoxy,3,4-diacetate [CAS 55652-76-1]
CAS: 55652-76-1 | SKU: QM-0132786 | Size: 1 Each Price on request -
β-N-Acetyl-D-hexosaminidase-IN-1 [CAS 2760672-89-5]
CAS: 2760672-89-5 | SKU: QM-0063814 | Size: 1 Each Price on request -
β-D-Ribofuranose, 3-deoxy-3-fluoro-, 1,2-diacetate 5- (4-methylbenzoate) [CAS 1884324-98-4]
CAS: 1884324-98-4 | SKU: QM-0071124 | Size: 1 Each Price on request -
[Thr28, Nle31]-Cholecystokinin (25-33), sulfated [CAS 77568-41-3]
CAS: 77568-41-3 | SKU: QM-0131262 | Size: 1 Each Price on request -
[Ru (phen) 2 (xant) ] (hexafluorophosphate)
SKU: QM-0073344 | Size: 1 Each Price on request -
β-D-Glucopyranoside, octyl 2- (acetylamino) -2-deoxy,3,4,6-triacetate [CAS 173725-22-9]
CAS: 173725-22-9 | SKU: QM-0128782-01 | Size: 25 mg£252.91 GBP -
β-Glucuronide-dPBD-PEG5-NH2 (TFA) [CAS 2246364-63-4]
CAS: 2246364-63-4 | SKU: QM-0066351 | Size: 1 Each Price on request -
α-Demethylnaproxen (Standard) [CAS 23981-47-7]
CAS: 23981-47-7 | SKU: QM-0127447-01 | Size: 5 mg£111.63 GBP -
γ-Linolenic Acid methyl ester (Standard) [CAS 16326-32-2]
CAS: 16326-32-2 | SKU: QM-0126963-01 | Size: 10 mg£60.19 GBP -
β-D-Glucopyranosiduronic acid, methyl, methyl ester,2,3,4-triacetate [CAS 34213-34-8]
CAS: 34213-34-8 | SKU: QM-0124646-01 | Size: 1 g£55.02 GBP -
γ-Acetylenic GABA [CAS 57659-38-8]
CAS: 57659-38-8 | SKU: QM-0061764 | Size: 1 Each Price on request -
β-D-Ribofuranoside, methyl, tris (4-chlorobenzoate) [CAS 29755-00-8]
CAS: 29755-00-8 | SKU: QM-0116617-01 | Size: 100 mg£197.01 GBP -
α-D-Glucopyranuronic acid,1-bromo-1-deoxy, methyl ester,2,3,4-tribenzoate [CAS 103674-69-7]
CAS: 103674-69-7 | SKU: QM-0115997-01 | Size: 50 mg£222.53 GBP -
α-Acetyldigoxin [CAS 5511-98-8]
CAS: 5511-98-8 | SKU: QM-0114598-01 | Size: 500 µg£940.60 GBP -
α-Secretase Substrate II, Fluorogenic
SKU: QM-0111515 | Size: 1 Each Price on request -
α-Fluoromethylhistidine (dihydrochloride) [CAS 81839-27-2]
CAS: 81839-27-2 | SKU: QM-0107504-01 | Size: 1 mg£426.65 GBP -
α-Neuraminic acid, N-acetyl-2-O- (4-nitrophenyl) (sodium) [CAS 123549-14-4]
CAS: 123549-14-4 | SKU: QM-0107448-01 | Size: 1 mg£738.90 GBP -
β-Glucuronide-dPBD-PEG5-NH2 [CAS 2246363-68-6]
CAS: 2246363-68-6 | SKU: QM-0066350 | Size: 1 Each Price on request -
Δ8-THC Glucuronide [CAS 62667-60-1]
CAS: 62667-60-1 | SKU: QM-0102947 | Size: 1 Each Price on request -
Δ17-6-keto Prostaglandin F1α [CAS 68324-95-8]
CAS: 68324-95-8 | SKU: QM-0102669-01 | Size: 100 µg£340.38 GBP -
β-D-Glucopyranosyl azide,2- (acetylamino) -2-deoxy,3,4,6-triacetate [CAS 6205-69-2]
CAS: 6205-69-2 | SKU: QM-0099987-01 | Size: 25 mg£134.13 GBP -
β-Secretase Substrate-1, Fluorogenic
SKU: QM-0095846 | Size: 1 Each Price on request -
α-Acetobromoglucose, contains 1% CaCO3 as stabilizer [CAS 572-09-8]
CAS: 572-09-8 | SKU: QM-0074316 | Size: 25 g£57.09 GBP -
β-D-Glucopyranosiduronic acid, 4- (acetylamino) phenyl, methyl ester [CAS 570394-17-1]
CAS: 570394-17-1 | SKU: QM-0080437-01 | Size: 25 mg£135.25 GBP -
α-Secretase Substrate, Fluorogenic
SKU: QM-0080261 | Size: 1 Each Price on request -
Zeranol-d5 (mixture of diastereomers) [CAS 1217532-71-2]
CAS: 1217532-71-2 | SKU: QM-0054483-01 | Size: 1 mg£769.28 GBP -
Valproic acid β-D-glucuronide-d15
SKU: QM-0054385 | Size: 1 Each Price on request -
Tuaminoheptane (sulfate) [CAS 6411-75-2]
CAS: 6411-75-2 | SKU: QM-0053382-01 | Size: 5 mg£94.75 GBP -
Valproic acid β-D-glucuronide-d6-1 [CAS 2188184-02-1]
CAS: 2188184-02-1 | SKU: QM-0052776 | Size: 1 Each Price on request -
Tris (3-chloropropyl) phosphate [CAS 1067-98-7]
CAS: 1067-98-7 | SKU: QM-0052304-01 | Size: 5 mg£118.38 GBP -
Tyrosine ethyl ester [CAS 34081-17-9]
CAS: 34081-17-9 | SKU: QM-0051864 | Size: 1 Each Price on request -
Valproic acid β-D-glucuronide [CAS 60113-83-9]
CAS: 60113-83-9 | SKU: QM-0051809-01 | Size: 500 µg£510.49 GBP -
Urea, N- (aminoiminomethyl) -, sulfate (2:1) (Standard) [CAS 591-01-5]
CAS: 591-01-5 | SKU: QM-0049637 | Size: 1 Each Price on request -
Tris (2,2′-bipyridine) ruthenium (II) hexafluorophosphate [CAS 60804-74-2]
CAS: 60804-74-2 | SKU: QM-0048957 | Size: 1 Each Price on request -
Z-Val-Val-Nle-diazomethylketone [CAS 155026-49-6]
CAS: 155026-49-6 | SKU: QM-0026000-01 | Size: 1 mg£715.82 GBP -
Vanilloylacetyl-CoA [CAS 2459278-18-1]
CAS: 2459278-18-1 | SKU: QM-0019990 | Size: 1 Each Price on request -
Trifluoromethionine-CoA
SKU: QM-0019871 | Size: 1 Each Price on request -
Viomycin (sulfate hydrate)
SKU: QM-0017906 | Size: 1 mg£527.50 GBP -
Trimethidinium (methosulfate) [CAS 14149-43-0]
CAS: 14149-43-0 | SKU: QM-0016336 | Size: 1 Each Price on request -
U-46619 Glycine methyl ester
SKU: QM-0013591 | Size: 1 Each Price on request -
Upamostat hydrogen (sulfate) [CAS 798560-68-6]
CAS: 798560-68-6 | SKU: QM-0008165 | Size: 1 Each Price on request -
Tyramine O-sulfate (sodium) [CAS 2083619-07-0]
CAS: 2083619-07-0 | SKU: QM-0007746-01 | Size: 5 mg£608.90 GBP -
Tyramine O-sulfate [CAS 30223-92-8]
CAS: 30223-92-8 | SKU: QM-0007745 | Size: 1 Each Price on request -
YN14 (mixture of diastereomers) [CAS 3053689-54-3]
CAS: 3053689-54-3 | SKU: QM-0007645 | Size: 1 Each Price on request -
Zidovudine Glucuronide-13C6
SKU: QM-0006480 | Size: 1 Each Price on request -
Ursodeoxycholic acid methyl ester-d5 [CAS 93701-19-0]
CAS: 93701-19-0 | SKU: QM-0005888-01 | Size: 1 mg Price on request -
ZAPA (sulfate) (Standard) [CAS 371962-01-5]
CAS: 371962-01-5 | SKU: QM-0002040 | Size: 1 Each Price on request -
Umbralisib R-enantiomer [CAS 1532533-69-9]
CAS: 1532533-69-9 | SKU: QM-0140669-01 | Size: 1 mg£351.32 GBP -
Z-Phe-Tyr (tBu) -diazomethylketone [CAS 114014-15-2]
CAS: 114014-15-2 | SKU: QM-0146223-01 | Size: 1 mg£67.44 GBP -
Windaus ketone [CAS 55812-80-1]
CAS: 55812-80-1 | SKU: QM-0156543-01 | Size: 5 mg£370.76 GBP -
Zaurategrast ethyl ester [CAS 455264-30-9]
CAS: 455264-30-9 | SKU: QM-0156719-01 | Size: 5 mg£489.83 GBP -
ZAPA (sulfate) [CAS 371962-01-5]
CAS: 371962-01-5 | SKU: QM-0079694-01 | Size: 5 mg£135.25 GBP -
Vincristine (sulfate) [CAS 2068-78-2]
CAS: 2068-78-2 | SKU: QM-0162771-01 | Size: 5 mg£67.44 GBP -
Vindesine (sulfate) [CAS 59917-39-4]
CAS: 59917-39-4 | SKU: QM-0142758-01 | Size: 5 mg£140.88 GBP -
Valsartan methyl ester [CAS 137863-17-3]
CAS: 137863-17-3 | SKU: QM-0169213-01 | Size: 5 mg£129.63 GBP -
Triiodothyronine sulfate [CAS 31135-55-4]
CAS: 31135-55-4 | SKU: QM-0142110-01 | Size: 1 mg£325.81 GBP -
Val-Ala-PABC-Exatecan (trifluoroacetate) [CAS 2928571-45-1]
CAS: 2928571-45-1 | SKU: QM-0149226-01 | Size: 5 mg£351.32 GBP -
Vinblastine (sulfate) [CAS 143-67-9]
CAS: 143-67-9 | SKU: QM-0146088-01 | Size: 5 mg£94.75 GBP -
Trifluoromethyl-tubercidin [CAS 1854086-05-7]
CAS: 1854086-05-7 | SKU: QM-0151876-01 | Size: 5 mg£207.95 GBP -
Z-Phe-Ala-diazomethylketone [CAS 71732-53-1]
CAS: 71732-53-1 | SKU: QM-0205028-01 | Size: 5 mg£118.38 GBP -
Vincristine (sulfate) (Standard) [CAS 2068-78-2]
CAS: 2068-78-2 | SKU: QM-0162772-01 | Size: 5 mg£140.88 GBP -
Vinblastine (sulfate) (Standard) [CAS 143-67-9]
CAS: 143-67-9 | SKU: QM-0146093-01 | Size: 5 mg£238.32 GBP -
VH032-PEG3-acetylene [CAS 2098799-80-3]
CAS: 2098799-80-3 | SKU: QM-0142573-01 | Size: 5 mg£89.13 GBP -
Tris (2-chloroethyl) phosphate [CAS 115-96-8]
CAS: 115-96-8 | SKU: QM-0112789-01 | Size: 5 mg£51.91 GBP -
Zinc sulfate (heptahydrate) [CAS 7446-20-0]
CAS: 7446-20-0 | SKU: QM-0165198-01 | Size: 10 g£78.82 GBP -
Vorapaxar (sulfate) [CAS 705260-08-8]
CAS: 705260-08-8 | SKU: QM-0081036-01 | Size: 5 mg£129.63 GBP -
Troglitazone glucuronide [CAS 127040-01-1]
CAS: 127040-01-1 | SKU: QM-0151787 | Size: 1 Each Price on request -
Undecyl 6-bromohexanoate [CAS 959040-06-3]
CAS: 959040-06-3 | SKU: QM-0202177-01 | Size: 25 mg£100.38 GBP -
Watermelon ketone [CAS 28940-11-6]
CAS: 28940-11-6 | SKU: QM-0201823-01 | Size: 500 mg£57.09 GBP -
Tris (perfluorophenyl) borane [CAS 1109-15-5]
CAS: 1109-15-5 | SKU: QM-0197230-01 | Size: 250 mg£51.91 GBP -
Veledimex (S enantiomer) [CAS 1093131-03-3]
CAS: 1093131-03-3 | SKU: QM-0154154-01 | Size: 5 mg£978.26 GBP -
Valsartan Ethyl Ester [CAS 1111177-30-0]
CAS: 1111177-30-0 | SKU: QM-0145048-01 | Size: 5 mg£111.63 GBP -
Zinquin ethyl ester [CAS 181530-09-6]
CAS: 181530-09-6 | SKU: QM-0141096-01 | Size: 1 mg£212.81 GBP -
Tris (2-chloroethyl) phosphate-d12 [CAS 1276500-47-0]
CAS: 1276500-47-0 | SKU: QM-0112790-01 | Size: 1 mg£351.32 GBP -
Triphenylphosphinechlorogold [CAS 14243-64-2]
CAS: 14243-64-2 | SKU: QM-0185573-01 | Size: 100 mg£71.58 GBP -
Tris (pentafluorophenyl) phosphine [CAS 1259-35-4]
CAS: 1259-35-4 | SKU: QM-0184253-01 | Size: 1 g£78.82 GBP -
Vincristine-d6 (sulfate)
SKU: QM-0162774-01 | Size: 5 mg Price on request -
Vincristine-d3 (sulfate) [CAS 1246817-10-6]
CAS: 1246817-10-6 | SKU: QM-0162773 | Size: 1 mg£1,003.77 GBP