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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S-2- (Indol-3-yl) acetyl-CoA
SKU: QM-0019818 | Size: 1 Each Price on request -
S- (Chloroacetate) -CoA [CAS 34201-15-5]
CAS: 34201-15-5 | SKU: QM-0019804 | Size: 1 Each Price on request -
S- (3-Chloropropanoate-CoA [CAS 96212-36-1]
CAS: 96212-36-1 | SKU: QM-0019791 | Size: 1 Each Price on request -
S- (+) -Ketoprofen-d3 [CAS 2747914-77-6]
CAS: 2747914-77-6 | SKU: QM-0018452 | Size: 1 Each Price on request -
Ramiprilat-d3 (Mixture of Diastereomers) [CAS 1356933-70-4]
CAS: 1356933-70-4 | SKU: QM-0017897-01 | Size: 1 mg Price on request -
Rel- (2R,3S,4R,5S) -3- (3-Chloro-2-fluorophenyl) -4- (4-chloro-2-fluorophenyl) -4-cyano-5- (2,2-dimethylpropyl) pyrrolidine-2-carboxylic acid tert-butyl ester [CAS 1219086-88-0]
CAS: 1219086-88-0 | SKU: QM-0017793-01 | Size: 25 mgRegular price £545.72 GBPRegular priceSale price £545.72 GBP -
Rp-2'-Deoxy-2'-fluoroadenosine-5'-O- (1-thiotriphosphate) (sodium)
SKU: QM-0012869 | Size: 1 Each Price on request -
Resolvin D3 methyl ester
SKU: QM-0010809 | Size: 1 Each Price on request -
Rimegepant (hemisulfate) [CAS 1642783-82-1]
CAS: 1642783-82-1 | SKU: QM-0007628 | Size: 1 Each Price on request -
Rimegepant (sulfate hydrate) [CAS 1374024-48-2]
CAS: 1374024-48-2 | SKU: QM-0007627-01 | Size: 5 mgRegular price £200.66 GBPRegular priceSale price £200.66 GBP -
S- (5’-Adenosyl) -L-methionine-d3 (disulfate)
SKU: QM-0007038-01 | Size: 1 mg Price on request -
S-Acetyl-PEG8-Boc [CAS 2764688-16-4]
CAS: 2764688-16-4 | SKU: QM-0006880 | Size: 1 Each Price on request -
S-Acetyl-PEG12-Boc
SKU: QM-0006879 | Size: 1 Each Price on request -
S-Acetyl-PEG7-Boc
SKU: QM-0006878 | Size: 1 Each Price on request -
Resorufin β-D-glucuronide (sodium) [CAS 125440-91-7]
CAS: 125440-91-7 | SKU: QM-0006563 | Size: 1 Each Price on request -
Ristomycin (sulfate) (Standard) [CAS 11140-99-1]
CAS: 11140-99-1 | SKU: QM-0005705 | Size: 1 Each Price on request -
S 3578 (sulfate) [CAS 474949-70-7]
CAS: 474949-70-7 | SKU: QM-0002904 | Size: 1 Each Price on request -
S65487 (sulfate) [CAS 2416937-01-2]
CAS: 2416937-01-2 | SKU: QM-0075861-01 | Size: 5 mgRegular price £577.31 GBPRegular priceSale price £577.31 GBP -
Rapastinel (Trifluoroacetate) [CAS 1435786-04-1]
CAS: 1435786-04-1 | SKU: QM-0154063-01 | Size: 5 mgRegular price £135.25 GBPRegular priceSale price £135.25 GBP -
S- (+) -Ketoprofen [CAS 22161-81-5]
CAS: 22161-81-5 | SKU: QM-0160374-01 | Size: 100 mgRegular price £57.09 GBPRegular priceSale price £57.09 GBP -
S-Nitroso-N-acetyl-DL-penicillamine [CAS 67776-06-1]
CAS: 67776-06-1 | SKU: QM-0140284-01 | Size: 5 mgRegular price £59.16 GBPRegular priceSale price £59.16 GBP -
SAHA chloroalkane T1 [CAS 1613617-05-2]
CAS: 1613617-05-2 | SKU: QM-0137144-01 | Size: 5 mgRegular price £275.99 GBPRegular priceSale price £275.99 GBP -
RGD (Trifluoroacetate) [CAS 2378808-45-6]
CAS: 2378808-45-6 | SKU: QM-0204753-01 | Size: 5 mgRegular price £106.00 GBPRegular priceSale price £106.00 GBP -
Ruxolitinib (S enantiomer) [CAS 941685-37-6]
CAS: 941685-37-6 | SKU: QM-0156476-01 | Size: 5 mgRegular price £108.25 GBPRegular priceSale price £108.25 GBP -
Raspberry ketone (Standard) [CAS 5471-51-2]
CAS: 5471-51-2 | SKU: QM-0164289-01 | Size: 10 mgRegular price £51.91 GBPRegular priceSale price £51.91 GBP -
S-Adenosyl-L-methionine (disulfate tosylate) [CAS 97540-22-2]
CAS: 97540-22-2 | SKU: QM-0204201-01 | Size: 100 mgRegular price £118.38 GBPRegular priceSale price £118.38 GBP -
Salbutamol (hemisulfate) (Standard) [CAS 51022-70-9]
CAS: 51022-70-9 | SKU: QM-0075404-01 | Size: 10 mgRegular price £63.29 GBPRegular priceSale price £63.29 GBP -
Ribostamycin (sulfate) [CAS 53797-35-6]
CAS: 53797-35-6 | SKU: QM-0159541-01 | Size: 10 mgRegular price £51.91 GBPRegular priceSale price £51.91 GBP -
S-acetyl-PEG2-Boc [CAS 1820641-93-7]
CAS: 1820641-93-7 | SKU: QM-0147430-01 | Size: 100 mgRegular price £53.98 GBPRegular priceSale price £53.98 GBP -
S-acetyl-PEG4-Boc [CAS 1818294-26-6]
CAS: 1818294-26-6 | SKU: QM-0076269-01 | Size: 100 mgRegular price £72.61 GBPRegular priceSale price £72.61 GBP -
S-acetyl-PEG4-amine (TFA)
SKU: QM-0146427-01 | Size: 5 mgRegular price £67.44 GBPRegular priceSale price £67.44 GBP -
S-acetyl-PEG4-propargyl [CAS 1422540-88-2]
CAS: 1422540-88-2 | SKU: QM-0147432-01 | Size: 50 mgRegular price £226.18 GBPRegular priceSale price £226.18 GBP -
Ramiprilat-d5 (Mixture of Diastereomers) [CAS 1356837-92-7]
CAS: 1356837-92-7 | SKU: QM-0144126-01 | Size: 10 mg Price on request -
Rel-4 (5) -Epdpe methyl ester [CAS 121818-29-9]
CAS: 121818-29-9 | SKU: QM-0152411-01 | Size: 25 µgRegular price £218.88 GBPRegular priceSale price £218.88 GBP -
Salbutamol (hemisulfate) [CAS 51022-70-9]
CAS: 51022-70-9 | SKU: QM-0158325-01 | Size: 100 mgRegular price £78.82 GBPRegular priceSale price £78.82 GBP -
S-acetyl-PEG4-alcohol [CAS 223611-42-5]
CAS: 223611-42-5 | SKU: QM-0076021-01 | Size: 100 mgRegular price £57.09 GBPRegular priceSale price £57.09 GBP -
Retinoic acid ethyl ester-d5 [CAS 78995-96-7]
CAS: 78995-96-7 | SKU: QM-0147619-01 | Size: 1 mgRegular price £727.97 GBPRegular priceSale price £727.97 GBP -
Ribocil-C (R enantiomer) [CAS 2177266-81-6]
CAS: 2177266-81-6 | SKU: QM-0155343-01 | Size: 5 mgRegular price £878.63 GBPRegular priceSale price £878.63 GBP -
Resveratrol-3-O-beta-D-glucuronide-13C6
SKU: QM-0146138-01 | Size: 5 mg Price on request -
Resveratrol 3-sulfate-d4 (triethylamine)
SKU: QM-0148176-01 | Size: 5 mg Price on request -
S-Methylisothiourea (sulfate) [CAS 867-44-7]
CAS: 867-44-7 | SKU: QM-0157030-01 | Size: 25 mgRegular price £51.91 GBPRegular priceSale price £51.91 GBP -
Retigabine N-β-D-glucuronide-d4
SKU: QM-0147755-01 | Size: 5 mg Price on request -
Ristomycin (sulfate) [CAS 11140-99-1]
CAS: 11140-99-1 | SKU: QM-0143569 | Size: 100 mgRegular price £1,908.95 GBPRegular priceSale price £1,908.95 GBP -
S- (1,2-Dichlorovinyl) glutathione-13C2,15N
SKU: QM-0148171-01 | Size: 1 mg Price on request -
Raspberry ketone [CAS 5471-51-2]
CAS: 5471-51-2 | SKU: QM-0164288-01 | Size: 10 gRegular price £51.91 GBPRegular priceSale price £51.91 GBP -
RuBi-Glutamate (hexafluorophosphate sodium) [CAS 2417096-44-5]
CAS: 2417096-44-5 | SKU: QM-0143745-01 | Size: 5 mgRegular price £602.83 GBPRegular priceSale price £602.83 GBP -
Resveratrol 3,5-diglucuronide-d4
SKU: QM-0148177-01 | Size: 1 mg Price on request -
Raloxifene 6-glucuronide-d4 (lithium)
SKU: QM-0145118-01 | Size: 1 mg Price on request -
Ristocetin A (sulfate) [CAS 90831-71-3]
CAS: 90831-71-3 | SKU: QM-0146172-01 | Size: 5 mgRegular price £537.21 GBPRegular priceSale price £537.21 GBP -
Raspberry ketone glucoside [CAS 38963-94-9]
CAS: 38963-94-9 | SKU: QM-0165884-01 | Size: 100 mgRegular price £78.82 GBPRegular priceSale price £78.82 GBP -
Raloxifene 6-glucuronide [CAS 174264-50-7]
CAS: 174264-50-7 | SKU: QM-0062726 | Size: 1 mgRegular price £1,143.50 GBPRegular priceSale price £1,143.50 GBP -
Resolvin D2 methyl ester [CAS 810668-53-2]
CAS: 810668-53-2 | SKU: QM-0167305-01 | Size: 10 µgRegular price £472.82 GBPRegular priceSale price £472.82 GBP -
S- (+) -Ketoprofen (Standard) [CAS 22161-81-5]
CAS: 22161-81-5 | SKU: QM-0160375-01 | Size: 10 mgRegular price £57.09 GBPRegular priceSale price £57.09 GBP -
S-acetyl-PEG5-alcohol [CAS 1000415-61-1]
CAS: 1000415-61-1 | SKU: QM-0063549 | Size: 1 Each Price on request -
Raloxifene 6,4'-Bis-β-D-glucuronide [CAS 182507-20-6]
CAS: 182507-20-6 | SKU: QM-0062731 | Size: 1 mgRegular price £1,546.88 GBPRegular priceSale price £1,546.88 GBP -
S-Acetylglutathione [CAS 3054-47-5]
CAS: 3054-47-5 | SKU: QM-0135726-01 | Size: 5 gRegular price £51.91 GBPRegular priceSale price £51.91 GBP -
S-Acetyl-PEG3-C2-acid [CAS 1421933-33-6]
CAS: 1421933-33-6 | SKU: QM-0064780-01 | Size: 5 mgRegular price £135.25 GBPRegular priceSale price £135.25 GBP -
S-Nitroso-N-acetylcysteine [CAS 56577-02-7]
CAS: 56577-02-7 | SKU: QM-0123857 | Size: 1 Each Price on request -
Rhein 8-β-D-glucuronide [CAS 70793-10-1]
CAS: 70793-10-1 | SKU: QM-0119499 | Size: 1 Each Price on request -
S-acetyl-PEG3-phosphonic acid ethyl ester [CAS 2173125-29-4]
CAS: 2173125-29-4 | SKU: QM-0064759 | Size: 1 Each Price on request -
S-acetyl-PEG20-alcohol
SKU: QM-0064777 | Size: 1 Each Price on request -
Ruxolitinib (sulfate) [CAS 1092939-16-6]
CAS: 1092939-16-6 | SKU: QM-0000732 | Size: 1 Each Price on request -
S-acetyl-PEG12-alcohol
SKU: QM-0064775 | Size: 1 Each Price on request -
S-acetyl-PEG6-Boc [CAS 1818294-39-1]
CAS: 1818294-39-1 | SKU: QM-0064779 | Size: 1 Each Price on request -
Resveratrol-3-O-sulfate (sodium) [CAS 858127-11-4]
CAS: 858127-11-4 | SKU: QM-0063260 | Size: 1 mgRegular price £938.16 GBPRegular priceSale price £938.16 GBP -
S-acetyl-PEG3-Boc [CAS 1818294-27-7]
CAS: 1818294-27-7 | SKU: QM-0064778 | Size: 1 Each Price on request -
Ru (bpy) 2 (dcbpy) NHS (dihexafluorophosphate) [CAS 160525-49-5]
CAS: 160525-49-5 | SKU: QM-0067205 | Size: 1 Each Price on request -
Ramiprilat diketopiperazine [CAS 108736-10-3]
CAS: 108736-10-3 | SKU: QM-0105931-01 | Size: 1 mgRegular price £622.26 GBPRegular priceSale price £622.26 GBP -
S-tram, tram-Farnesylated cysteine methyl ester [CAS 125741-64-2]
CAS: 125741-64-2 | SKU: QM-0059932 | Size: 1 Each Price on request -
RO27-3225 (trifluoroacetate) [CAS 1373926-49-8]
CAS: 1373926-49-8 | SKU: QM-0113441 | Size: Inquire Price on request -
S-acetyl-PEG6 [CAS 1352221-63-6]
CAS: 1352221-63-6 | SKU: QM-0103231-01 | Size: 5 mgRegular price £63.29 GBPRegular priceSale price £63.29 GBP -
S-acetyl-PEG4-NHBoc [CAS 1404111-70-1]
CAS: 1404111-70-1 | SKU: QM-0063551 | Size: 1 Each Price on request -
Salmine sulfate [CAS 53597-25-4]
CAS: 53597-25-4 | SKU: QM-0101358 | Size: 1 Each Price on request -
S-acetyl-PEG16-alcohol
SKU: QM-0064776 | Size: 1 Each Price on request -
S-Benzyl-L-cysteine ethyl ester (hydrochloride) [CAS 52844-67-4]
CAS: 52844-67-4 | SKU: QM-0099205 | Size: 1 Each Price on request -
Rel-6-Deoxy-6-fluoroglucopyranose [CAS 447-25-6]
CAS: 447-25-6 | SKU: QM-0096992 | Size: 10 mgRegular price £324.59 GBPRegular priceSale price £324.59 GBP -
S-Acetyl-PEG3-azide [CAS 1310827-26-9]
CAS: 1310827-26-9 | SKU: QM-0064484 | Size: 1 Each Price on request -
S-acetyl-PEG3-alcohol [CAS 153870-20-3]
CAS: 153870-20-3 | SKU: QM-0064774-01 | Size: 5 mgRegular price £104.88 GBPRegular priceSale price £104.88 GBP -
S-acetyl-PEG4-amine [CAS 1404111-71-2]
CAS: 1404111-71-2 | SKU: QM-0063550 | Size: 1 Each Price on request -
Resolvin D1 methyl ester [CAS 937738-63-1]
CAS: 937738-63-1 | SKU: QM-0061021 | Size: 10 µgRegular price £501.98 GBPRegular priceSale price £501.98 GBP -
S-acetyl-PEG6-Tos [CAS 1818294-25-5]
CAS: 1818294-25-5 | SKU: QM-0062262 | Size: 1 Each Price on request -
S-acetyl-PEG4-Thiol
SKU: QM-0063553 | Size: 1 Each Price on request -
RSV604 (R enantiomer) [CAS 932108-20-8]
CAS: 932108-20-8 | SKU: QM-0000434 | Size: 1 Each Price on request -
Raloxifene dimethyl ester (hydrochloride) [CAS 84449-82-1]
CAS: 84449-82-1 | SKU: QM-0062738 | Size: 1 Each Price on request -
RIPK1-IN-18 (sulfate hydrate) [CAS 2897618-64-1]
CAS: 2897618-64-1 | SKU: QM-0073178 | Size: 1 Each Price on request -
Refametinib (R enantiomer) [CAS 923032-38-6]
CAS: 923032-38-6 | SKU: QM-0000220 | Size: 1 mgRegular price £290.57 GBPRegular priceSale price £290.57 GBP -
S-Acetyl-PEG8-OH [CAS 1334177-81-9]
CAS: 1334177-81-9 | SKU: QM-0061391 | Size: 1 Each Price on request -
Potassium (3-bromopropyl) trifluoroborate [CAS 1262538-15-7]
CAS: 1262538-15-7 | SKU: QM-0054856 | Size: 1 Each Price on request -
Quercetin 7-glucuronide (Standard) [CAS 38934-20-2]
CAS: 38934-20-2 | SKU: QM-0054582 | Size: 1 Each Price on request -
Rac N-Acetyl Ephedrine-d3 [CAS 1346604-10-1]
CAS: 1346604-10-1 | SKU: QM-0054573-01 | Size: 2.5 mgRegular price £567.59 GBPRegular priceSale price £567.59 GBP -
Rac-1-Palmitoyl-2-linoleoyl-3-chloropropanediol-d5 [CAS 1246833-66-8]
CAS: 1246833-66-8 | SKU: QM-0054536-01 | Size: 2.5 mgRegular price £706.10 GBPRegular priceSale price £706.10 GBP -
Rac 1-Palmitoyl-2-chloropropanediol-d5
SKU: QM-0054310 | Size: 1 Each Price on request -
Rac-1-Linoleoyl-2-chloropropanediol-d5 [CAS 2734919-87-8]
CAS: 2734919-87-8 | SKU: QM-0054309 | Size: 1 Each Price on request -
Pravastatin-d9 Sodium (mixture of 2 diastereomers) [CAS 2508174-25-0]
CAS: 2508174-25-0 | SKU: QM-0053778 | Size: 1 Each Price on request -
Rac Erythro Dihydrobupropion Beta-D-Glucuronide-d9
SKU: QM-0053000 | Size: 1 Each Price on request -
Rac 1-Palmitoyl-2-chloropropanediol [CAS 63326-63-6]
CAS: 63326-63-6 | SKU: QM-0052879-01 | Size: 5 mgRegular price £446.09 GBPRegular priceSale price £446.09 GBP -
Propofol Glucuronide-d17 Methyl Ester
SKU: QM-0052825 | Size: 1 Each Price on request -
Rac 1,2-Bis-palmitoyl-3-chloropropanediol-13C3
SKU: QM-0052566 | Size: 1 mgRegular price £1,158.08 GBPRegular priceSale price £1,158.08 GBP -
Platinum, dichloro (1,2-cyclohexanediamine-n, n') -, [sp-4-2- (1r-trans) ]- (Standard) [CAS 61848-66-6]
CAS: 61848-66-6 | SKU: QM-0051861 | Size: 1 Each Price on request -
Potassium tetrakis (4-chlorophenyl) borate [CAS 14680-77-4]
CAS: 14680-77-4 | SKU: QM-0051488-01 | Size: 25 mgRegular price £55.02 GBPRegular priceSale price £55.02 GBP -
Potassium (2-benzyloxyethyl) trifluoroborate [CAS 1408168-73-9]
CAS: 1408168-73-9 | SKU: QM-0051135 | Size: 1 Each Price on request -
Potassium (2- ((tert-butoxycarbonyl) amino) ethyl) trifluoroborate [CAS 926280-83-3]
CAS: 926280-83-3 | SKU: QM-0049688 | Size: 1 Each Price on request -
Potassium 1H-indol-3-yl sulfate (Standard) [CAS 2642-37-7]
CAS: 2642-37-7 | SKU: QM-0048182 | Size: 1 Each Price on request -
Pramiracetam (sulfate) [CAS 72869-16-0]
CAS: 72869-16-0 | SKU: QM-0047461 | Size: 1 Each Price on request -
Quercetin 3-O-β-D-glucuronide 6"-ethyl ester [CAS 93753-28-7]
CAS: 93753-28-7 | SKU: QM-0024136 | Size: 1 Each Price on request -
Polymyxin B2 (Sulfate) [CAS 108965-69-1]
CAS: 108965-69-1 | SKU: QM-0017935 | Size: 1 Each Price on request -
Prostaglandin A2 ethyl ester
SKU: QM-0010982 | Size: 1 Each Price on request -
Posaconazole D-glucuronide
SKU: QM-0010751 | Size: 1 Each Price on request -
Propofol sulfate (sodium) [CAS 2748343-63-5]
CAS: 2748343-63-5 | SKU: QM-0010735 | Size: 1 Each Price on request -
Plazomicin (sulfate) [CAS 1380078-95-4]
CAS: 1380078-95-4 | SKU: QM-0008898-01 | Size: 5 mgRegular price £426.65 GBPRegular priceSale price £426.65 GBP -
Pregnenolone monosulfate (sodium) (Standard) [CAS 1852-38-6]
CAS: 1852-38-6 | SKU: QM-0003600-01 | Size: 5 mgRegular price £226.18 GBPRegular priceSale price £226.18 GBP -
Poly (tetrafluoroethylene) [CAS 9002-84-0]
CAS: 9002-84-0 | SKU: QM-0003554-01 | Size: 5 gRegular price £51.91 GBPRegular priceSale price £51.91 GBP -
PMX 205 (Trifluoroacetate)
SKU: QM-0136709-01 | Size: 1 mgRegular price £111.63 GBPRegular priceSale price £111.63 GBP -
Pregnanolone sulfate (pyridinium) [CAS 124107-39-7]
CAS: 124107-39-7 | SKU: QM-0205918-01 | Size: 5 mgRegular price £226.18 GBPRegular priceSale price £226.18 GBP -
Piketoprofen [CAS 60576-13-8]
CAS: 60576-13-8 | SKU: QM-0112953-01 | Size: 5 mgRegular price £66.40 GBPRegular priceSale price £66.40 GBP -
Propofol β-D-glucuronide [CAS 114991-26-3]
CAS: 114991-26-3 | SKU: QM-0139464-01 | Size: 500 µgRegular price £75.72 GBPRegular priceSale price £75.72 GBP -
Potassium 1H-indol-3-yl sulfate [CAS 2642-37-7]
CAS: 2642-37-7 | SKU: QM-0204985-01 | Size: 5 mgRegular price £51.91 GBPRegular priceSale price £51.91 GBP -
Pregnenolone monosulfate (sodium) [CAS 1852-38-6]
CAS: 1852-38-6 | SKU: QM-0136748-01 | Size: 10 mgRegular price £51.91 GBPRegular priceSale price £51.91 GBP -
Polyketomycin [CAS 200625-47-4]
CAS: 200625-47-4 | SKU: QM-0112150-01 | Size: 1 mg Price on request -
PNU-282987 (S enantiomer free base) [CAS 737727-12-7]
CAS: 737727-12-7 | SKU: QM-0075465-01 | Size: 1 mgRegular price £301.50 GBPRegular priceSale price £301.50 GBP