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Active pharmaceutical ingredient (API) impurities for research

All products contained in this category are intended for laboratory use only, and are not meant for human consumption.

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products per page. 3227 products on this category.

BrandProduct dataPurityPrice rangeEstimated delivery
USP logo
Zopiclone R-Isomer CIV ((-)-(5R)-6-(5-Chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-yl 4-methylpiperazine-1-carboxylate)
REF: 45-1729118
CAS: 138680-08-7
- - -1,552.00 €Tue 10 Dec 24
Biosynth logo
Clopidogrel EP Impurity B hydrochloride
REF: 3D-IC183809
CAS: 1396607-35-4
Min. 95%136.00 €~583.00 €Tue 10 Dec 24
Biosynth logo
Dapagliflozin Impurity 26
REF: 3D-ID171682
CAS: 461432-25-7
Min. 95%136.00 €~746.00 €Tue 10 Dec 24
Biosynth logo
Simvastatin dimer impurity
REF: 3D-IS27834
CAS: 476305-24-5
Min. 95 Area-%405.00 €~2,556.00 €Tue 10 Dec 24
Biosynth logo
(R,R)-Montelukast bis-sulfide
REF: 3D-IM111982
CAS: 1187586-61-3
90%Min472.00 €~2,319.00 €Tue 10 Dec 24
Biosynth logo
N-Succinyl-L-tyrosine
REF: 3D-IS27922
CAS: 374816-32-7
Min. 95%213.00 €~1,531.00 €Tue 10 Dec 24
Biosynth logo
Methyl 2-deoxy-D-ribopyranoside
REF: 3D-IM45442
CAS: 863396-35-4
Min. 95%179.00 €~2,892.00 €Tue 10 Dec 24
Biosynth logo
Clindamycin-B2-phosphate
REF: 3D-AC61620
CAS: 54887-31-9
Min. 95%517.00 €~3,710.00 €Tue 10 Dec 24
USP logo
Oxandrolone Related Compound B CIII (17 β-hydroxy-17 α-methyl-4-oxa-5 α-androsta-3-one)
REF: 45-1482025
CAS: 4424-45-7
- - -1,292.00 €Tue 10 Dec 24
USP logo
Hydromorphone Related Compound A CII (7,8-didehydro-4,5α-epoxy-3-hydroxy-17-methylmorphinan-6-one perchlorate)
REF: 45-1323021
CAS: 91265-67-7
- - -1,441.00 €Tue 10 Dec 24
Biosynth logo
5,6-Dimethoxy-2-(4-pyridylmethylene)-1-indanone
REF: 3D-ID22170
CAS: 4803-74-1
Min. 95%172.00 €~802.00 €Tue 10 Dec 24
USP logo
Oxandrolone Related Compound C CIII (17,17-dimethyl-18-nor-2-oxa-5α-androst-13-en-3-one)
REF: 45-1482036
- - -1,357.00 €Tue 10 Dec 24
USP logo
Naloxone Related Compound D CII (4,5α-Epoxy-3,14-dihydroxy-17-(prop-2-enyl)morphinan-7-ene-6-one)
REF: 45-1453049
CAS: 26451-92-3
- - -1,469.00 €Tue 10 Dec 24
USP logo
Diphenoxylate Related Compound A CI (1-(3-Cyano-3,3-diphenylpropyl)-4-phenylpiperidine-4-carboxylic acid)
REF: 45-1219019
CAS: 28782-42-5
- - -931.00 €Tue 10 Dec 24
Biosynth logo
Atorvastatin 3-deoxyhept-2-enoic acid
REF: 3D-FA165520
CAS: 1105067-93-3
Min. 95%138.00 €~647.00 €Tue 10 Dec 24
USP logo
Testosterone Related Compound A CIII (Androst-4-ene-3,17-dione)
REF: 45-1646010
CAS: 63-05-8
- - -1,308.00 €Tue 10 Dec 24
USP logo
Morphine Related Compound A CI (7,8-Didehydro-4,5α-epoxy-17-methylmorphinan-3,6α-diol, N-oxide)
REF: 45-1448016
CAS: 639-46-3
- - -1,371.00 €Tue 10 Dec 24
USP logo
Benzphetamine Related Compound A CIII ((R)-N-Benzyl-N-methyl-1-phenylpropan-2-amine hydrochloride)
REF: 45-1059014
CAS: 28646-36-8
- - -950.00 €Tue 10 Dec 24
Biosynth logo
Pramipexole EP Impurity C
REF: 3D-FP165425
CAS: 1973461-14-1
Min. 95%813.00 €~4,869.00 €Tue 10 Dec 24
Biosynth logo
Chlorthalidone impurity J
REF: 3D-IC171609
CAS: 956-92-3
Min. 95 Area-%104.00 €~865.00 €Tue 10 Dec 24
discount label

Zopiclone R-Isomer CIV ((-)-(5R)-6-(5-Chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-yl 4-methylpiperazine-1-carboxylate)

Controlled Product
Estimated delivery in United States, on Tuesday 10 Dec 2024
discount label

Clopidogrel EP Impurity B hydrochloride


Ref: 3D-IC183809

10mg136.00 €
25mg172.00 €
50mg233.00 €
100mg364.00 €
250mg583.00 €
Estimated delivery in United States, on Tuesday 10 Dec 2024
discount label

Dapagliflozin Impurity 26


Ref: 3D-ID171682

1g136.00 €
2g189.00 €
5g273.00 €
10g384.00 €
25g746.00 €
Estimated delivery in United States, on Tuesday 10 Dec 2024
discount label

Simvastatin dimer impurity


Ref: 3D-IS27834

1mg818.00 €
2mg1,153.00 €
5mg2,556.00 €
250µg405.00 €
500µg574.00 €
Estimated delivery in United States, on Tuesday 10 Dec 2024
discount label

(R,R)-Montelukast bis-sulfide


Ref: 3D-IM111982

1mg472.00 €
2mg647.00 €
5mg986.00 €
10mg1,276.00 €
25mg2,319.00 €
Estimated delivery in United States, on Tuesday 10 Dec 2024
discount label

N-Succinyl-L-tyrosine


Ref: 3D-IS27922

1mg213.00 €
2mg341.00 €
5mg498.00 €
10mg813.00 €
25mg1,531.00 €
Estimated delivery in United States, on Tuesday 10 Dec 2024
discount label

Methyl 2-deoxy-D-ribopyranoside


Ref: 3D-IM45442

5g1,982.00 €
10g2,892.00 €
250mg179.00 €
Estimated delivery in United States, on Tuesday 10 Dec 2024
discount label

Clindamycin-B2-phosphate


Ref: 3D-AC61620

1mg801.00 €
2mg1,160.00 €
5mg2,203.00 €
10mg3,710.00 €
500µg517.00 €
Estimated delivery in United States, on Tuesday 10 Dec 2024
discount label

Oxandrolone Related Compound B CIII (17 β-hydroxy-17 α-methyl-4-oxa-5 α-androsta-3-one)

Controlled Product
Estimated delivery in United States, on Tuesday 10 Dec 2024
discount label

Hydromorphone Related Compound A CII (7,8-didehydro-4,5α-epoxy-3-hydroxy-17-methylmorphinan-6-one perchlorate)

Controlled Product
Estimated delivery in United States, on Tuesday 10 Dec 2024
discount label

5,6-Dimethoxy-2-(4-pyridylmethylene)-1-indanone


Ref: 3D-ID22170

5g172.00 €
10g248.00 €
25g363.00 €
50g518.00 €
100g802.00 €
Estimated delivery in United States, on Tuesday 10 Dec 2024
discount label

Oxandrolone Related Compound C CIII (17,17-dimethyl-18-nor-2-oxa-5α-androst-13-en-3-one)

Controlled Product
Estimated delivery in United States, on Tuesday 10 Dec 2024
discount label

Naloxone Related Compound D CII (4,5α-Epoxy-3,14-dihydroxy-17-(prop-2-enyl)morphinan-7-ene-6-one)

Controlled Product
Estimated delivery in United States, on Tuesday 10 Dec 2024
discount label

Diphenoxylate Related Compound A CI (1-(3-Cyano-3,3-diphenylpropyl)-4-phenylpiperidine-4-carboxylic acid)

Controlled Product
Estimated delivery in United States, on Tuesday 10 Dec 2024
discount label

Atorvastatin 3-deoxyhept-2-enoic acid


Ref: 3D-FA165520

1mg138.00 €
2mg194.00 €
5mg310.00 €
10mg436.00 €
25mg647.00 €
Estimated delivery in United States, on Tuesday 10 Dec 2024
discount label

Testosterone Related Compound A CIII (Androst-4-ene-3,17-dione)

Controlled Product
Estimated delivery in United States, on Tuesday 10 Dec 2024
discount label

Morphine Related Compound A CI (7,8-Didehydro-4,5α-epoxy-17-methylmorphinan-3,6α-diol, N-oxide)

Controlled Product
Estimated delivery in United States, on Tuesday 10 Dec 2024
discount label

Benzphetamine Related Compound A CIII ((R)-N-Benzyl-N-methyl-1-phenylpropan-2-amine hydrochloride)

Controlled Product
Estimated delivery in United States, on Tuesday 10 Dec 2024
discount label

Pramipexole EP Impurity C


Ref: 3D-FP165425

1mg813.00 €
2mg1,276.00 €
5mg2,551.00 €
10mg4,869.00 €
Estimated delivery in United States, on Tuesday 10 Dec 2024
discount label

Chlorthalidone impurity J


Ref: 3D-IC171609

25mg194.00 €
50mg310.00 €
100mg437.00 €
250mg645.00 €
500mg865.00 €
Estimated delivery in United States, on Tuesday 10 Dec 2024
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