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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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BrandProduct dataPurityPrice rangeEstimated delivery
Biosynth logo
3-Hydroxy mepivacaine
REF: 3D-IH24042CAS: 37055-90-6 		Min. 95%To inquireFri 29 Nov 24
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Bupropion (R)-Isomer
REF: 3D-IB159729CAS: 437723-96-1 		Min. 95%To inquireFri 29 Nov 24
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4'-[(4'Methyl-2'-propyl[2,6'-bi-1H-benzimidazol]-1'-yl)methyl][1,1'-biphenyl]-2-carboxylic acid
REF: 3D-IM21329CAS: 144701-81-5 		Min. 95%To inquireFri 29 Nov 24
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Risperidone N-oxide
REF: 3D-IR27739CAS: 832747-55-4 		Min. 95%213.00 €~1,021.00 €Fri 29 Nov 24
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Azithromycin N-ethyl
REF: 3D-IA137488CAS: 92594-45-1 		Min. 95%To inquireFri 29 Nov 24
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Ethyl (S)-1-phenyl-1,2,3,4-tetrahydro-2-isoquinolinecarboxylate
REF: 3D-IE71486CAS: 180468-42-2 		Min. 95%136.00 €~436.00 €Fri 29 Nov 24
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Clindamycin phosphate EP impurity G
REF: 3D-IC166592		Min. 95%To inquireFri 29 Nov 24
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Di(N-desethyl) amiodarone hydrochloride
REF: 3D-ID21417CAS: 757220-04-5 		Min. 95%To inquireFri 29 Nov 24
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Des(oxopentyl) valsartan benzyl ester
REF: 3D-ID21096CAS: 676129-93-4 		Min. 95%To inquireFri 29 Nov 24
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Erythromycin E
REF: 3D-IE146282CAS: 41451-91-6 		Min. 95%To inquireFri 29 Nov 24
Biosynth logo
1,4-Di-2-furoylpiperazine
REF: 3D-ID63852CAS: 31350-27-3 		Min. 95%To inquireFri 29 Nov 24
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3-[2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-7,8-dihydro-2-methyl-4H-pyrido[1,2-a]pyrimidine-4,9(6H)-dione
REF: 3D-IF24786CAS: 1189516-65-1 		Min. 95%To inquireFri 29 Nov 24
Biosynth logo
Ketorolac tromethamine - Incorrect Polymorph
REF: 3D-IK58066CAS: 74103-07-4 		Min. 95%To inquireFri 29 Nov 24
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Amiodarone EP Impurity G HCL
REF: 3D-IA159523		Min. 95%To inquireFri 29 Nov 24
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Ethosuximide impurity A
REF: 3D-IE171025CAS: 631-31-2 		Min. 95%58.00 €~1,047.00 €Fri 29 Nov 24
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[1,1'-Biphenyl]-2'-(2H-tetrazol-5-yl)-4-carboxylic acid, [1,1'-biphenyl]-(2'-(2H-tetrazol-5-yl)-4-yl)methyl ester
REF: 3D-IB18639CAS: 1159977-10-2 		Min. 95%To inquireFri 29 Nov 24
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Cefotaxime sodium impurity D
REF: 3D-IC63686CAS: 65715-12-0 		Min. 95%To inquireFri 29 Nov 24
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1,1'-[(1-Methylethyl)imino]bis[3-[4-(2-methoxyethyl)phenoxy]-2-propanol
REF: 3D-IM63789CAS: 154784-36-8 		Min. 95%To inquireFri 29 Nov 24
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5'-Epi lamivudine
REF: 3D-NE22708CAS: 139757-68-9 		Min. 95%To inquireFri 29 Nov 24
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N1.9,N1.9-Dimethyldesmopressin
REF: 3D-ID173217		Min. 95%To inquireFri 29 Nov 24
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3-Hydroxy mepivacaine
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3-Hydroxy mepivacaine

CAS:37055-90-6
3-Hydroxy mepivacaine is a drug product that is synthesized in the laboratory for research and …
Formula:
C15H22N2O2
Purity:
Min. 95%
Color and Shape:
Powder
Molecular weight:
262.35 g/mol

Ref: 3D-IH24042

10µgTo inquire
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Estimated delivery in United States, on Friday 29 Nov 2024
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Bupropion (R)-Isomer
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Bupropion (R)-Isomer

Controlled Product
CAS:437723-96-1
Bupropion is a racemic mixture of two enantiomers. The (R)-isomer is the more active form …
Formula:
C13H18ClNO
Purity:
Min. 95%
Molecular weight:
239.74 g/mol

Ref: 3D-IB159729

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Estimated delivery in United States, on Friday 29 Nov 2024
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4'-[(4'Methyl-2'-propyl[2,6'-bi-1H-benzimidazol]-1'-yl)methyl][1,1'-biphenyl]-2-carboxylic acid
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4'-[(4'Methyl-2'-propyl[2,6'-bi-1H-benzimidazol]-1'-yl)methyl][1,1'-biphenyl]-2-carboxylic acid

CAS:144701-81-5
Gatifloxacin is a fluoroquinolone antibiotic that inhibits the DNA gyrase and topoisomerase IV, which are …
Formula:
C32H28N4O2
Purity:
Min. 95%
Molecular weight:
500.59 g/mol

Ref: 3D-IM21329

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Estimated delivery in United States, on Friday 29 Nov 2024
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Risperidone N-oxide
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Risperidone N-oxide

CAS:832747-55-4
Risperidone N-oxide is a prodrug of risperidone. It is prepared by reacting risperidone with methanol …
Formula:
C23H27FN4O3
Purity:
Min. 95%
Molecular weight:
426.48 g/mol

Ref: 3D-IR27739

1mg213.00 €
2mg341.00 €
5mg480.00 €
10mg569.00 €
25mg1,021.00 €
Estimated delivery in United States, on Friday 29 Nov 2024
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Azithromycin N-ethyl
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Azithromycin N-ethyl

CAS:92594-45-1
Azithromycin N-ethyl is a drug development and analytical impurity standard. It is used as an …
Formula:
C39H74N2O12
Purity:
Min. 95%
Molecular weight:
763.01 g/mol

Ref: 3D-IA137488

10mg194.00 €
25mg310.00 €
50mg436.00 €
100mg711.00 €
250mg1,160.00 €
Estimated delivery in United States, on Friday 29 Nov 2024
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Ethyl (S)-1-phenyl-1,2,3,4-tetrahydro-2-isoquinolinecarboxylate
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Ethyl (S)-1-phenyl-1,2,3,4-tetrahydro-2-isoquinolinecarboxylate

CAS:180468-42-2
Ethyl (S)-1-phenyl-1,2,3,4-tetrahydro-2-isoquinolinecarboxylate is an analytical standard used to identify impurities in drug products. It is …
Formula:
C18H19NO2
Purity:
Min. 95%
Molecular weight:
281.35 g/mol

Ref: 3D-IE71486

2mg136.00 €
5mg138.00 €
10mg194.00 €
25mg310.00 €
50mg436.00 €
Estimated delivery in United States, on Friday 29 Nov 2024
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Clindamycin phosphate EP impurity G
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Clindamycin phosphate EP impurity G

Clindamycin phosphate EP impurity G is a metabolite of clindamycin that can be found in …
Formula:
C18H33N2O8PS
Purity:
Min. 95%
Molecular weight:
468.5 g/mol

Ref: 3D-IC166592

10mgTo inquire
Estimated delivery in United States, on Friday 29 Nov 2024
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Di(N-desethyl) amiodarone hydrochloride
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Di(N-desethyl) amiodarone hydrochloride

CAS:757220-04-5
Di(N-desethyl) amiodarone hydrochloride is an impurity of Amiodarone Hydrochloride, which is a drug that is …
Formula:
C21H22ClI2NO3
Purity:
Min. 95%
Molecular weight:
625.67 g/mol

Ref: 3D-ID21417

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Estimated delivery in United States, on Friday 29 Nov 2024
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Des(oxopentyl) valsartan benzyl ester
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Des(oxopentyl) valsartan benzyl ester

CAS:676129-93-4
Des(oxopentyl) Valsartan Benzyl Ester is an analytical standard for the drug valsartan. It is a …
Formula:
C26H27N5O2
Purity:
Min. 95%
Molecular weight:
441.53 g/mol

Ref: 3D-ID21096

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Estimated delivery in United States, on Friday 29 Nov 2024
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Erythromycin E
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Erythromycin E

CAS:41451-91-6
Erythromycin E is a diluent that is used to make erythromycin solutions. It has been …
Formula:
C37H65NO14
Purity:
Min. 95%
Color and Shape:
Off-White Solid
Molecular weight:
747.91 g/mol

Ref: 3D-IE146282

25mgTo inquire
Estimated delivery in United States, on Friday 29 Nov 2024
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1,4-Di-2-furoylpiperazine
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1,4-Di-2-furoylpiperazine

CAS:31350-27-3
1,4-Di-2-furoylpiperazine is a synthetic compound that has been shown to have anti-inflammatory and analgesic properties. …
Formula:
C14H14N2O4
Purity:
Min. 95%
Molecular weight:
274.27 g/mol

Ref: 3D-ID63852

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Estimated delivery in United States, on Friday 29 Nov 2024
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3-[2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-7,8-dihydro-2-methyl-4H-pyrido[1,2-a…
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3-[2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-7,8-dihydro-2-methyl-4H-pyrido[1,2-a]pyrimidine-4,9(6H)-dione

CAS:1189516-65-1
3-[2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-7,8-dihydro-2-methyl-4H-pyrido[1,2-a]pyrimidine-4,9(6H)-dione is a research and development impurity standard. It is a synthetic drug product with …
Formula:
C23H25FN4O3
Purity:
Min. 95%
Molecular weight:
424.47 g/mol

Ref: 3D-IF24786

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Estimated delivery in United States, on Friday 29 Nov 2024
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Ketorolac tromethamine - Incorrect Polymorph
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Ketorolac tromethamine - Incorrect Polymorph

CAS:74103-07-4
Ketorolac tromethamine is a nonsteroidal anti-inflammatory drug (NSAID) that inhibits prostaglandin synthesis. It has been …
Formula:
C15H13NO3·C4H11NO3
Purity:
Min. 95%
Molecular weight:
376.4 g/mol

Ref: 3D-IK58066

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Estimated delivery in United States, on Friday 29 Nov 2024
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Amiodarone EP Impurity G HCL
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Amiodarone EP Impurity G HCL

Amiodarone is a drug product that is used in the treatment of various heart conditions. …
Formula:
C26H31I2NO4·HCl
Purity:
Min. 95%
Molecular weight:
711.8 g/mol

Ref: 3D-IA159523

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Estimated delivery in United States, on Friday 29 Nov 2024
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Ethosuximide impurity A
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Ethosuximide impurity A

CAS:631-31-2
Ethosuximide impurity A is a fluorinated compound that inhibits the enzyme acetylcholinesterase. It has been …
Formula:
C7H12O4
Purity:
Min. 95%
Molecular weight:
160.17 g/mol

Ref: 3D-IE171025

1g1,047.00 €
50mg194.00 €
100mg310.00 €
250mg472.00 €
500mg647.00 €
Estimated delivery in United States, on Friday 29 Nov 2024
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[1,1'-Biphenyl]-2'-(2H-tetrazol-5-yl)-4-carboxylic acid, [1,1'-biphenyl]-(2'-(2H-tetrazol-5-yl)-4-…
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[1,1'-Biphenyl]-2'-(2H-tetrazol-5-yl)-4-carboxylic acid, [1,1'-biphenyl]-(2'-(2H-tetrazol-5-yl)-4-yl)methyl ester

CAS:1159977-10-2
Biphenyl-2'-(2H-tetrazol-5-yl)-4-carboxylic acid, [1,1'-biphenyl]-(2'-(2H-tetrazol-5-yl)-4-yl)methyl ester is a research and development impurity standard. It is a synthetic …
Formula:
C28H20N8O2
Purity:
Min. 95%
Molecular weight:
500.51 g/mol

Ref: 3D-IB18639

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Estimated delivery in United States, on Friday 29 Nov 2024
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Cefotaxime sodium impurity D
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Cefotaxime sodium impurity D

CAS:65715-12-0
Cefotaxime sodium impurity D is a cephalosporin-type antibiotic that is produced by the chemical reaction …
Formula:
C16H16N5O7S2Na
Purity:
Min. 95%
Molecular weight:
477.45 g/mol

Ref: 3D-IC63686

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Estimated delivery in United States, on Friday 29 Nov 2024
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1,1'-[(1-Methylethyl)imino]bis[3-[4-(2-methoxyethyl)phenoxy]-2-propanol
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1,1'-[(1-Methylethyl)imino]bis[3-[4-(2-methoxyethyl)phenoxy]-2-propanol

CAS:154784-36-8
1,1'-[(1-Methylethyl)imino]bis[3-[4-(2-methoxyethyl)phenoxy]-2-propanol] is a synthetic drug product that has been custom synthesized for testing purposes. It …
Formula:
C27H41NO6
Purity:
Min. 95%
Molecular weight:
475.62 g/mol

Ref: 3D-IM63789

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Estimated delivery in United States, on Friday 29 Nov 2024
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5'-Epi lamivudine
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5'-Epi lamivudine

CAS:139757-68-9
Lamivudine epimer
Formula:
C8H11N3O3S
Purity:
Min. 95%
Molecular weight:
229.26 g/mol

Ref: 3D-NE22708

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Estimated delivery in United States, on Friday 29 Nov 2024
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N1.9,N1.9-Dimethyldesmopressin
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N1.9,N1.9-Dimethyldesmopressin

N1.9,N1.9-Dimethyldesmopressin is a synthetic analog of the natural hormone vasopressin. It is used as a …
Purity:
Min. 95%

Ref: 3D-ID173217

100mgTo inquire
Estimated delivery in United States, on Friday 29 Nov 2024
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