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Active pharmaceutical ingredient (API) impurities for research

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BrandProduct dataPurityPrice rangeEstimated delivery
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2-[[(4-Methoxy-3-methyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazole
REF: 3D-IM21228CAS: 102804-77-3 		Min. 95%To inquireMon 13 Jan 25
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5,6-Dehydro-17beta-dutasteride
REF: 3D-ID158892CAS: 1430804-85-5 		Min. 95%348.00 €~2,383.00 €Mon 13 Jan 25
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Enrofloxacin impurity C
REF: 3D-IE167733CAS: 138892-82-7 		Min. 95%To inquireMon 13 Jan 25
Biosynth logo
(2Z)-1-[5,6-Dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-α]pyrazin-7(8H)-yl]-4-(2,4,5-trifluorophenyl)-2-buten-1-one
REF: 3D-ID183167CAS: 1803026-54-1 		Min. 95%To inquireMon 13 Jan 25
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Di-destriazole anastrozole dimer impurity
REF: 3D-ID21754CAS: 918312-71-7 		Min. 95%To inquireMon 13 Jan 25
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Cyamemazine sulfoxide
REF: 3D-FC20596CAS: 13384-45-7 		Min. 95%To inquireMon 13 Jan 25
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Demethylpiperazinyl sildenafil sulfonic acid
REF: 3D-ID166407CAS: 1357931-55-5 		Min. 95%42.00 €~1,393.00 €Mon 13 Jan 25
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4'-[(1,4'-Dimethyl-2'-propyl[2,6'-bi-1H-benzimidazol]-1'-yl)methyl][1,1'-biphenyl]-2-carboxamide
REF: 3D-ID28022CAS: 915124-86-6 		Min. 95%49.00 €~1,160.00 €Mon 13 Jan 25
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Desdifluoromethoxy hydroxy pantoprazole
REF: 3D-ID85350CAS: 1261238-06-5 		Min. 95%To inquireMon 13 Jan 25
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Lincomycin impurity B
REF: 3D-IL171346CAS: 37744-65-3 		Min. 95%To inquireMon 13 Jan 25
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Acarbose EP Impurity D
REF: 3D-IA175686CAS: 68128-53-0 		Min. 95%To inquireMon 13 Jan 25
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Ropivacaine N-Oxide
REF: 3D-FR162189CAS: 1391053-59-0 		Min. 95%To inquireMon 13 Jan 25
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4-Hydroxy-N-2-pyridinyl-2H-1,2-benzothiazine-3-carboxamide-1,1-dioxide
REF: 3D-IH21308CAS: 65897-46-3 		Min. 95%136.00 €~509.00 €Mon 13 Jan 25
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Valdecoxib 3'-sulfonamide
REF: 3D-FV161685CAS: 1373038-56-2 		Min. 95%To inquireMon 13 Jan 25
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2-[(2,6-Dichlorophenyl)amino]benzeneacetic Acid 2-(carboxymethoxy)-2-oxoethyl ester
REF: 3D-ID156912CAS: 1215709-75-3 		Min. 95%To inquireMon 13 Jan 25
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2-Ethoxy-1-[[2'-[1-(trityl)-1H-tetrazol-5-yl][1,1'-biphenyl]-4-yl]methyl]-1H-benzimidazole-4-carboxylic acid methyl ester
REF: 3D-IE22869CAS: 150058-29-0 		Min. 95%To inquireMon 13 Jan 25
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Bortezomib impurity 76
REF: 3D-IB181070CAS: 514820-48-5 		Min. 95%To inquireMon 13 Jan 25
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(4-Carboxy-3-ethoxy)phenyl acetic acid
REF: 3D-IC19752CAS: 220438-80-2 		Min. 95%To inquireMon 13 Jan 25
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Loxoprofen Related Compound 2 - mixture of diastereomers
REF: 3D-FL162229CAS: 1091621-62-3 		Min. 95%To inquireMon 13 Jan 25
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Di(N-desethyl) amiodarone hydrochloride
REF: 3D-ID21417CAS: 757220-04-5 		Min. 95%To inquireMon 13 Jan 25
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2-[[(4-Methoxy-3-methyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazole
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2-[[(4-Methoxy-3-methyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazole

CAS:102804-77-3
2-[(4-Methoxy-3-methyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazole is a synthetic, impurity standard that is used in the synthesis of drug products. …
Formula:
C15H15N3O2S
Purity:
Min. 95%
Molecular weight:
301.36 g/mol

Ref: 3D-IM21228

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Estimated delivery in United States, on Monday 13 Jan 2025
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5,6-Dehydro-17beta-dutasteride
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5,6-Dehydro-17beta-dutasteride

CAS:1430804-85-5
5,6-Dehydro-17beta-dutasteride is a synthetic drug product that is used as an analytical standard for the …
Formula:
C27H28F6N2O2
Purity:
Min. 95%
Molecular weight:
526.51 g/mol

Ref: 3D-ID158892

1mg453.00 €
2mg647.00 €
5mg1,160.00 €
10mg2,087.00 €
500µg348.00 €
Estimated delivery in United States, on Monday 13 Jan 2025
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Enrofloxacin impurity C
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Enrofloxacin impurity C

CAS:138892-82-7
Enrofloxacin impurity C is an impurity of enrofloxacin, a drug product. It is a metabolite …
Formula:
C19H23N3O3
Purity:
Min. 95%
Color and Shape:
Powder
Molecular weight:
341.4 g/mol

Ref: 3D-IE167733

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(2Z)-1-[5,6-Dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-α]pyrazin-7(8H)-yl]-4-(2,4,5-trifluorop…
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(2Z)-1-[5,6-Dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-α]pyrazin-7(8H)-yl]-4-(2,4,5-trifluorophenyl)-2-buten-1-one

CAS:1803026-54-1
Please enquire for more information about (2Z)-1-[5,6-Dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-α]pyrazin-7(8H)-yl]-4-(2,4,5-trifluorophenyl)-2-buten-1-one including the price, delivery time and more detailed …
Formula:
C16H12F6N4O
Purity:
Min. 95%
Molecular weight:
390.28 g/mol

Ref: 3D-ID183167

50mgTo inquire
Estimated delivery in United States, on Monday 13 Jan 2025
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Di-destriazole anastrozole dimer impurity
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Di-destriazole anastrozole dimer impurity

CAS:918312-71-7
Di-destriazole anastrozole dimer impurity is a synthetic impurity that is created during the synthesis of …
Formula:
C26H29N3
Purity:
Min. 95%
Molecular weight:
383.53 g/mol

Ref: 3D-ID21754

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Cyamemazine sulfoxide
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Cyamemazine sulfoxide

CAS:13384-45-7
Cyamemazine sulfoxide is a histamine H1 receptor antagonist. It has been shown to have strong …
Formula:
C19H21N3OS
Purity:
Min. 95%
Molecular weight:
339.46 g/mol

Ref: 3D-FC20596

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Demethylpiperazinyl sildenafil sulfonic acid
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Demethylpiperazinyl sildenafil sulfonic acid

CAS:1357931-55-5
Demethylpiperazinyl Sildenafil Sulfonic Acid is a prodrug of sildenafil, which is an organic compound. It …
Formula:
C17H20N4O5S
Purity:
Min. 95%
Color and Shape:
Powder
Molecular weight:
392.43 g/mol

Ref: 3D-ID166407

10mg179.00 €
25mg336.00 €
50mg453.00 €
100mg711.00 €
250mg1,393.00 €
Estimated delivery in United States, on Monday 13 Jan 2025
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4'-[(1,4'-Dimethyl-2'-propyl[2,6'-bi-1H-benzimidazol]-1'-yl)methyl][1,1'-biphenyl]-2-carboxamide
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4'-[(1,4'-Dimethyl-2'-propyl[2,6'-bi-1H-benzimidazol]-1'-yl)methyl][1,1'-biphenyl]-2-carboxamide

CAS:915124-86-6
Imatinib is a drug substance that belongs to the class of imidazole and phenylpiperidine derivatives. …
Formula:
C33H31N5O
Purity:
Min. 95%
Molecular weight:
513.63 g/mol

Ref: 3D-ID28022

10mg194.00 €
25mg310.00 €
50mg436.00 €
100mg646.00 €
250mg1,160.00 €
Estimated delivery in United States, on Monday 13 Jan 2025
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Desdifluoromethoxy hydroxy pantoprazole
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Desdifluoromethoxy hydroxy pantoprazole

CAS:1261238-06-5
Desdifluoromethoxy hydroxy pantoprazole is a synthetic compound that is used as an impurity standard for …
Formula:
C15H15N3O4S
Purity:
Min. 95%
Molecular weight:
333.36 g/mol

Ref: 3D-ID85350

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Lincomycin impurity B
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Lincomycin impurity B

CAS:37744-65-3
Lincomycin impurity B is a chemical substance which is the result of the metabolism of …
Formula:
C18H32N2O6S
Purity:
Min. 95%
Molecular weight:
404.52 g/mol

Ref: 3D-IL171346

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Acarbose EP Impurity D
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Acarbose EP Impurity D

CAS:68128-53-0
Acarbose EP Impurity D is a polymerase chain reaction (PCR) product that is produced by …
Formula:
C19H33NO13
Purity:
Min. 95%
Molecular weight:
483.46 g/mol

Ref: 3D-IA175686

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Ropivacaine N-Oxide
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Ropivacaine N-Oxide

CAS:1391053-59-0
Ropivacaine N-Oxide is a synthetic drug used to relieve pain during surgery. It is metabolized …
Formula:
C17H26N2O2
Purity:
Min. 95%
Color and Shape:
Solid
Molecular weight:
290.4 g/mol

Ref: 3D-FR162189

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4-Hydroxy-N-2-pyridinyl-2H-1,2-benzothiazine-3-carboxamide-1,1-dioxide
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4-Hydroxy-N-2-pyridinyl-2H-1,2-benzothiazine-3-carboxamide-1,1-dioxide

CAS:65897-46-3
4-Hydroxy-N-2-pyridinyl-2H-1,2-benzothiazine-3-carboxamide-1,1dioxide is a drug product that is used as an analytical reference material. It is …
Formula:
C14H11N3O4S
Purity:
Min. 95%
Molecular weight:
317.32 g/mol

Ref: 3D-IH21308

1mg136.00 €
2mg166.00 €
5mg234.00 €
10mg352.00 €
25mg509.00 €
Estimated delivery in United States, on Monday 13 Jan 2025
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Valdecoxib 3'-sulfonamide
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Valdecoxib 3'-sulfonamide

CAS:1373038-56-2
Valdecoxib 3'-sulfonamide is a synthetic, non-naturally occurring drug product that has been custom synthesized for …
Formula:
C16H14N2O3S
Purity:
Min. 95%
Molecular weight:
314.36 g/mol

Ref: 3D-FV161685

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2-[(2,6-Dichlorophenyl)amino]benzeneacetic Acid 2-(carboxymethoxy)-2-oxoethyl ester
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2-[(2,6-Dichlorophenyl)amino]benzeneacetic Acid 2-(carboxymethoxy)-2-oxoethyl ester

CAS:1215709-75-3
2-[(2,6-Dichlorophenyl)amino]benzeneacetic Acid 2-(carboxymethoxy)-2-oxoethyl ester is a drug product that belongs to the class of Custom …
Formula:
C18H15Cl2NO6
Purity:
Min. 95%
Molecular weight:
412.22 g/mol

Ref: 3D-ID156912

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2-Ethoxy-1-[[2'-[1-(trityl)-1H-tetrazol-5-yl][1,1'-biphenyl]-4-yl]methyl]-1H-benzimidazole-4-carbo…
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2-Ethoxy-1-[[2'-[1-(trityl)-1H-tetrazol-5-yl][1,1'-biphenyl]-4-yl]methyl]-1H-benzimidazole-4-carboxylic acid methyl ester

CAS:150058-29-0
2-Ethoxy-1-[2'-[1-(trityl)-1H-tetrazol-5-yl][1,1'-biphenyl]-4-yl]methyl]-1H-benzimidazole-4-carboxylic acid methyl ester is an impurity in the drug product, which is a synthetic …
Formula:
C44H36N6O3
Purity:
Min. 95%
Molecular weight:
696.8 g/mol

Ref: 3D-IE22869

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Bortezomib impurity 76
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Bortezomib impurity 76

CAS:514820-48-5
Bortezomib impurity 76 is an analytical reference material that is used in the development and …
Formula:
C21H44BNO2Si2
Purity:
Min. 95%
Color and Shape:
Powder
Molecular weight:
409.56 g/mol

Ref: 3D-IB181070

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(4-Carboxy-3-ethoxy)phenyl acetic acid
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(4-Carboxy-3-ethoxy)phenyl acetic acid

CAS:220438-80-2
4-Carboxy-3-ethoxy)phenyl acetic acid (CPAE) is a fluorescent compound that has been shown to have antidiabetic …
Formula:
C11H12O5
Purity:
Min. 95%
Molecular weight:
224.21 g/mol

Ref: 3D-IC19752

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Loxoprofen Related Compound 2 - mixture of diastereomers
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Loxoprofen Related Compound 2 - mixture of diastereomers

CAS:1091621-62-3
Loxoprofen Related Compound 2 is a mixture of diastereomers that is an impurity in the …
Formula:
C15H18O4
Purity:
Min. 95%
Molecular weight:
262.3 g/mol

Ref: 3D-FL162229

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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 Monday 13 Jan 2025
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