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Active pharmaceutical ingredient (API) impurities for research

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BrandProduct dataPurityPrice rangeEstimated delivery
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Chlorhexidine diacetate impurity C
REF: 3D-IC19931CAS: 62247-48-7 		Min. 95%To inquireTue 11 Feb 25
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Losartan imidazo[1,5-b]isoquinoline impurity
REF: 3D-IL24943CAS: 165276-38-0 		Min. 95%To inquireTue 11 Feb 25
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Torasemide EP Impurity C
REF: 3D-IT177756CAS: 58155-35-4 		Min. 95%To inquireTue 11 Feb 25
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Deschloro aripiprazole
REF: 3D-ID171124CAS: 203395-81-7 		Min. 95%136.00 €~437.00 €Tue 11 Feb 25
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Sofosbuvir impurity 3
REF: 3D-IS153418CAS: 1337482-15-1 		Min. 95%To inquireTue 11 Feb 25
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(R)-2-Phenylchroman-4-one
REF: 3D-IP63821CAS: 27439-12-9 		Min. 95%To inquireTue 11 Feb 25
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3-(Formylamino)-1H-pyrazole-4-carboxamide
REF: 3D-IF23576CAS: 22407-20-1 		Min. 95%To inquireTue 11 Feb 25
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4-(Acetylamino)-3-bromobenzenesulfonyl chloride
REF: 3D-IA145664CAS: 88963-75-1 		Min. 95%To inquireTue 11 Feb 25
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[4-(4-Amino-7-hydroxy-6-methoxy-2-quinazolinyl)-1-piperazinyl](tetrahydro-2-furanyl)-methanone
REF: 3D-IA63847CAS: 105356-90-9 		Min. 95%To inquireTue 11 Feb 25
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Hydrochlorothiazide impurity C
REF: 3D-IA17850CAS: 402824-96-8 		Min. 95%533.00 €~2,608.00 €Tue 11 Feb 25
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2,12-Dihydro-1,3-dimethyl-8-methoxy-12-thioxobenzo [4,5] pyrido [1,2-c] imidazo [1,2-a] imidazol-2-one
REF: 3D-ID57924CAS: 125656-82-8 		Min. 95%To inquireTue 11 Feb 25
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(S,S)-IsoValganciclovir hydrochloride
REF: 3D-IV180935CAS: 1401562-13-7 		Min. 95%To inquireTue 11 Feb 25
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Cetirizine dihydrochloride impurity C
REF: 3D-IC46027CAS: 83881-59-8 		Min. 95%To inquireTue 11 Feb 25
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Cefixime EP impurity B acetic acid
REF: 3D-IC167643CAS: 1335475-19-8 		Min. 95%To inquireTue 11 Feb 25
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1-Hydroxy-ibuprofen - Mixture of diastereoisomers
REF: 3D-IH31798CAS: 53949-53-4 		Min. 95%To inquireTue 11 Feb 25
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2-[[4-[2-(Cyclopropylmethoxy)ethyl]phenoxy]methyl]oxirane
REF: 3D-IC20741CAS: 63659-17-6 		Min. 95%To inquireTue 11 Feb 25
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5,6-Dehydro-17beta-dutasteride
REF: 3D-ID158892CAS: 1430804-85-5 		Min. 95%348.00 €~2,383.00 €Tue 11 Feb 25
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Cyamemazine sulfoxide
REF: 3D-FC20596CAS: 13384-45-7 		Min. 95%To inquireTue 11 Feb 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 €Tue 11 Feb 25
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Acarbose EP Impurity D
REF: 3D-IA175686CAS: 68128-53-0 		Min. 95%To inquireTue 11 Feb 25
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Chlorhexidine diacetate impurity C
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Chlorhexidine diacetate impurity C

CAS:62247-48-7
Chlorhexidine diacetate impurity C is a crystalline solid with an ionic crystal structure. It belongs …
Formula:
C22H28Cl2N8O2
Purity:
Min. 95%
Molecular weight:
507.42 g/mol

Ref: 3D-IC19931

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25mgTo inquire
Estimated delivery in United States, on Tuesday 11 Feb 2025
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Losartan imidazo[1,5-b]isoquinoline impurity
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Losartan imidazo[1,5-b]isoquinoline impurity

CAS:165276-38-0
Losartan is a drug product that belongs to the class of losartan impurity. It is …
Formula:
C22H21ClN6
Purity:
Min. 95%
Molecular weight:
404.9 g/mol

Ref: 3D-IL24943

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Estimated delivery in United States, on Tuesday 11 Feb 2025
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Torasemide EP Impurity C
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Torasemide EP Impurity C

CAS:58155-35-4
Torasemide EP Impurity C is a drug product that is used as an analytical standard …
Formula:
C15H18N4O3S
Purity:
Min. 95%
Molecular weight:
334.39 g/mol

Ref: 3D-IT177756

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Estimated delivery in United States, on Tuesday 11 Feb 2025
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Deschloro aripiprazole
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Deschloro aripiprazole

CAS:203395-81-7
Deschloro aripiprazole is a drug product that has been analyzed for impurities. It is an …
Formula:
C23H28ClN3O2
Purity:
Min. 95%
Molecular weight:
413.94 g/mol

Ref: 3D-ID171124

5mg136.00 €
10mg138.00 €
25mg194.00 €
50mg310.00 €
100mg437.00 €
Estimated delivery in United States, on Tuesday 11 Feb 2025
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Sofosbuvir impurity 3
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Sofosbuvir impurity 3

CAS:1337482-15-1
Sofosbuvir impurity 3 is a research and development, impurity standard, custom synthesis, drug product, synthetic, …
Formula:
C22H29FN3O9P
Purity:
Min. 95%
Molecular weight:
529.45 g/mol

Ref: 3D-IS153418

100mgTo inquire
Estimated delivery in United States, on Tuesday 11 Feb 2025
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(R)-2-Phenylchroman-4-one
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(R)-2-Phenylchroman-4-one

CAS:27439-12-9
(R)-2-Phenylchroman-4-one is a flavonoid glycoside that has been shown to be metabolized by human liver …
Formula:
C15H12O2
Purity:
Min. 95%
Molecular weight:
224.25 g/mol

Ref: 3D-IP63821

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Estimated delivery in United States, on Tuesday 11 Feb 2025
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3-(Formylamino)-1H-pyrazole-4-carboxamide
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3-(Formylamino)-1H-pyrazole-4-carboxamide

CAS:22407-20-1
This product is an organic compound that has a molecular formula of C6H7N3O2. It is …
Formula:
C5H6N4O2
Purity:
Min. 95%
Color and Shape:
White To Off-White Solid
Molecular weight:
154.13 g/mol

Ref: 3D-IF23576

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Estimated delivery in United States, on Tuesday 11 Feb 2025
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4-(Acetylamino)-3-bromobenzenesulfonyl chloride
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4-(Acetylamino)-3-bromobenzenesulfonyl chloride

CAS:88963-75-1
4-(Acetylamino)-3-bromobenzenesulfonyl chloride is a white crystalline powder that is soluble in water, ethanol and chloroform. …
Formula:
C8H7BrClNO3S
Purity:
Min. 95%
Molecular weight:
312.57 g/mol

Ref: 3D-IA145664

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500mgTo inquire
Estimated delivery in United States, on Tuesday 11 Feb 2025
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[4-(4-Amino-7-hydroxy-6-methoxy-2-quinazolinyl)-1-piperazinyl](tetrahydro-2-furanyl)-methanone
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[4-(4-Amino-7-hydroxy-6-methoxy-2-quinazolinyl)-1-piperazinyl](tetrahydro-2-furanyl)-methanone

CAS:105356-90-9
3-amino-2,6-dimethoxy-4-(4-amino-7-hydroxy-6-methoxyquinazolin-2(1H)-yl)piperazine (DMQA) is a synthetic compound. It is a racemate with two stereoisomers, which are …
Formula:
C18H23N5O4
Purity:
Min. 95%
Molecular weight:
373.41 g/mol

Ref: 3D-IA63847

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Estimated delivery in United States, on Tuesday 11 Feb 2025
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Hydrochlorothiazide impurity C
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Hydrochlorothiazide impurity C

CAS:402824-96-8
Hydrochlorothiazide is a sulfonamide that inhibits the activity of the enzyme, angiotensin-converting enzyme (ACE), which …
Formula:
C15H16Cl2N6O8S4
Purity:
Min. 95%
Color and Shape:
White Powder
Molecular weight:
607.49 g/mol

Ref: 3D-IA17850

5mg740.00 €
10mg1,047.00 €
25mg1,334.00 €
50mg1,739.00 €
100mg2,608.00 €
Estimated delivery in United States, on Tuesday 11 Feb 2025
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2,12-Dihydro-1,3-dimethyl-8-methoxy-12-thioxobenzo [4,5] pyrido [1,2-c] imidazo [1,2-a] imidazol-2…
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2,12-Dihydro-1,3-dimethyl-8-methoxy-12-thioxobenzo [4,5] pyrido [1,2-c] imidazo [1,2-a] imidazol-2-one

CAS:125656-82-8
2,12-Dihydro-1,3-dimethyl-8-methoxy-12-thioxobenzo [4,5] pyrido [1,2-c] imidazo [1,2-a] imidazol-2-one is a metabolite of the drug 2-[2-(4,5,-dihydroimidazo[1,2a]imidazol -2(3H)-yl)ethoxy]-N-(methylsulfonyl)benzamide. …
Formula:
C16H13N3O2S
Purity:
Min. 95%
Molecular weight:
311.36 g/mol

Ref: 3D-ID57924

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Estimated delivery in United States, on Tuesday 11 Feb 2025
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(S,S)-IsoValganciclovir hydrochloride
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(S,S)-IsoValganciclovir hydrochloride

CAS:1401562-13-7
(S,S)-IsoValganciclovir hydrochloride is a drug product with a purity of 99.5% or greater that is …
Formula:
C14H23ClN6O5
Purity:
Min. 95%
Molecular weight:
390.82 g/mol

Ref: 3D-IV180935

10mgTo inquire
Estimated delivery in United States, on Tuesday 11 Feb 2025
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Cetirizine dihydrochloride impurity C
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Cetirizine dihydrochloride impurity C

CAS:83881-59-8
Cetirizine dihydrochloride impurity C is a drug that is metabolized to cetirizine, which is an …
Formula:
C21H27Cl3N2O3
Purity:
Min. 95%
Molecular weight:
461.81 g/mol

Ref: 3D-IC46027

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Estimated delivery in United States, on Tuesday 11 Feb 2025
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Cefixime EP impurity B acetic acid
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Cefixime EP impurity B acetic acid

CAS:1335475-19-8
Cefixime EP impurity B acetic acid is a research and development product. It is an …
Formula:
C17H21N5O8S2
Purity:
Min. 95%
Color and Shape:
Powder
Molecular weight:
487.5 g/mol

Ref: 3D-IC167643

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Estimated delivery in United States, on Tuesday 11 Feb 2025
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1-Hydroxy-ibuprofen - Mixture of diastereoisomers
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1-Hydroxy-ibuprofen - Mixture of diastereoisomers

CAS:53949-53-4
Ibuprofen is a nonsteroidal anti-inflammatory drug that is used to treat arthritis, rheumatoid arthritis, menstrual …
Formula:
C13H18O3
Purity:
Min. 95%
Color and Shape:
White Powder
Molecular weight:
222.28 g/mol

Ref: 3D-IH31798

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Estimated delivery in United States, on Tuesday 11 Feb 2025
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2-[[4-[2-(Cyclopropylmethoxy)ethyl]phenoxy]methyl]oxirane
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2-[[4-[2-(Cyclopropylmethoxy)ethyl]phenoxy]methyl]oxirane

CAS:63659-17-6
2-[4-[2-(Cyclopropylmethoxy)ethyl]phenoxy]methyloxirane is a metabolite of the drug product 2-[[4-[2-(Cyclopropylmethoxy)ethyl]phenoxy]methyl]oxirane. It is an impurity in the …
Formula:
C15H20O3
Purity:
Min. 95%
Molecular weight:
248.32 g/mol

Ref: 3D-IC20741

5mg232.00 €
10mg364.00 €
25mg582.00 €
50mg986.00 €
100mg1,623.00 €
Estimated delivery in United States, on Tuesday 11 Feb 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 Tuesday 11 Feb 2025
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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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Estimated delivery in United States, on Tuesday 11 Feb 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 Tuesday 11 Feb 2025
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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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Estimated delivery in United States, on Tuesday 11 Feb 2025
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