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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Product data	Purity	Price range	Estimated delivery
Remsesivir related compound 11 REF: 3D-IR177112CAS: 1355049-92-1	Min. 95%	To inquire	Tue 17 Dec 24
3-(Formylamino)-1H-pyrazole-4-carboxamide REF: 3D-IF23576CAS: 22407-20-1	Min. 95%	To inquire	Tue 17 Dec 24
Naproxen Impurity C REF: 3D-IN181212CAS: 84236-26-0	Min. 95%	172.00 €~740.00 €	Tue 17 Dec 24
3-(Methylamino)-5,6-dihydro-2H-1,4-thiazin-2-one oxime hydrochloride REF: 3D-IM57861CAS: 112233-23-5	Min. 95%	To inquire	Tue 17 Dec 24
4-(Acetylamino)-3-bromobenzenesulfonyl chloride REF: 3D-IA145664CAS: 88963-75-1	Min. 95%	To inquire	Tue 17 Dec 24
2-Amino-5-[[4-[2-(5-ethyl-2-pyridinyl)ethoxy]phenyl]methyl]-4(5H)-thiazolone REF: 3D-IA27055CAS: 105355-26-8	Min. 95%	To inquire	Tue 17 Dec 24
[4-(4-Amino-7-hydroxy-6-methoxy-2-quinazolinyl)-1-piperazinyl](tetrahydro-2-furanyl)-methanone REF: 3D-IA63847CAS: 105356-90-9	Min. 95%	To inquire	Tue 17 Dec 24
Hydrochlorothiazide impurity C REF: 3D-IA17850CAS: 402824-96-8	Min. 95%	533.00 €~2,608.00 €	Tue 17 Dec 24
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 inquire	Tue 17 Dec 24
Valaciclovir Related Compound E REF: 3D-IV178762CAS: 124832-31-1	Min. 95%	To inquire	Tue 17 Dec 24
(S,S)-IsoValganciclovir hydrochloride REF: 3D-IV180935CAS: 1401562-13-7	Min. 95%	To inquire	Tue 17 Dec 24
Cetirizine dihydrochloride impurity C REF: 3D-IC46027CAS: 83881-59-8	Min. 95%	To inquire	Tue 17 Dec 24
Cefixime EP impurity B acetic acid REF: 3D-IC167643CAS: 1335475-19-8	Min. 95%	To inquire	Tue 17 Dec 24
AMPA receptor modulator-4 REF: TM-T78971CAS: 2917551-59-6	98%	907.00 €~2,337.00 €	Fri 27 Dec 24
SYM 2081 REF: TM-T16963CAS: 31137-74-3	99.59%	94.00 €~2,006.00 €	Fri 27 Dec 24
CFM-2 REF: TM-T10774CAS: 178616-26-7	97.16%	To inquire	Fri 27 Dec 24
TAK-653 REF: TM-T61518CAS: 1358751-06-0	99.18%	41.00 €~564.00 €	Fri 27 Dec 24
TAK-137 REF: TM-T70880CAS: 1358749-55-9	99.27%	266.00 €~2,364.00 €	Fri 27 Dec 24
Dizocilpine REF: TM-T6259CAS: 77086-21-6	99.75% - 99.97%	35.00 €~895.00 €	Fri 27 Dec 24
AMPA receptor antagonist-2 REF: TM-T61068CAS: 732277-05-3	98.21%	113.00 €~1,040.00 €	Fri 27 Dec 24

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Remsesivir related compound 11

CAS:1355049-92-1

Remsesivir related compound 11 is a research and development chemical that is used as an …

Formula:

C₁₅H₂₃Cln₀₄p

Purity:

Min. 95%

Molecular weight:

347.78 g/mol

Ref: 3D-IR177112

1g		To inquire
2g		To inquire
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10g		To inquire

Estimated delivery in United States, on Tuesday 17 Dec 2024

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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

10mg		To inquire
25mg		To inquire
50mg		To inquire
100mg		To inquire
250mg		To inquire

Estimated delivery in United States, on Tuesday 17 Dec 2024

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Naproxen Impurity C

CAS:84236-26-0

Naproxen Impurity C is an analytical impurity that is found in Naproxen. It is a …

Formula:

C₁₄H₁₃BrO₃

Purity:

Min. 95%

Molecular weight:

309.16 g/mol

Ref: 3D-IN181212

10mg		172.00 €
25mg		248.00 €
50mg		363.00 €
100mg		518.00 €
250mg		740.00 €

Estimated delivery in United States, on Tuesday 17 Dec 2024

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3-(Methylamino)-5,6-dihydro-2H-1,4-thiazin-2-one oxime hydrochloride

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3-(Methylamino)-5,6-dihydro-2H-1,4-thiazin-2-one oxime hydrochloride

CAS:112233-23-5

3-(Methylamino)-5,6-dihydro-2H-1,4-thiazin-2-one oxime hydrochloride is an analytical reagent used for HPLC analysis of the impurities in …

Formula:

C₅H₉N₃OS•HCl

Purity:

Min. 95%

Color and Shape:

Powder

Molecular weight:

195.67 g/mol

Ref: 3D-IM57861

5mg		To inquire
10mg		To inquire
25mg		To inquire
50mg		To inquire
100mg		To inquire

Estimated delivery in United States, on Tuesday 17 Dec 2024

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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

1g		To inquire
50mg		To inquire
100mg		To inquire
250mg		To inquire
500mg		To inquire

Estimated delivery in United States, on Tuesday 17 Dec 2024

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2-Amino-5-[[4-[2-(5-ethyl-2-pyridinyl)ethoxy]phenyl]methyl]-4(5H)-thiazolone

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2-Amino-5-[[4-[2-(5-ethyl-2-pyridinyl)ethoxy]phenyl]methyl]-4(5H)-thiazolone

CAS:105355-26-8

2-Amino-5-[4-[2-(5-ethyl-2-pyridinyl)ethoxy]phenyl]-4(5H)-thiazolone is a structural analog of nitrite. The crystal structure of the compound has been …

Formula:

C₁₉H₂₁N₃O₂S

Purity:

Min. 95%

Molecular weight:

355.46 g/mol

Ref: 3D-IA27055

1g		To inquire
2g		To inquire
5g		To inquire
10g		To inquire
25g		To inquire

Estimated delivery in United States, on Tuesday 17 Dec 2024

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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

1mg		To inquire
5mg		To inquire
10mg		To inquire

Estimated delivery in United States, on Tuesday 17 Dec 2024

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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

5mg		740.00 €
10mg		1,047.00 €
25mg		1,334.00 €
50mg		1,739.00 €
100mg		2,608.00 €

Estimated delivery in United States, on Tuesday 17 Dec 2024

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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

5mg		To inquire
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25mg		To inquire

Estimated delivery in United States, on Tuesday 17 Dec 2024

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Valaciclovir Related Compound E

CAS:124832-31-1

Valaciclovir Related Compound E is a white crystalline powder that has an appearance similar to …

Formula:

C₂₁H₂₆N₆O₆

Purity:

Min. 95%

Molecular weight:

458.47 g/mol

Ref: 3D-IV178762

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2g		To inquire
5g		To inquire
10g		To inquire
25g		To inquire

Estimated delivery in United States, on Tuesday 17 Dec 2024

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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

10mg To inquire

Estimated delivery in United States, on Tuesday 17 Dec 2024

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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

5mg		To inquire
10mg		To inquire
25mg		To inquire
50mg		To inquire
100mg		To inquire

Estimated delivery in United States, on Tuesday 17 Dec 2024

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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

1mg		To inquire
2mg		To inquire
5mg		To inquire
10mg		To inquire
25mg		To inquire

Estimated delivery in United States, on Tuesday 17 Dec 2024

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AMPA receptor modulator-4

CAS:2917551-59-6

AMPA Receptor Modulator-4, a 3,4-dihydro-2H-1,2,4-benzothiadiazine 1,1-dioxide (BTD), serves as an orally active positive allosteric modulator …

Formula:

C₁₁H₁₂ClFN₂O₂S

Purity:

98%

Color and Shape:

Solid

Molecular weight:

290.74

Ref: TM-T78971

25mg		1,410.00 €
50mg		1,851.00 €
100mg		2,337.00 €

Estimated delivery in United States, on Friday 27 Dec 2024

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SYM 2081

CAS:31137-74-3

SYM 2081: Kainate receptor agonist, IC50 of 35 nM, depolarizes muscle, lowers EPSP amplitude.

Formula:

C₆H₁₁NO₄

Purity:

99.59%

Color and Shape:

Solid

Molecular weight:

161.16

Ref: TM-T16963

1mg		94.00 €
5mg		199.00 €
10mg		292.00 €
25mg		498.00 €
50mg		716.00 €
100mg		1,003.00 €
500mg		2,006.00 €

Estimated delivery in United States, on Friday 27 Dec 2024

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CFM-2

CAS:178616-26-7

CFM-2, a potent and selective non-competitive antagonist of AMPAR (AMPAR), exhibits anticonvulsant activity across various …

Formula:

C₁₇H₁₇N₃O₃

Purity:

97.16%

Color and Shape:

Solid

Molecular weight:

311.34

Ref: TM-T10774

5mg		58.00 €
10mg		95.00 €
25mg		To inquire
50mg		To inquire
1mL*10mM (DMSO)		64.00 €

Estimated delivery in United States, on Friday 27 Dec 2024

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TAK-653

CAS:1358751-06-0

TAK-653 is a selective AMPA receptor PAM with minimal agonist activity, showing antidepressant-like effects and …

Formula:

C₁₉H₂₃N₃O₃S

Purity:

99.18%

Color and Shape:

Solid

Molecular weight:

373.47

Ref: TM-T61518

2mg		41.00 €
5mg		62.00 €
10mg		88.00 €
25mg		172.00 €
50mg		273.00 €
100mg		397.00 €
200mg		564.00 €

Estimated delivery in United States, on Friday 27 Dec 2024

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TAK-137

CAS:1358749-55-9

TAK-137 is an AMPA receptor enhancer with antidepressant effects. TAK-137 has the ability to improve …

Formula:

C₁₉H₁₆N₂O₃S

Purity:

99.27%

Color and Shape:

Solid

Molecular weight:

352.41

Ref: TM-T70880

1mg		266.00 €
5mg		654.00 €
10mg		894.00 €
25mg		1,437.00 €
50mg		1,872.00 €

Estimated delivery in United States, on Friday 27 Dec 2024

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Dizocilpine

CAS:77086-21-6

MK-801 (Dizocilpine (MK-801)) is a potent N-methyl-D-aspartate (NMDA) receptor antagonist with Ki of 30.5 nM.

Formula:

C₁₆H₁₅N

Purity:

99.75% - 99.97%

Color and Shape:

Solid

Molecular weight:

221.3

Ref: TM-T6259

1mg		35.00 €
5mg		62.00 €
10mg		94.00 €
25mg		148.00 €
50mg		234.00 €
100mg		376.00 €
500mg		895.00 €

Estimated delivery in United States, on Friday 27 Dec 2024

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AMPA receptor antagonist-2

CAS:732277-05-3

AMPA receptor antagonist-2 is an AMPA receptor antagonist.

Formula:

C₁₈H₁₇N₃O₄

Purity:

98.21%

Color and Shape:

Solid

Molecular weight:

339.35

Ref: TM-T61068

1mg		113.00 €
5mg		250.00 €
10mg		367.00 €
25mg		550.00 €
50mg		775.00 €
100mg		1,040.00 €
1mL*10mM (DMSO)		252.00 €

Estimated delivery in United States, on Friday 27 Dec 2024

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