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
D-Glucose 6-Phosphate Disodium Salt Hydrate REF: TR-G596805CAS: 3671-99-6	- - -	245.00 €~1,639.00 €	Tue 29 Oct 24
Amoxicillin Dimer tri-Sodium Salt (penicilloic acid form)(Mixture of Diastereomers) REF: TR-A634520CAS: 210289-72-8	- - -	288.00 €~3,915.00 €	Tue 29 Oct 24
Digoxigenin Monodigitoxoside REF: TR-D446505CAS: 5352-63-6	- - -	385.00 €~2,408.00 €	Tue 29 Oct 24
(S)-N-(1-Amino-1-oxobutan-2-yl)-4-chlorobutanamide REF: TR-A618580CAS: 102767-31-7	- - -	311.00 €~2,020.00 €	Tue 29 Oct 24
1-(2,6-Dimethylphenoxy)acetone REF: TR-D476440CAS: 53012-41-2	- - -	245.00 €~1,693.00 €	Tue 29 Oct 24
dl-a-Tocopherol Acetate REF: TR-T526155CAS: 52225-20-4	- - -	219.00 €~361.00 €	Tue 29 Oct 24
2-(2-Diethylaminoethoxy)ethanol REF: TR-D443615CAS: 140-82-9	- - -	179.00 €~366.00 €	Tue 29 Oct 24
6-Methyl Risperidone REF: TR-M326330CAS: 1346602-28-5	- - -	275.00 €~1,824.00 €	Tue 29 Oct 24
Azithromycin B REF: TR-A927005CAS: 307974-61-4	- - -	549.00 €~3,678.00 €	Tue 29 Oct 24
(Z,Z)-5-(2-Methyl-3-phenyl-propenylidene)-4-oxo-2-thioxo-3-thiazolidineacetic Acid REF: TR-M326805CAS: 124782-63-4	- - -	307.00 €~1,987.00 €	Tue 29 Oct 24
3,5-Dimethyl-1-adamantanol REF: TR-D470580CAS: 707-37-9	- - -	106.00 €~241.00 €	Tue 29 Oct 24
Ethyl Biotin REF: TR-E899090CAS: 2714810-33-8	- - -	292.00 €~1,976.00 €	Tue 29 Oct 24
7-Aminodesacetoxycephalosporanic Acid REF: TR-A604330CAS: 22252-43-3	- - -	116.00 €~210.00 €	Tue 29 Oct 24
3-Amino-5-[4-(morpholin-4-ylmethyl)phenyl]thiophene-2-carboxamide REF: TR-A618295CAS: 494772-87-1	- - -	264.00 €~1,758.00 €	Tue 29 Oct 24
Methotrexate Tetraglutamate Trifluoroacetate REF: TR-M260730CAS: 73610-81-8	- - -	194.00 €~2,006.00 €	Tue 29 Oct 24
Androst-3-en-17-one REF: TR-A638045CAS: 14935-81-0	- - -	252.00 €~1,719.00 €	Tue 29 Oct 24
Torsemide Carboxylic Acid REF: TR-T548755CAS: 113844-99-8	- - -	315.00 €~2,079.00 €	Tue 29 Oct 24
a-Hydroxy Olopatadine Hydrochloride REF: TR-H948770CAS: 1331668-21-3	- - -	326.00 €~2,147.00 €	Tue 29 Oct 24
Dihydrodiol Ibrutinib REF: TR-D450250CAS: 1654820-87-7	- - -	260.00 €~1,623.00 €	Tue 29 Oct 24
rac N-Methyl Atomoxetine Oxalate REF: TR-M288283CAS: 107688-86-8	- - -	1,004.00 €	Tue 29 Oct 24

D-Glucose 6-Phosphate Disodium Salt Hydrate

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D-Glucose 6-Phosphate Disodium Salt Hydrate

CAS:3671-99-6

Applications A phosphorylated glucose derivative that is a key intermediate in biological processes such as …

Formula:

C₆H₁₁O₉PNa·x(H₂O)

Color and Shape:

Neat

Molecular weight:

304.10 (anhydrous basis)

Ref: TR-G596805

1g		245.00 €
10g		1,639.00 €

Estimated delivery in United States, on Tuesday 29 Oct 2024

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Amoxicillin Dimer tri-Sodium Salt (penicilloic acid form)(Mixture of Diastereomers)

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Amoxicillin Dimer tri-Sodium Salt (penicilloic acid form)(Mixture of Diastereomers)

Controlled Product

CAS:210289-72-8

Stability Hygroscopic Applications Amoxicillin dimer tri-Sodium Salt (penicilloic acid form) is an impurity of Amoxicillin …

Formula:

C₃₂H₃₇N₆Na₃O₁₁S₂

Color and Shape:

Neat

Molecular weight:

814.77

Ref: TR-A634520

10mg		3,915.00 €
500µg		288.00 €
2500µg		1,197.00 €

Estimated delivery in United States, on Tuesday 29 Oct 2024

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Digoxigenin Monodigitoxoside

Controlled Product

CAS:5352-63-6

Applications A metabolite of Digoxin (Dx) (D446575). Not a dangerous good if item is equal …

Formula:

C₂₉H₄₄O₈

Color and Shape:

Beige

Molecular weight:

520.65

Ref: TR-D446505

1mg		385.00 €
5mg		1,429.00 €
10mg		2,408.00 €

Estimated delivery in United States, on Tuesday 29 Oct 2024

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(S)-N-(1-Amino-1-oxobutan-2-yl)-4-chlorobutanamide

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(S)-N-(1-Amino-1-oxobutan-2-yl)-4-chlorobutanamide

CAS:102767-31-7

Impurity Levetiracetam USP Related Compound A Applications (S)-N-(1-Amino-1-oxobutan-2-yl)-4-chlorobutanamide is a related compound of Levetiracetam (L331500). …

Formula:

C₈H₁₅ClN₂O₂

Color and Shape:

White To Off-White

Molecular weight:

206.67

Ref: TR-A618580

1g		2,020.00 €
100mg		311.00 €

Estimated delivery in United States, on Tuesday 29 Oct 2024

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1-(2,6-Dimethylphenoxy)acetone

Controlled Product

CAS:53012-41-2

Applications Mexiletine (M340800) metabolite. References Beckett, A. H. & Jones, G. R.; J. Pham. Phamacol. …

Formula:

C₁₁H₁₄O₂

Color and Shape:

Colourless To Orange

Molecular weight:

178.23

Ref: TR-D476440

1g		245.00 €
10g		1,693.00 €

Estimated delivery in United States, on Tuesday 29 Oct 2024

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dl-a-Tocopherol Acetate

Controlled Product

CAS:52225-20-4

Stability Light Sensitive Applications dl-α-Tocopherol Acetate is the racemic analog of α-Tocopherol Acetate (T526155), one …

Formula:

C₃₁H₅₂O₃

Color and Shape:

Neat

Molecular weight:

472.74

Ref: TR-T526155

1g		219.00 €
10g		268.00 €
50g		361.00 €

Estimated delivery in United States, on Tuesday 29 Oct 2024

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2-(2-Diethylaminoethoxy)ethanol

Controlled Product

CAS:140-82-9

Formula:

C₈H₁₉NO₂

Color and Shape:

Neat

Molecular weight:

161.24

Ref: TR-D443615

50mg		179.00 €
100mg		237.00 €
250mg		366.00 €

Estimated delivery in United States, on Tuesday 29 Oct 2024

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6-Methyl Risperidone

Controlled Product

CAS:1346602-28-5

Impurity Risperidone EP Impurity E Applications 6-Methyl Risperidone (Risperidone EP Impurity E) is a Risperidone …

Formula:

C₂₄H₂₉FN₄O₂

Color and Shape:

Light Yellow

Molecular weight:

424.51

Ref: TR-M326330

5mg		275.00 €
50mg		1,824.00 €

Estimated delivery in United States, on Tuesday 29 Oct 2024

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Azithromycin B

CAS:307974-61-4

Impurity Azithromycin EP Impurity B Applications Azithromycin B (Azithromycin EP Impurity B), is an impurity …

Formula:

C₃₈H₇₂N₂O₁₁

Color and Shape:

White To Yellow

Molecular weight:

732.99

Ref: TR-A927005

1mg		549.00 €
10mg		3,678.00 €
2500µg		1,126.00 €

Estimated delivery in United States, on Tuesday 29 Oct 2024

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(Z,Z)-5-(2-Methyl-3-phenyl-propenylidene)-4-oxo-2-thioxo-3-thiazolidineacetic Acid

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(Z,Z)-5-(2-Methyl-3-phenyl-propenylidene)-4-oxo-2-thioxo-3-thiazolidineacetic Acid

Controlled Product

CAS:124782-63-4

Stability Light Sensitive Applications (Z,Z)-5-(2-Methyl-3-phenyl-propenylidene)-4-oxo-2-thioxo-3-thiazolidineacetic Acid is a stereoisomer of Epalrestat (E565300), an aldose reductase …

Formula:

C₁₅H₁₃NO₃S₂

Color and Shape:

Yellow-Red Solid

Molecular weight:

319.4

Ref: TR-M326805

1mg		307.00 €
10mg		1,987.00 €

Estimated delivery in United States, on Tuesday 29 Oct 2024

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3,5-Dimethyl-1-adamantanol

Controlled Product

CAS:707-37-9

Impurity Memantine USP Related Compound B (3,5-Dimethyladamantane-1-ol) Applications 3,5-Dimethyl-1-adamantanol is an impurity of Memantine (M218000). …

Formula:

C₁₂H₂₀O

Color and Shape:

White

Molecular weight:

180.29

Ref: TR-D470580

1g		241.00 €
100mg		106.00 €
250mg		126.00 €

Estimated delivery in United States, on Tuesday 29 Oct 2024

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Ethyl Biotin

Controlled Product

CAS:2714810-33-8

Applications Ethyl Biotin is an impurity of Biotin (B389040) which is a growth factor present …

Formula:

C₁₂H₂₀N₂O₃S

Color and Shape:

Neat

Molecular weight:

272.36

Ref: TR-E899090

5mg		292.00 €
25mg		1,186.00 €
50mg		1,976.00 €

Estimated delivery in United States, on Tuesday 29 Oct 2024

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7-Aminodesacetoxycephalosporanic Acid

CAS:22252-43-3

Impurity Cefadroxil EP Impurity B Applications 7-Aminodesacetoxycephalosporanic Acid (Cefadroxil EP Impurity B) is a metabolite …

Formula:

C₈H₁₀N₂O₃S

Color and Shape:

Beige

Molecular weight:

214.24

Ref: TR-A604330

50mg		116.00 €
250mg		125.00 €
500mg		210.00 €

Estimated delivery in United States, on Tuesday 29 Oct 2024

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3-Amino-5-[4-(morpholin-4-ylmethyl)phenyl]thiophene-2-carboxamide

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3-Amino-5-[4-(morpholin-4-ylmethyl)phenyl]thiophene-2-carboxamide

Controlled Product

CAS:494772-87-1

Applications Intermediate in the preparation of ureido-carboxamido thiophenes as inhibitors of IKK2 kinase.

Formula:

C₁₆H₁₉N₃O₂S

Color and Shape:

Yellowish Solid

Molecular weight:

317.41

Ref: TR-A618295

25mg		264.00 €
250mg		1,758.00 €

Estimated delivery in United States, on Tuesday 29 Oct 2024

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Methotrexate Tetraglutamate Trifluoroacetate

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Methotrexate Tetraglutamate Trifluoroacetate

Controlled Product

CAS:73610-81-8

Applications Methotrexate Tetraglutamate is a metabolite of Methotrexate (M260675); a folic acid antagonist, antineoplastic, and …

Formula:

C₃₅H₄₃N₁₁O₁₄xC₂HF₃O₂

Color and Shape:

Neat

Molecular weight:

841.78

Ref: TR-M260730

1mg		194.00 €
5mg		550.00 €
25mg		2,006.00 €

Estimated delivery in United States, on Tuesday 29 Oct 2024

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Androst-3-en-17-one

Controlled Product

CAS:14935-81-0

Applications (5α)-Androst-3-en-17-one is a new potent steroidal aromatase inhibitor. Aromatase inhibitors are a class of …

Formula:

C₁₉H₂₈O

Color and Shape:

Neat

Molecular weight:

272.43

Ref: TR-A638045

10mg		252.00 €
50mg		977.00 €
100mg		1,719.00 €

Estimated delivery in United States, on Tuesday 29 Oct 2024

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Torsemide Carboxylic Acid

Controlled Product

CAS:113844-99-8

Stability Hygroscopic Applications Torsemide Carboxylic Acid is a metabolite of Torsemide (T548750), a diuretic drug. …

Formula:

C₁₆H₁₈N₄O₅S

Color and Shape:

Neat

Molecular weight:

378.4

Ref: TR-T548755

5mg		315.00 €
50mg		2,079.00 €

Estimated delivery in United States, on Tuesday 29 Oct 2024

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a-Hydroxy Olopatadine Hydrochloride

CAS:1331668-21-3

Impurity Olopatadine USP Related Compound A Applications An impurity of Olopatadine (O575000). Olopatadine USP Related …

Formula:

C₂₁H₂₃NO₄·ClH

Color and Shape:

Light Yellow

Molecular weight:

389.87

Ref: TR-H948770

1mg		326.00 €
10mg		2,147.00 €

Estimated delivery in United States, on Tuesday 29 Oct 2024

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Dihydrodiol Ibrutinib

Controlled Product

CAS:1654820-87-7

Applications Dihydrodiol Ibrutinib is a metabolite of Ibrutinib (I124970). Ibrutinib is a highly selective Bruton’s …

Formula:

C₂₅H₂₆N₆O₄

Color and Shape:

Neat

Molecular weight:

474.51

Ref: TR-D450250

5mg		403.00 €
25mg		1,623.00 €
2500µg		260.00 €

Estimated delivery in United States, on Tuesday 29 Oct 2024

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rac N-Methyl Atomoxetine Oxalate

CAS:107688-86-8

Applications rac N-Methyl Atomoxetine Oxalate is a derivative of Atomoxetine which acts as a norepinephrine …

Formula:

C₁₈H₂₃NO·C₂H₂O₄

Color and Shape:

Off White Solid

Molecular weight:

359.42

Ref: TR-M288283

100mg 1,004.00 €

Estimated delivery in United States, on Tuesday 29 Oct 2024

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