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
(R,S)-Anatabine-2,4,5,6-d4 REF: TR-A637505CAS: 1020719-11-2	- - -	549.00 €~3,818.00 €	Mon 28 Oct 24
Pravastatin-d3 Sodium Salt (major) REF: TR-P702002CAS: 1329836-90-9	- - -	350.00 €~2,395.00 €	Mon 28 Oct 24
2-Chloro-1-(3,4-dihydroxyphenyl)ethanone REF: TR-C365325CAS: 99-40-1	- - -	93.00 €~316.00 €	Mon 28 Oct 24
1-Methyl-4-[5-(2-methylsulfamoylethyl)-1H-indol-3-yl]pyridinium Chloride REF: TR-M321050	- - -	268.00 €~1,497.00 €	Mon 28 Oct 24
N-[[7-(Aminosulfonyl)-6-chloro-2,3-dihydro-1,1-dioxo-4H-1,2,4-benzothiadiazin-4-yl]methyl]-6-chloro-3,4-dihydro-1,1-dioxo-2H-1,2,4-benzothiadiazine-7-sulfonamide REF: TR-A629375CAS: 402824-96-8	- - -	806.00 €~4,100.00 €	Mon 28 Oct 24
2-Methylimidazole REF: TR-M312985CAS: 693-98-1	- - -	98.00 €~301.00 €	Mon 28 Oct 24
Aminomethanephosphonic Acid-13C,15N REF: TR-A617342CAS: 1066-51-9	- - -	526.00 €~3,580.00 €	Mon 28 Oct 24
rac 4-Hydroxy-4-(3-pyridyl)butanoic Acid Dicyclohexylamine Salt REF: TR-H952970CAS: 1216491-66-5	- - -	276.00 €~1,781.00 €	Mon 28 Oct 24
Terfenadone REF: TR-T114505CAS: 43076-30-8	- - -	327.00 €~2,080.00 €	Mon 28 Oct 24
1-(4-Methoxyphenyl)-7-oxo-6-[4-(2-oxopiperidin-1-yl)phenyl]-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylic Acid REF: TR-M266420CAS: 503614-92-4	- - -	348.00 €~1,168.00 €	Mon 28 Oct 24
cis-Glimepiride REF: TR-G410145CAS: 684286-46-2	- - -	317.00 €~2,273.00 €	Mon 28 Oct 24
N1-Acetylspermidine-d6 Dihydrochloride REF: TR-A187847CAS: 34450-16-3	- - -	413.00 €~2,952.00 €	Mon 28 Oct 24
Tri-POC Tenofovir Dimer (>90%) REF: TR-T018490CAS: 1093279-77-6	>90%	1,072.00 €~10,043.00 €	Mon 28 Oct 24
Pseudo Morphine (Morphine Impurity) REF: TR-P839540CAS: 125-24-6	- - -	317.00 €~2,043.00 €	Mon 28 Oct 24
12-Amino Minocycline (~90%) REF: TR-A618285CAS: 864073-42-7	~90%	329.00 €~2,138.00 €	Mon 28 Oct 24
(1R,2R)-Bortezomib (>85%) REF: TR-B675705CAS: 1132709-15-9	>85%	276.00 €~1,857.00 €	Mon 28 Oct 24
1-(4-Acetylphenyl)-2-methyl-1-propanone REF: TR-A187400CAS: 103931-20-0	- - -	299.00 €~1,023.00 €	Mon 28 Oct 24
1-epi-Calcitriol REF: TR-C144490CAS: 66791-71-7	- - -	5,910.00 €	Mon 28 Oct 24
7-Aminocephalosporanic Acid REF: TR-A603415CAS: 957-68-6	- - -	140.00 €~1,657.00 €	Mon 28 Oct 24
16-Epiestriol REF: TR-E586500CAS: 547-81-9	- - -	94.00 €~668.00 €	Mon 28 Oct 24

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(R,S)-Anatabine-2,4,5,6-d4

Controlled Product

CAS:1020719-11-2

Stability Hygroscopic Applications Labelled (R,S)-Anatabine is a metabolite of Nicotine (N412420). Not a dangerous good …

Formula:

C₁₀H₄H₈N₂

Color and Shape:

Neat

Molecular weight:

164.24

Ref: TR-A637505

1mg		549.00 €
10mg		3,818.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Pravastatin-d3 Sodium Salt (major)

Controlled Product

CAS:1329836-90-9

Formula:

C₂₃H₃H₃₂O₇·Na

Color and Shape:

Off White

Molecular weight:

449.53

Ref: TR-P702002

1mg		350.00 €
10mg		2,395.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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2-Chloro-1-(3,4-dihydroxyphenyl)ethanone

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2-Chloro-1-(3,4-dihydroxyphenyl)ethanone

CAS:99-40-1

Applications 2-Chloro-1-(3,4-dihydroxyphenyl)ethanone (cas# 99-40-1) is a compound useful in organic synthesis.

Formula:

C₈H₇ClO₃

Color and Shape:

Neat

Molecular weight:

186.59

Ref: TR-C365325

1g		93.00 €
25g		131.00 €
100g		316.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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1-Methyl-4-[5-(2-methylsulfamoylethyl)-1H-indol-3-yl]pyridinium Chloride

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1-Methyl-4-[5-(2-methylsulfamoylethyl)-1H-indol-3-yl]pyridinium Chloride

Controlled Product

Impurity Naratriptan pyridinium Impurity Stability Hygroscopic Applications Naratriptan (N378730) impurity.

Formula:

C₁₇H₂₀ClN₃O₂S

Color and Shape:

Neat

Molecular weight:

365.88

Ref: TR-M321050

1mg		268.00 €
5mg		885.00 €
10mg		1,497.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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N-[[7-(Aminosulfonyl)-6-chloro-2,3-dihydro-1,1-dioxo-4H-1,2,4-benzothiadiazin-4-yl]methyl]-6-chlor…

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N-[[7-(Aminosulfonyl)-6-chloro-2,3-dihydro-1,1-dioxo-4H-1,2,4-benzothiadiazin-4-yl]methyl]-6-chloro-3,4-dihydro-1,1-dioxo-2H-1,2,4-benzothiadiazine-7-sulfonamide

CAS:402824-96-8

Impurity Hydrochlorothiazide EP Impurity C Applications N-[[7-(Aminosulfonyl)-6-chloro-2,3-dihydro-1,1-dioxo-4H-1,2,4-benzothiadiazin-4-yl]methyl]-6-chloro-3,4-dihydro-1,1-dioxo-2H-1,2,4-benzothiadiazine-7-sulfonamide (Hydrochlorothiazide EP Impurity C) is an impurity in …

Formula:

C₁₅H₁₆Cl₂N₆O₈S₄

Color and Shape:

Off-White

Molecular weight:

607.49

Ref: TR-A629375

5mg		806.00 €
10mg		1,444.00 €
50mg		4,100.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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2-Methylimidazole

CAS:693-98-1

Applications 2-Methylimidazole is a monomethylated imidazole that can be used as a building block in …

Formula:

C₄H₆N₂

Color and Shape:

Neat

Molecular weight:

82.10

Ref: TR-M312985

1g		98.00 €
10g		124.00 €
100g		301.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Aminomethanephosphonic Acid-13C,15N

CAS:1066-51-9

Stability Hygroscopic Applications Isotope labelled analog of aminomethanephosphonic acid (A617340), a degradation product of glyphosate …

Formula:

CH₆NO₃P

Color and Shape:

White To Off-White

Molecular weight:

113.0231

Ref: TR-A617342

1mg		526.00 €
10mg		3,580.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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rac 4-Hydroxy-4-(3-pyridyl)butanoic Acid Dicyclohexylamine Salt

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rac 4-Hydroxy-4-(3-pyridyl)butanoic Acid Dicyclohexylamine Salt

Controlled Product

CAS:1216491-66-5

Formula:

C₂₁H₃₄N₂O₃

Color and Shape:

Neat

Molecular weight:

362.51

Ref: TR-H952970

5mg		276.00 €
50mg		1,781.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Terfenadone

CAS:43076-30-8

Formula:

C₃₂H₃₉NO₂

Color and Shape:

White Solid

Molecular weight:

469.66

Ref: TR-T114505

1g		2,080.00 €
100mg		327.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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1-(4-Methoxyphenyl)-7-oxo-6-[4-(2-oxopiperidin-1-yl)phenyl]-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]p…

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1-(4-Methoxyphenyl)-7-oxo-6-[4-(2-oxopiperidin-1-yl)phenyl]-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylic Acid

CAS:503614-92-4

Formula:

C₂₅H₂₄N₄O₅

Color and Shape:

Light Orange Colour

Molecular weight:

460.48

Ref: TR-M266420

5mg		620.00 €
10mg		1,168.00 €
2500µg		348.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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cis-Glimepiride

Controlled Product

CAS:684286-46-2

Impurity Glimepiride EP Impurity A Applications cis-Glimepiride (Glimepiride EP Impurity A) is the cis-isomer of …

Formula:

C₂₄H₃₄N₄O₅S

Color and Shape:

Neat

Molecular weight:

490.62

Ref: TR-G410145

5mg		317.00 €
10mg		574.00 €
50mg		2,273.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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N1-Acetylspermidine-d6 Dihydrochloride

Controlled Product

CAS:34450-16-3

Applications Labelled Dihydrochloride salt of N1-Acetylspermidine which is an analog of Spermidine (S680400), an antineoplastic. …

Formula:

C₉H₁₇D₆Cl₂N₃O

Color and Shape:

Neat

Molecular weight:

266.24

Ref: TR-A187847

1mg		413.00 €
10mg		2,952.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Tri-POC Tenofovir Dimer (>90%)

Controlled Product

CAS:1093279-77-6

Stability Very Hygroscopic Applications Tri-POC Tenofovir Dimer is a dimer of Tenofovir Disoproxil (T018505), an …

Formula:

C₃₄H₅₂N₁₀O₁₇P₂

Purity:

>90%

Color and Shape:

White To Light Beige

Molecular weight:

934.78

Ref: TR-T018490

1mg		1,531.00 €
10mg		10,043.00 €
500µg		1,072.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Pseudo Morphine (Morphine Impurity)

Controlled Product

CAS:125-24-6

Applications A degradation product of Morphine. A dimolecular base formed by the gentle oxidation of …

Formula:

C₃₄H₃₆N₂O₆

Color and Shape:

Off-White

Molecular weight:

568.66

Ref: TR-P839540

25mg		2,043.00 €
2500µg		317.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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12-Amino Minocycline (~90%)

Controlled Product

CAS:864073-42-7

Stability Light Sensitive Applications An impurity of Minocycline (M344800). Used in the preparation of calpain …

Formula:

C₂₃H₂₈N₄O₆

Purity:

~90%

Color and Shape:

Neat

Molecular weight:

456.49

Ref: TR-A618285

5mg		329.00 €
50mg		2,138.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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(1R,2R)-Bortezomib (>85%)

CAS:1132709-15-9

Impurity Bortezomib USP Related Compound A Applications (1R,2R)-Bortezomib is a diastereomer of Bortezomib (B675700), the …

Formula:

C₁₉H₂₅BN₄O₄

Purity:

>85%

Color and Shape:

Neat

Molecular weight:

384.24

Ref: TR-B675705

5mg		276.00 €
50mg		1,857.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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1-(4-Acetylphenyl)-2-methyl-1-propanone

CAS:103931-20-0

Applications A potential impurity in Ibuprofen (I140000). A degradation product of Ibuprofen arising from oxidative …

Formula:

C₁₂H₁₄O₂

Color and Shape:

Neat

Molecular weight:

190.24

Ref: TR-A187400

25mg		299.00 €
50mg		558.00 €
100mg		1,023.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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1-epi-Calcitriol

Controlled Product

CAS:66791-71-7

Stability Light Sensitive, Temperature sensitive Applications An impurity of Calcitriol (C144500). Not a dangerous good …

Formula:

C₂₇H₄₄O₃

Color and Shape:

Neat

Molecular weight:

416.64

Ref: TR-C144490

10mg 5,910.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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7-Aminocephalosporanic Acid

Controlled Product

CAS:957-68-6

Impurity Cefoperazone EP Impurity E Stability Hygroscopic Applications 7-Aminocephalosporanic Acid (Cefoperazone EP Impurity E) is …

Formula:

C₁₀H₁₂N₂O₅S

Color and Shape:

White To Light Yellow

Molecular weight:

272.28

Ref: TR-A603415

1g		140.00 €
5g		246.00 €
50g		1,657.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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16-Epiestriol

Controlled Product

CAS:547-81-9

Impurity Estriol EP Impurity F Applications 16-Epiestriol (Estriol EP Impurity F) is a metabolite of …

Formula:

C₁₈H₂₄O₃

Color and Shape:

White

Molecular weight:

288.38

Ref: TR-E586500

5mg		122.00 €
100mg		668.00 €
2500µg		94.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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