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
N-(Descarboxybenzofurane)-N-4-carboxy-3-hydroxybenzoyl Lifitegrast (>90%) REF: TR-C019485	>90%	287.00 €~1,968.00 €	Mon 28 Oct 24
Hydroxynorketamine-d6 Hydrochloride REF: TR-H949681CAS: 1914951-73-7 81395-70-2	- - -	470.00 €~3,206.00 €	Mon 28 Oct 24
Hydroxynorketamine Hydrochloride REF: TR-H949680CAS: 2173991-73-4	- - -	323.00 €~2,045.00 €	Mon 28 Oct 24
Cefdinir Thiazine Analog Lactone Form(Mixture of Diastereomers) REF: TR-A630475CAS: 178422-42-9	- - -	315.00 €~2,039.00 €	Mon 28 Oct 24
Boldenone Propionate REF: TR-B675160CAS: 977-32-2	- - -	134.00 €~1,498.00 €	Mon 28 Oct 24
rac all-trans 4-Hydroxy Retinoic Acid REF: TR-H953300CAS: 66592-72-1	- - -	468.00 €~3,155.00 €	Mon 28 Oct 24
2-Furoylglycine-d3 REF: TR-F865227CAS: 5657-19-2	- - -	310.00 €~2,022.00 €	Mon 28 Oct 24
Tenofovir Alafenamide-d5 Fumarate(diastereomers) REF: TR-T018557CAS: 2131003-42-2 379270-36-7 379270-37-8	- - -	416.00 €~1,601.00 €	Mon 28 Oct 24
10a-Hydroxymorphine REF: TR-H948720CAS: 131563-73-0	- - -	350.00 €~2,405.00 €	Mon 28 Oct 24
3’-Hydroxy Stanozolol-d3 REF: TR-H953533CAS: 170082-17-4	- - -	280.00 €~1,900.00 €	Mon 28 Oct 24
2-Amino-4-methylpyridine REF: TR-A617470CAS: 695-34-1	- - -	100.00 €	Mon 28 Oct 24
O-Methyl Mycophenolate Mofetil (EP Impurity D) REF: TR-M320545CAS: 1322681-37-7	- - -	310.00 €~2,023.00 €	Mon 28 Oct 24
O-Acetyl Scopolamine Hydrobromide REF: TR-A187825CAS: 5027-67-8	- - -	269.00 €~1,760.00 €	Mon 28 Oct 24
Taurochenodeoxycholic Acid-d5 Sodium Salt REF: TR-T008133CAS: 6009-98-9	- - -	309.00 €~1,963.00 €	Mon 28 Oct 24
6-Chloro-2-methyl-4-(2-fluorophenyl)quinazoline REF: TR-C366455CAS: 119401-13-7	- - -	330.00 €~2,141.00 €	Mon 28 Oct 24
2,3,4-Trimethoxybenzyl Alcohol REF: TR-T795690CAS: 71989-96-3	- - -	140.00 €~1,548.00 €	Mon 28 Oct 24
N1-Ethylcarbamoyl Cabergoline REF: TR-E900925CAS: 126554-50-5	- - -	236.00 €~1,592.00 €	Mon 28 Oct 24
N-Hydroxy Phentermine Hydrochloride REF: TR-H948990CAS: 51835-51-9	- - -	331.00 €~1,777.00 €	Mon 28 Oct 24
5-(S-Methyl) Albendazole REF: TR-M271950CAS: 80983-45-5	- - -	356.00 €~1,304.00 €	Mon 28 Oct 24
Cetirizine 2-Chloro Impurity Dihydrochloride REF: TR-C364840CAS: 2702511-37-1	- - -	308.00 €~2,046.00 €	Mon 28 Oct 24

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N-(Descarboxybenzofurane)-N-4-carboxy-3-hydroxybenzoyl Lifitegrast (>90%)

Controlled Product

Formula:

C₂₈H₂₄Cl₂N₂O₉S

Purity:

>90%

Color and Shape:

Neat

Ref: TR-C019485

1mg		287.00 €
5mg		1,197.00 €
10mg		1,968.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Hydroxynorketamine-d6 Hydrochloride

Controlled Product

CAS:1914951-73-7 81395-70-2

Applications Hydroxynorketamine-d6 Hydrochloride, is labelled Hydroxynorketamine (H949680, HCl salt), a metabolite of Ketamine (K165300, HCl …

Formula:

C₁₂H₈D₆ClNO₂•HCl

Color and Shape:

Neat

Molecular weight:

282.2

Ref: TR-H949681

5mg		3,206.00 €
500µg		470.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Hydroxynorketamine Hydrochloride

Controlled Product

CAS:2173991-73-4

Applications Hydroxynorketamine is a metabolite of Ketamine (K165300, HCl salt) which is a medication used …

Formula:

C₁₂H₁₅Cl₂NO₂

Color and Shape:

White To Off-White

Molecular weight:

276.16

Ref: TR-H949680

1mg		323.00 €
10mg		2,045.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Cefdinir Thiazine Analog Lactone Form(Mixture of Diastereomers)

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Cefdinir Thiazine Analog Lactone Form(Mixture of Diastereomers)

Controlled Product

CAS:178422-42-9

Impurity USP Cefdinir Related Compound A Sodium Salt Stability Hygroscopic Applications (2(R)-2-[(Z)-2-(2-Aminothiazol-4-yl)-2-(hydroxyimino)acetamido]-2-[(2RS,5RS)-5-methyl-7-oxo-2,4,5,7-tetrahydro-1H-furo[3,4-d][1,3]thiazin-2-yl]acetic Acid is an …

Formula:

C₁₄H₁₄N₅NaO₆S₂

Color and Shape:

Neat

Molecular weight:

435.41

Ref: TR-A630475

5mg		315.00 €
50mg		2,039.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Boldenone Propionate

Controlled Product

CAS:977-32-2

Applications Boldenone Propionate is a metabolite of Boldenone (B675100), which is an anabolic steroid. References …

Formula:

C₂₂H₃₀O₃

Color and Shape:

Off-White

Molecular weight:

342.47

Ref: TR-B675160

1g		1,498.00 €
50mg		134.00 €
500mg		887.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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rac all-trans 4-Hydroxy Retinoic Acid

Controlled Product

CAS:66592-72-1

Stability Light Sensitive, Temperature Sensitive Applications A metabolite of all-trans Retinoic acid (R250200). References Idres, …

Formula:

C₂₀H₂₈O₃

Color and Shape:

Neat

Molecular weight:

316.43

Ref: TR-H953300

1mg		468.00 €
10mg		3,155.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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2-Furoylglycine-d3

Controlled Product

CAS:5657-19-2

Applications 2-Furoylglycine-d3 is the isotope labelled analog of 2-Furoylglycine (F865225); an intermediate used to prepare …

Formula:

C₇D₃H₄NO₄

Color and Shape:

Neat

Molecular weight:

172.15

Ref: TR-F865227

25mg		2,022.00 €
2500µg		310.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Tenofovir Alafenamide-d5 Fumarate(diastereomers)

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Tenofovir Alafenamide-d5 Fumarate(diastereomers)

Controlled Product

CAS:2131003-42-2 379270-36-7 379270-37-8

Stability Moisture Sensitive Applications Tenofovir Alafenamide-d5 Fumarate (diastereomers), is labeled GS 7171. Tenofovir Alafenamide (T018555) …

Formula:

C₂₁H₂₄D₅N₆O₅P·C₄H₄O₄

Color and Shape:

Neat

Molecular weight:

481.5011607

Ref: TR-T018557

5mg		416.00 €
10mg		800.00 €
25mg		1,601.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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10a-Hydroxymorphine

Controlled Product

CAS:131563-73-0

Applications An impurity in the synthesis of morphine, with pharmaceutical properties similar to that of …

Formula:

C₁₇H₁₉NO₄

Color and Shape:

Light Brown

Molecular weight:

301.34

Ref: TR-H948720

25mg		2,405.00 €
2500µg		350.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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3’-Hydroxy Stanozolol-d3

Controlled Product

CAS:170082-17-4

Applications Isotope labelled 3’-Hydroxy Stanozolol is one of the main metabolites of Stanozolol (S684500), an …

Formula:

C₂₁H₃H₂₉N₂O₂

Color and Shape:

Neat

Molecular weight:

347.51

Ref: TR-H953533

1mg		280.00 €
10mg		1,900.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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2-Amino-4-methylpyridine

Controlled Product

CAS:695-34-1

Impurity Rifaximin EP Impurity A Applications 2-Amino-4-methylpyridine (Rifaximin EP Impurity A) is an impurity of …

Formula:

C₆H₈N₂

Color and Shape:

Neat

Molecular weight:

108.14

Ref: TR-A617470

1g 100.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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O-Methyl Mycophenolate Mofetil (EP Impurity D)

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O-Methyl Mycophenolate Mofetil (EP Impurity D)

Controlled Product

CAS:1322681-37-7

Impurity Mycophenolate Mofetil EP Impurity D Applications O-Methyl Mycophenolate Mofetil (Mycophenolate Mofetil EP Impurity D) …

Formula:

C₂₄H₃₃NO₇

Color and Shape:

Neat

Molecular weight:

447.52

Ref: TR-M320545

1mg		310.00 €
10mg		2,023.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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O-Acetyl Scopolamine Hydrobromide

Controlled Product

CAS:5027-67-8

Applications Scopolamine Hydrobromide (S200000) derivative. An acetylcholine antagonist. Used in treatment of motion sickness; antiemetic; …

Formula:

C₁₉H₂₄BrNO₅

Color and Shape:

Neat

Molecular weight:

426.3

Ref: TR-A187825

50mg		269.00 €
500mg		1,760.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Taurochenodeoxycholic Acid-d5 Sodium Salt

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Taurochenodeoxycholic Acid-d5 Sodium Salt

Controlled Product

CAS:6009-98-9

Stability Hygroscopic Applications Taurochenodeoxycholic Acid-d5 (Major) Sodium Salt is the labelled analogue of Taurochenodeoxycholic Acid …

Formula:

C₂₆H₃₉D₅NNaO₆S

Color and Shape:

White To Beige

Molecular weight:

526.72

Ref: TR-T008133

1mg		309.00 €
10mg		1,963.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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6-Chloro-2-methyl-4-(2-fluorophenyl)quinazoline

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6-Chloro-2-methyl-4-(2-fluorophenyl)quinazoline

Controlled Product

CAS:119401-13-7

Applications 6-Chloro-2-methyl-4-(2-fluorophenyl)quinazoline is a photochemical decomposition product of Midazolam (M343000), an anesthetic, anticonvulsant, sedative and …

Formula:

C₁₅H₁₀ClFN₂

Color and Shape:

Neat

Molecular weight:

272.70

Ref: TR-C366455

5g		2,141.00 €
500mg		330.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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2,3,4-Trimethoxybenzyl Alcohol

Controlled Product

CAS:71989-96-3

Impurity Trimetazidine EP impurity D Applications 2,3,4-Trimethoxybenzyl Alcohol is a trimethoxylated aromatic alcohol. 2,3,4-Trimethoxybenzyl Alcohol …

Formula:

C₁₀H₁₄O₄

Color and Shape:

Colourless To Light Yellow

Molecular weight:

198.22