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
Sodium Nitrate REF: 45-1614432CAS: 7631-99-4	- - -	434.00 €	Tue 15 Oct 24
Vortioxetine Related Compound G (1-{2-[(2,6-Dimethylphenyl)thio]phenyl}piperazine hydrobromide) REF: 45-1718111CAS: 508233-76-9	- - -	1,308.00 €	Tue 15 Oct 24
Methylprednisolone Related Compound A (17,21-Dihydroxy-6α-methylpregna-1,4-diene-3,11,20-trione) REF: 45-1435014CAS: 91523-05-6	- - -	1,407.00 €	Tue 15 Oct 24
Propantheline Bromide Related Compound A (9-Hydroxypropantheline bromide) REF: 45-1329505CAS: 93446-02-7	- - -	1,426.00 €	Tue 15 Oct 24
Econazole Related Compound C (1-(4-Chlorobenzyl)-3-[(2RS)-2-[(4-chlorobenzyl)oxy]-2-(2,4-dichlorophenyl)ethyl]imidazolium chloride) REF: 45-1231852CAS: 57265-33-5	- - -	1,552.00 €	Tue 15 Oct 24
Beclomethasone Dipropionate Related Compound H (9-Chloro-11β,21-dihydroxy-16β-methyl-3,20-dioxopregna-1,4-diene-17-yl propionate) REF: 45-1048543CAS: 5534-18-9	- - -	1,222.00 €	Tue 15 Oct 24
Ibutilide Related Compound A (N-Ethyl-N-heptyl-4-[4-(methylsulfonamido)phenyl]-4-oxobutanamide) REF: 45-1335621CAS: 100632-58-4	- - -	581.00 €	Tue 15 Oct 24
Risedronate Related Compound C ([2-(3-pyridinyl)ethylidene-1,1]bis(phosphonic acid)) REF: 45-1604643CAS: 75755-10-1	- - -	1,371.00 €	Tue 15 Oct 24
Diiodotyrosine (3,5-Diiodo-L-tyrosine) REF: 45-1204383CAS: 300-39-0	- - -	736.00 €	Tue 15 Oct 24
Sulindac Related Compound B ((Z)-2-{5-fluoro-2-methyl-1-[4-(methylsulfonyl)benzylidene]-1H-inden-3-yl}acetic acid) REF: 45-1642020CAS: 59973-80-7	- - -	1,477.00 €	Tue 15 Oct 24
Rivastigmine Related Compound A ((+)-Di-(p-toluoyl)-D-tartaric acid) REF: 45-1604869CAS: 32634-68-7	- - -	1,371.00 €	Tue 15 Oct 24
Sulindac Related Compound C ((Z)-2-{5-fluoro-2-methyl-1-[4-(methylthio)benzylidene]-1H-inden-3-yl}acetic acid) REF: 45-1642031CAS: 49627-27-2	- - -	1,477.00 €	Tue 15 Oct 24
Clobetasol Propionate Related Compound A (9α-Fluoro-11β-hydroxy-16β-methyl 3-oxo-androsta-1,4-diene-17(R)-spiro-2'-[4'-chloro-5'-ethylfuran-3'(2'H)-one]) REF: 45-1138427CAS: 1486466-31-2	- - -	1,511.00 €	Tue 15 Oct 24
Tiotropium Related Compound C ((1R,3s,5S)-3-[2-Hydroxy-2,2-di(thiophen-2-yl)acetoxy]-8,8-dimethyl-8-azabicyclo[3.2.1]oct-6-en-8-ium bromide) REF: 45-1667619CAS: 136310-95-7	- - -	1,292.00 €	Tue 15 Oct 24
Orlistat Related Compound B (Diisopropyl hydrazine-1,2-dicarboxylate) REF: 45-1478822CAS: 19740-72-8	- - -	1,480.00 €	Tue 15 Oct 24
Sotalol Related Compound C (N-{4-[2-(Isopropylamino)ethyl]phenyl}methanesulfonamide hydrochloride) REF: 45-1617430CAS: 16974-44-0	- - -	1,371.00 €	Tue 15 Oct 24
2,3-Dimethylaniline REF: 45-1211254CAS: 87-59-2	- - -	1,292.00 €	Tue 15 Oct 24
Bisacodyl Related Compound B (2,4'-(Pyridin-2-ylmethylene)diphenol) REF: 45-1074042CAS: 16985-05-0	- - -	1,371.00 €	Tue 15 Oct 24
Sulfamethoxazole Related Compound A (N-{4-[N-(5-methylisoxazol-3-yl)sulfamoyl]phenyl}acetamide) REF: 45-1631511CAS: 21312-10-7	- - -	1,477.00 €	Tue 15 Oct 24
Nicotine Related Compound E ((1RS,2S)-1-methyl-2-(pyridin-3-yl)pyrrolidine 1-oxide oxalate) REF: 45-1463360	- - -	1,441.00 €	Tue 15 Oct 24

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Sodium Nitrate

CAS:7631-99-4

Sodium nitrate

Formula:

NaNO₃

Color and Shape:

White Powder

Molecular weight:

84.97759

Ref: 45-1614432

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Vortioxetine Related Compound G (1-{2-[(2,6-Dimethylphenyl)thio]phenyl}piperazine hydrobromide)

CAS:508233-76-9

Compounds containing a pyrimidine ring, whether or not hydrogenated, or piperazine ring in the structure, …

Formula:

C₁₈H₂₂N₂S·HBr

Color and Shape:

Pale Yellow Powder

Molecular weight:

298.15037

Ref: 45-1718111

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Methylprednisolone Related Compound A (17,21-Dihydroxy-6α-methylpregna-1,4-diene-3,11,20-trione)

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Methylprednisolone Related Compound A (17,21-Dihydroxy-6α-methylpregna-1,4-diene-3,11,20-trione)

CAS:91523-05-6

Aromatic or modified aromatic drugs with nitrogen hetero-atom(s) only, not elsewhere specified or included

Formula:

C₂₂H₂₈O₅

Color and Shape:

White Off-White Powder

Molecular weight:

372.19367

Ref: 45-1435014

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Propantheline Bromide Related Compound A (9-Hydroxypropantheline bromide)

CAS:93446-02-7

Aromatic heterocyclic compounds with oxygen hetero-atom(s) only, nesoi

Formula:

C₂₃H₃₀BrNO₄

Color and Shape:

White Powder

Molecular weight:

463.13582

Ref: 45-1329505

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Econazole Related Compound C (1-(4-Chlorobenzyl)-3-[(2RS)-2-[(4-chlorobenzyl)oxy]-2-(2,4-dichlorophenyl)ethyl]imidazolium chloride)

CAS:57265-33-5

Compounds containing an unfused imidazole ring, whether or not hydrogenated, in the structure, nesoi

Formula:

C₂₅H₂₁Cl₅N₂O

Color and Shape:

White Powder

Molecular weight:

540.00965

Ref: 45-1231852

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Beclomethasone Dipropionate Related Compound H (9-Chloro-11β,21-dihydroxy-16β-methyl-3,20-dioxopregna-1,4-diene-17-yl propionate)

CAS:5534-18-9

Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides etc, nesoi

Formula:

C₂₅H₃₃ClO₆

Color and Shape:

White Off-White Powder

Molecular weight:

464.19657

Ref: 45-1048543

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Ibutilide Related Compound A (N-Ethyl-N-heptyl-4-[4-(methylsulfonamido)phenyl]-4-oxobutanamide)

CAS:100632-58-4

Sulfonamides, nesoi

Formula:

C₂₀H₃₂N₂O₄S

Color and Shape:

White Off-White Powder

Molecular weight:

396.20828

Ref: 45-1335621

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Risedronate Related Compound C ([2-(3-pyridinyl)ethylidene-1,1]bis(phosphonic acid))

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Risedronate Related Compound C ([2-(3-pyridinyl)ethylidene-1,1]bis(phosphonic acid))

CAS:75755-10-1

Compounds containing an unfused pyridine ring in the structure, nesoi

Formula:

C₇H₁₁NO₆P₂

Color and Shape:

White Crystalline Powder

Molecular weight:

267.00616

Ref: 45-1604643

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Diiodotyrosine (3,5-Diiodo-L-tyrosine)

CAS:300-39-0

Aromatic amino-alcohol-phenols, aromatic amino-acid-phenols and other aromatic amino compounds with oxygen function

Formula:

C₉H₉I₂NO₃

Color and Shape:

White Off-White Powder

Molecular weight:

432.86719

Ref: 45-1204383

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Sulindac Related Compound B ((Z)-2-{5-fluoro-2-methyl-1-[4-(methylsulfonyl)benzylidene]-1H-inden-3-yl}acetic acid)

CAS:59973-80-7

Other aromatic organo-sulfur compounds (excluding pesticides)

Formula:

C₂₀H₁₇FO₄S

Color and Shape:

Yellow Crystalline Powder

Molecular weight:

372.08316

Ref: 45-1642020

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Rivastigmine Related Compound A ((+)-Di-(p-toluoyl)-D-tartaric acid)

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Rivastigmine Related Compound A ((+)-Di-(p-toluoyl)-D-tartaric acid)

CAS:32634-68-7

Salts and esters of tartaric acid

Formula:

C₂₀H₁₈O₈

Color and Shape:

Powder

Molecular weight:

386.10017

Ref: 45-1604869

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Sulindac Related Compound C ((Z)-2-{5-fluoro-2-methyl-1-[4-(methylthio)benzylidene]-1H-inden-3-yl}acetic acid)

CAS:49627-27-2

Other aromatic organo-sulfur compounds (excluding pesticides)

Formula:

C₂₀H₁₇FO₂S

Color and Shape:

Yellow Powder

Molecular weight:

340.09333

Ref: 45-1642031

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Clobetasol Propionate Related Compound A (9α-Fluoro-11β-hydroxy-16β-methyl 3-oxo-androsta-1,4-diene-17(R)-spiro-2'-[4'-chloro-5'-ethylfuran-3'(2'H)-one])

CAS:1486466-31-2

Compounds containing an unfused furan ring, whether or not hydrogenated, in the structure, nesoi

Formula:

C₂₅H₃₀ClFO₄

Color and Shape:

White Powder

Molecular weight:

448.18167

Ref: 45-1138427

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Tiotropium Related Compound C ((1R,3s,5S)-3-[2-Hydroxy-2,2-di(thiophen-2-yl)acetoxy]-8,8-dimethyl-8-azabicyclo[3.2.1]oct-6-en-8-ium bromide)

CAS:136310-95-7

Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi

Formula:

C₁₉H₂₂BrNO₃S₂

Color and Shape:

White Yellow Powder

Molecular weight:

455.02245

Ref: 45-1667619

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Orlistat Related Compound B (Diisopropyl hydrazine-1,2-dicarboxylate)

CAS:19740-72-8

Acyclic amides (including acyclic carbamates) and their derivatives and salts thereof, nesoi

Formula:

C₈H₁₆N₂O₄

Color and Shape:

White Powder

Molecular weight:

204.11101

Ref: 45-1478822

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Sotalol Related Compound C (N-{4-[2-(Isopropylamino)ethyl]phenyl}methanesulfonamide hydrochloride)

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Sotalol Related Compound C (N-{4-[2-(Isopropylamino)ethyl]phenyl}methanesulfonamide hydrochloride)

CAS:16974-44-0

Sulfonamides, nesoi

Formula:

C₁₂H₂₀N₂O₂S·HCl

Color and Shape:

White Crystalline Powder

Molecular weight:

292.10123

Ref: 45-1617430

Estimated delivery in United States, on Tuesday 15 Oct 2024

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2,3-Dimethylaniline

CAS:87-59-2

Aromatic monoamines not elsewhere specified or included and their derivatives, salts therof

Formula:

C₈H₁₁N

Color and Shape:

Clear Yellow Amber Red Brown Liquid

Molecular weight:

121.08915

Ref: 45-1211254

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Bisacodyl Related Compound B (2,4'-(Pyridin-2-ylmethylene)diphenol)

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Bisacodyl Related Compound B (2,4'-(Pyridin-2-ylmethylene)diphenol)

CAS:16985-05-0

Compounds containing an unfused pyridine ring in the structure, nesoi

Formula:

C₁₈H₁₅NO₂

Color and Shape:

White Light Yellow Powder

Molecular weight:

277.11028

Ref: 45-1074042

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Sulfamethoxazole Related Compound A (N-{4-[N-(5-methylisoxazol-3-yl)sulfamoyl]phenyl}acetamide)

CAS:21312-10-7

Sulfonamides, nesoi

Formula:

C₁₂H₁₃N₃O₄S

Color and Shape:

White Crystalline Powder

Molecular weight:

295.06268

Ref: 45-1631511

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Nicotine Related Compound E ((1RS,2S)-1-methyl-2-(pyridin-3-yl)pyrrolidine 1-oxide oxalate)

Vegetable alkaloids, natural or reproduced by synthesis, their salts and other derivatives, nesoi

Formula:

C₁₀H₁₄N₂O

Color and Shape:

White Off-White Powder

Molecular weight:

178.11061

Ref: 45-1463360

Estimated delivery in United States, on Tuesday 15 Oct 2024

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