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
Rabeprazole Related Compound B (2-{[(1H-benzo[d]imidazol-2-yl)sulfinyl]methyl}-4-(3-methoxypropoxy)-3-methylpyridine 1-oxide) REF: 45-1598031CAS: 924663-38-7	- - -	1,477.00 €	Tue 15 Oct 24
Risedronate Related Compound B ([3,6-Bis[(3-pyridinyl)methyl]-2,5-dihydroxy-2,5-dioxido-1,4,2,5-dioxadiphosphorinane-3,6-diyl]bis[phosphonic acid] disodium tetrahydrate salt) REF: 45-1604632	- - -	1,441.00 €	Tue 15 Oct 24
Phenobarbital Related Compound A (5-Ethyl-2,6-diimino-5-phenyltetrahydropyrimidin-4(1H)-one) REF: 45-1524012CAS: 69125-70-8	- - -	1,398.00 €	Tue 15 Oct 24
Dronedarone Related Compound B ((5-Amino-2-butylbenzofuran-3-yl){4-[3-(dibutylamino)propoxy]phenyl}methanone, dihydrochloride) REF: 45-1228552CAS: 1309476-91-2	- - -	887.00 €	Tue 15 Oct 24
Fexofenadine Related Compound B (2-(3-{1-Hydroxy-4-[4-(hydroxydiphenylmethyl)piperidin-1-yl]butyl}phenyl)-2-methylpropanoic acid hydrochloride monohydrate) REF: 45-1270399	- - -	1,627.00 €	Tue 15 Oct 24
Aminobutanol (1-Butanol, 2-amino-, (+/-)-) REF: 45-1020008CAS: 96-20-8	- - -	1,186.00 €	Tue 15 Oct 24
Terbinafine Related Compound B ((2Z)-N,6,6-Trimethyl-N-(naphthalen-1-ylmethyl)hept-2-en-4-yn-1-amine hydrochloride) REF: 45-1643532CAS: 176168-78-8	- - -	1,477.00 €	Tue 15 Oct 24
Triclosan Related Compounds Mixture A REF: 45-1682217	- - -	1,357.00 €	Tue 15 Oct 24
Baclofen Related Compound A (4-(4-Chlorophenyl)-2-pyrrolidinone) REF: 45-1048222CAS: 22518-27-0	- - -	1,477.00 €	Tue 15 Oct 24
Famciclovir Related Compound B (4-(2-Amino-9H-purin-9-yl)-2-(hydroxymethyl)butyl acetate) REF: 45-1269185CAS: 104227-88-5	- - -	1,371.00 €	Tue 15 Oct 24
Naphazoline Related Compound A (N-(2-Aminoethyl)-2-(naphthalen-1-yl)acetamide) REF: 45-1457017CAS: 36321-43-4	- - -	1,477.00 €	Tue 15 Oct 24
Cephalexin Related Compound D (3-Hydroxy-4-methylthiophen-2(5H)-one) REF: 45-1099041CAS: 34876-35-2	- - -	1,371.00 €	Tue 15 Oct 24
Efavirenz Related Compound B ((S,E)-6-Chloro-4-(2-Cyclopropylvinyl)-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one) REF: 45-1234147CAS: 440124-96-9	- - -	1,477.00 €	Tue 15 Oct 24
m-Aminophenol REF: 45-1026004CAS: 591-27-5	- - -	1,371.00 €	Tue 15 Oct 24
Ecamsule Related Compound D (((1SR,4RS)-7,7-dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl)methanesulfonic acid) REF: 45-1231648CAS: 5872-08-2	- - -	617.00 €	Tue 15 Oct 24
Orlistat Related Compound D Solution (2 x 1 mL ) ((3S,4R,6S)-3-Hexyl-2-oxo-6-undecyltetrahydro-2H-pyran-4-yl formyl-L-leucinate in acetonitrile) REF: 45-1478877CAS: 130793-27-0	- - -	1,539.00 €	Tue 15 Oct 24
Amrinone Related Compound C (6-Oxo-1,6-dihydro-[3,4'-bipyridine]-5-carbonitrile) REF: 45-1034363CAS: 62749-26-2	- - -	823.00 €	Tue 15 Oct 24
Ketorolac Related Compound B (5-benzoyl-2,3-dihydro-1H-pyrrolizin-1-ol) REF: 45-1356326CAS: 154476-25-2	- - -	1,371.00 €	Tue 15 Oct 24
Propofol Related Compound A (3,3',5,5'-Tetraisopropylbiphenyl-4,4'-diol) REF: 45-1572536CAS: 2416-95-7	- - -	1,371.00 €	Tue 15 Oct 24
Moexipril Related Compound A ((3S)-2-{(2S)-N-[(1S)-1-Carboxy-3-phenylpropyl]alanyl}-1,2,3,4-tetrahydro-6,7-dimethoxy-3-isoquinolinecarboxylic acid) REF: 45-1445608CAS: 103775-14-0	- - -	815.00 €	Tue 15 Oct 24

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Rabeprazole Related Compound B (2-{[(1H-benzo[d]imidazol-2-yl)sulfinyl]methyl}-4-(3-methoxypropoxy)-3-methylpyridine 1-oxide)

CAS:924663-38-7

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

Formula:

C₁₈H₂₁N₃O₄S

Color and Shape:

White Powder

Molecular weight:

375.12528

Ref: 45-1598031

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Risedronate Related Compound B ([3,6-Bis[(3-pyridinyl)methyl]-2,5-dihydroxy-2,5-dioxido-1,4,2,5-dioxadiphosphorinane-3,6-diyl]bis[phosphonic acid] disodium tetrahydrate salt)

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

Formula:

C₁₄H₁₆N₂O₁₂P₄Na₂·4H₂O

Color and Shape:

White Fine Powder

Molecular weight:

527.96537

Ref: 45-1604632

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Phenobarbital Related Compound A (5-Ethyl-2,6-diimino-5-phenyltetrahydropyrimidin-4(1H)-one)

CAS:69125-70-8

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

Formula:

C₁₂H₁₄N₄O

Color and Shape:

White Solid

Molecular weight:

230.11676

Ref: 45-1524012

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Dronedarone Related Compound B ((5-Amino-2-butylbenzofuran-3-yl){4-[3-(dibutylamino)propoxy]phenyl}methanone, dihydrochloride)

CAS:1309476-91-2

Aromatic pesticides with oxygen hetero

Formula:

C₃₀H₄₂N₂O₃·2HCl

Color and Shape:

Solid

Molecular weight:

550.2729

Ref: 45-1228552

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Fexofenadine Related Compound B (2-(3-{1-Hydroxy-4-[4-(hydroxydiphenylmethyl)piperidin-1-yl]butyl}phenyl)-2-methylpropanoic acid hydrochloride monohydrate)

Compounds containing an unfused pyridine ring in the structure, nesoi

Formula:

C₃₂H₃₉NO₄·HCl·H₂O

Color and Shape:

White Powder

Molecular weight:

555.27515

Ref: 45-1270399

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Aminobutanol (1-Butanol, 2-amino-, (+/-)-)

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Aminobutanol (1-Butanol, 2-amino-, (+/-)-)

CAS:96-20-8

Amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and …

Formula:

C₄H₁₁NO

Color and Shape:

Clear Colorless Light Yellow Liquid

Molecular weight:

89.08406

Ref: 45-1020008

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Terbinafine Related Compound B ((2Z)-N,6,6-Trimethyl-N-(naphthalen-1-ylmethyl)hept-2-en-4-yn-1-amine hydrochloride)

CAS:176168-78-8

Aromatic monoamines not elsewhere specified or included

Formula:

C₂₁H₂₅N·HCl

Color and Shape:

Off-White Powder

Molecular weight:

291.1987

Ref: 45-1643532

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Triclosan Related Compounds Mixture A

Diagnostic or lab reagents on a backing, prepared diagnostic or lab reagents whether or not …

Color and Shape:

Colorless Clear Liquid

Ref: 45-1682217

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Baclofen Related Compound A (4-(4-Chlorophenyl)-2-pyrrolidinone)

CAS:22518-27-0

Lactams, nesoi

Formula:

C₁₀H₁₀ClNO

Color and Shape:

White Crystals

Molecular weight:

195.04509

Ref: 45-1048222

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Famciclovir Related Compound B (4-(2-Amino-9H-purin-9-yl)-2-(hydroxymethyl)butyl acetate)

CAS:104227-88-5

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

Formula:

C₁₂H₁₇N₅O₃

Color and Shape:

Off-White Powder

Molecular weight:

279.13314

Ref: 45-1269185

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Naphazoline Related Compound A (N-(2-Aminoethyl)-2-(naphthalen-1-yl)acetamide)

CAS:36321-43-4

Aromatic cyclic amides (including cyclic carbamates) and their derivatives; salts thereof

Formula:

C₁₄H₁₆N₂O

Color and Shape:

Off-White Yellow Solid

Molecular weight:

228.12626

Ref: 45-1457017

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Cephalexin Related Compound D (3-Hydroxy-4-methylthiophen-2(5H)-one)

CAS:34876-35-2

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

Formula:

C₅H₆O₂S

Color and Shape:

Solid

Molecular weight:

130.00885

Ref: 45-1099041

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Efavirenz Related Compound B ((S,E)-6-Chloro-4-(2-Cyclopropylvinyl)-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one)

CAS:440124-96-9

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

Formula:

C₁₄H₁₁ClF₃NO₂

Color and Shape:

White Powder

Molecular weight:

317.04304

Ref: 45-1234147

Estimated delivery in United States, on Tuesday 15 Oct 2024

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m-Aminophenol

CAS:591-27-5

Amino-naphthols and other amino-phenols, their ethers a

Formula:

C₆H₇NO

Color and Shape:

White Pale Yellow Powder

Molecular weight:

109.12 g/mol

Ref: 45-1026004

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Ecamsule Related Compound D (((1SR,4RS)-7,7-dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl)methanesulfonic acid)

CAS:5872-08-2

Halogenated, sulfonated, nitrated or nitrosated derivat

Formula:

C₁₀H₁₆O₄S

Color and Shape:

White Beige Powder

Molecular weight:

232.07693

Ref: 45-1231648

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Orlistat Related Compound D Solution (2 x 1 mL ) ((3S,4R,6S)-3-Hexyl-2-oxo-6-undecyltetrahydro-2H-pyran-4-yl formyl-L-leucinate in acetonitrile)

CAS:130793-27-0

Diagnostic or lab reagents on a backing, prepared diagnostic or lab reagents whether or not …

Formula:

C₂₉H₅₃NO₅(OrlistatRCD)

Color and Shape:

Colorless Liquid

Molecular weight:

495.39237

Ref: 45-1478877

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Amrinone Related Compound C (6-Oxo-1,6-dihydro-[3,4'-bipyridine]-5-carbonitrile)

CAS:62749-26-2

Lactams, nesoi

Formula:

C₁₁H₇N₃O

Color and Shape:

Tan Off-White Powder

Molecular weight:

197.05891

Ref: 45-1034363

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Ketorolac Related Compound B (5-benzoyl-2,3-dihydro-1H-pyrrolizin-1-ol)

CAS:154476-25-2

Heterocyclic compounds with nitrogen hetero-atom(s) only, aromatic or modified aromatic, nesoi

Formula:

C₁₄H₁₃NO₂

Color and Shape:

Yellow Solid

Molecular weight:

227.09463

Ref: 45-1356326

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Propofol Related Compound A (3,3',5,5'-Tetraisopropylbiphenyl-4,4'-diol)

CAS:2416-95-7

Polyphenols, nesoi

Formula:

C₂₄H₃₄O₂

Color and Shape:

Yellow Powder

Molecular weight:

354.25588

Ref: 45-1572536

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Moexipril Related Compound A ((3S)-2-{(2S)-N-[(1S)-1-Carboxy-3-phenylpropyl]alanyl}-1,2,3,4-tetrah…

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Moexipril Related Compound A ((3S)-2-{(2S)-N-[(1S)-1-Carboxy-3-phenylpropyl]alanyl}-1,2,3,4-tetrahydro-6,7-dimethoxy-3-isoquinolinecarboxylic acid)

CAS:103775-14-0

Compounds (excluding drugs and pesticides) containing a

Formula:

C₂₅H₃₀N₂O₇

Color and Shape:

Powder

Molecular weight:

470.2053

Ref: 45-1445608

Estimated delivery in United States, on Tuesday 15 Oct 2024

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