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
Metoprolol Related Compound D ((+/-)N,N-bis-[2-hydroxy-3-[4-(2-methoxyethyl)phenoxy]propyl](1-methylethyl)amine hydrochloride) REF: 45-1441265CAS: 1486464-40-7	- - -	1,469.00 €	Tue 15 Oct 24
Acetaminophen Related Compound C (N-(2-hydroxyphenyl)acetamide) REF: 45-1003031CAS: 614-80-2	- - -	1,371.00 €	Tue 15 Oct 24
Triclocarban Related Compound D Mixture (Mixture of 3,5-Bis(4-chlorophenyl)-1-(3,4-dichlorophenyl)biuret and 1,5-Bis(4-chlorophenyl)-3-(3,4-dichlorophenyl)biuret) REF: 45-1681856	- - -	581.00 €	Tue 15 Oct 24
Ethyl Benzoate REF: 45-1265479CAS: 93-89-0	- - -	1,047.00 €	Tue 15 Oct 24
Repaglinide Related Compound E ((R)-2-Ethoxy-4-[2-({3-methyl-1-[2-(piperidin-1-yl)phenyl]butyl}amino)-2-oxoethyl]benzoic acid) REF: 45-1600868CAS: 147852-26-4	- - -	2,579.00 €	Tue 15 Oct 24
Tenivastatin Calcium (Calcium (3R,5R)-7-{(1S,2S,6R,8S,8aR)-8-[(2,2-dimethylbutanoyl)oxy]-2,6-dimethyl-1,2,6,7,8,8a-hexahydronaphthalen-1-yl}-3,5-dihydroxyheptanoate (1:2) monohydrate) REF: 45-1612719CAS: 530112-57-3	- - -	1,478.00 €	Tue 15 Oct 24
Piroctone Related Compound B (4-methyl-6-(2,4,4-trimethylpentyl)-2H-pyran-2-one) REF: 45-1544428CAS: 50650-75-4	- - -	687.00 €	Tue 15 Oct 24
Econazole Related Compound B (2-[(4-Chlorobenzyl)oxy]-2-(2,4-dichlorophenyl)ethanamine nitrate) REF: 45-1231841	- - -	1,552.00 €	Tue 15 Oct 24
Cetirizine Related Compound G (2-{4-[(4-Chlorophenyl)phenylmethyl]piperazin-1-yl}ethanol dihydrochloride) REF: 45-1102963	- - -	1,374.00 €	Tue 15 Oct 24
o-Iodohippuric Acid REF: 45-1344305CAS: 147-58-0	- - -	408.00 €	Tue 15 Oct 24
Xanthone REF: 45-1720203CAS: 90-47-1	- - -	1,292.00 €	Tue 15 Oct 24
Acetaminophen Related Compound B (N-(4-hydroxyphenyl)propanamide) REF: 45-1003027CAS: 1693-37-4	- - -	1,371.00 €	Tue 15 Oct 24
Ibandronate Related Compound A (3-[Methyl(pentyl)amino]propanoic acid hydrochloride) REF: 45-1335428CAS: 625120-81-2	- - -	1,371.00 €	Tue 15 Oct 24
Lacosamide Related Compound F (2-Acetamido-N-benzyl-3-hydroxypropanamide) REF: 45-1357170CAS: 171623-02-2	- - -	1,426.00 €	Tue 15 Oct 24
Almotriptan Related Compound D (1-[({3-[2-(dimethylamino)ethyl]indol-5-yl}methyl)sulfonyl]pyrrolidine N-oxide hydrochloride) REF: 45-1013567	- - -	2,167.00 €	Tue 15 Oct 24
Temazepam Related Compound A (5-chloro-2-methylaminobenzophenone) REF: 45-1644319CAS: 1022-13-5	- - -	775.00 €	Tue 15 Oct 24
Chloramphenicol Palmitate Polymorph A REF: 45-1107503CAS: 530-43-8	- - -	775.00 €	Tue 15 Oct 24
Prednicarbate Related Compound B (Prednisolone-17-ethylcarbonate) REF: 45-1554920CAS: 104286-02-4	- - -	581.00 €	Tue 15 Oct 24
Heptamethyl Trisiloxane (1,1,1,3,5,5,5-Heptamethyltrisiloxane) REF: 45-1228075CAS: 1873-88-7	- - -	293.00 €	Tue 15 Oct 24
Cladribine Related Compound A (2-methoxy-2'-deoxyadenosine) REF: 45-1134211CAS: 24757-70-8	- - -	1,603.00 €	Tue 15 Oct 24

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Metoprolol Related Compound D ((+/-)N,N-bis-[2-hydroxy-3-[4-(2-methoxyethyl)phenoxy]propyl](1-methylethyl)amine hydrochloride)

CAS:1486464-40-7

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

Formula:

C₂₇H₄₁NO₆·HCl

Color and Shape:

White Powder

Molecular weight:

475.29339

Ref: 45-1441265

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Acetaminophen Related Compound C (N-(2-hydroxyphenyl)acetamide)

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Acetaminophen Related Compound C (N-(2-hydroxyphenyl)acetamide)

CAS:614-80-2

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

Formula:

C₈H₉NO₂

Color and Shape:

Tan Powder

Molecular weight:

151.06333

Ref: 45-1003031

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Triclocarban Related Compound D Mixture (Mixture of 3,5-Bis(4-chlorophenyl)-1-(3,4-dichlorophenyl)biuret and 1,5-Bis(4-chlorophenyl)-3-(3,4-dichlorophenyl)biuret)

Ureines and their derivatives; salts thereof

Formula:

C₂₀H₁₃Cl₄N₃O₂

Color and Shape:

Powder

Molecular weight:

466.97619

Ref: 45-1681856

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Ethyl Benzoate

CAS:93-89-0

Benzoic acid, its salts and esters

Formula:

C₉H₁₀O₂

Color and Shape:

Colorless Liquid

Molecular weight:

150.06808

Ref: 45-1265479

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Repaglinide Related Compound E ((R)-2-Ethoxy-4-[2-({3-methyl-1-[2-(piperidin-1-yl)phenyl]butyl}ami…

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Repaglinide Related Compound E ((R)-2-Ethoxy-4-[2-({3-methyl-1-[2-(piperidin-1-yl)phenyl]butyl}amino)-2-oxoethyl]benzoic acid)

CAS:147852-26-4

Compounds containing an unfused pyridine ring in the structure, nesoi

Formula:

C₂₇H₃₆N₂O₄

Color and Shape:

Powder

Molecular weight:

452.26751

Ref: 45-1600868

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Tenivastatin Calcium (Calcium (3R,5R)-7-{(1S,2S,6R,8S,8aR)-8-[(2,2-dimethylbutanoyl)oxy]-2,6-dime…

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Tenivastatin Calcium (Calcium (3R,5R)-7-{(1S,2S,6R,8S,8aR)-8-[(2,2-dimethylbutanoyl)oxy]-2,6-dimethyl-1,2,6,7,8,8a-hexahydronaphthalen-1-yl}-3,5-dihydroxyheptanoate (1:2) monohydrate)

CAS:530112-57-3

Lactones nesoi

Formula:

C₅₀H₇₈CaO₁₂·H₂O

Color and Shape:

White Powder

Molecular weight:

928.52248

Ref: 45-1612719

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Piroctone Related Compound B (4-methyl-6-(2,4,4-trimethylpentyl)-2H-pyran-2-one)

CAS:50650-75-4

Heterocyclic compounds with oxygen hetero-atom(s) only

Formula:

C₁₄H₂₂O₂

Color and Shape:

Colorless Liquid

Molecular weight:

222.16198

Ref: 45-1544428

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Econazole Related Compound B (2-[(4-Chlorobenzyl)oxy]-2-(2,4-dichlorophenyl)ethanamine nitrate)

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

Formula:

C₁₅H₁₄Cl₃NO·HNO₃

Color and Shape:

White Powder

Molecular weight:

329.0141

Ref: 45-1231841

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Cetirizine Related Compound G (2-{4-[(4-Chlorophenyl)phenylmethyl]piperazin-1-yl}ethanol dihydrochloride)

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

Formula:

C₁₉H₂₃ClN₂O·2HCl

Color and Shape:

Solid

Molecular weight:

402.10325

Ref: 45-1102963

Estimated delivery in United States, on Tuesday 15 Oct 2024

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o-Iodohippuric Acid

CAS:147-58-0

Aromatic cyclic amides (including cyclic carbamates) an

Formula:

C₉H₈INO₃

Color and Shape:

Powder

Molecular weight:

304.95489

Ref: 45-1344305

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Xanthone

CAS:90-47-1

Aromatic pesticides with oxygen hetero-atom(s) only ne

Formula:

C₁₃H₈O₂

Color and Shape:

White Powder

Molecular weight:

196.05243

Ref: 45-1720203

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Acetaminophen Related Compound B (N-(4-hydroxyphenyl)propanamide)

CAS:1693-37-4

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

Formula:

C₉H₁₁NO₂

Color and Shape:

White Brown Powder

Molecular weight:

165.07898

Ref: 45-1003027

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Ibandronate Related Compound A (3-[Methyl(pentyl)amino]propanoic acid hydrochloride)

CAS:625120-81-2

Amino-acids (excluding aromatic) and their esters other than those containing more than one kind of …

Formula:

C₉H₁₉NO₂·HCl

Color and Shape:

White Yellow Powder

Molecular weight:

173.14158

Ref: 45-1335428

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Lacosamide Related Compound F (2-Acetamido-N-benzyl-3-hydroxypropanamide)

CAS:171623-02-2

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

Formula:

C₁₂H₁₆N₂O₃

Color and Shape:

White Powder

Molecular weight:

236.11609

Ref: 45-1357170

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Almotriptan Related Compound D (1-[({3-[2-(dimethylamino)ethyl]indol-5-yl}methyl)sulfonyl]pyrrolidine N-oxide hydrochloride)

Aromatic or modified aromatic drugs with nitrogen hetero

Formula:

C₁₇H₂₅N₃O₃S

Color and Shape:

Powder

Molecular weight:

351.16166

Ref: 45-1013567

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Temazepam Related Compound A (5-chloro-2-methylaminobenzophenone)

CAS:1022-13-5

Heterocyclic compounds (excluding aromatic or modified

Formula:

C₁₄H₁₂ClNO

Color and Shape:

Powder

Molecular weight:

245.06074

Ref: 45-1644319

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Chloramphenicol Palmitate Polymorph A

CAS:530-43-8

Chloramphenicol and its derivatives; salts thereof

Formula:

C₂₇H₄₂Cl₂N₂O₆

Color and Shape:

Off-White Powder

Molecular weight:

560.24199

Ref: 45-1107503

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Prednicarbate Related Compound B (Prednisolone-17-ethylcarbonate)

CAS:104286-02-4

Adrenal cortical hormones and their derivatives nesoi

Formula:

C₂₄H₃₂₀₇

Color and Shape:

White Crystalline Powder

Molecular weight:

3520.09488

Ref: 45-1554920

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Heptamethyl Trisiloxane (1,1,1,3,5,5,5-Heptamethyltrisiloxane)

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Heptamethyl Trisiloxane (1,1,1,3,5,5,5-Heptamethyltrisiloxane)

CAS:1873-88-7

Organo-inorganic compounds, nesoi

Formula:

C₇H₂₂O₂Si₃

Color and Shape:

Liquid

Molecular weight:

222.09276

Ref: 45-1228075

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Cladribine Related Compound A (2-methoxy-2'-deoxyadenosine)

CAS:24757-70-8

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

Formula:

C₁₁H₁₅N₅O₄

Color and Shape:

White Off-White Crystalline Powder

Molecular weight:

281.1124

Ref: 45-1134211

Estimated delivery in United States, on Tuesday 15 Oct 2024

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