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
Foscarnet Related Compound D (O,O-diethyl ethoxycarbonylphosphonate) REF: 45-1283324CAS: 1474-78-8	- - -	1,292.00 €	Tue 15 Oct 24
Balsalazide Related Compound A ((E)-5-[(p-Carboxyphenyl)azo]-2-salicylic acid, disodium salt) REF: 45-1048266CAS: 2922985-15-5	- - -	815.00 €	Tue 15 Oct 24
Ecamsule Related Compound E (Sodium ((1SR,4SR,E)-3-(4-(hydroxymethyl)benzylidene)-7,7-dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl)methanesulfonate) REF: 45-1231659	- - -	1,441.00 €	Tue 15 Oct 24
Diiodothyronine (O-(4-Hydroxylphenyl)-3,5-diiodo-L-tyrosine) REF: 45-1204339CAS: 1041-01-6	- - -	736.00 €	Tue 15 Oct 24
Acetylcysteine Related Compound C (2R,2'R)-3,3'-disulfanediylbis(2-acetamidopropanoic acid) REF: 45-1009038CAS: 5545-17-5	- - -	1,308.00 €	Tue 15 Oct 24
Dexmedetomidine Related Compound B (4-[1-(2,3-Dimethylphenyl)vinyl]-1H-imidazole) REF: 45-1176001CAS: 1021949-47-2	- - -	1,554.00 €	Tue 15 Oct 24
Acetylcysteine Related Compound D (N,S-Diacetyl-L-Cysteine) REF: 45-1009049CAS: 18725-37-6	- - -	1,308.00 €	Tue 15 Oct 24
Dexmedetomidine Related Compound A ((2,3-Dimethylphenyl)(1H-imidazol-4-yl)methanone) REF: 45-1176000CAS: 91874-85-0	- - -	1,554.00 €	Tue 15 Oct 24
Fludeoxyglucose Related Compound B (2-chloro-2-deoxy-D-glucose) REF: 45-1272929CAS: 14685-79-1	- - -	1,477.00 €	Tue 15 Oct 24
Gadoteridol Related Compound C (1,4,7,10-Tetraaza-11-oxo-bicyclo[8.2.2]tetradecane-4,7-diacetic acid) REF: 45-1287664CAS: 220182-19-4	- - -	1,292.00 €	Tue 15 Oct 24
Fosinopril Related Compound E ((4S)-4-Phenyl-1-[(R)-[(S)-1-hydroxy-2-methylpropoxy](4-phenylbutyl)phosphinyl]acetyl-L-proline propionate (ester), sodium salt) REF: 45-1283459	- - -	1,357.00 €	Tue 15 Oct 24
Methoxyethyl Phenol REF: 45-1441288CAS: 56718-71-9	- - -	1,308.00 €	Tue 15 Oct 24
Suberic Acid REF: 45-1623229CAS: 505-48-6	- - -	736.00 €	Tue 15 Oct 24
Potassium Ferrocyanide REF: 45-1548269CAS: 14459-95-1	- - -	736.00 €	Tue 15 Oct 24
Metoprolol Dimer (1,3-Bis[4-(2-methoxyethyl)phenoxy]propan-2-ol) REF: 45-1441286CAS: 230975-30-1	- - -	1,472.00 €	Tue 15 Oct 24
Potassium Ferricyanide REF: 45-1548258CAS: 13746-66-2	- - -	597.00 €	Tue 15 Oct 24
Balsalazide Related Compound B ((E)-5-({m-[(2-Carboxyethyl)carbamoyl]phenyl}azo)-2-salicylic acid) REF: 45-1048277CAS: 1798395-96-6	- - -	865.00 €	Tue 15 Oct 24
Flurazepam Related Compound C (5-Chloro-2-(2-diethylaminoethylamino)-2'-fluorobenzophenone hydrochloride) REF: 45-1285308CAS: 19347-55-8	- - -	617.00 €	Tue 15 Oct 24
Vigabatrin Related Compound E (2-(2-Aminobut-3-enyl)malonic acid) REF: 45-1712045CAS: 1378466-25-1	- - -	1,552.00 €	Tue 15 Oct 24
Diacetylfluorescein REF: 45-1182000CAS: 596-09-8	- - -	434.00 €	Tue 15 Oct 24

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Foscarnet Related Compound D (O,O-diethyl ethoxycarbonylphosphonate)

CAS:1474-78-8

Non-halogenated organo-phosphorous derivatives, nesoi

Formula:

C₇H₁₅O₅P

Color and Shape:

Colorless Yellow Clear Liquid

Molecular weight:

210.06571

Ref: 45-1283324

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Balsalazide Related Compound A ((E)-5-[(p-Carboxyphenyl)azo]-2-salicylic acid, disodium salt)

CAS:2922985-15-5

Diazo-, azo-, or azoxy-compounds

Formula:

C₁₄H₈N₂Na₂O₅

Color and Shape:

Orange Powder

Molecular weight:

330.02286

Ref: 45-1048266

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Ecamsule Related Compound E (Sodium ((1SR,4SR,E)-3-(4-(hydroxymethyl)benzylidene)-7,7-dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl)methanesulfonate)

Ketones and quinones, w/not with other oxygen function,and their halogenated,sulfated,nitrated,or nitrosated derivatives, nesoi

Formula:

C₁₈H₂₁NaO₅S

Color and Shape:

White Powder

Molecular weight:

372.10074

Ref: 45-1231659

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Diiodothyronine (O-(4-Hydroxylphenyl)-3,5-diiodo-L-tyrosine)

CAS:1041-01-6

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

Formula:

C₁₅H₁₃I₂NO₄

Color and Shape:

Off-White Light Yellow Powder

Molecular weight:

524.8934

Ref: 45-1204339

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Acetylcysteine Related Compound C (2R,2'R)-3,3'-disulfanediylbis(2-acetamidopropanoic acid)

CAS:5545-17-5

Organo-sulfur compounds, nesoi

Formula:

C₁₀H₁₆N₂O₆S₂

Color and Shape:

White Crystalline Powder

Molecular weight:

324.04498

Ref: 45-1009038

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Dexmedetomidine Related Compound B (4-[1-(2,3-Dimethylphenyl)vinyl]-1H-imidazole)

CAS:1021949-47-2

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

Formula:

C₁₃H₁₄N₂

Color and Shape:

White Off-White Powder

Molecular weight:

198.1157

Ref: 45-1176001

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Acetylcysteine Related Compound D (N,S-Diacetyl-L-Cysteine)

CAS:18725-37-6

Other organo-sulfur acid compounds

Formula:

C₇H₁₁NO₄S

Color and Shape:

White Solid

Molecular weight:

205.04088

Ref: 45-1009049

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Dexmedetomidine Related Compound A ((2,3-Dimethylphenyl)(1H-imidazol-4-yl)methanone)

CAS:91874-85-0

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

Formula:

C₁₂H₁₂N₂O

Color and Shape:

White Powder

Molecular weight:

200.09496

Ref: 45-1176000

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Fludeoxyglucose Related Compound B (2-chloro-2-deoxy-D-glucose)

CAS:14685-79-1

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

Formula:

C₆H₁₁ClO₅

Color and Shape:

White Off-White Powder

Molecular weight:

198.0295

Ref: 45-1272929

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Gadoteridol Related Compound C (1,4,7,10-Tetraaza-11-oxo-bicyclo[8.2.2]tetradecane-4,7-diacetic acid)

CAS:220182-19-4

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

Formula:

C₁₄H₂₄N₄O₅

Color and Shape:

White Light Yellow Powder

Molecular weight:

328.17467

Ref: 45-1287664

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Fosinopril Related Compound E ((4S)-4-Phenyl-1-[(R)-[(S)-1-hydroxy-2-methylpropoxy](4-phenylbutyl)phosphinyl]acetyl-L-proline propionate (ester), sodium salt)

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

Formula:

C₃₀H₃₉NNaO₇P

Color and Shape:

White Powder

Molecular weight:

579.23618

Ref: 45-1283459

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Methoxyethyl Phenol

CAS:56718-71-9

Ether-phenols, ether-alcohol-phenols and their halogenated, sulfonated, nitrated or nitrosated derivatives

Formula:

C₉H₁₂O₂

Color and Shape:

White Powder

Molecular weight:

152.08373

Ref: 45-1441288

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Suberic Acid

CAS:505-48-6

Acyclic polycarboxylic acids and their anhydrides, halides, peroxides and their derivatives, nesoi

Formula:

C₈H₁₄O₄

Color and Shape:

Off-White Powder

Molecular weight:

174.08921

Ref: 45-1623229

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Potassium Ferrocyanide

CAS:14459-95-1

Complex cyanides

Formula:

K₄Fe(CN)₆·3H₂O

Color and Shape:

Yellow Crystals

Molecular weight:

421.8399

Ref: 45-1548269

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Metoprolol Dimer (1,3-Bis[4-(2-methoxyethyl)phenoxy]propan-2-ol)

CAS:230975-30-1

Ether-alcohols and their halogenated, sulfonated, nitrated or nitrosated derivatives, nesoi

Formula:

C₂₁H₂₈O₅

Color and Shape:

Colorless Light Yellow Liquid

Molecular weight:

360.19367

Ref: 45-1441286

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Potassium Ferricyanide

CAS:13746-66-2

Complex cyanides

Formula:

K₃Fe(CN)₆

Molecular weight:

328.8445

Ref: 45-1548258

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Balsalazide Related Compound B ((E)-5-({m-[(2-Carboxyethyl)carbamoyl]phenyl}azo)-2-salicylic acid)

CAS:1798395-96-6

Diazo-, azo-, or azoxy-compounds

Formula:

C₁₇H₁₅N₃O₆

Color and Shape:

Orange Brown Powder

Molecular weight:

357.09609

Ref: 45-1048277

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Flurazepam Related Compound C (5-Chloro-2-(2-diethylaminoethylamino)-2'-fluorobenzophenone hydrochloride)

CAS:19347-55-8

Amino-aldehydes, amino-ketones and amino-quinones, other than those containing more than one kind of oxygen function; …

Formula:

C₁₉H₂₂ClFN₂O·HCl

Color and Shape:

Yellow Crystalline Powder

Molecular weight:

384.11715

Ref: 45-1285308

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Vigabatrin Related Compound E (2-(2-Aminobut-3-enyl)malonic acid)

CAS:1378466-25-1

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

Formula:

C₇H₁₁NO₄

Color and Shape:

White Off-White Powder

Molecular weight:

173.06881

Ref: 45-1712045

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Diacetylfluorescein

CAS:596-09-8

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

Formula:

C₂₄H₁₆O₇

Color and Shape:

Pale Yellow Tan Powder

Molecular weight:

416.0896

Ref: 45-1182000

Estimated delivery in United States, on Tuesday 15 Oct 2024

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