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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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BrandProduct dataPurityPrice rangeEstimated delivery
TRC logo
2-​(Diethylamino)​-​N-​(2,​4-​dimethylphenyl)​acetamide Hydrochloride
REF: TR-D441920CAS: 17289-54-2 		- - -317.00 €~2,118.00 €Mon 28 Oct 24
TRC logo
pre-Calcitriol PTAD Adduct (Mixture of Diastereomers)
REF: TR-C144520CAS: 86307-44-0 		- - -430.00 €~2,244.00 €Mon 28 Oct 24
TRC logo
Fosinoprilat
REF: TR-F727815CAS: 95399-71-6 		- - -319.00 €~2,102.00 €Mon 28 Oct 24
TRC logo
(E/Z)-4-Hydroxy Tamoxifen
REF: TR-H954705CAS: 68392-35-8 		- - -89.00 €~201.00 €Mon 28 Oct 24
TRC logo
Glycidol
REF: TR-G615700CAS: 556-52-5 		- - -106.00 €~179.00 €Mon 28 Oct 24
TRC logo
Azithromycin-d3
REF: TR-A927002CAS: 163921-65-1 		- - -280.00 €~1,938.00 €Mon 28 Oct 24
TRC logo
4-(2-Methylpropyl)piperidine-2,6-dione
REF: TR-M327390CAS: 916982-10-0 		- - -228.00 €~461.00 €Mon 28 Oct 24
TRC logo
1,2,3,4,5-Pentabromo-6-(2,3,4,5-tetrabromophenoxy)benzene
REF: TR-P237860CAS: 63387-28-0 		- - -320.00 €~2,059.00 €Mon 28 Oct 24
TRC logo
3,5-Dinitrosalicylhydrazide-15N2
REF: TR-D480317CAS: 1346598-09-1 		- - -341.00 €~2,190.00 €Mon 28 Oct 24
TRC logo
N-[2-[(Methylamino)carbonyl]benzoyl] Amlodipine
REF: TR-M285800CAS: 721958-72-1 		- - -248.00 €~1,673.00 €Mon 28 Oct 24
TRC logo
4'-Acetyl Simvastatin
REF: TR-A187795CAS: 145576-25-6 		- - -462.00 €~3,159.00 €Mon 28 Oct 24
TRC logo
N,N-Dimethylaminoethanol Phosphate (~70%)
REF: TR-D471010CAS: 6909-62-2 		~70%245.00 €~1,618.00 €Mon 28 Oct 24
TRC logo
10a-Methoxy-9,10-dihydrolysergol
REF: TR-M262280CAS: 35121-60-9 		- - -305.00 €~2,012.00 €Mon 28 Oct 24
TRC logo
a-Μethyl-6-benzofuran Ethanamine Ηydrochloride(6-APB Hydrochloride)
REF: TR-M288950CAS: 286834-84-2 		- - -157.00 €~192.00 €Mon 28 Oct 24
TRC logo
N-Methyl-3-phenylpropylamine
REF: TR-M325690CAS: 23580-89-4 		- - -140.00 €~256.00 €Mon 28 Oct 24
TRC logo
Ampicillin-d5(Mixture of Diastereomers)
REF: TR-A634302CAS: 1426173-65-0 		- - -288.00 €~1,959.00 €Mon 28 Oct 24
TRC logo
2-Hydroxymethyl Loratadine
REF: TR-H947745CAS: 609806-39-5 		- - -236.00 €~1,572.00 €Mon 28 Oct 24
TRC logo
(3-Benzoylphenyl)acetonitrile
REF: TR-B208350CAS: 21288-34-6 		- - -223.00 €~1,636.00 €Mon 28 Oct 24
TRC logo
Didesmethyl Erlotinib Hydrochloride Salt
REF: TR-D441105CAS: 183320-12-9 		- - -373.00 €Mon 28 Oct 24
TRC logo
N-Methyl-N’-nitrosopiperazine-d4
REF: TR-M325803CAS: 756524-88-6 		- - -366.00 €~1,370.00 €Mon 28 Oct 24
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2-​(Diethylamino)​-​N-​(2,​4-​dimethylphenyl)​acetamide Hydrochloride
TRC logo
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2-​(Diethylamino)​-​N-​(2,​4-​dimethylphenyl)​acetamide Hydrochloride

CAS:17289-54-2
Impurity Lidocaine EP impurity I Applications 2-(Diethylamino)-N-(2,4-dimethylphenyl)acetamide is a Lidocaine (L397800) derivative with reduced local …
Formula:
C14H22N2O·ClH
Color and Shape:
White To Off-White
Molecular weight:
270.80

Ref: TR-D441920

250mg317.00 €
2500mg2,118.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
pre-Calcitriol PTAD Adduct (Mixture of Diastereomers)
TRC logo
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pre-Calcitriol PTAD Adduct (Mixture of Diastereomers)

Controlled Product
CAS:86307-44-0
Applications Calcitriol (C144500) impurity. 1α-Hydroxyvitamin D and 1α-hydroxyprevitamin D compounds were prepared in multistep syntheses …
Formula:
C35H49N3O5
Color and Shape:
White To Off-White
Molecular weight:
591.78

Ref: TR-C144520

1mg430.00 €
10mg2,244.00 €
2500µg925.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
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Fosinoprilat
TRC logo
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Fosinoprilat

Controlled Product
CAS:95399-71-6
Impurity Fosinopril EP Impurity A Stability Hygroscopic Applications Fosinoprilat (Fosinopril EP Impurity A) is a …
Formula:
C23H34NO5P
Color and Shape:
Neat
Molecular weight:
435.493

Ref: TR-F727815

5mg319.00 €
50mg2,102.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
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discount label
(E/Z)-4-Hydroxy Tamoxifen
TRC logo
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(E/Z)-4-Hydroxy Tamoxifen

Controlled Product
CAS:68392-35-8
Applications (E/Z)-4-Hydroxy Tamoxifen is selective estrogen receptor modulator. References Levenson, A., et al.: Cancer Lett., …
Formula:
C26H29NO2
Color and Shape:
Neat
Molecular weight:
387.51

Ref: TR-H954705

5mg89.00 €
10mg98.00 €
25mg201.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
Glycidol
TRC logo
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Glycidol

Controlled Product
CAS:556-52-5
Applications Stabilizer in manufacturing of vinyl polymers; intermediate in synthesis of glycerol, glycidyl ethers, and …
Formula:
C3H6O2
Color and Shape:
Colourless
Molecular weight:
74.08

Ref: TR-G615700

1g106.00 €
5g121.00 €
25g179.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
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discount label
Azithromycin-d3
TRC logo
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Azithromycin-d3

Controlled Product
CAS:163921-65-1
Applications Semi-synthetic macrolide antibiotic; related to Erythromycin A. Antibacterial. References Langtry, H.D., et al.: Drugs, …
Formula:
C38H3H69N2O12
Color and Shape:
Off-White
Molecular weight:
752.00

Ref: TR-A927002

1mg280.00 €
10mg1,938.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
4-(2-Methylpropyl)piperidine-2,6-dione
TRC logo
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4-(2-Methylpropyl)piperidine-2,6-dione

CAS:916982-10-0
Formula:
C9H15NO2
Color and Shape:
White Solid
Molecular weight:
169.22

Ref: TR-M327390

25mg228.00 €
100mg321.00 €
250mg461.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
1,2,3,4,5-Pentabromo-6-(2,3,4,5-tetrabromophenoxy)benzene
TRC logo
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1,2,3,4,5-Pentabromo-6-(2,3,4,5-tetrabromophenoxy)benzene

Controlled Product
CAS:63387-28-0
Applications 1,2,3,4,5-Pentabromo-6-(2,3,4,5-tetrabromophenoxy)benzene is a polybrominated diphenyl ethers (PBDEs) found as a contaminant in soil. References …
Formula:
C12HBr9O
Color and Shape:
Off-White To Dark Red
Molecular weight:
880.27

Ref: TR-P237860

1mg320.00 €
10mg2,059.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
3,5-Dinitrosalicylhydrazide-15N2
TRC logo
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3,5-Dinitrosalicylhydrazide-15N2

Controlled Product
CAS:1346598-09-1
Applications Labelled Nifursol (N458700) metabolite. References Shen, Y. et al.: Faming Zhuanli Shenqing 13 (2009)
Formula:
C7H6N215N2O6
Color and Shape:
Light Yellow
Molecular weight:
244.13

Ref: TR-D480317

1mg341.00 €
10mg2,190.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
N-[2-[(Methylamino)carbonyl]benzoyl] Amlodipine
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N-[2-[(Methylamino)carbonyl]benzoyl] Amlodipine

CAS:721958-72-1
Impurity Amlodipine EP Impurity B Applications Amlodipine Besilate (A633500) impurity. Amlodipine EP Impurity B References …
Formula:
C29H32ClN3O7
Color and Shape:
Beige
Molecular weight:
570.03

Ref: TR-M285800

50mg248.00 €
500mg1,673.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
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discount label
4'-Acetyl Simvastatin
TRC logo
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4'-Acetyl Simvastatin

Controlled Product
CAS:145576-25-6
Impurity Simvastatin EP Impurity B Applications 4'-Acetyl Simvastatin (Simvastatin EP Impurity B) is a Simvastatin …
Formula:
C27H40O6
Color and Shape:
White To Off-White
Molecular weight:
460.60

Ref: TR-A187795

10mg462.00 €
100mg3,159.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
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discount label
N,N-Dimethylaminoethanol Phosphate (~70%)
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N,N-Dimethylaminoethanol Phosphate (~70%)

Controlled Product
CAS:6909-62-2
Applications N,N-Dimethylaminoethanol Phosphate is a metabolite of Dimethylaminoethanol, a precursor to the neurotransmitter acetylcholine. Not …
Formula:
C4H12NO4P
Purity:
~70%
Color and Shape:
Neat
Molecular weight:
169.12

Ref: TR-D471010

5mg245.00 €
50mg1,618.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
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discount label
10a-Methoxy-9,10-dihydrolysergol
TRC logo
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10a-Methoxy-9,10-dihydrolysergol

Controlled Product
CAS:35121-60-9
Applications 10α-Methoxy-9,10-dihydrolysergol is a derivative of Lysergol and Dehydrolysergol-I which act as partial agonists and …
Formula:
C17H22N2O2
Color and Shape:
Light Orange Colour To Light Brown
Molecular weight:
286.37

Ref: TR-M262280

25mg2,012.00 €
2500µg305.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
a-Μethyl-6-benzofuran Ethanamine Ηydrochloride(6-APB Hydrochloride)
TRC logo
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a-Μethyl-6-benzofuran Ethanamine Ηydrochloride(6-APB Hydrochloride)

Controlled Product
CAS:286834-84-2
Applications 6-APB or Benfamine is a chemical of the phenethylamine and amphetamine classes. 6-APB is …
Formula:
C11H13NO·ClH
Color and Shape:
White
Molecular weight:
211.69

Ref: TR-M288950

5mg157.00 €
10mg192.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
N-Methyl-3-phenylpropylamine
TRC logo
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N-Methyl-3-phenylpropylamine

Controlled Product
CAS:23580-89-4
Impurity Fluoxetine EP Impurity B; Fluoxetine USP Related Compound B Applications N-Methyl-3-phenylpropylamine (Fluoxetine EP Impurity …
Formula:
C10H15N
Color and Shape:
Neat
Molecular weight:
149.23

Ref: TR-M325690

25mg140.00 €
100mg180.00 €
250mg256.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
Ampicillin-d5(Mixture of Diastereomers)
TRC logo
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Ampicillin-d5(Mixture of Diastereomers)

Controlled Product
CAS:1426173-65-0
Stability Hygroscopic Applications Labelled Ampicillin. Orally active, semi-synthetic antibiotic; structurally related to penicillin. Antibacterial. References …
Formula:
C16D5H14N3O4S
Color and Shape:
White To Light Yellow
Molecular weight:
354.44

Ref: TR-A634302

1mg288.00 €
10mg1,959.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
2-Hydroxymethyl Loratadine
TRC logo
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2-Hydroxymethyl Loratadine

Controlled Product
CAS:609806-39-5
Impurity Loratadine 2-Hydroxymethyl Impurity (USP) Applications A usual impurity in Loratadine syrup formulations, a nonsedating-type …
Formula:
C23H25ClN2O3
Color and Shape:
Neat
Molecular weight:
412.91

Ref: TR-H947745

1mg236.00 €
5mg1,019.00 €
10mg1,572.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
(3-Benzoylphenyl)acetonitrile
TRC logo
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(3-Benzoylphenyl)acetonitrile

CAS:21288-34-6
Impurity Ketoprofen EP Impurity I Applications (3-Benzoylphenyl)acetonitrile (Ketoprofen EP Impurity I) is a Ketoprofen intermediate. …
Formula:
C15H11NO
Color and Shape:
Colourless To Light Yellow
Molecular weight:
221.25

Ref: TR-B208350

250mg223.00 €
2500mg1,636.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
Didesmethyl Erlotinib Hydrochloride Salt
TRC logo
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Didesmethyl Erlotinib Hydrochloride Salt

Controlled Product
CAS:183320-12-9
Applications A metabolite of Erlotinib (E625000).
Formula:
C20H19N3O4·ClH
Color and Shape:
Neat
Molecular weight:
401.84

Ref: TR-D441105

1mg373.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
N-Methyl-N’-nitrosopiperazine-d4
TRC logo
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N-Methyl-N’-nitrosopiperazine-d4

Controlled Product
CAS:756524-88-6
Applications N-Methyl-N’-nitrosopiperazine-d4 is the isotope labelled analog of N-Methyl-N’-nitrosopiperazine (M325800), which is used as a …
Formula:
C5H4H7N3O
Color and Shape:
Light Yellow To Orange
Molecular weight:
133.185

Ref: TR-M325803

5mg366.00 €
10mg649.00 €
25mg1,370.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
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