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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
4-Epi Doxycycline (>70%)
REF: TR-E585900CAS: 6543-77-7 		>70%495.00 €~6,097.00 €Mon 28 Oct 24
TRC logo
Tenofovir Isopropyl Ethyl Diester
REF: TR-T018530CAS: 1422284-16-9 		- - -381.00 €~2,627.00 €Mon 28 Oct 24
TRC logo
17a-Hydroxymethyl-17b-methyl-18-norandrosta-1,4,13-trien-3-one
REF: TR-H947965CAS: 1203575-20-5 		- - -598.00 €~4,069.00 €Mon 28 Oct 24
TRC logo
21-Hydroxy Deschloromometasone Furoate (Impurity)Mometasone Furoate Impurity H
REF: TR-H948730CAS: 148596-90-1 		- - -795.00 €~2,102.00 €Mon 28 Oct 24
TRC logo
trans-Hydroxy Perhexiline(Mixture of Diastereomers)
REF: TR-H948910CAS: 917877-74-8 		- - -583.00 €Mon 28 Oct 24
TRC logo
5-Methyl-2-[(2-nitrophenyl)amino]-3-thiophenecarbonitrile
REF: TR-M325570CAS: 138564-59-7 		- - -315.00 €~763.00 €Mon 28 Oct 24
TRC logo
6-Amino-1,3-dimethyluracil
REF: TR-A607750CAS: 6642-31-5 		- - -83.00 €Mon 28 Oct 24
TRC logo
2-(2-Aminoethyl)-3-(4-chlorophenyl)-3-hydroxyphthalimidine-d4 Hydrochloride (Mazindol Metabolite)
REF: TR-A608912CAS: 1276611-52-9 		- - -270.00 €~1,810.00 €Mon 28 Oct 24
TRC logo
Dideiodo Amiodarone Hydrochloride
REF: TR-D439425CAS: 95820-13-6 		- - -259.00 €~1,728.00 €Mon 28 Oct 24
TRC logo
2-Ethylhexyl Salicylate-d4
REF: TR-E918777CAS: 118-60-5 		- - -218.00 €~1,117.00 €Mon 28 Oct 24
TRC logo
Olmesartan Acid
REF: TR-O550001CAS: 144689-24-7 		- - -109.00 €~464.00 €Mon 28 Oct 24
TRC logo
Benfotiamine-Amide
REF: TR-B136003CAS: 22457-89-2 		- - -219.00 €~1,538.00 €Mon 28 Oct 24
TRC logo
1,2-Benzenedicarboxylic Acid 1-(7-Methyloctyl) Ester
REF: TR-B185500CAS: 106610-61-1 		- - -362.00 €~2,360.00 €Mon 28 Oct 24
TRC logo
Cyclopropyl-d5-amine
REF: TR-C989143CAS: 153557-95-0 		- - -190.00 €~1,866.00 €Mon 28 Oct 24
TRC logo
rac N-Bisdesmethyl Tramadol, Hydrochloride
REF: TR-B426130CAS: 541505-91-3 		- - -240.00 €~309.00 €Mon 28 Oct 24
TRC logo
N-(2,6-Dimethylphenyl)-2-(ethylmethylamino)acetamide Hydrochloride
REF: TR-D476800CAS: 50295-20-0 		- - -337.00 €~2,128.00 €Mon 28 Oct 24
TRC logo
Deacetylcephalothin Lactone
REF: TR-D198215CAS: 10590-10-0 		- - -277.00 €~1,942.00 €Mon 28 Oct 24
TRC logo
2-(3-Cyano-4-hydroxyphenyl)-4-methyl-1,3-thiazole-5-carboxylic Acid Ethyl Ester
REF: TR-C981365CAS: 161798-02-3 		- - -228.00 €~317.00 €Mon 28 Oct 24
TRC logo
4’-(Trifluoromethyl)valerophenone-(E)-O-2-(2-aminoethyl) Oxime Maleate
REF: TR-T791950		- - -326.00 €~2,176.00 €Mon 28 Oct 24
TRC logo
1,3-Dimethyl-4-amino-5-(formylamino)uracil
REF: TR-A609570CAS: 7597-60-6 		- - -317.00 €~2,092.00 €Mon 28 Oct 24
discount label
4-Epi Doxycycline (>70%)
TRC logo
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4-Epi Doxycycline (>70%)

Controlled Product
CAS:6543-77-7
Impurity Doxycycline EP Impurity C Stability Light Sensitive, Unstable in Solution Applications An alternative to …
Formula:
C22H24N2O8
Purity:
>70%
Color and Shape:
Yellow Solid
Molecular weight:
444.43

Ref: TR-E585900

1mg813.00 €
10mg6,097.00 €
500µg495.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
Tenofovir Isopropyl Ethyl Diester
TRC logo
+ info

Tenofovir Isopropyl Ethyl Diester

Controlled Product
CAS:1422284-16-9
Stability Hygroscopic Applications Tenofovir Disopropyl Ethyl Diester is an impurity of Tenofovir (T018500), an acyclic …
Formula:
C18H28N5O10P
Color and Shape:
Neat
Molecular weight:
505.42

Ref: TR-T018530

1mg381.00 €
10mg2,627.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
17a-Hydroxymethyl-17b-methyl-18-norandrosta-1,4,13-trien-3-one
TRC logo
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17a-Hydroxymethyl-17b-methyl-18-norandrosta-1,4,13-trien-3-one

Controlled Product
CAS:1203575-20-5
Applications 17α-Hydroxymethyl-17β-methyl-18-norandrosta-1,4,13-trien-3-one is a urinary metabolite of the human doping Methandienone (Methandrostenolone, M226000). References Lootens, …
Formula:
C20H26O2
Color and Shape:
Neat
Molecular weight:
298.42

Ref: TR-H947965

1mg598.00 €
10mg4,069.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
21-Hydroxy Deschloromometasone Furoate (Impurity)Mometasone Furoate Impurity H
TRC logo
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21-Hydroxy Deschloromometasone Furoate (Impurity)Mometasone Furoate Impurity H

CAS:148596-90-1
Impurity Mometasone Furoate EP Impurity H Applications 21-Hydroxy Deschloromometasone Furoate (Mometasone EP Impurity H) is …
Formula:
C27H31ClO7
Color and Shape:
Neat
Molecular weight:
502.98

Ref: TR-H948730

5mg795.00 €
10mg1,291.00 €
25mg2,102.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
trans-Hydroxy Perhexiline(Mixture of Diastereomers)
TRC logo
+ info

trans-Hydroxy Perhexiline(Mixture of Diastereomers)

Controlled Product
CAS:917877-74-8
Formula:
C19H35NO
Color and Shape:
Neat
Molecular weight:
293.49

Ref: TR-H948910

2500µg583.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
5-Methyl-2-[(2-nitrophenyl)amino]-3-thiophenecarbonitrile
TRC logo
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5-Methyl-2-[(2-nitrophenyl)amino]-3-thiophenecarbonitrile

Controlled Product
CAS:138564-59-7
Impurity Olanzapine EP Impurity A/ Olanzapene USP Related Compound A Applications 5-Methyl-2-[(2-nitrophenyl)amino]-3-thiophenecarbonitrile (Olanzapine EP Impurity …
Formula:
C12H9N3O2S
Color and Shape:
Neat
Molecular weight:
259.28

Ref: TR-M325570

25g763.00 €
2500mg315.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
6-Amino-1,3-dimethyluracil
TRC logo
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6-Amino-1,3-dimethyluracil

Controlled Product
CAS:6642-31-5
Applications 6-Amino-1,3-dimethyluracil is used as a reagent in the synthesis of new pyrimidine and caffeine …
Formula:
C6H9N3O2
Color and Shape:
Light Yellow
Molecular weight:
155.15

Ref: TR-A607750

1g83.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
2-(2-Aminoethyl)-3-(4-chlorophenyl)-3-hydroxyphthalimidine-d4 Hydrochloride (Mazindol Metabolite)
TRC logo
+ info

2-(2-Aminoethyl)-3-(4-chlorophenyl)-3-hydroxyphthalimidine-d4 Hydrochloride (Mazindol Metabolite)

Controlled Product
CAS:1276611-52-9
Applications A labelled metabolite of Mazindol. An imidazolinylphenyl ketone derivatives as antidepressants and diuretics. References …
Formula:
C16H12D4Cl2N2O2
Color and Shape:
Neat
Molecular weight:
343.24

Ref: TR-A608912

25mg1,810.00 €
2500µg270.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
Dideiodo Amiodarone Hydrochloride
TRC logo
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Dideiodo Amiodarone Hydrochloride

CAS:95820-13-6
Applications Hydrochloride salt derivative of Dideiodo Amiodarone (D439420), an intermediate of Amiodarone (A632950). References Weir, …
Formula:
C25H31NO3·ClH
Color and Shape:
Neat
Molecular weight:
429.98

Ref: TR-D439425

10mg259.00 €
100mg1,728.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
2-Ethylhexyl Salicylate-d4
TRC logo
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2-Ethylhexyl Salicylate-d4

CAS:118-60-5
Applications 2-Ethylhexyl Salicylate-d4 is an isotopic analog of 2-Ethylhexyl Salicylate (E918775), a skin penetration enhancer …
Formula:
C15H18D4O3
Color and Shape:
Neat
Molecular weight:
254.36

Ref: TR-E918777

1mg218.00 €
10mg1,117.00 €
2500µg373.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
Olmesartan Acid
TRC logo
+ info

Olmesartan Acid

Controlled Product
CAS:144689-24-7
Impurity Olmesartan EP Impurity A Applications Olmesartan Acid (Olmesartan EP Impurity A) is an angiotensin …
Formula:
C24H26N6O3
Color and Shape:
White To Beige
Molecular weight:
446.50

Ref: TR-O550001

10mg109.00 €
25mg154.00 €
100mg464.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
Benfotiamine-Amide
TRC logo
+ info

Benfotiamine-Amide

Controlled Product
CAS:22457-89-2
Stability Hygroscopic Applications Benfotiamine-Amide is an analog of Benfotiamine, which is a Vitamin B1 analog. …
Formula:
C26H27N4O7PS
Color and Shape:
Neat
Molecular weight:
570.55

Ref: TR-B136003

1mg219.00 €
5mg936.00 €
10mg1,538.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
1,2-Benzenedicarboxylic Acid 1-(7-Methyloctyl) Ester
TRC logo
+ info

1,2-Benzenedicarboxylic Acid 1-(7-Methyloctyl) Ester

CAS:106610-61-1
Formula:
C17H24O4
Color and Shape:
Colourless To Light Yellow
Molecular weight:
292.37

Ref: TR-B185500

50mg362.00 €
500mg2,360.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
Cyclopropyl-d5-amine
TRC logo
+ info

Cyclopropyl-d5-amine

Controlled Product
CAS:153557-95-0
Applications Cyclopropyl-d5-amine is labelled Cyclopopylamine (C989140) which can inactivate major human drug-metabolizing cytochromes P450 enzymes. …
Formula:
C3H2D5N
Color and Shape:
Neat
Molecular weight:
62.13

Ref: TR-C989143

5mg190.00 €
25mg717.00 €
100mg1,866.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
rac N-Bisdesmethyl Tramadol, Hydrochloride
TRC logo
+ info

rac N-Bisdesmethyl Tramadol, Hydrochloride

CAS:541505-91-3
Applications A metabolite of Tramadol. References Lintz, V.W., et al.: Arzneim.-Forsch./Drug Res., 31, II, 11, …
Formula:
C14H22ClNO2
Color and Shape:
Neat
Molecular weight:
271.78

Ref: TR-B426130

5mg240.00 €
10mg309.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
N-(2,6-Dimethylphenyl)-2-(ethylmethylamino)acetamide Hydrochloride
TRC logo
+ info

N-(2,6-Dimethylphenyl)-2-(ethylmethylamino)acetamide Hydrochloride

Controlled Product
CAS:50295-20-0
Formula:
C13H20N2O·ClH
Color and Shape:
Neat
Molecular weight:
256.77

Ref: TR-D476800

10mg337.00 €
100mg2,128.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
Deacetylcephalothin Lactone
TRC logo
+ info

Deacetylcephalothin Lactone

CAS:10590-10-0
Impurity Cefalotin EP Impurity D Applications Deacetylcephalothin Lactone (Cefalotin EP Impurity D) is an impurity …
Formula:
C14H12N2O4S2
Color and Shape:
Neat
Molecular weight:
336.39

Ref: TR-D198215

10mg277.00 €
100mg1,942.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
2-(3-Cyano-4-hydroxyphenyl)-4-methyl-1,3-thiazole-5-carboxylic Acid Ethyl Ester
TRC logo
+ info

2-(3-Cyano-4-hydroxyphenyl)-4-methyl-1,3-thiazole-5-carboxylic Acid Ethyl Ester

CAS:161798-02-3
Applications 2-(3-Cyano-4-hydroxyphenyl)-4-methyl-1,3-thiazole-5-carboxylic Acid Ethyl Ester, can be used for the synthesis of Febuxostat (F229000), an …
Formula:
C14H12N2O3S
Color and Shape:
Neat
Molecular weight:
288.32

Ref: TR-C981365

1g317.00 €
100mg228.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
4’-(Trifluoromethyl)valerophenone-(E)-O-2-(2-aminoethyl) Oxime Maleate
TRC logo
+ info

4’-(Trifluoromethyl)valerophenone-(E)-O-2-(2-aminoethyl) Oxime Maleate

Controlled Product
Applications 4’-(Trifluoromethyl)valerophenone(E)-O-2-(2-aminoethyl) Oxime Maleate is an impurity in the synthesis of Fluvoxamine (F603500), a selective …
Formula:
C20H28F3N3O5
Color and Shape:
Neat
Molecular weight:
447.45

Ref: TR-T791950

25mg2,176.00 €
2500µg326.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
discount label
1,3-Dimethyl-4-amino-5-(formylamino)uracil
TRC logo
+ info

1,3-Dimethyl-4-amino-5-(formylamino)uracil

Controlled Product
CAS:7597-60-6
Applications 6-Amino-5-1,3-dimethyl-5-(formamido)uracil is a substitued uracilic metabolite of methylxanthine and is also a metabolite of …
Formula:
C7H10N4O3
Color and Shape:
Neat
Molecular weight:
198.18

Ref: TR-A609570

25mg317.00 €
250mg2,092.00 €
Estimated delivery in United States, on Monday 28 Oct 2024
+ info
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