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Categories / Impurity

Impurity Products

Browse available compounds, catalogue references, CAS numbers and technical details from Clearsynth.

Showing 5809-5832 of 27558 products
All In Stock Custom Synthesis
(2-Aminopteridin-6-yl)methanol chemical structure
Custom Synthesis

(2-Aminopteridin-6-yl)methanol

CAT No. CS-O-64367
CAS No. 142645-42-9
Category Impurity
Parent API Methotrexate
Formula C7H7N5O
Mol. Wt. 117.2
(2-Amino-thiazol-4-yl)-acetic acid methyl esterhydrochloride chemical structure
Custom Synthesis

(2-Amino-thiazol-4-yl)-acetic acid methyl esterhydrochloride

CAT No. CS-M-05171
CAS No. 76629-18-0
Category Impurity
Parent API
Formula -
Mol. Wt.
(2-Amino-thiazol-5-yl)-acetic acid methyl ester chemical structure
Custom Synthesis

(2-Amino-thiazol-5-yl)-acetic acid methyl ester

CAT No. CS-M-10593
CAS No. 110295-93-7
Category Impurity
Parent API
Formula -
Mol. Wt.
(2-bromo-5[(2R,3R)-1-(dimethylamino)-2-methyl pentan-3-yl]phenol) chemical structure
Custom Synthesis

(2-bromo-5[(2R,3R)-1-(dimethylamino)-2-methyl pentan-3-yl]phenol)

CAT No. CS-O-52385
CAS No. -
Category Impurity
Parent API Tapentadol
Formula C14H22BrNO
Mol. Wt. 300.23
(2-bromo-6-chlorophenyl)(4-fluorophenyl)methanone chemical structure
Custom Synthesis

(2-bromo-6-chlorophenyl)(4-fluorophenyl)methanone

CAT No. CS-O-54153
CAS No. 1997260-73-7
Category Impurity
Parent API Empagliflozin
Formula C13H7BrClFO
Mol. Wt. 313.55
(2-Bromobenzyl)phosphonic acid diethyl ester chemical structure
Custom Synthesis

(2-Bromobenzyl)phosphonic acid diethyl ester

CAT No. CS-ZB-17286
CAS No. 63909-55-7
Category Impurity
Parent API
Formula C11H16BrO3P
Mol. Wt. 307.1
(2-butylbenzofuran-3-yl)(3,5-diiodo-4-methoxyphenyl)methanone chemical structure
Custom Synthesis

(2-butylbenzofuran-3-yl)(3,5-diiodo-4-methoxyphenyl)methanone

CAT No. CS-O-54204
CAS No. 149702-94-3
Category Impurity
Parent API Amiodarone
Formula C20H18I2O3
Mol. Wt. 560.16
(2-butylbenzofuran-3-yl)(4-ethoxy-3,5-diiodophenyl)methanone chemical structure
Custom Synthesis

(2-butylbenzofuran-3-yl)(4-ethoxy-3,5-diiodophenyl)methanone

CAT No. CS-O-54197
CAS No. 290295-98-6
Category Impurity
Parent API Amiodarone
Formula C21H20I2O3
Mol. Wt. 574.19
(2-butylbenzofuran-6-yl)(4-methoxyphenyl)methanone chemical structure
Custom Synthesis

(2-butylbenzofuran-6-yl)(4-methoxyphenyl)methanone

CAT No. CS-O-54199
CAS No. 171860-06-3
Category Impurity
Parent API Amiodarone
Formula C20H20O3
Mol. Wt. 308.37
(2-Chloro-4-methoxyphenyl)acetic acid chemical structure
Custom Synthesis

(2-Chloro-4-methoxyphenyl)acetic acid

CAT No. CS-M-26088
CAS No. 91367-09-8
Category Impurity
Parent API
Formula -
Mol. Wt.
(2-chloro-5-((tetrahydrofuran-3-yl)oxy)phenyl)(4-((tetrahydrofuran-3-yl)oxy)phenyl)methanone chemical structure
Custom Synthesis

(2-chloro-5-((tetrahydrofuran-3-yl)oxy)phenyl)(4-((tetrahydrofuran-3-yl)oxy)phenyl)methanone

CAT No. CS-O-54425
CAS No.
Category Impurity
Parent API -
Formula C21H21ClO5
Mol. Wt. 388.84
(2-Chloroethyl){2-[(3-hydroxypropyl)amino]ethyl}phosphoramidic acid chemical structure
Custom Synthesis

(2-Chloroethyl){2-[(3-hydroxypropyl)amino]ethyl}phosphoramidic acid

CAT No. CS-O-34291
CAS No. 2810251-24-0
Category Impurity
Parent API
Formula C7H18ClN2O4P
Mol. Wt. 260.66
(2-cyclopropyl-1-(2-fluorophenyl)-2-oxoethane-1,1-diyl)bis(3a,4,5,6,7,7a-hexahydrothieno[3,2-c]pyridine-5,2-diyl) diacetate chemical structure
Custom Synthesis

(2-cyclopropyl-1-(2-fluorophenyl)-2-oxoethane-1,1-diyl)bis(3a,4,5,6,7,7a-hexahydrothieno[3,2-c]pyridine-5,2-diyl) diacetate

CAT No. CS-O-41999
CAS No. -
Category Impurity
Parent API Prasugrel
Formula C29H33FN2O5S2
Mol. Wt. 572.71
(2E)-1-(2-Hydroxyphenyl)-3-phenyl-2-propen-1-one chemical structure
Custom Synthesis

(2E)-1-(2-Hydroxyphenyl)-3-phenyl-2-propen-1-one

CAT No. CS-T-28266
CAS No. 888-12-0
Category Impurity
Parent API
Formula -
Mol. Wt.
(2E)-2,4-Pentadienoic Acid chemical structure
Custom Synthesis

(2E)-2,4-Pentadienoic Acid

CAT No. CS-T-60231
CAS No. 21651-12-7
Category Impurity
Parent API
Formula -
Mol. Wt.
(2E)-2-[4-Oxo-1-trityl-3-piperidinylidene]acetic Acid Ethyl Ester chemical structure
Custom Synthesis

(2E)-2-[4-Oxo-1-trityl-3-piperidinylidene]acetic Acid Ethyl Ester

CAT No. CS-T-38487
CAS No. 239466-39-8
Category Impurity
Parent API
Formula -
Mol. Wt.
(2E)-2-Butenedioic Acid 1-[[3-[(1R)-3-[Bis(1-methylethyl)amino]-1-phenylpropyl]-4-(2-methyl-1-o chemical structure
Custom Synthesis

(2E)-2-Butenedioic Acid 1-[[3-[(1R)-3-[Bis(1-methylethyl)amino]-1-phenylpropyl]-4-(2-methyl-1-o

CAT No. CS-T-50126
CAS No. 1254942-29-4
Category Impurity
Parent API Fesoterodine
Formula C30H39NO6
Mol. Wt. 509.6
(2E)-3-(Dimethylamino)-1-pyridin-4-ylprop-2-en-1-one chemical structure
Custom Synthesis

(2E)-3-(Dimethylamino)-1-pyridin-4-ylprop-2-en-1-one

CAT No. CS-M-48525
CAS No. 66521-53-7
Category Impurity
Parent API Nilotinib
Formula C10H12N2O
Mol. Wt. 176.2
(2E)-3,4-(4-amino-3,5-dimethylphenyl)-prop-2-enenitrile hydrochloride chemical structure
Custom Synthesis

(2E)-3,4-(4-amino-3,5-dimethylphenyl)-prop-2-enenitrile hydrochloride

CAT No. CS-O-44379
CAS No. -
Category Impurity
Parent API Rilpivirine
Formula C11H13ClN2
Mol. Wt. 208.69
(2E)-4-Bromo-2-buten-1-ol chemical structure
Custom Synthesis

(2E)-4-Bromo-2-buten-1-ol

CAT No. CS-T-07989
CAS No. 113661-09-9
Category Impurity
Parent API
Formula -
Mol. Wt.
(2E)-4-Methoxy-2-butenoic Acid chemical structure
Custom Synthesis

(2E)-4-Methoxy-2-butenoic Acid

CAT No. CS-T-32341
CAS No. 63968-74-1
Category Impurity
Parent API
Formula -
Mol. Wt.
(2E,11α,13E,15S,17S)-11,15-Di-O-tetrahydropyranyl-17,20-dimethyl-9,11,15-trihydroxy-prosta-2,13-diene-1-oic Acid-d3 Methyl Ester (Mixture of Diastereomers) chemical structure
Custom Synthesis

(2E,11α,13E,15S,17S)-11,15-Di-O-tetrahydropyranyl-17,20-dimethyl-9,11,15-trihydroxy-prosta-2,13-diene-1-oic Acid-d3 Methyl Ester (Mixture of Diastereomers)

CAT No. CS-T-97562
CAS No. 1316264-00-2
Category Impurity
Parent API
Formula C33H53D3O7
Mol. Wt. 567.81
(2E,2'E)-N,N'-(Naphthalene-1,4-diylbis(methylene))bis(N,6,6-trimethylhept-2-en-4-yn-1-amine) Hydrochloride chemical structure
Custom Synthesis

(2E,2'E)-N,N'-(Naphthalene-1,4-diylbis(methylene))bis(N,6,6-trimethylhept-2-en-4-yn-1-amine) Hydrochloride

CAT No. CS-O-54524
CAS No.
Category Impurity
Parent API Terbinafine
Formula C32H43ClN2
Mol. Wt. 491.15
(2E,4E)-2,4-Dodecadienoic acid chemical structure
Custom Synthesis

(2E,4E)-2,4-Dodecadienoic acid

CAT No. CS-O-48359
CAS No. 24738-48-5
Category Impurity
Parent API .
Formula C12H20O2
Mol. Wt. 196.29

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