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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Butanamide, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Butanamide impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Butanamide-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.

Butanamide Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(2R)-2-hydroxy-3-(hydroxymethyl)-3-methyl-N-(3-oxo-4-phenylb... Stable Isotopes CS-T-101044 Not Available Enquire
(R)-3-Amino-N-((R)-4-oxo-1-phenyl-4-(3-(trifluoromethyl)-5,6... Stable Isotopes CS-T-97807 Not Available Enquire
(S)-N-(1-Amino-1-oxobutan-2-yl)-4-chlorobutanamide-d3 Stable Isotopes CS-T-66236 1795786-85-4 Enquire
(S)-N-(1-Amino-1-oxobutan-2-yl)-4-chlorobutanamide-d6 Stable Isotopes CS-T-97809 Not Available Enquire
(S)-N-[(2S,4S,5S)-5-(Dibenzylamino)-4-hydroxy-1,6-diphenylhe... Stable Isotopes CS-T-97607 1322623-80-2 Enquire
2-Amino-N,N,3-trimethyl-butanamide-d6 Stable Isotopes CS-T-97033 Not Available Enquire
4-Fluoro-α-(2-methyl-1-oxopropyl)-γ-oxo-N,β-diphenyl-d5-benz... Stable Isotopes CS-T-77554 222412-75-1 Enquire
N-Methyl-γ-oxo-3-pyridinebutanamide-d3 Stable Isotopes CS-T-98772 Not Available Enquire


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"3-(Methylamino)-N,3-dimethyl-butanamide" Impurities CS-T-53615 859195-79-2 Enquire
(2R)-2-hydroxy-3-(hydroxymethyl)-3-methyl-N-(3-oxo-4-phenylb... Impurities CS-T-78781 1351758-37-6 Enquire
(2S)-2-Amino-3-methylbutanamide hydrochloride Impurities CS-MM-06290 133170-58-8 Enquire
(3R)-3-Aminobutanamide Impurities CS-BX-02692 44589-02-8 Enquire
(S)-2-Amino-2,3-dimethylbutanamide Impurities CS-T-65716 90377-00-7 Enquire
(S)-3-methyl-2-phenylbutanamide Impurities CS-O-36214 174290-51-8 In Stock
2-(Methylamino)butanamide Impurities CS-M-47433 1218229-30-1 Enquire
2-Bromobutanamide Impurities CS-M-47199 5398-24-3 Enquire
2-Bromo-N-cyclohexylbutanamide Impurities CS-M-26673 905810-22-2 Enquire
2-Bromo-N-cyclopentylbutanamide Impurities CS-M-26672 905811-01-0 Enquire
2-Fluoro-alpha-(2-methyl-1-oxopropyl)-gamma-oxo-N,beta-diphe... Impurities CS-T-76320 1797905-42-0 Enquire
Butanamide, N-​[4-​[2-​hydroxy-​3-​[(1-​methylethyl)​amino]​... Impurities CS-O-42132 74143-33-2 Enquire
Butanamide, N-​[4-​[2-​hydroxy-​3-​[(1-​methylethyl)​amino]​... Impurities CS-O-42131 1432053-72-9 Enquire
rac 2-Cyano-2-phenylbutanamide Impurities CS-T-13703 80544-75-8 Enquire


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"(R)-N,N-Dimethyl-3-[(2-nitro-4-sulfamoylphenyl)amino]-4-phe... Intermediates CS-T-20374 406233-34-9 Enquire
"(S)-2-(Boc-amino)-N-methoxy-N-methyl,3-dimethylbutanamide" Intermediates CS-DJ-00891 87694-52-8 Enquire
"[R-(R*,R*)]-N-(2-Hydroxy-1-phenylethyl)-2-methylbutanamide" Intermediates CS-T-79737 114862-02-1 Enquire
"2,4-Dihydroxy-3,3-dimethylbutanamide" Intermediates CS-M-32391 4417-86-1 Enquire
"2-Bromo-N-(2,6-dimethylphenyl)butanamide" Intermediates CS-T-68651 53984-81-9 Enquire
"2-Bromo-N,N-dimethylbutanamide" Intermediates CS-M-46678 39221-60-8 Enquire
"4-(2,4-dichlorophenoxy)-N-(3-nitrophenyl)butanamide" Intermediates CS-EL-15350 303091-86-3 Enquire
"4-Chloro-N-(5-methyl-1,3,4-thiadiazol-2-yl)-butanamide" Intermediates CS-M-28717 392244-44-9 Enquire
"N,3,3-trimethyl-2-[(4-toluidinocarbonyl)amino]butanamide" Intermediates CS-EL-30572 477768-35-7 Enquire
"N,3-Diphenyl-2-(2-methyl-1-oxopropyl)4-oxo-N-benzenebutanam... Intermediates CS-T-53838 444577-70-2 Enquire
(2R)-N-hydroxy-3-methyl-2-[(4-phenylphenyl)sulfonyl-propan-2... Intermediates CS-ED-11606 849773-63-3 Enquire
(2S)-2-amino-N-(2-hydroxyethyl)-N-methyl-4-(methylsulfanyl)b... Intermediates CS-ED-41254 1292946-15-6 Enquire
(2S)-2-amino-N,3-dimethylbutanamide hydrochloride Intermediates CS-ED-41292 74410-26-7 Enquire
(2S)-2-amino-N,N,3,3-tetramethylbutanamide hydrochloride Intermediates CS-ED-41299 154830-98-5 Enquire
(2S)-2-amino-N,N-dimethyl-4-(methylsulfanyl)butanamide hydro... Intermediates CS-ED-41304 94903-73-8 Enquire
(2S)-2-amino-N-cyclohexyl-3-methylbutanamide hydrochloride Intermediates CS-ED-41268 1432670-75-1 Enquire
(2S)-2-amino-N-methoxy-N-methyl-4-(methylsulfanyl)butanamide... Intermediates CS-ED-41263 1394051-26-3 Enquire
(2S)-2-amino-N-methyl-4-(methylsulfanyl)butanamide hydrochlo... Intermediates CS-ED-41300 94847-37-7 Enquire
(2Z)-2-(Hydroxyimino)-3-oxo-N-phenylbutanamide Intermediates CS-M-45791 2352-40-1 Enquire
(aR,ßR)-ß-(2,5-Difluorophenyl)-ß-hydroxy-a-methyl-1H-1,2,4-t... Intermediates CS-T-91268 241479-75-4 Enquire
(R)-N-(3-((2-Aminoethyl)amino)-3-oxopropyl)-2,4-dihydroxy-3,... Intermediates CS-ED-33976 943528-71-0 Enquire
(S)-2-Amino-3,3-dimethylbutanamide hydrochloride Intermediates CS-ED-09471 75158-12-2 Enquire
(S)-4-Amino-4-(1H-tetrazol-5-yl)butanamide Intermediates CS-ED-10137 51163-44-1 Enquire
2-(2,4-Bis(1,1-dimethylpropyl)phenoxy)-N-(4-(4,5-dihydro-5-o... Intermediates CS-ED-40346 30818-18-9 Enquire
2-(3,4-dimethoxyphenyl)-3-methylbutanamide Intermediates CS-O-53883 1195685-70-1 Enquire
2,2-Diethyl-3-oxobutanamide Intermediates CS-ED-27753 98552-44-4 Enquire
2-[(5-bromo-2-fluorophenyl)amino]Butanamide Intermediates CS-DV-01392 1340052-60-9 Enquire
2-{[(4-chlorophenyl)sulfonyl]amino}-3-methyl-N-(4-methylphen... Intermediates CS-EL-05731 317378-08-8 Enquire
2-{[(4-chlorophenyl)sulfonyl]amino}-3-methyl-N-[3-(trifluoro... Intermediates CS-EL-12755 317378-10-2 Enquire
2-Amino-2-cyclopropylbutanamide Intermediates CS-ED-04872 1498031-35-8 Enquire
2-Amino-2-ethyl-3-methylbutanamide Intermediates CS-ED-08616 1179897-71-2 Enquire
2-Amino-2-ethylbutanamide hydrochloride Intermediates CS-ED-10095 17704-75-5 Enquire
2-Amino-2-methylbutanamide hydrochloride Intermediates CS-ED-06894 18305-22-1 Enquire
2-Amino-3,3-dimethylbutanamide hydrochloride Intermediates CS-ED-05532 359844-68-1 Enquire
2-Amino-3-methylbutanamide Hydrochloride Intermediates CS-T-94063 93169-29-0 In Stock
2-Amino-3-methyl-N-(2-pyridinylmethyl)butanamide hydrochlori... Intermediates CS-ED-37210 1236261-31-6 Enquire
2-Amino-3-methyl-N-(3-pyridinylmethyl)butanamide hydrochlori... Intermediates CS-ED-37206 1236257-03-6 Enquire
2-Amino-3-methyl-N-(4-pyridinylmethyl)butanamide hydrochlori... Intermediates CS-ED-37213 1236264-29-1 Enquire
2-Amino-3-methyl-N-(tetrahydro-2H-pyran-4-ylmethyl)butanamid... Intermediates CS-ED-37227 1246172-75-7 Enquire
2-Amino-3-methyl-N,N-dipropylbutanamide hydrochloride Intermediates CS-ED-36663 1236260-89-1 Enquire
2-Amino-3-methyl-N-propylbutanamide hydrochloride Intermediates CS-ED-36871 1236263-44-7 Enquire
2-Amino-3-phenylbutanamide hydrochloride Intermediates CS-ED-10682 1803561-81-0 Enquire
2-amino-4-(methylsulfanyl)-N-(2-oxo-2,3-dihydro-1,3-benzoxaz... Intermediates CS-ED-06507 1251922-55-0 Enquire
2-Amino-4-(methylsulfonyl)butanamide hydrobromide Intermediates CS-ED-06173 1214817-36-3 Enquire
2-amino-4-methanesulfonyl-N-(2-oxo-2,3-dihydro-1,3-benzoxazo... Intermediates CS-ED-06636 1251923-78-0 Enquire
2-amino-4-methanesulfonyl-N-(oxan-4-yl)butanamide hydrochlor... Intermediates CS-ED-06678 1427378-60-6 Enquire
2-amino-4-methanesulfonyl-N,N-dimethylbutanamide hydrobromid... Intermediates CS-ED-06196 1214232-46-8 Enquire
2-amino-4-methanesulfonyl-N-methyl-N-(oxan-4-yl)butanamide h... Intermediates CS-ED-06717 1427890-35-4 Enquire
2-amino-4-methanesulfonyl-N-methyl-N-(pyridin-3-ylmethyl)but... Intermediates CS-ED-06730 1432677-73-0 Enquire
2-amino-4-methanesulfonyl-N-methyl-N-(thiophen-2-ylmethyl)bu... Intermediates CS-ED-06722 1427378-71-9 Enquire
2-Amino-4-methoxybutanamide hydrochloride Intermediates CS-ED-05735 1432677-68-3 Enquire
2-Amino-N-(2-hydroxyethyl)-N,3-dimethylbutanamide hydrochlor... Intermediates CS-ED-36660 1236255-38-1 Enquire
2-Amino-N-(2-methoxyethyl)-3-methylbutanamide hydrochloride Intermediates CS-ED-36887 1236259-24-7 Enquire
2-Amino-N-(3-hydroxypropyl)-3-methylbutanamide hydrochloride Intermediates CS-ED-36890 1236256-44-2 Enquire
2-Amino-N-(4-fluorophenyl)-3-methylbutanamide hydrochloride Intermediates CS-ED-37218 1236255-23-4 Enquire
2-Amino-N-(4-methoxyphenyl)-3-methylbutanamide hydrochloride Intermediates CS-ED-37223 1236255-24-5 Enquire
2-Amino-N-(sec-butyl)-3-methylbutanamide hydrochloride Intermediates CS-ED-36878 1236262-91-1 Enquire
2-Amino-N-(tert-butyl)-3-methylbutanamide hydrochloride Intermediates CS-ED-36876 1236255-49-4 Enquire
2-amino-N,3-dimethylbutanamide Intermediates CS-ED-09918 560110-12-5 Enquire
2-Amino-N,3-dimethylbutanamide hydrochloride Intermediates CS-ED-10093 188890-78-0 Enquire
2-Amino-N,3-dimethyl-N-(tetrahydro-2H-pyran-4-ylmethyl)butan... Intermediates CS-ED-36668 1236267-46-1 Enquire
2-amino-N,3-dimethyl-N-{5H,6H,7H-pyrrolo[2,1-c][1,2,4]triazo... Intermediates CS-ED-08792 1218462-71-5 Enquire
2-amino-N,N,3-trimethylbutanamide Intermediates CS-ED-08483 230643-41-1 Enquire
2-Amino-N,N,3-trimethylbutanamide hydrochloride Intermediates CS-ED-09065 1257848-66-0 Enquire
2-Amino-N,N-diethyl-3-methylbutanamide hydrochloride Intermediates CS-ED-36659 1236263-36-7 Enquire
2-amino-N,N-dimethylbutanamide Intermediates CS-ED-39775 1218314-38-5 Enquire
2-amino-N-[1-(4-methylphenyl)propyl]butanamide Intermediates CS-ED-08927 1218493-92-5 Enquire
2-amino-N-[1-(thiophen-2-yl)ethyl]butanamide Intermediates CS-ED-08888 1218578-99-4 Enquire
2-Amino-N-[2-(dimethylamino)ethyl]-3-methylbutanamide dihydr... Intermediates CS-ED-36895 1236261-47-4 Enquire
2-Amino-N-[3-(dimethylamino)propyl]-3-methylbutanamide dihyd... Intermediates CS-ED-37187 1236263-48-1 Enquire
2-Amino-N-benzyl-N,3-dimethylbutanamide hydrochloride Intermediates CS-ED-36665 1236262-83-1 Enquire
2-amino-N-benzyl-N-cyclopropylbutanamide Intermediates CS-ED-08904 1192510-76-1 Enquire
2-Amino-N-benzyl-N-ethyl-3-methylbutanamide hydrochloride Intermediates CS-ED-36667 1236272-31-3 Enquire
2-amino-N-benzyl-N-ethyl-4-methanesulfonylbutanamide hydroch... Intermediates CS-ED-09792 1427378-49-1 Enquire
2-amino-N-benzyl-N-ethylbutanamide Intermediates CS-ED-08727 1218604-65-9 Enquire
2-Amino-N-butyl-3-methylbutanamide hydrochloride Intermediates CS-ED-36872 1236255-47-2 Enquire
2-Amino-N-butyl-N,3-dimethylbutanamide hydrochloride Intermediates CS-ED-36661 1236258-11-9 Enquire
2-Amino-N-cyclohexyl-N,3-dimethylbutanamide hydrochloride Intermediates CS-ED-36664 1236258-13-1 Enquire
2-Amino-N-cyclohexyl-N-ethyl-3-methylbutanamide hydrochlorid... Intermediates CS-ED-36666 1236254-85-5 Enquire
2-amino-N-cyclohexyl-N-methylbutanamide Intermediates CS-ED-08700 1218023-56-3 Enquire
2-amino-N-cyclopentyl-3-methylbutanamide Intermediates CS-ED-08654 1103225-85-9 Enquire
2-Amino-N-ethyl-3-methylbutanamide hydrochloride Intermediates CS-ED-08590 1236254-95-7 Enquire
2-amino-N-hydroxy-3-methylbutanamide Intermediates CS-EL-01209 36207-48-4 Enquire
2-amino-N-hydroxybutanamide Intermediates CS-ED-09909 36212-74-5 Enquire
2-Amino-N-isobutyl-3-methylbutanamide hydrochloride Intermediates CS-ED-36881 1236255-08-5 Enquire
2-Amino-N-isopropyl-3-methylbutanamide hydrochloride Intermediates CS-ED-05854 1236256-85-1 Enquire
2-amino-N-methylbutanamide Intermediates CS-ED-09896 767570-56-9 Enquire
2-amino-N-methyl-N-(thiophen-2-ylmethyl)butanamide hydrochlo... Intermediates CS-ED-09811 1423025-35-7 Enquire
2-bromo-3-methyl-N-(5-methyl-1,2-oxazol-3-yl)butanamide Intermediates CS-ED-22443 923138-55-0 Enquire
2-bromo-3-methyl-N-(pyridin-3-ylmethyl)butanamide Intermediates CS-ED-22173 1036540-46-1 Enquire
2-bromo-3-methyl-N-(quinolin-5-yl)butanamide Intermediates CS-ED-22165 1016881-60-9 Enquire
2-bromo-N-(1,1-dioxothiolan-3-yl)-3-methylbutanamide Intermediates CS-ED-17475 1016779-71-7 Enquire
2-bromo-N-(2,3-dihydro-1,4-benzodioxin-6-yl)butanamide Intermediates CS-ED-13901 347342-54-5 Enquire
2-bromo-N-(2,3-dihydro-1H-inden-5-yl)-3-methylbutanamide Intermediates CS-ED-21406 1016519-25-7 Enquire
2-bromo-N-(2,3-dimethylphenyl)-3-methylbutanamide Intermediates CS-ED-17473 1017044-59-5 Enquire
2-bromo-N-(2,3-dimethylphenyl)butanamide Intermediates CS-ED-13899 924969-58-4 Enquire
2-bromo-N-(2,4-difluorophenyl)butanamide Intermediates CS-ED-13912 924969-60-8 Enquire
2-bromo-N-(2,4-dimethoxybenzyl)butanamide Intermediates CS-ED-13919 1119453-09-6 Enquire
2-bromo-N-(2,4-dimethylphenyl)butanamide Intermediates CS-ED-13910 244793-29-1 Enquire
2-bromo-N-(2,5-difluorophenyl)butanamide Intermediates CS-ED-13916 1119452-44-6 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(2S)-2-Amino-4-methoxy-N-methylbutanamide Fine Chemicals CS-O-49775 1315049-51-4 Enquire
2,3,4-Trihydroxybutanamide Fine Chemicals CS-O-36846 74421-65-1 Enquire
4-(4,6-dimethyl-2-oxopyrimidin-1(2H)-yl)-N-(1-(thiazol-2-yl)... Fine Chemicals CS-O-34626 1381553-21-4 Enquire
DL-2-aminobutanamide hydrochloride Fine Chemicals CS-ZB-32387 89603-48-5 Enquire
N-(4-Chloro-2-nitrophenyl)-3-oxobutanamide Fine Chemicals CS-O-16189 34797-69-8 In Stock
R-2-Amino Butanamide Hydrochloride Fine Chemicals CS-O-05824 103765-03-3 Enquire