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Levodopa EP Impurity B

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>Cat. No: LVD202

CAS Number:   60-18-4

Product Details:   Mol. Formula: C9H11NO3,Mol. Weight: 181.19

IUPAC:  (2S)-2-amino-3-(4-hydroxyphenyl)propanoic acid

Synonyms:  L-tyrosine, tyrosine, 60-18-4, (S)-Tyrosine

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Levodopa EP Impurity A

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>Cat. No: LVD201

CAS Number:   27244-64-0

Product Details:   Mol. Formula: C9H11NO5,Mol. Weight: 213.19

IUPAC:  (2S)-2-amino-3-(2,4,5-trihydroxyphenyl)propanoic acid

Synonyms:  L-6-Hydroxydopa, 27244-64-0, L-Hydroxydopa, 2,5-Dihydroxy-L-tyrosine

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Levodopa

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>Cat. No: LVD100

CAS Number:   59-92-7

Product Details:   Mol. Formula: C9H11NO4,Mol. Weight: 197.19

IUPAC:  (2S)-2-amino-3-(3,4-dihydroxyphenyl)propanoic acid

Synonyms:  levodopa, L-dopa, 59-92-7, 3,4-dihydroxy-L-phenylalanine

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1011244-72-6-300x300
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4-Amino-N-[4- (trifluoromethyl)phenyl]benzamide/Teriflunomide Impurity 3

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>Cat. No: LFU403

CAS Number:   1011244-72-6

Product Details:   Mol. Formula: C14H11F3N2O,Mol. Weight: 280.24

IUPAC:  4-amino-N-[4-(trifluoromethyl)phenyl]benzamide

Synonyms:  1011244-72-6, 4-Amino-N-(4-trifluoromethylphenyl)benzamide, 4-AMINO-N-[4-(TRIFLUOROMETHYL)PHENYL]BENZAMIDE, CHEMBL261598

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Leflunomide Impurity 2

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>Cat. No: LFU402

CAS Number:   17153-20-7

Product Details:   Mol. Formula: C5H5NO3,Mol. Weight: 127.1

IUPAC:  3-methyl-1,2-oxazole-4-carboxylic acid

Synonyms:  3-Methylisoxazole-4-carboxylic acid, 17153-20-7, 3-methyl-4-isoxazolecarboxylic acid, 3-methyl-1,2-oxazole-4-carboxylic Acid

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Ethyl 3-methylisoxazole-4-carboxylate

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>Cat. No: LFU401

CAS Number:   20328-15-8

Product Details:   Mol. Formula: C7H9NO3,Mol. Weight: 155.15

IUPAC:  ethyl 3-methyl-1,2-oxazole-4-carboxylate

Synonyms:  20328-15-8, ethyl 3-methylisoxazole-4-carboxylate, ethyl 3-methyl-1,2-oxazole-4-carboxylate, ETHYL 3-METHYL-ISOXAZOLE-4-CARBOXYLATE

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Leflunomide EP Impurity H

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>Cat. No: LFU208

CAS Number:   24522-30-3

Product Details:   Mol. Formula: C10H7F3N2O,Mol. Weight: 228.17

IUPAC:  2-cyano-N-[4-(trifluoromethyl)phenyl]acetamide

Synonyms:  24522-30-3, 2-cyano-N-[4-(trifluoromethyl)phenyl]acetamide, 2-Cyano-N-(4-(trifluoromethyl)phenyl)acetamide, Acetamide, 2-cyano-N-[4-(trifluoromethyl)phenyl]-

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Leflunomide EP Impurity G

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>Cat. No: LFU207

CAS Number:   724429-16-7

Product Details:   Mol. Formula: C12H12N2O2,Mol. Weight: 216.24

IUPAC:  5-methyl-N-(4-methylphenyl)-1,2-oxazole-4-carboxamide

Synonyms:  5-Methyl-N-(4-methylphenyl)isoxazole-4-carboxamide, 724429-16-7, 5-methyl-N-(4-methylphenyl)-1,2-oxazole-4-carboxamide, UNII-46DKD35X8X

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Leflunomide EP Impurity F

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>Cat. No: LFU206

CAS Number:   1403564-06-6

Product Details:   Mol. Formula: C12H9F3N2O2,Mol. Weight: 270.21

IUPAC:  5-methyl-N-[2-(trifluoromethyl)phenyl]-1,2-oxazole-4-carboxamide

Synonyms:  5-Methyl-N-(2-(trifluoromethyl)phenyl)isoxazole-4-carboxamide, 1403564-06-6, UNII-N207Y4RLU4, 5-methyl-N-[2-(trifluoromethyl)phenyl]-1,2-oxazole-4-carboxamide

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Leflunomide EP Impurity E

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>Cat. No: LFU205

CAS Number:   208401-20-1

Product Details:   Mol. Formula: C12H9F3N2O2,Mol. Weight: 270.21

IUPAC:  3-methyl-N-[4-(trifluoromethyl)phenyl]-1,2-oxazole-4-carboxamide

Synonyms:  208401-20-1, 5-Desmethyl-3-methyl Leflunomide, 3-Methyl-N-(4-(trifluoromethyl)phenyl)isoxazole-4-carboxamide, 3-methyl-N-[4-(trifluoromethyl)phenyl]-1,2-oxazole-4-carboxamide

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Leflunomide EP Impurity D

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>Cat. No: LFU204

CAS Number:   42831-50-5

Product Details:   Mol. Formula: C5H5NO3,Mol. Weight: 127.1

IUPAC:  5-methyl-1,2-oxazole-4-carboxylic acid

Synonyms:  5-Methylisoxazole-4-carboxylic acid, 42831-50-5, 5-Methyl-4-isoxazolecarboxylic acid, 5-methyl-1,2-oxazole-4-carboxylic acid

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Leflunomide EP Impurity C

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>Cat. No: LFU203

CAS Number:   61643-23-0

Product Details:   Mol. Formula: C12H9F3N2O2,Mol. Weight: 270.21

IUPAC:  5-methyl-N-[3-(trifluoromethyl)phenyl]-1,2-oxazole-4-carboxamide

Synonyms:  61643-23-0, 5-Methyl-N-(3-(trifluoromethyl)phenyl)isoxazole-4-carboxamide, UNII-G7D26R0ANW, 5-methyl-N-[3-(trifluoromethyl)phenyl]-1,2-oxazole-4-carboxamide

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