Leflunomide Impurity Standards
Leflunomide Impurity Standards
Leflunomide impurity reference standards for pharmaceutical QC testing, method validation, and regulatory filing. Supplied with COA and MSDS by Allmpus Laboratories.
Leflunomide BP Impurity A
Chemical Name: 4-(Trifluoromethyl)aniline
CAS No:
455-14-1
Molecular Formula: C7H6F3N
Molecular Weight: 161.12
CAT No:
ALL-L04367
Keywords: Leflunomide USP RC A
Inventory Status:IN STOCK
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Leflunomide BP Impurity B / Teriflunomide (E)-Isomer
Chemical Name: 2-Cyano-3-hydroxy-N-(4-trifluoromethylph...
CAS No:
108605-62-5
Molecular Formula: C12H9F3N2O2
Molecular Weight: 270.21
CAT No:
ALL-L04368
Keywords: Leflunomide USP Related Compound B
Inventory Status:IN STOCK
Leflunomide BP Impurity C
Chemical Name: 5-Methyl-N-[3-(trifluoromethyl)phenyl]-4...
CAS No:
61643-23-0
Molecular Formula: C12H9F3N2O2
Molecular Weight: 270.21
CAT No:
ALL-L04369
Keywords: Leflunomide USP RC C
Inventory Status:IN STOCK
Leflunomide BP Impurity D
Chemical Name: 5-Methyl-4-isoxazolecarboxylic Acid
CAS No:
42831-50-5
Molecular Formula: C5H5NO3
Molecular Weight: 127.10
CAT No:
ALL-L04370
Keywords: Leflunomide BP Impurity D
Inventory Status:IN STOCK
Leflunomide BP Impurity F
Chemical Name: 5-Methyl-N-[2-(trifluoromethyl)phenyl]-4...
CAS No:
1403564-06-6
Molecular Formula: C12H9F3N2O2
Molecular Weight: 270.21
CAT No:
ALL-L04371
Keywords: Leflunomide EP Impurity F
Inventory Status:IN STOCK
Leflunomide EP Impurity E | 3-Methyl Leflunomide
Chemical Name: 3-Methyl-N-(4-(trifluoromethyl)phenyl)is...
CAS No:
208401-20-1
Molecular Formula: C12H9F3N2O2
Molecular Weight: 270.2
CAT No:
ALL-L03540
Keywords: Leflunomide EP Impurity E | 3-Methyl Le...
Inventory Status:IN STOCK/52-1092
Leflunomide EP Impurity G
Chemical Name: 5-Methyl-N-(p-tolyl)isoxazole-4-carboxam...
CAS No:
724429-16-7
Molecular Formula: C12H12N2O2
Molecular Weight: 216.24
CAT No:
ALL-L04372
Keywords: Leflunomide BP Impurity G
Inventory Status:IN STOCK
Leflunomide EP Impurity H
Chemical Name: 2-Cyano-N-[4-(trifluoromethyl)phenyl]ace...
CAS No:
24522-30-3
Molecular Formula: C10H7F3N2O
Molecular Weight: 228.17
CAT No:
ALL-L04373
Keywords: 2-Cyano-α,α,α-trifluoro-p-acetotoluid...
Inventory Status:IN STOCK