Leflunomide, Reference Standards

Supplier: USP

Supplier: USP

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USP Reference Standards are specified for use in conducting official USP–NF tests and assays. USP also provides Reference Standards specified in the Food Chemicals Codex as well as authentic substances—high-quality chemical samples—as a service to analytical, clinical, pharmaceutical and research laboratories. To confirm accuracy and reproducibility, USP Reference Standards are rigorously tested and evaluated by multiple independent laboratories including USP, commercial, regulatory, and academic labs. USP also provide publicly available, official documentary standards for pharmaceutical ingredients in the USP–NF that link directly with our primary reference standards.

Certifications: US Pharmacopea Reference Standard

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Certifications: US Pharmacopea Reference Standard

Specifications for Product Family

Specifications

Catalog No:
1356960.
1357045.
1357056.
1357067.

Description:
Leflunomide
Leflunomide Related Compound A
Leflunomide Related Compound B
Leflunomide Related Compound C

Synonym(s):
4-(trifluoromethyl)aniline
(Z)-2-cyano-3-hydroxy-N-(4-(trifluoromethyl)phenyl)but-2-enamide
N-(3'-Trifluoromethylphenyl)-5-methylisoxazole-4-carboxamide

CAS No.:
75706-12-6
455-14-1
163451-81-8
61643-23-0

Formula:
C₁₂H₉F₃N₂O₂
C₇H₆F₃N
C₁₂H₉F₃N₂O₂
C₁₂H₉F₃N₂O₂

UN No.:
2811
2810
2811

Specifications

Product Family Options

Product Information

Standards
Pack type
Pk
Availability
Price
1356960.
Leflunomide
Leflunomide
USP reference standard
Vial
200 mg
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1 * 200 mg
1 * 200 mg - £472.00
£472.00
1 * 200 mg
£472.00
Specifications:
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Specifications
Cat. No.
1356960.
Description
Leflunomide
Synonym(s)
CAS No.
75706-12-6
Formula
C₁₂H₉F₃N₂O₂
UN No.
2811
1357045.
Leflunomide Related Compound A
Leflunomide Related Compound A
USP reference standard
Ampule
100 mg
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1 * 100 mg
1 * 100 mg - £1,160.00
£1,160.00
1 * 100 mg
£1,160.00
Specifications:
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Specifications
Cat. No.
1357045.
Description
Leflunomide Related Compound A
Synonym(s)
4-(trifluoromethyl)aniline
CAS No.
455-14-1
Formula
C₇H₆F₃N
UN No.
2810
1357056.
Leflunomide Related Compound B
Leflunomide Related Compound B
USP reference standard
Vial
20 mg
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Log in for availability
1 * 20 mg
1 * 20 mg - £1,240.00
£1,240.00
1 * 20 mg
£1,240.00
Specifications:
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Specifications
Cat. No.
1357056.
Description
Leflunomide Related Compound B
Synonym(s)
(Z)-2-cyano-3-hydroxy-N-(4-(trifluoromethyl)phenyl)but-2-enamide
CAS No.
163451-81-8
Formula
C₁₂H₉F₃N₂O₂
UN No.
2811
1357067.
Leflunomide Related Compound C
Leflunomide Related Compound C
USP reference standard
Vial
10 mg
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Log in for availability
1 * 10 mg
1 * 10 mg - £1,070.00
£1,070.00
1 * 10 mg
£1,070.00
Specifications:
More
Specifications
Cat. No.
1357067.
Description
Leflunomide Related Compound C
Synonym(s)
N-(3'-Trifluoromethylphenyl)-5-methylisoxazole-4-carboxamide
CAS No.
61643-23-0
Formula
C₁₂H₉F₃N₂O₂
UN No.

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