(Z)-2-Cyano-3-hydroxy-N-(3-(trifluoromethyl)phenyl)but-2-enamide
- CAS
- 63927-52-6
- Formula
- C12H9F3N2O2
- MW
- 270.21 g/mol
ZX-030195
Stable Isotope Labelled Standards (Deuterated, 13C, 15N)
Leflunomide-d4
Reference StandardAvailable on request
Order Leflunomide-d4 (CAS 1189987-23-2) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Ships from India to 120+ countries.
CAS number1189987-23-2
FormulaC12H9F3N2O2
Molar mass274.23 g/mol
Physical formSolid
HS code38229090
InChIKeyVHOGYURTWQBHIL-QFFDRWTDSA-N
IUPAC name5-methyl-N-[2,3,5,6-tetradeuterio-4-(trifluoromethyl)phenyl]-1,2-oxazole-4-carboxamide
About Leflunomide-d4
Leflunomide-d4 belongs to the Leflunomide reference-standard family in the Zemixal catalogue. For your records (Reference Standard), the material is defined by CAS 1189987-23-2, formula C12H9F3N2O2 and molar mass 274.23 g/mol. It is handled as a solid.
Common uses in the lab and plant
- LC-MS/MS internal standard
- Bioanalytical quantitation
- Pharmacokinetic studies
Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Each lot travels with a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Reference standards for Leflunomide
See every impurity, metabolite and related compound we list for this API.
Leflunomide standardsTypical uses
- LC-MS/MS internal standard
- Bioanalytical quantitation
- Pharmacokinetic studies
Applications
Grade guides
Specifications and identifiers
| Product name | Leflunomide-d4 |
|---|---|
| Catalogue number | ZX-030198 |
| CAS number | 1189987-23-2 |
| IUPAC name | 5-methyl-N-[2,3,5,6-tetradeuterio-4-(trifluoromethyl)phenyl]-1,2-oxazole-4-carboxamide |
| Molecular formula | C12H9F3N2O2 |
| Molar mass | 274.23 g/mol |
| Exact mass | 274.0867 |
| Grade | Reference Standard |
| Physical form | Solid |
| XLogP3 | 2.5 |
| H-bond donors / acceptors | 1 / 6 |
| Topological polar surface area | 55.1 Ų |
| HS code | 38229090 |
| InChIKey | VHOGYURTWQBHIL-QFFDRWTDSA-N |
| SMILES | [2H]C1=C(C(=C(C(=C1C(F)(F)F)[2H])[2H])NC(=O)C2=C(ON=C2)C)[2H] |
| PubChem CID | 45039652 |
| Synonyms | Leflunomide-d4 (phenyl-d4), TMID-0237, 5-methyl-N-[2,3,5,6-tetradeuterio-4-(trifluoromethyl)phenyl]isoxazole-4-carboxamide |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.
Pack sizes
| 10 mg | Quoted on request | |
| 25 mg | Quoted on request | |
| 50 mg | Quoted on request | |
| 100 mg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Leflunomide-d4
Which CAS number identifies Leflunomide-d4?
Leflunomide-d4 is registered under CAS 1189987-23-2. You may also see it listed as Leflunomide-d4 (phenyl-d4), TMID-0237, 5-methyl-N-[2,3,5,6-tetradeuterio-4-(trifluoromethyl)phenyl]isoxazole-4-carboxamide. Our catalogue number for this item is ZX-030198.
What are the formula and molar mass of Leflunomide-d4?
For Leflunomide-d4, its formula is C12H9F3N2O2 and its molar mass is 274.23 g/mol. The systematic (IUPAC) name is 5-methyl-N-[2,3,5,6-tetradeuterio-4-(trifluoromethyl)phenyl]-1,2-oxazole-4-carboxamide. InChIKey VHOGYURTWQBHIL-QFFDRWTDSA-N lets you match it in any structure database.
How is Leflunomide-d4 used in pharmaceutical QC?
Leflunomide-d4 is a characterised reference material linked to Leflunomide. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Leflunomide-d4?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Leflunomide-d4?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Leflunomide-d4 to my country?
Yes. Leflunomide-d4 ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.
More Leflunomide standards
More in Stable Isotope Labelled Standards (Deuterated, 13C, 15N)
2-Cyano-3-hydroxy-N-(4-(trifluoromethyl)phenyl)but-2-enamide
- CAS
- 108605-62-5
- Formula
- C12H9F3N2O2
- MW
- 270.21 g/mol
ZX-030189
2-Cyano-3-hydroxy-N-(4-(trifluoromethyl)phenyl)pent-2-enamide
- CAS
- 2734292-21-6
- Formula
- C13H11F3N2O2
- MW
- 284.23 g/mol
ZX-025327
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