5-Methylisoxazole-3-carboxylic-d4 Acid
5-Methylisoxazole-3-carboxylic-d4 Acid (CAS 1267623-84-6) supplier Zemixal: C5H5NO3, COA and SDS with every lot, worldwide shipping.
About 5-Methylisoxazole-3-carboxylic-d4 Acid
Analytical teams working on Leflunomide use 5-Methylisoxazole-3-carboxylic-d4 Acid as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 1267623-84-6, formula C5H5NO3 and molar mass 127.1 g/mol. It is handled as a solid.
Typical applications
- LC-MS/MS internal standard
- Bioanalytical quantitation
- Pharmacokinetic studies
Safe handling
Classified under GHS with signal word Warning and hazard statements H315, H319 and H335. Read the SDS before first use.
Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Every shipment includes a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
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 | 5-Methylisoxazole-3-carboxylic-d4 Acid |
|---|---|
| Catalogue number | ZX-043143 |
| CAS number | 1267623-84-6 |
| IUPAC name | 5-methyl-1,2-oxazole-3-carboxylic acid |
| Molecular formula | C5H5NO3 |
| Molar mass | 127.1 g/mol |
| Exact mass | 127.0269 |
| Grade | Reference Standard |
| Physical form | Solid |
| XLogP3 | 0.7 |
| H-bond donors / acceptors | 1 / 4 |
| Topological polar surface area | 63.3 Ų |
| HS code | 38229090 |
| InChIKey | BNMPIJWVMVNSRD-UHFFFAOYSA-N |
| SMILES | CC1=CC(=NO1)C(=O)O |
| PubChem CID | 76947 |
| Synonyms | 3-Methyl-5-isoxazolecarboxylic acid, 5-carboxy-3-methylisoxazole, 5-Methylisoxazole-3-carboxylic acid, 5-methyl-3-isoxazolecarboxylic acid, 5-methylisoxazole-3-carboxylicacid, 5-Methyl-3-isooxazolecarboxylic acid, 5-methylisoxazol-3-carbonsaure, 5-methyl-isoxazole-carboxylic acid, 5-methyl-3-isoxazolecarboxlic acid |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Warning
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
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 5-Methylisoxazole-3-carboxylic-d4 Acid
Which CAS number identifies 5-Methylisoxazole-3-carboxylic-d4 Acid?
What are the formula and molar mass of 5-Methylisoxazole-3-carboxylic-d4 Acid?
How is 5-Methylisoxazole-3-carboxylic-d4 Acid used in pharmaceutical QC?
What grade and pack sizes are available for 5-Methylisoxazole-3-carboxylic-d4 Acid?
Which documents come with 5-Methylisoxazole-3-carboxylic-d4 Acid?
Can Zemixal ship 5-Methylisoxazole-3-carboxylic-d4 Acid to my country?
More Leflunomide standards
More in Stable Isotope Labelled Standards (Deuterated, 13C, 15N)
- CAS
- 63927-52-6
- Formula
- C12H9F3N2O2
- MW
- 270.21 g/mol
Have a list of compounds to price?
Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.