Promotional price valid on web orders only. Your contract pricing may differ. Interested in signing up for a dedicated account number?
Learn More
  1. Home
  2. Products
  3. Chemicals
  4. Organic compounds
  5. Organoheterocyclic compounds
  6. Azoles
  7. Isoxazoles
  8. 5-Methylisoxazole-4-carboxylic acid, 98+%, Thermo Scientific™

5-Methylisoxazole-4-carboxylic acid, 98+%, Thermo Scientific™

Catalog No. AAL1462814
Change view
Click to view available options
Quantity:
25 g
1 product options available for selection
Product selection table with 1 available options. Use arrow keys to navigate and Enter or Space to select.
Catalog No. Quantity
AAL1462814 25 g
Use arrow keys to navigate between rows. Press Enter or Space to select a product option. 1 options available.
1 options
Catalog No. AAL1462814 Supplier Thermo Scientific Chemicals Supplier No. L1462814

Description

This Thermo Scientific brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific.

TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 42831-50-5
Molecular Formula C5H4NO3
Molecular Weight (g/mol) 126.09
MDL Number MFCD00955655
InChI Key VQBXUKGMJCPBMF-UHFFFAOYSA-M
Synonym 5-methylisoxazole-4-carboxylic acid, 5-methyl-4-isoxazolecarboxylic acid, unii-bl2q213q2m, 4-isoxazolecarboxylic acid, 5-methyl, 5-methylisoxazole-4-carboxylicacid, leflunomide impurity d ep, pubchem8652, leflunomide impurity d, acmc-209jr8, ksc235o3b
PubChem CID 1425240
SMILES CC1=C(C=NO1)C([O-])=O

Specifications

Melting Point 144°C to 149°C
Quantity 25 g
Beilstein 116000
IUPAC Name 5-methyl-1,2-oxazole-4-carboxylic acid
Formula Weight 127.1
Percent Purity ≥98%
Chemical Name or Material 5-Methylisoxazole-4-carboxylic acid

Safety and Handling

Hazard Category H315-H319-H335
Hazard Statement GHS H Statement
H315-H319-H335
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.
Precautionary Statement P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P362-P501c
EINECSNumber 000-000-0
TSCA No
Recommended Storage Ambient temperatures
SDS
Product Title
Select an issue

By clicking Submit, you acknowledge that you may be contacted by Fisher Scientific in regards to the feedback you have provided in this form. We will not share your information for any other purposes. All contact information provided shall also be maintained in accordance with our Privacy Policy.