A5356312
5-Methylisoxazole-4-carboxylic Acid , 98% , 42831-50-5
CAS NO.:42831-50-5
Empirical Formula: C5H5NO3
Molecular Weight: 127.1
MDL number: MFCD00955655
EINECS: 1312995-182-4
Pack Size | Price | Stock | Quantity |
5G | RMB39.20 | In Stock |
|
25G | RMB127.20 | In Stock |
|
100G | RMB399.20 | In Stock |
|
others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
Melting point: | 144-148 °C(lit.) |
Boiling point: | 308.3±22.0 °C(Predicted) |
Density | 1.348±0.06 g/cm3(Predicted) |
storage temp. | Sealed in dry,Room Temperature |
solubility | DMSO (Slightly), Methanol (Slightly) |
form | Solid |
pka | 2.85±0.25(Predicted) |
color | White to Pale Brown |
BRN | 116000 |
CAS DataBase Reference | 42831-50-5(CAS DataBase Reference) |
Description and Uses
5-Methylisoxazole-4-carboxylic Acid (Leflunomide EP Impurity D) is an intermediate for synthesis of Leflunomide (L322750). Herbicidal activities towards Digitaria ciliaris.
Safety
Symbol(GHS) | GHS07 |
Signal word | Warning |
Hazard statements | H315-H319-H335 |
Precautionary statements | P261-P280a-P304+P340-P305+P351+P338-P405-P501a |
Hazard Codes | Xi,F |
Risk Statements | 36/37/38-37/38-36-10 |
Safety Statements | 22-26-36/37/39-36-16 |
WGK Germany | 3 |
HazardClass | IRRITANT |
HS Code | 29349990 |