- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 5-Methyl-4-isoxazolecarboxylic acid
- Price: ￥598.0/25g ￥178.0/5g
- Purity: 98.0%
- Stocking Period: 2 Day
- Contact: Liu jia
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 5-Methyl-4-isoxazolecarboxylic acid
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Henan Tianfu Chemical Co., Ltd.
- China
- Product Name: CAS No.42831-50-5 5-Methyl-4-isoxazolecarboxylic acid
- Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
- Purity: 99.0%
- Stocking Period: Inquiry
- Contact: Anson
42831-50-5
42831-50-5 structure
- Name: 5-Methyl-4-isoxazolecarboxylic acid
- Chemical Name: 5-Methylisoxazole-4-carboxylic Acid
- CAS Number: 42831-50-5
- Molecular Formula: C5H5NO3
- Molecular Weight: 127.098
- Create Date: 2018-04-06 08:00:00
- Modify Date: 2024-01-02 20:29:13
| Name | 5-Methylisoxazole-4-carboxylic Acid |
|---|---|
| Synonyms |
T5NOJ C1 DVQ
4-Isoxazolecarboxylic acid, 5-methyl- 5-Methylisoxazole-4-carboxylic acid 5-Methyl-4-isoxazolecarboxylic acid 5-Methyl-1,2-oxazole-4-carboxylic acid MFCD00955655 Leflunomide Impurity 4 |
| Density | 1.3±0.1 g/cm3 |
|---|---|
| Boiling Point | 308.3±22.0 °C at 760 mmHg |
| Melting Point | 144-148 °C(lit.) |
| Molecular Formula | C5H5NO3 |
| Molecular Weight | 127.098 |
| Flash Point | 140.3±22.3 °C |
| Exact Mass | 127.026939 |
| PSA | 63.33000 |
| LogP | 0.22 |
| Vapour Pressure | 0.0±0.7 mmHg at 25°C |
| Index of Refraction | 1.514 |
| Hazard Codes | Xi:Irritant; |
|---|---|
| Risk Phrases | R36/37/38 |
| Safety Phrases | S22-S26-S36/37/39-S36 |
| WGK Germany | 3 |
| HS Code | 2934999090 |
| Precursor 5 | |
|---|---|
| DownStream 3 | |
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |