- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 2-Amino-4-methylpentanoic acid
- Price: Check
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 2-Amino-4-methylpentanoic acid
- Price: ￥98.0/25g ￥198.0/100g ￥1118.0/1kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: DL-Leucine
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
- Henan Tianfu Chemical Co., Ltd.
- China
- Product Name: CAS328-39-2 DL-2-Amino-4-methylpentanoic acid
- Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
- Purity: 99.0%
- Stocking Period: Inquiry
- Contact: Anson
- Email: info@tianfuchem.com
328-39-2
328-39-2 structure
- Name: 2-Amino-4-methylpentanoic acid
- Chemical Name: leucine
- CAS Number: 328-39-2
- Molecular Formula: C6H13NO2
- Molecular Weight: 131.173
- Catalog: Biochemical Common amino acids and protein drugs
- Create Date: 2018-05-14 08:00:00
- Modify Date: 2025-08-21 12:31:37
| Name | leucine |
|---|---|
| Synonyms |
α-Aminoisocaproic acid
(RS)-Leucine (.+-.)-Leucine DL-Leucin Leucine, DL- α-Amino-γ-methylvaleric acid MFCD00063087 Leucine (±)-Leucine Pentanoic acid, 2-amino-4-methyl- 2-Amino-4-methylpentanoic acid Leucine,DL H-DL-LEU-OH DL-2-Amino-4-methylpentanoicacid (±)-2-Amino-4-methylpentanoic acid QVYZ1Y1&1 &&DL or (RS)- Form DL-2-Amino-4-methylpentanoic acid DL-LEU DL-LEUCINE ucine,dl EINECS 206-328-2 2-Amino-4-methylvaleric acid DL-2-Amino-4-methyl pentanoicacid |
| Density | 1.0±0.1 g/cm3 |
|---|---|
| Boiling Point | 225.8±23.0 °C at 760 mmHg |
| Melting Point | 293-296ºC |
| Molecular Formula | C6H13NO2 |
| Molecular Weight | 131.173 |
| Flash Point | 90.3±22.6 °C |
| Exact Mass | 131.094635 |
| PSA | 63.32000 |
| LogP | 0.73 |
| Vapour Pressure | 0.0±0.9 mmHg at 25°C |
| Index of Refraction | 1.463 |
| Storage condition | Store at RT. |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| Water Solubility | soluble |
| Personal Protective Equipment | Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter |
|---|---|
| Hazard Codes | Xn |
| Safety Phrases | S24/25 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 3 |
| HS Code | 29224995 |
| Precursor 9 | |
|---|---|
| DownStream 10 | |
| HS Code | 2922499990 |
|---|---|
| Summary | HS:2922499990 other amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0% |