- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: Z-Leu-ONp
- Price: Check
- Purity: 97.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: Z-Leu-ONp
- Price: ￥56.0/1g ￥196.0/5g ￥316.0/10g
- Purity: 97.0%
- Stocking Period: 2 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Nanjing Peptide Biotech Ltd
- China
- Product Name: Z-Leu-Onp
- Price: ￥Inquiry/10g ￥Inquiry/100g ￥Inquiry/1kg ￥Inquiry/10kg
- Purity: 98.0%
- Stocking Period: 7 Day
- Contact: jom
- Email: chenglong.fan@njpeptide.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: L-Leucine,N-[(phenylmethoxy)carbonyl]-, 4-nitrophenyl ester
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
1738-87-0
1738-87-0 structure
- Name: Z-Leu-ONp
- Chemical Name: (S)-4-Nitrophenyl 2-(((benzyloxy)carbonyl)amino)-4-methylpentanoate
- CAS Number: 1738-87-0
- Molecular Formula: C20H22N2O6
- Molecular Weight: 386.398
- Create Date: 2018-10-06 12:27:20
- Modify Date: 2025-08-25 15:47:01
| Name | (S)-4-Nitrophenyl 2-(((benzyloxy)carbonyl)amino)-4-methylpentanoate |
|---|---|
| Synonyms |
Carbobenzoxy-L-leucine p-nitrophenyl ester
4-Nitrophenyl N-[(benzyloxy)carbonyl]-L-leucinate (4-nitrophenyl) (2S)-4-methyl-2-(phenylmethoxycarbonylamino)pentanoate Benzyloxycarbonyl-L-leucine p-nitrophenyl ester L-Leucine, N-[(phenylmethoxy)carbonyl]-, 4-nitrophenyl ester N-Carbobenzoxy-L-leucine p-nitrophenyl ester MFCD00024656 N-(Benzyloxycarbonyl)-L-leucine p-nitrophenyl ester EINECS 217-098-8 Z-Leu-Onp Benzyloxycarbonyl-L-leucine p-nitrophenylester |
| Density | 1.2±0.1 g/cm3 |
|---|---|
| Boiling Point | 561.3±45.0 °C at 760 mmHg |
| Molecular Formula | C20H22N2O6 |
| Molecular Weight | 386.398 |
| Flash Point | 293.2±28.7 °C |
| Exact Mass | 386.147797 |
| PSA | 110.45000 |
| LogP | 4.90 |
| Vapour Pressure | 0.0±1.5 mmHg at 25°C |
| Index of Refraction | 1.566 |
| Storage condition | 2-8°C |
| WGK Germany | 3 |
|---|---|
| HS Code | 2924299090 |
|
~87%
1738-87-0 |
| Literature: Kim, Sunggak; Ko, Young Kwan Journal of the Chemical Society, Chemical Communications, 1985 , # 8 p. 473 |
|
~%
1738-87-0 |
| Literature: Journal of Organic Chemistry, , vol. 50, # 5 p. 560 - 565 |
|
~%
1738-87-0 |
| Literature: Helvetica Chimica Acta, , vol. 40, p. 373,385 |
|
~%
1738-87-0 |
| Literature: Helvetica Chimica Acta, , vol. 40, p. 373,385 |
| Precursor 4 | |
|---|---|
| DownStream 8 | |
![L-Leucine,N-[(phenylmethoxy)carbonyl]-L-leucyl-, methyl ester structure](https://image.chemsrc.com/caspic/314/3504-37-8.png)
![ethyl 2-[(4-methyl-2-phenylmethoxycarbonylamino-pentanoyl)amino]acetate structure](https://image.chemsrc.com/caspic/094/2867-06-3.png)
| HS Code | 2924299090 |
|---|---|
| Summary | 2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |