- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: Z-Asn-OtBu
- Price:
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Nanjing Peptide Biotech Ltd
- China
- Product Name: Z-Asn-OtBu
- Price: ￥Inquiry/10g ￥Inquiry/100g ￥Inquiry/1kg ￥Inquiry/10kg
- Purity: 98.0%
- Stocking Period: 7 Day
- Contact: jom
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: Z-ASN-OTBU
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
25456-85-3
25456-85-3 structure
- Name: Z-Asn-OtBu
- Chemical Name: tert-butyl (2S)-4-amino-4-oxo-2-(phenylmethoxycarbonylamino)butanoate
- CAS Number: 25456-85-3
- Molecular Formula: C16H22N2O5
- Molecular Weight: 322.356
- Create Date: 2018-06-14 16:54:07
- Modify Date: 2024-01-12 22:17:45
| Name | tert-butyl (2S)-4-amino-4-oxo-2-(phenylmethoxycarbonylamino)butanoate |
|---|---|
| Synonyms |
Z-L-asparagine tert-butyl ester
2-Methyl-2-propanyl N-[(benzyloxy)carbonyl]-L-asparaginate L-Asparagine, N-[(phenylmethoxy)carbonyl]-, 1,1-dimethylethyl ester Z-Asn-OtBu Carbobenzoxy-L-asparagin-tert.-butylester tert-butyl (2S)-3-carbamoyl-2-[(phenylmethoxy)carbonylamino]propanoate (S)-N-benzyloxycarbonylaspargine t-butyl ester |
| Density | 1.2±0.1 g/cm3 |
|---|---|
| Boiling Point | 542.0±50.0 °C at 760 mmHg |
| Molecular Formula | C16H22N2O5 |
| Molecular Weight | 322.356 |
| Flash Point | 281.6±30.1 °C |
| Exact Mass | 322.152863 |
| PSA | 107.72000 |
| LogP | 2.65 |
| Vapour Pressure | 0.0±1.4 mmHg at 25°C |
| Index of Refraction | 1.528 |
| HS Code | 2924299090 |
|---|
|
~%
25456-85-3 |
| Literature: Callahan,F.M. et al. Journal of the American Chemical Society, 1963 , vol. 85, p. 201 - 207 |
|
~%
25456-85-3 |
| Literature: Vasella; Voeffray Helvetica Chimica Acta, 1983 , vol. 66, # 4 p. 1241 - 1252 |
|
~%
25456-85-3 |
| Literature: Vasella, Andrea; Voeffray, Robert Journal of the Chemical Society, Chemical Communications, 1981 , # 3 p. 97 - 98 |
|
~%
25456-85-3 |
| Literature: Vasella; Voeffray Helvetica Chimica Acta, 1983 , vol. 66, # 4 p. 1241 - 1252 |
|
~%
25456-85-3 |
| Literature: Vasella; Voeffray Helvetica Chimica Acta, 1983 , vol. 66, # 4 p. 1241 - 1252 |
|
~%
25456-85-3 |
| Literature: Vasella; Voeffray Helvetica Chimica Acta, 1983 , vol. 66, # 4 p. 1241 - 1252 |
|
~%
25456-85-3 |
| Literature: Galpin; Hancock; Kenner Tetrahedron, 1983 , vol. 39, # 1 p. 149 - 158 |
|
~%
25456-85-3 |
| Literature: Vasella; Voeffray Helvetica Chimica Acta, 1983 , vol. 66, # 4 p. 1241 - 1252 |
| Precursor 8 | |
|---|---|
| DownStream 2 | |
| 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% |