- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: n(alpha)-ethoxycarbonyl-l-asparagine
- Price: Check
- Purity: 97.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Nanjing Peptide Biotech Ltd
- China
- Product Name: EOC-Asn
- 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: (S)-4-AMINO-2-((ETHOXYCARBONYL)AMINO)-4-OXOBUTANOIC ACID
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
16639-91-1
16639-91-1 structure
- Name: n(alpha)-ethoxycarbonyl-l-asparagine
- Chemical Name: (2S)-4-amino-2-(ethoxycarbonylamino)-4-oxobutanoic acid
- CAS Number: 16639-91-1
- Molecular Formula: C7H12N2O5
- Molecular Weight: 204.18100
- Catalog: Biochemical Amino acids and their derivatives Aspartic acid derivative
- Create Date: 2018-12-31 11:26:48
- Modify Date: 2025-08-22 20:26:29
| Name | (2S)-4-amino-2-(ethoxycarbonylamino)-4-oxobutanoic acid |
|---|---|
| Synonyms |
N2-Aethoxycarbonyl-asparagin
N-CARBETHOXY-L-ASPARAGINE ASP001 N2-ethoxycarbonyl-asparagine EOC-L-ASPARAGINE N(ALPHA)-ETHOXYCARBONYL-L-ASPARAGINE |
| Density | 1.341 g/cm3 |
|---|---|
| Boiling Point | 500.1ºC at 760 mmHg |
| Melting Point | 166ºC (dec.) |
| Molecular Formula | C7H12N2O5 |
| Molecular Weight | 204.18100 |
| Flash Point | 256.2ºC |
| Exact Mass | 204.07500 |
| PSA | 118.72000 |
| LogP | 0.15230 |
| Vapour Pressure | 2.33E-11mmHg at 25°C |
| Index of Refraction | 1.502 |
| Safety Phrases | S22-S24/25 |
|---|---|
| HS Code | 2924199090 |
| Precursor 2 | |
|---|---|
| DownStream 1 | |
| HS Code | 2924199090 |
|---|---|
| Summary | 2924199090. other acyclic amides (including acyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |