Z-L-asparagine tert-butyl ester
Also known as: Z-Asn-OtBu, Z-ASN-OTBU, Z-L-asparagine t-butyl ester, Z-L-asparagine tert-butyl ester, N-ALPHA-CARBOBENZOXY-L-ASPARAGINE T-BUTYL ESTER, N-CBZ-L-asparagine t-butyl ester, N2-[(Phenylmethoxy)carbonyl]-L-asparagine 1,1-dimethylethyl ester, tert-butyl (2S)-4-amino-4-oxo-2-(phenylmethoxycarbonylamino)butanoate, tert-butyl (2S)-3-carbamoyl-2-[(phenylmethoxy)carbonylamino]propanoate, Carbobenzoxy-L-asparagin-tert.-butylester, L-Asparagine, N-[(phenylmethoxy)carbonyl]-, 1,1-dimethylethyl ester, Nα-Z-L-asparagine tert-butyl ester
Z-L-asparagine tert-butyl ester (CAS 25456-85-3) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C16H22N2O5 and a molecular weight of 322.356 g/mol. Key properties include a boiling point of 542.0±50.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 281.6±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 25456-85-3
- Jingsj CID
- J-1360541-9
- Molecular Formula
- C16H22N2O5
- Molecular Weight
- 322.356 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 542.0±50.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 281.6±30.1 °C |
| Exact Mass | 322.152863 |
| PSA | 107.72000 |
| LogP | 2.65 |
| Vapor Pressure | 0.0±1.4 mmHg at 25°C |
| Refractive Index | 1.528 |
Customs & Trade Information
| 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% |
Frequently Asked Questions
What is the CAS number of Z-L-asparagine tert-butyl ester?
The CAS number of Z-L-asparagine tert-butyl ester is 25456-85-3.
What are the molecular formula and molecular weight of Z-L-asparagine tert-butyl ester?
Z-L-asparagine tert-butyl ester has molecular formula C16H22N2O5 and molecular weight 322.356 g/mol.
What are the upstream and downstream products of Z-L-asparagine tert-butyl ester?
For Z-L-asparagine tert-butyl ester, Upstream Products: Isobutylene, N-Benzyloxycarbonyl-L-asparagine; Downstream Products: L-Asparagine tert-butyl ester, N-Benzyloxycarbonyl-L-asparagine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Z-L-asparagine tert-butyl ester (CAS 25456-85-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1360541-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.