Z-L-aspartic acid di-tert-butyl ester
Also known as: (S)-di-tert-butyl 2-(benzyloxycarbonylamino)succinate, Bis(2-methyl-2-propanyl) N-[(benzyloxy)carbonyl]-L-aspartate, CBZ-Asp(OtBu)-OtBu, CBZ-L-aspartic acid di-tert-butyl ester, Z-L-Asp(OtBu)-OtBu, L-Aspartic acid, N-[(phenylmethoxy)carbonyl]-, 1,4-bis(1,1-dimethylethyl) ester, di-tert-butyl N-Cbz-L-aspartate
Z-L-aspartic acid di-tert-butyl ester (CAS 42417-76-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C20H29NO6 and a molecular weight of 379.447 g/mol. Key properties include a boiling point of 485.5±45.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 247.4±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 42417-76-5
- Jingsj CID
- J-1438989-0
- Molecular Formula
- C20H29NO6
- Molecular Weight
- 379.447 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 485.5±45.0 °C at 760 mmHg |
|---|---|
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 247.4±28.7 °C |
| Exact Mass | 379.199493 |
| PSA | 90.93000 |
| LogP | 4.97 |
| Vapor Pressure | 0.0±1.2 mmHg at 25°C |
| Refractive Index | 1.501 |
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-aspartic acid di-tert-butyl ester?
The CAS number of Z-L-aspartic acid di-tert-butyl ester is 42417-76-5.
What are the molecular formula and molecular weight of Z-L-aspartic acid di-tert-butyl ester?
Z-L-aspartic acid di-tert-butyl ester has molecular formula C20H29NO6 and molecular weight 379.447 g/mol.
What are the upstream and downstream products of Z-L-aspartic acid di-tert-butyl ester?
For Z-L-aspartic acid di-tert-butyl ester, Upstream Products: tert-Butyl acetate, N-Carbobenzyloxy-L-aspartic acid, tert-Butyl formate.
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-aspartic acid di-tert-butyl ester (CAS 42417-76-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1438989-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.