Z-L-aspartic acid di-tert·butyl ester

Names

[ Name ]:
Z-L-aspartic acid di-tert·butyl ester

[Synonym ]:
di-tert-butyl N-acetylcystinate
di-tert-butyl N-Cbz-L-aspartate
L-Aspartic acid, N-[(phenylmethoxy)carbonyl]-, bis(1,1-dimethylethyl) ester
Bis(2-methyl-2-propanyl) N-[(benzyloxy)carbonyl]-L-aspartate

Chemical & Physical Properties

[ Density]:
1.1±0.1 g/cm3

[ Boiling Point ]:
485.5±45.0 °C at 760 mmHg

[ Molecular Formula ]:
C₂₀H₂₉NO₆

[ Molecular Weight ]:
379.447

[ Flash Point ]:
247.4±28.7 °C

[ Exact Mass ]:
379.199493

[ PSA ]:
90.93000

[ LogP ]:
4.97

[ Vapour Pressure ]:
0.0±1.2 mmHg at 25°C

[ Index of Refraction ]:
1.501

Safety Information

[ HS Code ]:
2924299090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ 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%