Z-Asn-OtBu

Suppliers

Names

[ Name ]:
Z-Asn-OtBu

[Synonym ]:
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

Chemical & Physical Properties

[ 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

Safety Information

[ HS Code ]:
2924299090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

(2S)-3-cyano-2-(phenylmethoxycarbonylamino)propanoic acid
Isobutylene
(S)-tert-butyl isoxazolidine-3-carboxylate
t-butyl (3S)-2-(2,3:5,6-di-O-isopropylidene-α-D-mannofuranosyl)-3-isoxazolidinecarboxylate
t-Butyl (2S)-2-[(Benzyloxycarbonylamino)]-4-hydroxybutyrate
Benzyl chloroformate
H-Ser-OtBu
Z-Asn-OH

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%