Product Name: Bz-Tyr-OEt Lot No.: GLS170521-16034

CAS No.: 3483-82-7 Store at: Cool dry place(<25oC)

Molecular Formula: C18H19NO4 MolecularWeight: 313.40

Manufacturing Date: 2017-5-21 Retest Date 2018-5-21

Specific Rotation[a]20

D: -27.0o(C=1 in EtOH) Melting Point: 120.1-120.4oC

Tests Specifications Results

Appearance

Purity(HPLC)

Clarity of solution

Water Content(K.F.)

Loss on drying

IR Spectrum

Mass Spectrum

NMR Spectrum

White to off white crystal

≥98%

0.3 gram in 2ml DMF clear solution

≤1.0%

≤1.0%(70oC,2h)

In accordance with the structure

In accordance with the structure

In accordance with the structure

White crystal

99.86%

Complies

0.139%

0.42%

Complies

Complies

Complies