product name: boc-3-(4-pyridyl)-l-alanine lot no.: gls170510-20113

cas no.: 37535-57-2 store at: cool dry place(<25oc)

molecular formula: c13h18n2o4 molecularweight: 266.3

manufacturing date: 2017-5-10 retest date: 2018-11-10

melting point: 225.1-226.1oc specific rotation[a]20

d: -29.1o(c=1 dmf)

optical purity: 0.0303% d-enantiomer

tests specifications results

appearance

purity(hplc)

clarity of solution

loss on drying

ir spectrum

mass spectrum

nmr spectrum

white to off white powder

≥98%

0.3 gram in 2ml acoh clear solution

≤1.0%(105oc,2h)

in accordance with the structure

in accordance with the structure

in accordance with the structure

complies

98.38%

complies

0.77%

complies

complies

complies

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