(S)-1-Boc-3-hydroxypiperidine/ Ibrutinib intermediate 143900-44-1

98% up by HPLC, USP39

EP9.0, GMP, DMF

99% up by HPLC，for R&D use only

5% up by HPLC

99% up by HPLC

Product Information Product name 2-Hydroxy-3-nitro-(1, 1-biphenyl)-3-carboxylic acid CAS No. 376591-95-6 Molecular Formula C13H9NO5 Molecular Weight 259.218 Molecular Structure Quality Standard 98% up by HPLC Appearance Slightly yellow to yellow powder COA Test Items Specification Test Results Appearance Slightly yellow to yellow powder Yellow powder MS The molecular weight should be consistent with the molecular weight of the target compound. The molecular weight should be consistent with the molecular weight of the target compound. Related substance Largest single impurity ≤0.2% 0.18% Total impurities ≤2.0% 0.34% Purity ≥ 98.0% 99.7% Residue on ignition ≤0.2% 0.08% Loss on drying ≤1.0% 0.02% Residue solvents Methanol ≤0.3% 0.01% Acetone ≤0.5% ND Dichloromethane ≤0.06% ND Heptane ≤0.5% ND Acetic acid ≤0.5% ND Conclusion The product conforms to the requirements of Enterprise standard.

Cosmetic grade, 99% up powder, 10% up liquid

99% up by HPLC