CERTIFICATE OF ANALYSIS

1. Identification

Catalogue Number: D446305 CAS Number: 11024-24-1 Product: Digitonin Synonym: (2α,3β,5α,15β,25R)-2,15-Dihydroxyspirostan-3-yl O-β-D-glucopyranosyl-(1→3)-O-β-D-galactopyranosyl-(1→2)-O-[β-D-xylopyranosyl-(1→3)]-O-β-D-glucopyranosyl-(1→4)-β-D-galactopyranoside; 3-[O-β-D-glucopyranosyl-(1→3)-O-β-D-galactopyranosyl-(1→2)-O-[β-D-xylopyranosyl-(1→3)]-O-β-D-glucopyranosyl-(1→4)-β-D-galactopyranoside]digitogenin; Spirostan β-D-galactopyranoside deriv.; Digitin; NSC 23471; NSC 237417 Structure: Molecular Formula: C₅₆H₉₂O₂₉ Molecular weight: 1229.31 Source of Product: N/A Solubility: DMSO (Slightly) Lot Number: 1-AMZ-116-1 Purity: 95% Shipping Condition: This Product Is Stable To Be Shipped At Room Temperature Storage Condition: Hygroscopic, -20°C Freezer, Under inert atmosphere

2. Warning

Warning 1: Hygroscopic Warning 2: Toxic Warning 3:

3. Analytical Information

Tests: Specifications: Results: Appearance White to Off-White Solid White to Off-White Solid NMR Conforms to Structure Conforms Elemental Analysis Conforms %C: 51.96, %H: 8.28 MS Conforms to Structure Conforms Water Content Report Result 8.3% by Karl Fischer

Additional Information: Elemental Analysis: (Theoretical) %C: 54.71, %H: 7.54

Purity is based on the analytical results of the tests performed. NMR and Elemental Analysis (if available) may have an accuracy of ±2%. Isotopic purity is based on mass distribution observed.

4. Signatures

Reviewed By Reviewed By C of A Approved By Test Date Retest Date Xhoana Gjergji Toni Rantanen My Nguyen

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