Purity: 98% Appearance: White or Almost White Crystalline Powder

Appearance: Nearly white crystalline powder, soluble in alcohol, insoluble Assay: 99%

4-Androstenedione 63-05-8 4-雄烯二酮 C19H26O2 99%min Off-white powder

Appearance: White to Light yellowish powder Solubility: Soluble to 100 mM in DMSO and to 50 mM in ethanol with gentle warming Storage：Store powder at -20 ºC for the stability of two years Purity: ≥98%

Appearance White or almost white crystalline powder Identification Positive Melting point 191°C ~195°C Absorbance(E1cm) 465~495 Specific Rotation +288°~ +298° Heay Metals ≤20 ppm Residue Solvents ≤0.2% Loss on drying ≤0.5% Residue On Ignition ≤0.1% Assay 98.0%~102.0% Related Substances Total ≤1.5% Single ≤0.5%

Content: ≥98.5％ Melting Point: 240.0~244.0℃ Packing: 1kg/foil bag Apperance: white crystalline powder Storage: shading, confined preservation.

Appearance : White Or Almost White Crystalline Powder Storage: Shading, confined preservation

Description White Or Almost White Crystalline Powder White Crystalline Powder Melting Point 63℃—69℃ 65℃—68℃ Specific Rotation +20º—+30º +25.6° Loss On Drying ≤0.5% 0.32% Residue On Ignition ≤0.1% 0.02% Assay ≥97%

Assay 99% Appearance White to light yellow crystalline powder

Appearance White crystalline powder Identification IR Specific optical rotation +80°~ +90° Loss on drying ≤0.5% Residue on ignition ≤0.1% Related substance Individual impurity ≤0.1% The sum of impurities ≤2.0% Heay metals ≤20ppm Assay 98.0~102.0%(on dried basis)

Appearance Yellow to off white crystalline powder Identification Conforms Melting point 92~96℃ Absorbance ≤0.30% Specific rotation +39°~ +43° Individual impurity ≤0.5% Limited of trenbolone Acetate 17α-isomer ≤0.5% Total impurity ≤1.0% Loss on drying ≤0.5% Residue on ignition ≤0.10% Assay 97.0~101.0%

Description White Or Almost White Crystalline Powder White Crystalline Powder Melting Point 139℃~ 145℃ 139.5℃~ 142.5℃ Loss On Drying ≤0.50% 0.34% Specific Rotation +55°~ +58° +57.4° Assay 97~102% 98.66%