Phthalic acid dibutyl soution standard material 500μg/mL u=3% matrix: n-hexane 84-74-2 C₁₆H₂₂O₄ 278.35 g./mol ฿980.00 View
Ampicillin trihydrate Comply with USP testing specifications 7177-48-2 C₁₆H₁₉N₃O₄S·₃H₂O 403.45 g./mol ฿2,850.00 View