D-青霉胺

产品属性（Product Properties）

项目中文英文化学名称D-(-)-3,3-二甲基半胱氨酸；D-β-巯基缬氨酸D-(-)-3,3-Dimethylcysteine; D-β-Mercaptovaline外观白色或类白色结晶性粉末White or almost white crystalline powder溶解性水中易溶，乙醇中微溶，乙醚/氯仿中不溶Freely soluble in water, slightly soluble in alcohol, insoluble in ether/chloroform

熔点198.5℃（分解）198.5 °C (dec.)比旋度[α]₂₀ᴅ -60°～-64°（c=1，1mol/L NaOH）[α]₂₀ᴅ -60° to -64° (c=1, 1N NaOH)

纯度（试剂级）≥98.0%（中和滴定）≥98.0% (Neutralization titration)稳定性稳定，与强氧化剂不相容Stable, incompatible with strong oxidizing agents储存条件2–8℃冷暗干燥处密封保存Store at 2–8°C in a cool, dry place主要用途重金属解毒、肝豆状核变性、类风湿关节炎Heavy metal detoxification, Wilson's disease, rheumatoid arthritis

使用说明（Usage & Administration）

适应症（Indications）

中文英文肝豆状核变性（Wilson病）、重金属中毒（铜/铅/汞等）、胱氨酸尿及结石、严重活动性类风湿关节炎Wilson's disease, heavy metal poisoning (Cu/Pb/Hg), cystinuria & stones, severe active rheumatoid arthritis

Usage肝豆状核变性成人每日1.5–2.0g，分3–4次；维持量750–1000mg/日；儿童20mg/kg/日Adults: 1.5–2.0 g daily in divided doses; maintenance 750–1000 mg daily; Children: 20 mg/kg/day

重金属中毒成人每日1–1.5g，分3–4次，5–7日为1疗程；疗程间歇3日Adults: 1–1.5 g daily in divided doses, 5–7 days per course; rest 3 days between courses

类风湿关节炎初始125–250mg/日，每1–12月递增125–250mg；维持量500–750mg/日，最大1500mg/日Initial: 125–250 mg daily, increase by 125–250 mg every 1–12 months; maintenance: 500–750 mg daily, max 1500 mg daily

胱氨酸尿溶石：1–3g/日；预防：500–1000mg睡前服；每日饮水≥3LStone dissolution: 1–3 g daily; prophylaxis: 500–1000 mg at bedtime; water intake ≥3 L/day