產(chǎn)品屬性（Product Properties）
項(xiàng)目中文英文化學(xué)名稱D-(-)-3,3-二甲基半胱氨酸；D-β-巰基纈氨酸D-(-)-3,3-Dimethylcysteine; D-β-Mercaptovaline外觀白色或類白色結(jié)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
熔點(diǎn)198.5℃（分解）198.5 °C (dec.)比旋度[α]??? -60°～-64°（c=1，1mol/L NaOH）[α]??? -60° to -64° (c=1, 1N NaOH)
純度（試劑級(jí)）≥98.0%（中和滴定）≥98.0% (Neutralization titration)穩(wěn)定性穩(wěn)定，與強(qiáng)氧化劑不相容Stable, incompatible with strong oxidizing agents儲(chǔ)存條件2–8℃冷暗干燥處密封保存Store at 2–8°C in a cool, dry place主要用途重金屬解毒、肝豆?fàn)詈俗冃?、類風(fēng)濕關(guān)節(jié)炎Heavy metal detoxification, Wilson's disease, rheumatoid arthritis
使用說明（Usage & Administration）
適應(yīng)癥（Indications）
中文英文肝豆?fàn)詈俗冃裕╓ilson?。⒅亟饘僦卸荆ㄣ~/鉛/汞等）、胱氨酸尿及結(jié)石、嚴(yán)重活動(dòng)性類風(fēng)濕關(guān)節(jié)炎Wilson's disease, heavy metal poisoning (Cu/Pb/Hg), cystinuria & stones, severe active rheumatoid arthritis
Usage肝豆?fàn)詈俗冃猿扇嗣咳?.5–2.0g，分3–4次；維持量750–1000mg/日；兒童20mg/kg/日Adults: 1.5–2.0 g daily in divided doses; maintenance 750–1000 mg daily; Children: 20 mg/kg/day
重金屬中毒成人每日1–1.5g，分3–4次，5–7日為1療程；療程間歇3日Adults: 1–1.5 g daily in divided doses, 5–7 days per course; rest 3 days between courses
類風(fēng)濕關(guān)節(jié)炎初始125–250mg/日，每1–12月遞增125–250mg；維持量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；預(yù)防：500–1000mg睡前服；每日飲水≥3LStone dissolution: 1–3 g daily; prophylaxis: 500–1000 mg at bedtime; water intake ≥3 L/day
關(guān)鍵字： D青霉胺;