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- 详细信息
- 文献和实验
- 技术资料
- 保存条件:
2-8℃
- 保质期:
见包装
- 英文名:
Levodopa
- 库存:
大量现货
- 供应商:
上海研谨生物
- CAS号:
59-92-7
- 规格:
20mg
左旋多巴
分析标准品,HPLC≥98%
Levodopa
CAS号:59-92-7
分子式:C9H11NO4
分子量:197.2
MDL:MFCD00002598
别名:左多巴,3-(3,4-Dihydroxyphenyl)-L-alanine; L-3-(3,4-Dihydroxyphenyl)alanine; L-DOPA
|
货号 |
规格/参数/品牌 |
价格 |
货期 |
|
YJ-B21710-20mg |
分析标准品,HPLC≥98% |
¥180.00 |
现货 |
|
YJ-B21710-100mg |
分析标准品,HPLC≥98% |
¥480.00 |
现货 |
|
JS20191-25g |
BR,99% |
¥170.00 |
现货 |
|
JS20191-100g |
BR,99% |
¥280.00 |
现货 |
|
JS20191-500g |
BR,99% |
¥880.00 |
现货 |
产品介绍
是人和动物体内合成去甲肾上 腺素和多巴胺的前体之一,是具有儿茶素轻碱的神经递质多巴胺前体,可用于帕金森病的药物治疗方向的研究。
熔点:276-278℃(lit.)
沸点:448.4 ℃ at 760 mmHg
比旋光度:-11.7 o (C=5.3, 1N HCL)
外观:白色至乳白色结晶粉末
溶解性:Souble in 1M HCl,溶液形式不稳定,溶解后请尽快使用
敏感性:对光和空气敏感
储存条件:2-8℃
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文献和实验参考文献(64篇)
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【参考范围】放免法:峰值(儿童)12~16μg/L(12~16ng/ml);达峰时间60~120min;阳性反应率0.86~0.91(86%~91%)。 【影响因素】1.部分患者口服左旋多巴后会有胃肠道反应。 2.按10mg/kg体重于早餐后口服左旋多巴,分别于服药后30、60、120min取血测定GH水平。 3.心功能不全者慎用。 【临床意义】同精氨酸刺激试验。医学教育|网搜集整理
左旋多巴兴奋试验: 【参考范围】放免法:峰值(儿童)12~16μg/L(12~16ng/ml);达峰时间60~120min;阳性反应率0.86~0.91(86%~91%)。 【影响因素】1.部分患者口服左旋多巴后会有胃肠道反应。 2.按10mg/kg体重于早餐后口服左旋多巴,分别于服药后30、60、120min取血测定GH水平。 3.心功能不全者慎用医`学教育网搜集整理。 【临床意义】同精氨酸刺激试验。
佚名 左旋多巴 左旋多巴(levodopa)又称L-多巴(L-dopa),为酪氨酸的羟化物,在体内是左旋酪氨酸合成儿茶酚胺的中间产物。 【体内过程】口服左旋多巴后,通过芳香族氨基酸的主动转运系统从小肠迅速吸收,约0.5~2小时,血药浓度达峰值,血浆t 1/2 为1~3小时。其吸收速率受多种
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