计算溶液所需的质量、体积或浓度。
活性类型 | 活性值-log(M) | 作用机制 | 期刊 | 参考文献(PubMed IDs) |
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货号 (SKU) | 包装规格 | 是否现货 | 价格 | 数量 |
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L129699-250mg |
250mg |
现货 ![]() |
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L129699-1g |
1g |
现货 ![]() |
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L129699-5g |
5g |
现货 ![]() |
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L129699-25g |
25g |
现货 ![]() |
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L129699-100g |
100g |
现货 ![]() |
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别名 | 左乙拉西坦 | (S)-2-(2-氧代-1-吡咯烷基)丁酰胺 |
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英文别名 | Etiracetam levo-isomer | Levetiracetam teva | Levipil | SR-01000759400 | 1-Pyrrolidineacetamide, alpha-ethyl-2-oxo-, (alphaS)- | LEVETIRACETAM [USAN] | KeppraXR | LEVETIRACETAM [HSDB] | 1-Pyrrolidineacetamide, alpha-ethyl-2-oxo-, (S)- | etiracetam, S-isom |
规格或纯度 | Moligand™, ≥99% |
英文名称 | Levetiracetam |
生化机理 | 左乙拉西坦是一种具有抗癫痫活性的吡咯烷类药物。左乙拉西坦的立体选择性结合仅限于中枢神经系统的突触质膜,在外周组织中没有结合。左乙拉西坦抑制突发性发射,但不影响神经元的正常兴奋性,这表明它可以选择性地防止癫痫样突发性发射的超同步化和癫痫发作活动的传播。与大脑中的突触囊泡蛋白(SV2A)结合。 |
储存温度 | -20°C储存 |
运输条件 | 超低温冰袋运输 |
作用类型 | 抑制剂 |
作用机制 | 电压门控 N 型钙通道 alpha-1B 亚基阻断剂 |
备注 | 如果有可能,您尽量在使用的当天配置溶液,并在当天使用完它。但是,如果您需要预先配制储备溶液,我们建议您将溶液等份保存在-20°C的密封小瓶中。通常,它们最多可以使用一个月。在使用前和打开样品瓶之前,我们建议您让您的产品在室温下平衡至少1小时。需要更多关于溶解度,用法和处理的建议吗?请访问我们的常见问题(FAQ)页面以获取更多详细信息。 |
产品介绍 |
Levetiracetam is an antiepileptic which displays distinctive properties from conventional antiepileptic drμgs. Displays potent seizure protection in animal models of chronic epilepsy but lacks activity in acute seizure models. Binds synaptic vesicle protein 2A (SV2A) and inhibits Na+-dependent Cl-/HCO3- exchange.A compound which inhibits burst firing without affecting normal neuronal excitability Levetiracetam is an antiepileptic which displays distinctive properties from conventional antiepileptic drugs. Displays potent seizure protection in animal models of chronic epilepsy but lacks activity in acute seizure models. Binds synaptic vesicle protein 2A (SV2A) and inhibits Na+-dependent Cl-/HCO3- exchange. |
ALogP | -0.3 |
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作用机制 | Action Type | target ID | Target Name | Target Type | Target Organism | Binding Site Name | 参考文献 |
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PubChem SID | 504763500 |
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分子类型 | 小分子 |
IUPAC Name | (2S)-2-(2-oxopyrrolidin-1-yl)butanamide |
INCHI | InChI=1S/C8H14N2O2/c1-2-6(8(9)12)10-5-3-4-7(10)11/h6H,2-5H2,1H3,(H2,9,12)/t6-/m0/s1 |
InChi Key | HPHUVLMMVZITSG-LURJTMIESA-N |
Canonical SMILES | CCC(C(=O)N)N1CCCC1=O |
Isomeric SMILES | CC[C@@H](C(=O)N)N1CCCC1=O |
WGK Germany | 3 |
RTECS | UX9656166 |
PubChem CID | 5284583 |
分子量 | 170.21 |
Reaxy-Rn | 8407472 |
溶解性 | Soluble in water (34 mg/ml at 25 °C), DMSO (34 mg/ml at 25 °C), and ethanol (34 mg/ml at 25 °C). |
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比旋光度 | -88° (C=1,Acetone) |
熔点 | 118 °C |
分子量 | 170.210 g/mol |
XLogP3 | -0.300 |
氢键供体数Hydrogen Bond Donor Count | 1 |
氢键受体数Hydrogen Bond Acceptor Count | 2 |
可旋转键计数Rotatable Bond Count | 3 |
精确质量Exact Mass | 170.106 Da |
单同位素质量Monoisotopic Mass | 170.106 Da |
拓扑极表面积Topological Polar Surface Area | 63.400 Ų |
重原子数Heavy Atom Count | 12 |
形式电荷Formal Charge | 0 |
复杂度Complexity | 203.000 |
同位素原子数Isotope Atom Count | 0 |
定义的原子立体中心计数Defined Atom Stereocenter Count | 1 |
未定义的原子立体中心计数Undefined Atom Stereocenter Count | 0 |
定义的键立体中心计数Defined Bond Stereocenter Count | 0 |
未定义的键立体中心计数Undefined Bond Stereocenter Count | 0 |
所有立体化学键的总数The total count of all stereochemical bonds | 0 |
共价键合单元计数Covalently-Bonded Unit Count | 1 |
象形图 | GHS07 |
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信号词 | Warning |
危险声明 |
H319: 引起严重眼睛刺激 H302: 吞食有害 |
预防措施声明 |
P305+P351+P338: 如进入眼睛:用水小心冲洗几分钟。如戴隐形眼镜并可方便地取出,取出隐形眼镜。继续冲洗。 P280: 戴防护手套/穿防护服/戴防护眼罩/戴防护面具。 P501: 将内容物/容器处理到。。。 P264: 处理后要彻底洗手。 P270: 使用本产品时,请勿进食、饮水或吸烟。 P330: 漱口 P264+P265: 处理后彻底洗手[和…]。不要触摸眼睛。 P301+P317: 如果被吞咽:请寻求医疗帮助。 P337+P317: 如果眼睛刺激持续:寻求医疗帮助。 |
WGK Germany | 3 |
RTECS | UX9656166 |
Reaxy-Rn | 8407472 |
个人防护装备 | dust mask type N95 (US), Eyeshields, Gloves |
Nitrogen by Elemental Analysis | 16.1-16.7(%) |
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Specific Rotation [a]20/D(c=1 in Acetone) | -90--86(°) |
Carbon by Elemental Analysis | 55.7-56.6(%) |
Oxygen by Elemental Analysi | 18.4-19(%) |
Purity(HPLC) | 99-100(%) |
Melting point | 116-120(℃) |
Appearance(L129699) | White to Off-White Powder or Crystals |
Proton NMR spectrum | Conforms to Structure |
通过匹配包装上的批号来查找并下载产品的 COA,每批产品都进行了严格的验证,您可放心使用!
批号(Lot Number) | 证书类型 | 日期 | 货号 |
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分析证书 | 24-12-06 | L129699 |
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分析证书 | 24-12-06 | L129699 |
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分析证书 | 24-12-06 | L129699 |
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分析证书 | 24-06-15 | L129699 |
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分析证书 | 24-05-06 | L129699 |
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分析证书 | 24-05-06 | L129699 |
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分析证书 | 24-05-06 | L129699 |
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分析证书 | 24-05-06 | L129699 |
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分析证书 | 24-05-06 | L129699 |
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分析证书 | 24-05-06 | L129699 |
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分析证书 | 24-05-06 | L129699 |
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分析证书 | 23-05-10 | L129699 |
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分析证书 | 22-01-21 | L129699 |
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分析证书 | 22-01-21 | L129699 |
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分析证书 | 22-01-21 | L129699 |
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分析证书 | 22-01-21 | L129699 |
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分析证书 | 22-01-21 | L129699 |
1. Kun Zhang, Jiahui Liang, Nadja R. Brun, Yanbin Zhao, Andreas A. Werdich. (2021) Rapid Zebrafish Behavioral Profiling Assay Accelerates the Identification of Environmental Neurodevelopmental Toxicants. ENVIRONMENTAL SCIENCE & TECHNOLOGY, 55 (3): (1919–1929). [PMID:33470099] [10.1021/acs.est.0c06949] |
1. Kun Zhang, Jiahui Liang, Nadja R. Brun, Yanbin Zhao, Andreas A. Werdich. (2021) Rapid Zebrafish Behavioral Profiling Assay Accelerates the Identification of Environmental Neurodevelopmental Toxicants. ENVIRONMENTAL SCIENCE & TECHNOLOGY, 55 (3): (1919–1929). [PMID:33470099] [10.1021/acs.est.0c06949] |