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Tasimelteon
本产品不向个人销售,仅用作科学研究,不用于任何人体实验及非科研性质的动物实验。
Tasimelteon图片
CAS NO:609799-22-6

产品名称
BMS-214778
VEC-162
产品介绍

生物活性

Tasimelteon (BMS-214778) is a Dual Melatonin Receptor Agonist (DMRA) recently approved (Hetlioz) for the treatment of Non-24-hour sleep–wake disorder, a disorder primarily found in the totally blind, where a lack of normal synchronization between the 24-hour light–dark cycle and the endogenous circadian rhythm causes it to drift out of alignment with conventional sleep–wake schedules. The endogenous rhythm of the circadian pacemaker in the suprachiasmatic nuclei (SCN) is typically slightly longer than 24 h and therefore must be synchronized to the 24-hour day, normally by light, but exogenous melatonin can also phase-shift circadian rhythms. Tasimelteon is a selective agonist for the SCN melatonin receptors MT1 and MT2 with greater affinity for the MT2 receptor thought to be more important in mediating circadian rhythm phase-shifting. EC50 values are 0.75 nM for MT1 and 0.1 nM for MT2 measured by inhibition of forskolin-stimulated cAMP accumulation in NIH-3T3 cells expressing human MT1 and MT2.


化学数据

分子量245.32
分子式C15H19NO2
CAS号609799-22-6
纯度>99%
溶解性(25°C)DMSO 25 mg/mL
储存和运输条件固体粉末: -20°C 冷藏长期储存
常温运输及临时存放

不同实验动物依据体表面积的等效剂量转换表(数据来源于FDA指南)

小鼠大鼠豚鼠仓鼠
重量 (kg)0.020.151.80.40.0810
体表面积 (m2)0.0070.0250.150.050.020.5
Km系数36128520
动物 A (mg/kg) = 动物 B (mg/kg) × 动物 B的Km系数
动物 A的Km系数

例如,依据体表面积折算法,将化合物用于小鼠的剂量20 mg/kg 换算成大鼠的剂量,需要将20 mg/kg 乘以小鼠的Km系数(3),再除以大鼠的Km系数(6),得到化合物用于大鼠的等效剂量为10 mg/kg。


储备液配制

以下数据基于产品分子量,对于特殊产品,请参照COA中的储备液配制条件和说明进行操作。

Concentration / Solvent Volume / Mass1 mg5 mg10 mg
1 mM4.0763 mL20.3815 mL40.7631 mL
5 mM0.8153 mL4.0763 mL8.1526 mL
10 mM0.4076 mL2.0382 mL4.0763 mL