5α,6β-Dihydroxycholestanol-d7
(Synonyms: Cholestanetriol-d7, 5α,6β-di-OHC-d7) 目录号 : GC46715
An internal standard for the quantification of 5α,6β-dihydroxycholestanol
Cas No.:127684-07-5
Sample solution is provided at 25 µL, 10mM.
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Quality Control & SDS
- View current batch:
- Purity: >99.00%
- COA (Certificate Of Analysis)
- SDS (Safety Data Sheet)
- Datasheet
5α,6β-Dihydroxycholestanol-d7 is intended for use as an internal standard for the quantification of 5α,6β-dihydroxycholestanol by GC- or LC-MS. 5α,6β-Dihydroxycholestanol is an oxysterol metabolite of cholesterol formed from conversion of cholesterol epoxides by 5,6-epoxysterol hydrolase.1,2 It inhibits NMDA-mediated calcium influx in HEK293 cells expressing NR1/NR2B NMDA receptors in a concentration-dependent manner. It also binds to voltage-gated sodium (Nav) channels and decreases action potentials in hippocampal neurons in vitro when used at a concentration of 10 µM.2 It increases survival of spinal cord motoneurons, cortical neurons, and cerebellar granule neurons in vitro when used at concentrations ranging from 5 to 15 µM.3 5α,6β-Dihydroxycholestanol is neuroprotective in a rat model of cerebral ischemia when administered at a dose of 12 mg/kg and increases latency to seizure onset and reduces severity of seizures induced by pentylenetetrazole in rats. 5α,6β-Dihydroxycholestanol has been used as a replacement for cholesterol in the study of cholesterol binding proteins.4
1.Aringer, L., and Eneroth, P.Formation and metabolism in vitro of 5,6-epoxides of cholesterol and β-sitosterolJ. Lipid Res.15(4)389-398(1974) 2.Tang, L., Yan, M., Leng, T., et al.Cholestane-3β, 5α, 6β-triol suppresses neuronal hyperexcitability via binding to voltage-gated sodium channelsBiochem. Biophys. Res. Commun.496(1)95-100(2018) 3.Hu, H., Zhou, Y., Leng, T., et al.The major cholesterol metabolite cholestane-3β,5α,6β-triol functions as an endogenous neuroprotectantJ. Neurosci.34(34)11426-11438(2014) 4.Sheng, R., Kim, H., Lee, H., et al.Cholesterol selectively activates canonical Wnt signalling over non-canonical Wnt signallingNat. Commun.5:4393(2014)
| Cas No. | 127684-07-5 | SDF | |
| 别名 | Cholestanetriol-d7, 5α,6β-di-OHC-d7 | ||
| Canonical SMILES | C[C@H](CCCC(C([2H])([2H])[2H])([2H])C([2H])([2H])[2H])[C@@]1([H])CC[C@@]2([H])[C@]3([H])C[C@@H](O)[C@@]4(O)C[C@@H](O)CC[C@]4(C)[C@@]3([H])CC[C@@]21C | ||
| 分子式 | C27H41D7O3 | 分子量 | 427.7 |
| 溶解度 | Methanol: Slightly Soluble | 储存条件 | Store at -20°C |
| General tips | 请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液；一旦配成溶液，请分装保存，避免反复冻融造成的产品失效。 储备液的保存方式和期限：-80°C 储存时，请在 6 个月内使用，-20°C 储存时，请在 1 个月内使用。 为了提高溶解度，请将管子加热至37℃，然后在超声波浴中震荡一段时间。 |
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| Shipping Condition | 评估样品解决方案：配备蓝冰进行发货。所有其他可用尺寸：配备RT，或根据请求配备蓝冰。 | ||
| 制备储备液 | |||
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1 mg | 5 mg | 10 mg |
| 1 mM | 2.3381 mL | 11.6904 mL | 23.3809 mL |
| 5 mM | 0.4676 mL | 2.3381 mL | 4.6762 mL |
| 10 mM | 0.2338 mL | 1.169 mL | 2.3381 mL |
| 第一步：请输入基本实验信息（考虑到实验过程中的损耗，建议多配一只动物的药量） | ||||||||||
| 给药剂量 | mg/kg |  |
动物平均体重 | g | |
每只动物给药体积 | ul | |
动物数量 | 只 |
| 第二步：请输入动物体内配方组成（配方适用于不溶于水的药物；不同批次药物配方比例不同，请联系GLPBIO为您提供正确的澄清溶液配方） | ||||||||||
| % DMSO % % Tween 80 % saline | ||||||||||
| 计算重置 | ||||||||||
计算结果:
工作液浓度： mg/ml；
DMSO母液配制方法： mg 药物溶于 μL DMSO溶液（母液浓度 mg/mL，
体内配方配制方法：取 μL DMSO母液，加入 μL PEG300，混匀澄清后加入μL Tween 80，混匀澄清后加入 μL saline，混匀澄清。
1. 首先保证母液是澄清的；
2.
一定要按照顺序依次将溶剂加入，进行下一步操作之前必须保证上一步操作得到的是澄清的溶液，可采用涡旋、超声或水浴加热等物理方法助溶。
3. 以上所有助溶剂都可在 GlpBio 网站选购。