HC-056456 - CAS:7733-96-2

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HC-056456 (Synonyms:3,4-Bis(2-thienoyl-1,2,5-oxadiazole-N-oxide))

目录号 : KM3977 CAS No. : 7733-96-2 纯度 : ≥98%

HC-056456 是一种有效但不完全选择性的 CatSper 通道阻断剂。HC-056456 减慢 [Na⁺]_i 上升，IC₅₀ 为 3 µM。

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10mg		In-stock
25mg		In-stock
50mg		In-stock
100mg		In-stock
200mg	询价	In-stock
500mg	询价	In-stock

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生物活性

HC-056456 is an effective but not perfectly-selective blocker of CatSper channels. The [Na]_i rise is slowed by HC-056456 (IC₅₀~3 µM).

体外研究

HC-056456 similarly slows the rise of [Ca]_i that is evoked by alkaline depolarization and reported by fura-2. HC-056456 also selectively and reversibly decreased CatSper currents recorded from patch-clamped sperm. HC-056456 produces a pharmacological phenocopy of the CatSper-null sperm. Acute application of HC-056456 causes rapid loss of flagellar waveform asymmetry from hyperactivated sperm, indicating that continued entry of Ca through CatSper channels is required to maintain hyperactivation. HC-056456 selectively and reversibly blocks CatSper currents. The specificity and reversibility of the blockade of CatSper-dependent currents by HC-056456 is examined by using patch clamp recordings. The observed current is blocked slightly more than 50% by 20 µM HC-056456 (estimated IC₅₀ near 15 µM). In concept, it remains possible that CatSper channel heterogeneity explains residual HC-056456-resistant current. The action of HC-056456 on KSper channels, the other major cation channel observed in patch-clamped sperm, is also examined. Subsequent application of 50 µM HC-056456 results in partial blockade of this current. For HC-056456 action on KSper an IC₅₀ near 40 µM is estimated.

分子式

C₁₂H₆N₂O₄S₂

分子量

306.32

CAS号

7733-96-2

运输条件

Room temperature in continental US; may vary elsewhere.

储存方式

Powder	-20°C	3 years
	4°C	2 years
In solvent	-80°C	6 months
	-20°C	1 month

溶解性数据

In Vitro:

DMSO : ≥ 150 mg/mL (489.68 mM)

* "≥" means soluble, but saturation unknown.

配制储备液

浓度溶剂体积质量	1 mg	5 mg	10 mg

1 mM	3.2646 mL	16.3228 mL	32.6456 mL
5 mM	0.6529 mL	3.2646 mL	6.5291 mL
10 mM	0.3265 mL	1.6323 mL	3.2646 mL

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, 6 months; -20°C, 1 month。-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。

In Vivo:

请根据您的实验动物和给药方式选择适当的溶解方案。以下溶解方案都请先按照 In Vitro 方式配制澄清的储备液，再依次添加助溶剂：

——为保证实验结果的可靠性，澄清的储备液可以根据储存条件，适当保存；体内实验的工作液，建议您现用现配，当天使用；以下溶剂前显示的百
分比是指该溶剂在您配制终溶液中的体积占比；如在配制过程中出现沉淀、析出现象，可以通过加热和/或超声的方式助溶

1.

请依序添加每种溶剂： 10% DMSO 40% PEG300 5% Tween-80 45% saline
Solubility: ≥ 2.5 mg/mL (8.16 mM); Clear solution

此方案可获得 ≥ 2.5 mg/mL (8.16 mM，饱和度未知) 的澄清溶液。
以 1 mL 工作液为例，取 100 μL 25.0 mg/mL 的澄清 DMSO 储备液加到 400 μL PEG300 中，混合均匀；向上述体系中加入50 μL Tween-80，混合均匀；然后继续加入 450 μL生理盐水定容至 1 mL。
2.

请依序添加每种溶剂： 10% DMSO 90% (20% SBE-β-CD in saline)
Solubility: ≥ 2.5 mg/mL (8.16 mM); Clear solution

此方案可获得 ≥ 2.5 mg/mL (8.16 mM，饱和度未知) 的澄清溶液。
以 1 mL 工作液为例，取 100 μL 25.0 mg/mL 的澄清 DMSO 储备液加到 900 μL 20% 的 SBE-β-CD 生理盐水水溶液中，混合均匀。
3.

请依序添加每种溶剂： 10% DMSO 90% corn oil
Solubility: ≥ 2.5 mg/mL (8.16 mM); Clear solution

此方案可获得 ≥ 2.5 mg/mL (8.16 mM，饱和度未知) 的澄清溶液，此方案不适用于实验周期在半个月以上的实验。
以 1 mL 工作液为例，取 100 μL 25.0 mg/mL 的澄清 DMSO 储备液加到 900 μL玉米油中，混合均匀。

科研文献

•Comp Biochem Physiol A Mol Integr Physiol. 2020 Mar;241:110634.

纯度： ≥98%

Data Sheet

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