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148819-94-7

中文名称 2-4-羧苯基四甲基咪唑烷-1-氧-3-氧化物
英文名称 CARBOXY-PTIO
CAS 148819-94-7
分子式 C14H16KN2O4 *
MDL 编号 MFCD00216153
分子量 315.39
MOL 文件 148819-94-7.mol
148819-94-7 结构式 148819-94-7 结构式

基本信息

中文别名
2-4-羧苯基四甲基咪唑烷-1-氧-3-氧化物
英文别名
2-(4-CARBOXYPHENYL)-4,4,5,5-TETRAMETHYL-IMIDAZOLINE-1-OXYL-3-OXIDE POTASSIUM
2-(4-CARBOXYPHENYL)-4,4,5,5-TETRAMETHYLIMIDAZOLINE-1-OXYL-3-OXIDE, POTASSIUM SALT
2-(4-CARBOXYPHENYL)-4,5-DIHYDRO-4,4,5,5-TETRAMETHYL-1H-IMIDAZOL-1-YLOXY-3-OXIDE POTASSIUM
2-(4-CARBOXYPHENYL)-4,5-DIHYDRO-4,4,5,5-TETRAMETHYL-1H-IMIDAZOLYL-1-OXY-3-OXIDE, POTASSIUM SALT
2-(4-CARBOXYPHENYL)-4,5-DIHYDRO-4,4,5,5-TETRAMETHYLIMIDAZOLINE-3-OXIDE-1-OXYL, POTASSIUM SALT
CARBOXY-PTIO
CARBOXY-PTIO POTASSIUM
CARBOXY-PTIO, POTASSIUM SALT
CARBOXY-PTIO POTASSIUM (2-(4-CARBOXYPHEN YL)-4,4,5,5-TETRAMETHYLIM
2-(4-Carboxyphenyl)-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide potassium salt, 2-(4-Carboxyphenyl)-4,5-dihydro-4,4,5,5-tetramethyl-1H-imidazol-1-yloxy-3-oxide potassium salt

物理化学性质

熔点141-143°C
储存条件2-8°C
储存条件2-8°C
溶解度H2O: >20 mg/mL
溶解度H2O: >20 mg/mL
形态solid
形态固体
颜色blue
颜色blue
水溶解性Soluble in water. Also soluble in ethanol, methanol, DMSO or DMF.
稳定性Stable for 2 years as supplied. Solutions in DMSO or distilled water may be stored at -20°C for up to 1 month.

安全数据

安全说明24/25
安全说明S24/25
WGK Germany3
WGK Germany3
海关编码2918999090

知名试剂公司产品信息

常见问题列表

生物活性
Carboxy-PTIO potassium 是一种有效的一氧化氮 (NO) 清除剂,能与 NO 快速反应产生 NO2。Carboxy-PTIO potassium 通过对脂多糖诱导大鼠模型中 NO 的直接清除作用,可预防低血压和内毒素休克。
体外研究

Carboxy-PTIO potassium (200 μM; 1 h prior to physalin A; 24 hours) significantly suppresses the stimulation of NO expression induced by physalin A treatment, but no change is observed in Carboxy-PTIO treatment alone.Carboxy-PTIO potassium (200 μM; 1 h prior to physalin A; 24 hours) reduces physalin A-induced cleavage of procaspase-3 and PARP, down-regulated ICAD expression,diminishing DNA fragmentation in nuclei.Carboxy-PTIO potassium (200 μM; 1 h prior to physalin A; 24 hours) shows no effect on iNOS expression. However, decreased-mTOR and p-mTOR levels induced by physalin A is reversed by Carboxy-PTIO with concomitant suppression of LC3 I to LC3 II conversions in A375-S2 cells .

Western Blot Analysis

Cell Line: A375-S2 cells
Concentration: 200 μM
Incubation Time: 1 h prior to physalin A; 24 hours
Result: Diminished physalin A-induced procaspase-3 and PARP cleavage.
体内研究

Carboxy-PTIO (intravenous injection; 0.056-1.70 mg/kg/min; infused for 1 hr beginning 90 min after the LPS injection 90 min) treatment improves the hypotension, renal dysfunction and survival rate in Lps-treated rats. But it does not affect each parameter in naomal rats.

Animal Model: SD rats
Dosage: 0.056-1.70 mg/kg/min
Administration: Intravenous injection; 0.056-1.70 mg/kg/min; infused for 1 hr beginning 90 min after the LPS injection 90 min
Result: Exhibited a potent therapeutic value in endotoxin shock through the direct scavenging action against NO.
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