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144035-83-6

中文名称 吡拉米司特
英文名称 Piclamilast
CAS 144035-83-6
分子式 C18H18Cl2N2O3
分子量 381.25
MOL 文件 144035-83-6.mol
144035-83-6 结构式 144035-83-6 结构式

基本信息

英文别名
RP 73401
RPR 73401
piclamilas
Piclamilast
N-(3,5-Dichloropyrid-4-yl)-3-cyclopentyloxy-4-methoxybenzamide
3-(cyclopentyloxy)-N-(3,5-dichloro-4-pyridyl)-4-methoxybenzamide
3-(Cyclopentyloxy)-N-(3,5-dichloropyridin-4-yl)-4-methoxybenzamide
3-(Cyclopentyloxy)-N-(3,5-dichloro-4-pyridinyl)-4-methoxybenzamide
Benzamide,3-(cyclopentyloxy)-N-(3,5-dichloro-4-pyridinyl)-4-methoxy-

物理化学性质

沸点447.8±45.0 °C(Predicted)
密度1.370
储存条件2-8°C
溶解度在DMSO中的溶解度为20mg/mL,澄清
酸度系数(pKa)10.10±0.70(Predicted)
形态粉末
颜色白色至米色

安全数据

危险性符号(GHS)
GHS07
警示词警告
危险性描述H315-H319-H335
危险品标志Xi
危险类别码36/37/38
安全说明26
WGK Germany3
吡拉米司特价格(试剂级)
报价日期产品编号产品名称CAS号包装价格
2024/04/30HY-12887吡拉米司特
Piclamilast
144035-83-65 mg1500元
2024/04/30HY-12887吡拉米司特
Piclamilast
144035-83-610 mg2400元
2024/04/30HY-12887吡拉米司特
Piclamilast
144035-83-625 mg5200元

常见问题列表

生物活性
Piclamilast (RP 73401) 是有效的磷酸二酯酶 4 (PDE4) 的抑制剂,其在猪主动脉和可溶性嗜酸性粒细胞中的 IC50 值分别为 16 nM 和 2 nM。
靶点

PDE4

16 nM (IC 50 , in pig aorta)

PDE4

2 nM (IC 50 , in eosinophil soluble)

PDE1

>100 μM (IC 50 )

PDE2

40 μM (IC 50 )

PDE3

>100 μM (IC 50 )

PDE5

14 μM (IC 50 )

体外研究

Piclamilast (RP 73401, 1 μM, 30 min) significantly inhibits the changes in 23 genes via mechanisms involving AP-1 activation and c-Jun phosphorylation at Ser63.
Piclamilast (RP 73401) exhibits IC 50 values >100 μM, 40 μM, >100 μM, 14 μM for PDE1, PDE2, PDE3 and PDE5. Respectively.

RT-PCR

Cell Line: Human A549 type II lung epithelial cells.
Concentration: 1 μM (H 2 O 2 200 μM).
Incubation Time: 30 min.
Result: Prevented H 2 O 2 -induced changes in gene expression levels in A549 cells.

Cell Viability Assay

Cell Line: NB4 cells.
Concentration: 30 μM.
Incubation Time: 3 days.
Result: Exerted a significant enhancing effect on the induction of STAT1 observed in ATRA-treated NB4 cells.
Caused a significant increase in the number of cells expressing NBT-R activity.
体内研究

Piclamilast (RP 73401, 10 mg/kg, 30 min) alone does not affect the MST of leukemia-bearing animals. Piclamilast combined with ATRA (HY-14649) significantly more effective than ATRA alone in increasing the MST (40 days; interval 34–45 days) of leukemia-bearing animals.

Animal Model: SCID mice.
Dosage: 10 mg/kg (combined with ATRA (HY-14649)).
Administration: Injection daily.
Result: Significantly more effective than ATRA alone in increasing the MST (40 days; interval 34–45 days) of leukemia-bearing animals.
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