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13209-41-1

中文名稱 地塞米松EP雜質(zhì)E
英文名稱 Dexamethasone EP Impurity E
CAS 13209-41-1
分子式 C22H28O4
分子量 356.46
MOL 文件 13209-41-1.mol
更新日期 2024/12/19 17:30:44
13209-41-1 結(jié)構(gòu)式 13209-41-1 結(jié)構(gòu)式

基本信息

中文別名
地塞米松雜質(zhì)雜質(zhì)E
地塞米松EP雜質(zhì)E
糠酸莫米松雜質(zhì)22
地塞米松磷酸鈉雜質(zhì)E
地塞米松雜質(zhì)E(EP)
地塞米松磷酸鈉雜質(zhì)EP F
地塞米松磷酸鈉雜質(zhì)EP E
16Α-甲基-9,11-脫氫潑尼松龍
英文別名
Dexamethasone EP Imp E
Dexamethasone impurity E
Dexamethasone Impurity L
(8S,10S,13S,14S,16R,17R)-17-hydroxy
16α-Methyl-9,11-dehydro Prednisolone
Dexamethasone Impurity 5(Dexamethasone EP Impurity E)
17,21-dihydroxy-16alpha-methylpregna-1,4,9(11)-triene-3,20-dione
17, 21-dihydroxy-16α-methylpregna- 1, 4, 9(11)-triene-3,20-dione
(16α)-17,21-Dihydroxy-16-Methylpregna-1,4,9(11)-triene-3,20-dione
17.alpha.,21-Dihydroxy-16.alpha.-methylpregna-1,4,9(11)-triene-3,20-dione
所屬類別
分析化學(xué):藥典標(biāo)準(zhǔn)品和雜質(zhì)標(biāo)準(zhǔn)品

物理化學(xué)性質(zhì)

熔點228-231 °C(Solv: acetone (67-64-1); hexane (110-54-3))
沸點548.3±50.0 °C(Predicted)
密度1.24±0.1 g/cm3(Predicted)
儲存條件Refrigerator
溶解度氯仿(微溶)、二惡烷(微溶)、乙酸乙酯(微溶)
酸度系數(shù)(pKa)12.53±0.70(Predicted)
形態(tài)固體
顏色淡黃色

常見問題列表

生物活性
Vamorolone (VBP15) 是首創(chuàng)的,具有口服活性的解離性類固醇 (dissociative steroidal) 抗炎藥和膜穩(wěn)定劑。Vamorolone 改善肌營養(yǎng)不良,無副作用。Vamorolone 抑制 (NF-κB) 抑制作用,并降低了激素的影響。
體外研究

Vamorolone (VBP15) inhibits TNFα-induced pro-inflammatory NF-κB signaling in C2C12 muscle cells at 1 nM or more. Vamorolone binds the glucocorticoid receptor (GR) and mineralocorticoid receptor (MR) with similar affinity.
Vamorolone (0.1, 1μM; 30 minutes) reduces production of IL1βand CCL5 inflammatory mediators in primary human macrophages.
Vamorolone is a first-in-class mineralocorticoid receptor (MR) antagonist/dissociative glucocorticoid receptor (GR) ligand.

體內(nèi)研究

Vamorolone (5-30 mg/kg; cherry syrup) shows a superior side effect profile compared to pharmacological glucocorticoids in mdx mice.
Vamorolone (30 mg/kg; orally; daily for 20 days) reduces CNS Inflammation in murine experimental autoimmune encephalomyelitis.

Animal Model: C57BL/6 mice (experimental autoimmune encephalomyelitis)
Dosage: 30 mg/kg
Administration: Orally; daily for 20 days (starting one day prior to MOG 33-55 peptide immunization and continuing)
Result: Reduced CNS inflammation in murine experimental autoimmune encephalomyelitis.
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