impurity

Olanzapine impurity L HCl 是在生产Olanzapine过程中产生的一种杂质。

BroMhexine IMpurity B 试剂用于制备 Ambroxol 和 Bromhexine (B678600) 代谢物 Ambroxol EP Impurity E。

Flecainide Impurity D 在工业中用作中间体。

Enalapril IMpurity B ((+)-N-[1-(S)-Ethoxycarbonxyl-3-phenylpropyl]-L-alanine) 是 Moexipril 中间体，是 Imidapril 的主要代谢物。

Ciprofloxacin EP IMpurity A (Fluoroquinolonic Acid) 是一种抗生素和抗菌剂。

Carvedilol EP IMpurity E (Carvedilol USP E) 用作药物中间体。

(4S,5R)-3-tert-butoxycarbony-2-(4-anisy)-4-phenyl-5-oxazolidinecarboxylic acid 又名多烯紫杉醇侧链，作为一种医药中间体，主要用于合成药物多烯紫杉醇。

5-(5-Fluoro-2-oxo-1,2-dihydro-indol-3-ylidenemethyl)-2,4-dimethyl-1H-pyrrole-3-carboxylic Acid 为舒尼替尼杂质。

TriMetazidine EP IMpurity-D 是合成 TriMetazidine 的起始原料，是合成多种化合物的中间体。

Mycophenolic Acid Impurity (5,7-dihydroxy-4-methylphthalide) 是一种免疫抑制药物和有效的抗增殖剂，可用于代替旧的抗增殖剂 azathioprine。它通常用作三联疗法的一部分，包括钙调神经磷酸酶抑制剂（ciclosporin 或 tacrolimus）和prednisolone。它还可用于研究选择表达编码 XGPRT（黄嘌呤鸟嘌呤磷酸核糖基转移酶）的大肠杆菌基因的动物细胞。

Darapladib-impurity 是 Darapladib 的杂质。Darapladib 对脂蛋白相关磷脂酶 A2 (Lp-PLA2)有抑制作用。

Domperidone EP Impurity A 用作医药中间体。

BAR 501 impurity 在 BAR501 制剂中发现的一种杂质，可作为 G 蛋白偶联胆汁酸激活受体 (GP-BAR1) 的激动剂。 BAR501 杂质 (10 µM) 在 GP-BAR1 报告基因检测中诱导荧光素酶活性增加 150%。

Levofloxacin Hydrochloride Impurity A 是一种喹诺酮类药物，具有广谱抗菌作用。

Cetirizine Impurity B dihydrochloride (De(carboxymethoxy) Cetirizine Acetic Acid Dihydrochloride) 是 Cetirizine dihydrochloride 的杂质。Cetirizine 是一种抗组胺剂，是口服有活力的、特异性 H1受体拮抗剂。它能够抑制过敏反应期间嗜酸性粒细胞趋化，可以标记抗过敏特性。

5-[(2R)-2-Aminopropyl]-1-[3-(benzoyloxy)propyl]-2,3-dihydro-1H-indole-7-carbonitrile (2R,3R)-2,3-dihydroxybutanedioate 是一种天然产物，可作为参考标准。

Teriflunomide impurity 3 (4-Amino-N-(4-trifluoromethylphenyl)benzamide) 是一种选择性COX-1抑制剂，IC50为 30 µM。

Buspirone EP Impurity A-d8 是 Buspirone EP Impurity A 的氘代化合物。Buspirone EP Impurity A 的 CAS 号为 20980-22-7。2-(1-Piperazinyl)pyrimidine 用作抗焦虑药。

Neostigmine Bromide EP Impurity C-d6 是 Neostigmine Bromide EP Impurity C 的氘代化合物。Neostigmine Bromide EP Impurity C 的 CAS 号为 16088-19-0。

Gefitinib impurity 1 is a compound derived from Gefitinib, a potent and selective EGFR tyrosine kinase inhibitor (IC 50 = 33 nM). This orally active compound selectively inhibits tumor cell growth stimulated by EGF (IC 50 = 54 nM) and inhibits EGFR autophosphorylation induced by EGF in tumor cells. Additionally, Gefitinib induces autophagy and exhibits antitumor activity.

Atorvastatin Epoxy Tetrahydrofuran Impurity is an isolated oxidative degradation product of Atorvastatin, an orally active HMG-CoA reductase inhibitor.

Sofosbuvir impurity L is an diastereoisomer of Sofosbuvir.Sofosbuvir is an HCV RNA replication inhibitor, with potent anti-hepatitis C virus activity.

Ibuprofen Impurity K is a compound that serves as an impurity in Ibuprofen. Ibuprofen itself is an anti-inflammatory inhibitor specifically designed to target COX-1 and COX-2. It exhibits inhibitory activity with IC50 values of 13 μM and 370 μM for COX-1 and COX-2, respectively.

Losartan potassium impurity E is a compound of Valsartan impurity.

Dapagliflozin impurity is the enantiomer of Dapagliflozin, Dapagliflozin is a sodium glucose transporter 2 inhibitor.

Trityl olmesartan medoxomil impurity II为Trityl olmesartan medoxomil的杂质，后者是Olmesartan medoxomil的中间体。

Imatinib Impurity E 是 Imatinib 的杂质。Imatinib 是一种口服生物可用的酪氨酸激酶抑制剂，可选择性抑制 BCR/ABL，v-Abl，PDGFR，c-kit 激酶活性。Imatinib (STI571) 靠近 ATP 结合位点结合，将其锁定在封闭或自我抑制的构象中，因此半竞争性抑制蛋白质的酶活性。Imatinib 还抑制 SARS-CoV 和MERS-CoV。

Olmesartan medoxomil impurity C is an Olmesartan medoxomil impurity. Olmesartan medoxomil is a potent and selective angiotensin AT1 receptor inhibitor with IC50 of 66.2 μM. [1]. Senda A, et al. Effects of Angiotensin II Receptor Blockers on Metabolism of Arachidonic Acid via CYP2C8. Biol Pharm Bull. 2015;38(12):1975-9. [2]. Shah S, et al. Simultaneous Quantitative Analysis of Olmesartan Medoxomil and Amlodipine Besylate in Plasma by High-performance Liquid Chromatography Technique. J Young Pharm. 2012 Apr;4(2):88-94.

Sofosbuvir impurity B is the less active impurity of Sofosbuvir. Sofosbuvir is an active HCV RNA replication inhibitor in the HCV replicon assay, with potent anti-hepatitis C virus (HCV) activity.

Mirabegron impurity-1 是一种有用的有机化合物，可用于生命科学领域的相关研究。其产品编号为 T66544，CAS号为 391901-45-4。

Lenvatinib impurity 10 是一种有用的有机化合物，可用于生命科学领域的相关研究，其产品编号为 T64460。

Olmesartan impurity, a compound related to Olmesartan, is an angiotensin II receptor (AT1R) antagonist utilized in the study of high blood pressure. Olmesartan (RNH-6270) is the parent compound with similar properties and functions as an AT1R antagonist.

Gefitinib impurity 2 是一种有用的有机化合物，可用于生命科学领域的相关研究，其产品编号为 T67092。

Sofosbuvir impurity I is an diastereoisomer of Sofosbuvir.Sofosbuvir is an HCV RNA replication inhibitor, with potent anti-hepatitis C virus activity.

Impurity C of Calcitriol是 Calcitriol 的杂质。Impurity C of Calcitriol 可用于合成维生素D3。

Sofosbuvir impurity J is an diastereoisomer of Sofosbuvir.Sofosbuvir is an HCV RNA replication inhibitor, with potent anti-hepatitis C virus activity.

Tiotropium Bromide EP Impurity G-d3 (Iodide) 是 Tiotropium Bromide EP Impurity G (Iodide) 的氘代化合物。

Irinotecan Impurity 52-d5 是 Irinotecan Impurity 52 的氘代化合物。Irinotecan Impurity 52 的 CAS 号为 1026078-50-1。

Tiotropium Bromide EP Impurity G-d3 是 Tiotropium Bromide EP Impurity G 的氘代化合物。Tiotropium Bromide EP Impurity G 的 CAS 号为 1508-46-9。

Sofosbuvir impurity N is an diastereoisomer of Sofosbuvir.Sofosbuvir is an HCV RNA replication inhibitor, with potent anti-hepatitis C virus activity.

Tetracycline EP Impurity A-d6 是 Tetracycline EP Impurity A 的氘代化合物。Tetracycline EP Impurity A 的 CAS 号为 79-85-6。

Stevia impurity (13-[(2-O-6-deoxy-β-D-glucopyranosyl-3-O-β-D-glucopyranosyl-β-D-glucopyranosyl)oxy]ent-kaur-16-en-19-oic acid β-D-glucopyranosyl ester) 是一种天然产物，可用于生命科学领域的相关研究。其产品编号为 TN6498，CAS号为 1309929-72-3。

Diosmin Impurity 8 是一种有用的有机化合物，可用于生命科学领域的相关研究，其产品编号为 T125116。

Olanzapine lactam impurity is a potential impurity found in commercial preparations of olanzapine.1It is a degradation product formed by exposure to thermal or oxidative stress. 1.Baertschi, S.W., Brunner, H., Bunnell, C.A., et al.Isolation, identification, and synthesis of two oxidative degradation products of olanzapine (LY170053) in solid oral formulationsJ. Pharm. Sci.97(2)883-892(2008)

NSC-609249 hydrochloride, an impurity of Verapamil, is a calcium channel blocker with potent orally active properties. It also functions as a first-generation P-glycoprotein (P-gp) inhibitor.

Sofosbuvir impurity E is the less active impurity of Sofosbuvir. Sofosbuvir is an active HCV RNA replication inhibitor in the HCV replicon assay,with potent anti-hepatitis C virus (HCV) activity.

Amlodipine besilate impurity B is a biochemical.

Ivabradine impurity 1 是Ivabradine 的一个杂质。 Ivabradine 是具有口服活性的，超极化激活的环核苷酸门控离子通道 (HCN) 通道阻滞剂。