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75491-93-9

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75491-93-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75491-93-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,4,9 and 1 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 75491-93:
(7*7)+(6*5)+(5*4)+(4*9)+(3*1)+(2*9)+(1*3)=159
159 % 10 = 9
So 75491-93-9 is a valid CAS Registry Number.
InChI:InChI=1/C20H19NO4.ClH/c1-23-18-10-15-12(7-17(18)22)4-5-21-11-14-9-20(25-3)19(24-2)8-13(14)6-16(15)21;/h6-11H,4-5H2,1-3H3;1H

75491-93-9Downstream Products

75491-93-9Relevant articles and documents

Thalifaurine and dehydrodiscretine, new quaternary protoberberines from Thalictrum fauriei

Chen,Chen,Lee

, p. 1061 - 1065 (1980)

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Synthesis and biological evaluation of berberine analogues as novel up-regulators for both low-density-lipoprotein receptor and insulin receptor

Wang, Yan-Xiang,Wang, Yu-Ping,Zhang, Hao,Kong, Wei-Jia,Li, Ying-Hong,Liu, Fei,Gao, Rong-Mei,Liu, Ting,Jiang, Jian-Dong,Song, Dan-Qing

scheme or table, p. 6004 - 6008 (2010/06/16)

Berberine (BBR) is a natural compound with up-regulating activity on both low-density-lipoprotein receptor (LDLR) and insulin receptor (InsR). This one-drug-multiple-target characteristic might be suitable for the treatment of metabolic syndrome. In searching for up-regulators effective for both LDLR and InsR expression, the structure-activity relationship (SAR) analysis for BBR analogues was done. Fourteen BBR analogues were designed, synthesized and biologically evaluated. SAR analysis revealed that appropriate modifications on the phenyl ring A or D of BBR might retain the up-regulatory activities on the expression of both LDLR and InsR. Among these compounds, compound 13a bearing 9-methoxy and 10-hydroxyl on the ring D showed promising activities on either LDLR or InsR gene expression. The 10-hydroxyl of 13a could be an arm to connect proper chemical groups for optimizing drug-bioavailability in vivo. Thus, 13a could be considered to be a parent compound to make pro-drugs for either blood lipids or glucose.

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