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39652-80-7

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39652-80-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 39652-80-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,6,5 and 2 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 39652-80:
(7*3)+(6*9)+(5*6)+(4*5)+(3*2)+(2*8)+(1*0)=147
147 % 10 = 7
So 39652-80-7 is a valid CAS Registry Number.

39652-80-7Relevant articles and documents

Tricyclic Acylphloroglucinols from Hypericum lanceolatum and Regioselective Synthesis of Selancins A and B

Fobofou, Serge A. T.,Franke, Katrin,Porzel, Andrea,Brandt, Wolfgang,Wessjohann, Ludger A.

, p. 743 - 753 (2016)

The chemical investigation of the chloroform extract of Hypericum lanceolatum guided by 1H NMR, ESIMS, and TLC profiles led to the isolation of 11 new tricyclic acylphloroglucinol derivatives, named selancins A-I (1-9) and hyperselancins A and

Derivatives of Natural Product Agrimophol as Disruptors of Intrabacterial pH Homeostasis in Mycobacterium tuberculosis

Wu, Jie,Mu, Ran,Sun, Mingna,Zhao, Nan,Pan, Miaomiao,Li, Hongshuang,Dong, Yi,Sun, Zhaogang,Bai, Jie,Hu, Minwan,Nathan, Carl F.,Javid, Babak,Liu, Gang

, p. 1087 - 1104 (2019/05/22)

This article reports the rational medicinal chemistry of a natural product, agrimophol (1), as a new disruptor of intrabacterial pH (pHIB) homeostasis in Mycobacterium tuberculosis (Mtb). Through the systematic investigation of the structure-activity relationship of 1, scaffold-hopping of the diphenylmethane scaffold, pharmacophore displacement strategies, and studies of the structure-metabolism relationship, a new derivative 5a was achieved. Compound 5a showed 100-fold increased potency in the ability to reduce pHIB to pH 6.0 and similarly improved mycobactericidal activity compared with 1 against both Mycobacterium bovis-BCG and Mtb. Compound 5a possessed improved metabolic stability in human liver microsomes and hepatocytes, lower cytotoxicity, higher selectivity index, and similar pKa value to natural 1. This study introduces a novel scaffold to an old drug, resulting in improved mycobactericidal activity through decreasing pHIB, and may contribute to the critical search for new agents to overcome drug resistance and persistence in the treatment of tuberculosis.

Synthesis and antibacterial activity of new symmetric polyoxygenated dibenzofurans

Oramas-Royo, Sandra,Pantoja, Kriss Dayana,Amesty, ángel,Romero, Carmen,Lorenzo-Castrillejo, Isabel,Machín, Félix,Estévez-Braun, Ana

, p. 178 - 187 (2017/10/16)

A series of symmetric polyoxygenated dibenzofurans with 2-methylbutyril moieties at C-4 and C-6 were obtained from commercial phloroglucinol through a sequence of reactions that include monoacylation, iodination, Suzuki-Miyaura coupling, oxidative dimeriz

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