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194736-83-9

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194736-83-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 194736-83-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,4,7,3 and 6 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 194736-83:
(8*1)+(7*9)+(6*4)+(5*7)+(4*3)+(3*6)+(2*8)+(1*3)=179
179 % 10 = 9
So 194736-83-9 is a valid CAS Registry Number.

194736-83-9Downstream Products

194736-83-9Relevant articles and documents

Total synthesis and pharmacological investigation of cordyheptapeptide A

Kumar, Suresh,Dahiya, Rajiv,Khokra, Sukhbir Lal,Mourya, Rita,Chennupati, Suresh V.,Maharaj, Sandeep

, (2017)

The present investigation reports the synthesis of a phenylalanine-rich N-methylated cyclopeptide, cordyheptapeptide A (8), previously isolated from the insect pathogenic fungus Cordyceps sp. BCC 1788, accomplished through the coupling of N-methylated tetrapeptide and tripeptide fragments followed by cyclization of the linear heptapeptide unit. Structure elucidation of the newly synthesized cyclopolypeptide was performed by means of FT-IR, 1H-NMR, 13C-NMR, and fast atom bombardment mass spectrometry (FABMS), and screened for its antibacterial, antidermatophytic, and cytotoxic potential. According to the antimicrobial activity results, the newly synthesized N-Methylated cyclopeptide exhibited potent antibacterial activity against Gram-negative bacteria Pseudomonas aeruginosa and Klebsiella pneumoniae and antifungal activity against dermatophytes Trichophyton mentagrophytes and Microsporum audouinii at a concentration of 6μg/mL, in comparison to the reference drugs, gatifloxacin and griseofulvin. In addition, cyclopolypeptide 8 displayed suitable levels of cytotoxicity against Dalton's lymphoma ascites (DLA) and Ehrlich's ascites carcinoma (EAC) cell lines.

Identification of an Anti-MRSA Cyclic Lipodepsipeptide, WBP-29479A1, by Genome Mining of Lysobacter antibioticus

Sang, Moli,Wang, Haoxin,Shen, Yuemao,Rodrigues De Almeida, Nathalia,Conda-Sheridan, Martin,Li, Shanren,Li, Yaoyao,Du, Liangcheng

supporting information, p. 6432 - 6436 (2019/08/26)

Lysobacter are ubiquitous in the environment but remain largely underexplored, although the bacteria are considered "peptide specialists". Here, we identified a new cyclic lipodepsipeptide, WBP-29479A1 (1), through genome mining of L. antibioticus ATCC 29479. 1 is biosynthesized by a large NRPS gene cluster, and its structure, including the six nonproteinogenic residues and 3-hydroxy fatty acid, was determined by extensive spectroscopic analyses and chemical derivatization. 1 exhibits potent anti-MRSA activity in a menaquinone-dependent manner.

Eight linear peptides from the deep-sea-derived fungus Simplicillium obclavatum EIODSF 020

Liang, Xiao,Zhang, Xiao-Yong,Nong, Xu-Hua,Wang, Jie,Huang, Zhong-Hui,Qi, Shu-Hua

, p. 3092 - 3097 (2016/05/19)

Eight new linear peptides, simplicilliumtides A-H (1-8) were isolated from a culture broth of the deep-sea-derived fungal strain Simplicillium obclavatum EIODSF 020. Their structures were elucidated by spectroscopic analysis, and their absolute configurat

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