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136490-89-6

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136490-89-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 136490-89-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,4,9 and 0 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 136490-89:
(8*1)+(7*3)+(6*6)+(5*4)+(4*9)+(3*0)+(2*8)+(1*9)=146
146 % 10 = 6
So 136490-89-6 is a valid CAS Registry Number.

136490-89-6Relevant articles and documents

Synthesis of [1,4]Thiazino[4,3- a]indol-10-one Derivatives through Radical Anti Aza-Michael Addition of 2′-Aminochalcones

Zhang, Pingshun,Yang, Linjie,Chen, Wanzhi,Liu, Miaochang,Wu, Huayue

supporting information, p. 6094 - 6098 (2021/08/01)

An efficient method for the synthesis of [1,4]thiazino[4,3-a]indole derivatives using sodium chlorodifluoroacetate (ClCF2CO2Na) and elemental sulfur as the difluoromethylthiolating reagent system has been developed. Three-component reactions of 2′-aminochalcones, sulfur, and ClCF2CO2Na under basic conditions using TEMPO as the oxidant afforded [1,4]thiazino[4,3-a]indol-10-ones containing a difluoromethyl thioether moiety in good yields. Four bonds including one C-N, two C-S, and one C-C bonds are selectively formed in the sequential transformation process.

Aza analogs of flavones as potential antimicrobial agents

Sharma, Sahil,Thakur, Vikas,Ojha, Ritu,Budhiraja, Abhishek,Nepali, Kunal,Singh Bedi, Preet Mohinder

, p. 327 - 334 (2013/07/26)

In search for the new antimicrobial agents owing to drug resistant bacteria and fungi, a series of rationally designed aza analogs of flavones has been designed and synthesized. The design of the analogs involved incorporation of quinolone nucleus within

Oxidation of the 2'-NHR analogues of 2'-OR-chalcones; conversion of 2'-NHR-chalcone epoxides

Litkei,Tokes

, p. 1597 - 1609 (2007/10/02)

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