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111091-98-6

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111091-98-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 111091-98-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,0,9 and 1 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 111091-98:
(8*1)+(7*1)+(6*1)+(5*0)+(4*9)+(3*1)+(2*9)+(1*8)=86
86 % 10 = 6
So 111091-98-6 is a valid CAS Registry Number.

111091-98-6Downstream Products

111091-98-6Relevant articles and documents

Metal-free synthesis of 2-aminobenzothiazoles via aerobic oxidative cyclization/dehydrogenation of cyclohexanones and thioureas

Zhao, Jinwu,Huang, Huawen,Wu, Wanqing,Chen, Huoji,Jiang, Huanfeng

supporting information, p. 2604 - 2607 (2013/07/11)

A metal-free process for the synthesis of 2-aminobenzothiazoles from cyclohexanones and thioureas has been developed using catalytic iodine and molecular oxygen as the oxidant under mild conditions. Various 2-aminobenzothiazoles, 2-aminonaphtho[2,1-d]thiazoles, and 2-aminonaphtho[1,2-d] thiazoles were prepared via this method in satisfactory yields.

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