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103765-60-2

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103765-60-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 103765-60-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,7,6 and 5 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 103765-60:
(8*1)+(7*0)+(6*3)+(5*7)+(4*6)+(3*5)+(2*6)+(1*0)=112
112 % 10 = 2
So 103765-60-2 is a valid CAS Registry Number.

103765-60-2Relevant articles and documents

Carbon tetrabromide mediated oxidative cyclocondensation of ketones and thioureas: An easy access to 2-aminothiazoles

Keshari, Twinkle,Kapoorr, Ritu,Yadav, Lal Dhar S.

, p. 5623 - 5627 (2015)

A simple, mild, and efficient one-pot method for the synthesis of substituted 2-aminothiazoles has been reported. The reaction involves the formation of sulfenyl bromide as an umpolung intermediate of nucleophilic sulfur, which is responsible for C-S bond formation leading to oxidative cyclization of ketones and thioureas to furnish the desired products. Carbon tetrabromide was used as a convenient and mild brominating reagent under basic condition at room temperature to give 2-aminothiazoles in good to excellent yields.

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