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59722-31-5

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59722-31-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 59722-31-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,9,7,2 and 2 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 59722-31:
(7*5)+(6*9)+(5*7)+(4*2)+(3*2)+(2*3)+(1*1)=145
145 % 10 = 5
So 59722-31-5 is a valid CAS Registry Number.

59722-31-5Relevant articles and documents

Chromatography-Free and Eco-Friendly Synthesis of Aryl Tosylates and Mesylates

Lei, Xiangyang,Jalla, Anusha,Abou Shama, Mhd A.,Stafford, Jamie M.,Cao, Billy

supporting information, p. 2578 - 2585 (2015/09/01)

Two chromatography-free and eco-friendly protocols have been developed to synthesize aryl tosylates and mesylates by the tosylation and mesylation of the corresponding hydroxyarenes, respectively. These protocols are superior to other known ones regarding

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