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273730-79-3

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273730-79-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 273730-79-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,3,7,3 and 0 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 273730-79:
(8*2)+(7*7)+(6*3)+(5*7)+(4*3)+(3*0)+(2*7)+(1*9)=153
153 % 10 = 3
So 273730-79-3 is a valid CAS Registry Number.

273730-79-3Relevant articles and documents

A straightforward synthesis of alkyl 1H-tetrazol-5-yl thioethers via a one-pot reaction of aldehydes and 1H-tetrazole-5-thiols mediated by N-tosylhydrazones

Li, Le-Le,Gao, Lian-Xun,Han, Fu-She

, p. 29996 - 30000 (2015/05/13)

A straightforward approach for the synthesis of alkyl 1H-tetrazol-5-yl thioethers from aldehydes and 1H-tetrazole-5-thiol through a one-pot procedure is presented. The aldehydes were first condensed with N-tosylhydrazine to generate the N-tosylhydrazones,

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