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17743-22-5

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17743-22-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17743-22-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,7,4 and 3 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 17743-22:
(7*1)+(6*7)+(5*7)+(4*4)+(3*3)+(2*2)+(1*2)=115
115 % 10 = 5
So 17743-22-5 is a valid CAS Registry Number.

17743-22-5Relevant articles and documents

Rapid cesium fluoride catalyzed synthesis of 5-aryloxy-1-phenyl-1htetrazoles via nucleophilic aromatic substitution

Khan, Khalid Mohammed,Fatima, Itrat,Perveen, Shahnaz,Saad, Syed Muhammad

, p. 389 - 394 (2021/09/07)

A nucleophilic aromatic substitution via a new and facile cesium fluoride catalyzed synthetic approach to get 5-aryloxy-1-phenyl-1H-tetrazoles was developed. Dual usage of cesium fluoride as a nucleophilic catalyst as well as an electrophilic catalyst aff

Tetrazoles. 33. New method for obtaining functionally substituted tetrazoles

Gol'tsberg,Koldobskii

, p. 1300 - 1304 (2007/10/03)

The interaction of 5-methylsulfonyl-1-phenyltetrazole with C-, N-, and O-nucleophiles at 18-20°C gives high yields of 1-phenyltetrazoles that are functionally substituted on the carbon atom of the heteroring. Prospects are examined for the use of 5-methyl

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