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90195-73-6

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90195-73-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90195-73-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,1,9 and 5 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 90195-73:
(7*9)+(6*0)+(5*1)+(4*9)+(3*5)+(2*7)+(1*3)=136
136 % 10 = 6
So 90195-73-6 is a valid CAS Registry Number.

90195-73-6Relevant articles and documents

Synthesis and Characterization of Anhydro-1,1-dialkyl-5-hydroxy-3-phenoxy-1,2,4-triazolium Hydroxides

Potts, Kevin T.,Kuehnling, William R.,Murphy, Peter

, p. 2404 - 2407 (2007/10/02)

1,1-Dialkylhydrazines and phenyl N-(chlorocarbonyl)-1-chlorocarbonimidate react to give excellent yields of anhydro-1,1-dialkyl-5-hydroxy-3-phenoxy-1,2,4-triazolium hydroxides.The reaction is regiospecific, and the same products are obtained from phenyl N

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