344584-84-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 344584-84-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,5,8 and 4 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 344584-84:
(8*3)+(7*4)+(6*4)+(5*5)+(4*8)+(3*4)+(2*8)+(1*4)=165
165 % 10 = 5
So 344584-84-5 is a valid CAS Registry Number.
344584-84-5Relevant articles and documents
Quaternary Salts of 2H-Imidazoles
Katritzky, Alan R.,Borja, Susana Bravo,Marquet, Jorge,Sammes, Michael P.
, p. 2065 - 2069 (2007/10/02)
Treatment of the 4,5-diphenyl-2H-imidazoles (1a-e) with alkyl iodides gives novel 1H+,2H-imidazolium salts (2) and (3).The metho-salt (2) N-methyl protons are readily exchanged for deuterium, and anions formed by the action of base give, with m