344406-38-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 344406-38-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,4,0 and 6 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 344406-38:
(8*3)+(7*4)+(6*4)+(5*4)+(4*0)+(3*6)+(2*3)+(1*8)=128
128 % 10 = 8
So 344406-38-8 is a valid CAS Registry Number.
344406-38-8Relevant articles and documents
Orthoamides, XXXIV.-Syntheses with Vinylidenediamines
Kantlehner, Willi,Ivanov, Ivo C.,Mergen, Walter W.,Bredereck, Hellmut
, p. 372 - 388 (2007/10/02)
Vinylidenediamines 2a,c have been prepared from 1-ethoxyvinylamine 4 and dimethylamine or pyrrolidine, respectively.Heating of 2a and formamidinium acetate affords 4-amino-5-pyrimidinecarbonitrile (7b).Acylation of 2a with acid chlorides or acid anhydride
