191349-29-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 191349-29-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,1,3,4 and 9 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 191349-29:
(8*1)+(7*9)+(6*1)+(5*3)+(4*4)+(3*9)+(2*2)+(1*9)=148
148 % 10 = 8
So 191349-29-8 is a valid CAS Registry Number.
191349-29-8Relevant articles and documents
Direct synthetic approach to N-substituted 1-amino-2,3-dihydro-1H-imidazole-2-thiones
Schantl, Joachim G.,Lagoja, Irene M.
, p. 691 - 700 (2007/10/03)
In an efficient one-pot procedure, the title compounds (8) were obtained by the reaction of α-halo ketones (1) with potassium thiocyanate and monosubstituted hydrazines (3). The reaction is considered to proceed via the formation of azo-alkenes (5) and th