128243-68-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128243-68-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,2,4 and 3 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 128243-68:
(8*1)+(7*2)+(6*8)+(5*2)+(4*4)+(3*3)+(2*6)+(1*8)=125
125 % 10 = 5
So 128243-68-5 is a valid CAS Registry Number.
128243-68-5Relevant academic research and scientific papers
Studies on Isocyanides. Synthesis of N-Substituted 2-Isocyanocarboxamides
Bossio, Ricardo,Marcaccini, Stefano,Pepino, Roberto
, p. 935 - 937 (2007/10/02)
The Ugi four-component condensation between isocyanides, aldehydes, and ammonium formate affords N-substituted 2-formylaminocarboxamides 1 which are dehydrated with POCl3/NEt3 to give the title compounds.
