134420-07-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134420-07-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,4,2 and 0 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 134420-07:
(8*1)+(7*3)+(6*4)+(5*4)+(4*2)+(3*0)+(2*0)+(1*7)=88
88 % 10 = 8
So 134420-07-8 is a valid CAS Registry Number.
134420-07-8Relevant articles and documents
Studies on isocyanides and related compounds. Synthesis of benzofuran derivatives
Bossio,Marcaccini,Paoli,Pepino,Polo
, p. 999 - 1000 (2007/10/02)
The reaction between 2-hydroxybenzaldehyde (1a), isocyanides 2, and ammonium formate, in the conditions of the Ugi four-component condensation, affords 2-alkylamino- and 2-arylamino-3-[(2-hydroxybenzylidene)amino]benzofurans 3a-c. Analogously by employing
