335140-79-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 335140-79-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,5,1,4 and 0 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 335140-79:
(8*3)+(7*3)+(6*5)+(5*1)+(4*4)+(3*0)+(2*7)+(1*9)=119
119 % 10 = 9
So 335140-79-9 is a valid CAS Registry Number.
335140-79-9Relevant articles and documents
A convenient synthesis of 4-alkoxy- and 4-hydroxy-2,6-difluoroanilines
Alonso-Alija, Cristina,Michels, Martin,Peilst?cker, Karen,Schirok, Hartmut
, p. 95 - 98 (2004)
Two independent synthetic pathways for the preparation of 4-methoxy, 4-benzyloxy and 4-hydroxy-2,6-difluoroanilines, versatile building blocks in medicinal chemistry, based on diazonium coupling or Curtius-type rearrangements are presented.