73747-08-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73747-08-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,7,4 and 7 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 73747-08:
(7*7)+(6*3)+(5*7)+(4*4)+(3*7)+(2*0)+(1*8)=147
147 % 10 = 7
So 73747-08-7 is a valid CAS Registry Number.
73747-08-7Relevant articles and documents
A facile synthesis of N-aryl-N-hydroxyformamides from N-arylhydroxylamines
Ayyangar, N. R.,Brahme, K. C.,Shingare, M. S.,Srinivasan, K. V.
, p. 961 - 963 (2007/10/02)
Several N-arylhydroxylamines (2) have been formylated for the first time with acetic formic anhydride to yield N-hydroxyformanilides (3) in better yields than hitherto reported.