71738-69-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71738-69-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,7,3 and 8 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 71738-69:
(7*7)+(6*1)+(5*7)+(4*3)+(3*8)+(2*6)+(1*9)=147
147 % 10 = 7
So 71738-69-7 is a valid CAS Registry Number.
71738-69-7Relevant articles and documents
Rapid and Selective Formylation With Pentafluorophenyl Formate
Kisfaludy, Lajos,Oetvoes, Laszlo
, p. 510 (2007/10/02)
Pentafluorophenyl formate reacts smoothly with N-nucleophiles under mild conditions to give the N-formyl derivatives, whereas O- and S-nucleophiles remain unaffected even in the presence of a tertiary base.
