111333-98-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 111333-98-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,3,3 and 3 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 111333-98:
(8*1)+(7*1)+(6*1)+(5*3)+(4*3)+(3*3)+(2*9)+(1*8)=83
83 % 10 = 3
So 111333-98-3 is a valid CAS Registry Number.
111333-98-3Relevant articles and documents
Rapid and Selective Formylation With Pentafluorophenyl Formate
Kisfaludy, Lajos,Oetvoes, Laszlo
, p. 510 (1987)
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.
