128252-82-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128252-82-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,2,5 and 2 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 128252-82:
(8*1)+(7*2)+(6*8)+(5*2)+(4*5)+(3*2)+(2*8)+(1*2)=124
124 % 10 = 4
So 128252-82-4 is a valid CAS Registry Number.
128252-82-4Relevant articles and documents
HEXAFLUOROACETONE ALKOXYCARBONYLIMINES
Korenchenko, O. V.,Sokolov, V. B.,Aksinenko, A. Yu,Martynov, I. V.
, p. 313 - 316 (1990)
A convenient preparative method was developed for the preparation of hexafluoroacetone alkoxycarbonylimines by the reaction of α-chlorohexafluoroisopropyl isocyanate with alcohols in the presence of pyridine.The reaction of hexafluoroacetone benzyloxycarb