71265-09-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71265-09-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,2,6 and 5 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 71265-09:
(7*7)+(6*1)+(5*2)+(4*6)+(3*5)+(2*0)+(1*9)=113
113 % 10 = 3
So 71265-09-3 is a valid CAS Registry Number.
71265-09-3Relevant articles and documents
Halodephosphorylation of α,β-unsaturated phosphonic acid monoesters
Lahrache, Hind,Robin, Sylvie,Rousseau, Gérard
, p. 1635 - 1637 (2005)
Reaction of α,β-ethylenic and acetylenic phosphonic acid monoesters with (biscollidine)iodine(I) or (biscollidine)bromine(I) hexafluorophosphate led to α,β-unsaturated halides by, without precedent, dephosphorylation reactions.
