77979-09-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77979-09-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,9,7 and 9 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 77979-09:
(7*7)+(6*7)+(5*9)+(4*7)+(3*9)+(2*0)+(1*9)=200
200 % 10 = 0
So 77979-09-0 is a valid CAS Registry Number.
77979-09-0Relevant articles and documents
Reactions of Fulvenes with 1,3-Dipolar Compounds, I. - Reactions of 6-Arylfulvenes with 1,3-Oxazolium-5-olates
Friedrichsen, Willy,Schroeer, Wolf-D.
, p. 476 - 490 (2007/10/02)
Fulvenes 1 react with 1,3-oxazolium-5-olates 2 at the endocyclic double bond in a 1,3-dipolar cycloaddition to form dihydropyrrofulvenes 3, pyrrofulvenes 4, and bispyrrofulvenes 5.