80927-48-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80927-48-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,9,2 and 7 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 80927-48:
(7*8)+(6*0)+(5*9)+(4*2)+(3*7)+(2*4)+(1*8)=146
146 % 10 = 6
So 80927-48-6 is a valid CAS Registry Number.
80927-48-6Relevant articles and documents
Reactions of Allylidenephosphoranes with Heterocumulenes,I. - Vinylketenimines
Capuano, Lilly,Willmes, Arnold
, p. 80 - 86 (2007/10/02)
According to their α-substituent the allylidenephosphoranes 4 are converted by isocyanates either via Wittig reaction into the hitherto little known vinylketenimines 7 or by carbamoylation and ring closure into the pyrrolone 5 or the 3-pyridylidenephospho