22038-56-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22038-56-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,0,3 and 8 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 22038-56:
(7*2)+(6*2)+(5*0)+(4*3)+(3*8)+(2*5)+(1*6)=78
78 % 10 = 8
So 22038-56-8 is a valid CAS Registry Number.
22038-56-8Relevant articles and documents
Vinylketenes as Synthons for Bicyclononadienones
Huston, Rima,Rey, Max,Dreiding, Andre S.
, p. 451 - 461 (2007/10/02)
Sechs Vinylketene (9a-9f), wovon fuenf Chlor-vinylketene (9a-e) (s.Schema 2), in situ durch 1,4-Eliminierung von HCl aus den entsrechenden α,β-ungesaettigten Saerechloriden hergestellt, wurden mit Cyclopentadien (2) bzw. 6,6-Dimethyfulven (3) umgesetzt.Du