128457-25-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128457-25-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,4,5 and 7 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 128457-25:
(8*1)+(7*2)+(6*8)+(5*4)+(4*5)+(3*7)+(2*2)+(1*5)=140
140 % 10 = 0
So 128457-25-0 is a valid CAS Registry Number.
128457-25-0Relevant articles and documents
A simple synthesis of oxazolidinones in one step from carbon dioxide
Fournier,Bruneau,Dixneuf
, p. 1721 - 1722 (2007/10/02)
The reaction of carbon dioxide, propargyl alcohol derivatives and primary amines, catalysed by phosphine, gives N-substituted 4-methylene-oxazolidin-2-ones.
