25290-58-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25290-58-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,2,9 and 0 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 25290-58:
(7*2)+(6*5)+(5*2)+(4*9)+(3*0)+(2*5)+(1*8)=108
108 % 10 = 8
So 25290-58-8 is a valid CAS Registry Number.
25290-58-8Relevant articles and documents
N-Acyl- and N-Aryl-N'-alkylidenureas as Precursors of Isocyanates or Acylisocyanates
Schweim, Harald G.,Juergens, Sabine
, p. 844 - 850 (2007/10/02)
Derivatives of isocyanates or acylisocyanates were prepared by reactions with ketimines.Fragmentation reactions of the product were examined.