78993-81-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78993-81-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,9,9 and 3 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 78993-81:
(7*7)+(6*8)+(5*9)+(4*9)+(3*3)+(2*8)+(1*1)=204
204 % 10 = 4
So 78993-81-4 is a valid CAS Registry Number.
78993-81-4Relevant articles and documents
Reactions of 2-Phenyl-2-oxazolin-5-ones with Imines and Their Corresponding Carbonyl Compounds
Kumar, Pradeep,Mukerjee, Arya K.
, p. 418 - 420 (2007/10/02)
The addition of 2-phenyl-2-oxazolin-5-ones (3) to benzylideneaniline, salicylideneaniline, benzaldehyde or salicylaldehyde affords different products depending upon the nature of the reactants.