87303-97-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87303-97-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,3,0 and 3 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 87303-97:
(7*8)+(6*7)+(5*3)+(4*0)+(3*3)+(2*9)+(1*7)=147
147 % 10 = 7
So 87303-97-7 is a valid CAS Registry Number.
87303-97-7Relevant academic research and scientific papers
Method of preparation of 3-methylene cepham compounds
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, (2008/06/13)
A method for the preparation of 3-methylene cepham compounds which comprises reacting 3-halomethyl butenoate derivatives of thiazolinoazetidinone with an aqueous acid solution in a mixed organic solvent.
