27303-99-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 27303-99-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,3,0 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 27303-99:
(7*2)+(6*7)+(5*3)+(4*0)+(3*3)+(2*9)+(1*9)=107
107 % 10 = 7
So 27303-99-7 is a valid CAS Registry Number.
27303-99-7Relevant academic research and scientific papers
Process for the preparation of chiral azetidinones
-
Page/Page column 3, (2008/06/13)
Processes for preparing compounds of formula I are disclosed comprising the steps of: (a) forming of chiral propionic acid ester compounds of formula V. (b) reacting compounds of formula V with aniline compounds to yield compounds of formula I
