73888-84-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73888-84-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,8,8 and 8 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 73888-84:
(7*7)+(6*3)+(5*8)+(4*8)+(3*8)+(2*8)+(1*4)=183
183 % 10 = 3
So 73888-84-3 is a valid CAS Registry Number.
73888-84-3Relevant articles and documents
Fragmentation procedure for preparing 3-amino-azetidinones
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, (2008/06/13)
When 3-(2-hydroxyiminoacetylamino)-2-oxo-azetidine compounds are treated with reactive derivatives of carbonic acid half-esters in aqueous media in the presence of bases a fragmentation takes place which, in addition to 3-amino-2-oxo-azetidines, also yiel