55848-61-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55848-61-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,8,4 and 8 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 55848-61:
(7*5)+(6*5)+(5*8)+(4*4)+(3*8)+(2*6)+(1*1)=158
158 % 10 = 8
So 55848-61-8 is a valid CAS Registry Number.
55848-61-8Relevant articles and documents
Preparation of azetidinones via N-protected oxirancecarboxamide intermediates
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, (2008/06/13)
A multistep process is disclosed for preparing azetidinone intermediates used in the making penems and carbapenems wherein intermediates containing STR1 R' is independently hydrogen or 1, 2 or 3 of lower alkyl or lower alkoxy, preferably hydrogen, wherein
