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Posted Date:	08/03/2013 18:22:19
Severity:	Normal
Status:	Acknowledged

Posted Comments:	The structure given as 1,1-ethanediamine is an impossible structure and is associated with the CAS number for ethylenediamine (1,2-ethanediamine). It needs to be fixed.
Curated Date:	24/03/2013 20:21:17
Verdict:	Thank you for your feedback. The erroneous registry number has now been removed. As for the structure itself - while it is not likely to be a very long-lived species, this is a valid chemical structure for which information can exist, therefore the record itself is valid.