The EPSRC funded national service is now operated by the Royal Society of Chemistry. For further details of this service go to the CDS/RSC portal
The STFC Chemical Database Service at Daresbury currently provides more restricted database access. Please note that the CrystalWorks component is still being actively developed at Daresbury.

CDS/DL access to CrystalWorks continues via the Access Data link at the top left of this webpage. Alternatively use the CDS/RSC portal.