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Key line: /CASNR,1,0 (A7,1X,I4,1X,I4)
Data line: CASNR (1X,15A1)
Default: CASNR = 0-00-0

The CAS registry number is stored as a string as defined by Chemical Abstracts Services. The middle part of the number must not exceed the value of 99 and has to be stored as two-digit number (01 instead of 1). The right part is always one digit (check number).

Last Update: 2012-Okt-20