Missing CAS number details-
1. Go to Manufacturer part search
2. Select Search by Material and Substance
3. Enter a valid CAS number value in substance ID text area. The CAS number is not related to any part yet
4. Result displays a blank table
Invalid CAS Number details
3. Enter a random alphabetic name in substance ID text area.
There is no way we can figure out that part is not associated with CAS number or CAS number itself is invalid. General rule for CAS number is 2-7 digits, and all numeric.
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