Buffing compounds are usually identified by the color for their use. The numbers may not mean anything but batch number. Could be a part number but why worry, match the color for the use listed and you should be fine. Start here:
http://www.caswellplating.com/buffs/buffing.htm
Caswell has similar numbers to the ones you list that refer to the grade of the compound but the color for the best uses.
Could be that they came from them.