Most products are not sold by their actual chemical names. A very few, however, are known by their true chemical names or close variants. Metals are simply known by and sold under the name of the element (copper, lead, iron, etc.), while other products are known by their common molecular names like sodium bicarbonate (soda), lithium (medication), and helium (to fill balloons).
Your best bet (other than a chemical supply house) is probably a hardware store (drain cleaner) or auto supply store (battery acid). It's not cheap; expect to pay around US $100/gallon for reagent grade.
CaSO4, calcium sulfate, is sold under various names depending on what it's being used for. In one form it is called 'gypsum' (but that's a generic term, not a brand name). As a laboratory dessicant (drying agent) it is sold under the brand name Drierite.
99 % of the magnesium sulfate is a product of chemical industry. Natural Epsom salt is extracted from a salted spring in Epsom (UK) or from the mineral kayserite.
Yes, Dynamo laundry detergent was discontinued in the United States in 2019. The product is no longer being manufactured or sold in the country.
Bleaches are sold in colored bottles to protect the product from exposure to light, which can cause the bleach to break down and lose its effectiveness. Colored bottles help to prevent this degradation and maintain the potency of the bleach for a longer period of time.
Hydrogen Peroxide
Dronabinol is Marinol, marinol is the product that is sold, dronabinol is the chemical name
Ziploc is not and never was a company. It is a brand name of zippered storage bags originally developed and sold by Dow Chemical in 1968. S.C. Johnson & Son now produces the product.
Unless the product is accompanied by a sales receipt or it was sold from a product specific store this is not real way except for asking the person that bought it
toilet paper
French name for a chinese product sold in Groupon ;-)
The product being sold is the product being manufactured or grown for a market willing to purchase the product.
ibm sold oem ms-dos as PC DOS.
exercise equipment, knives, diet pills, jewelry, makeup
Wood is the first product colonist sold for money.
Coke is the most sold coca cola product.
A crooked real estate developer named Bowman sold and then re-sold housing plots in the Bowmanville neighborhood. For some reason his name stuck.