21. Piperitone is used as the principal raw material for the production of synthetic menthol and thymol . 22. Thymol has been shown to act as a positive allosteric modulator of GABA A " in vitro ".23. Bee balm is the natural source of the antiseptic thymol , the primary active ingredient in modern commercial mouthwash formulas. 24. In a 1994 report released by five major cigarette companies, thymol was listed as one of 599 additives to cigarettes. 25. Small particles of C-4 may be easily identified by mixing with thymol crystals and a few drops of sulfuric acid. 26. The general carbon skeleton of bromothymol blue is common to many indicators including chlorophenol red, thymol blue, and bromocresol green. 27. Bee balm is a natural source of the antiseptic compound thymol , the primary active ingredient in some modern commercial mouthwash formulas. 28. His original recipe was one ounce of thymol crystals dissolved in five fluid ounces of surgical spirit to make the stock solution. 29. They also contain some potassium; magnesium; vitamins neral, neryl acetate, geranyl acetate, geraniol, thymol , and carvone. 30. Thymol can be brominated to Bromthymol ( see [ 15062-34-7 ] ), which is a recognized anthelmintic drug.
