Miscellaneous Organic Molecules with Isotopical Substitutions

Applications 2,3-Pentanedione-1,1,1,4,4-d5 is deuterated form of 2,3-Pentanedione which is a diketone that is used as a building block in organic chemistry. It is also a volatile flavour compound found in coffee, cheese and other foods.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Engels, W., et al.: Int. Dairy J., 7, 255 (1997); Roberts, D., et al.: J. Agric. Food Chem., 48, 2430 (2000);

Applications Fenuron-d5 (phenyl-d5) (CAS# 1219802-06-8) is a useful isotopically labeled research compound. It can be used for the preparation of difunctionalized indoles.
References Lv, H., et al.: Org. Biomol. Chem., 15, 8054 (2017)

Applications Labelled Ascorbic Acid. Physiological antioxidant. Coenzyme for a number of hydroxylation reactions; required for collagen synthesis. Widely distributed in plants and animals. Inadequate intake results in deficiency syndromes such as scurvy. Used as antimicrobial and antioxidant in foodstuffs.
References Al-Meshal, I.A., et al.: Anal. Profiles Drug Subs., 11, 45 (1982), Levine, M., et al.: N. Engl. J. Med., 314, 892 (1986), Prust, C., et al.: Nature Biotech., 23, 195 (2005),

Applications Labelled Ascorbic Acid. Physiological antioxidant. Coenzyme for a number of hydroxylation reactions; required for collagen synthesis. Widely distributed in plants and animals. Inadequate intake results in deficiency syndromes such as scurvy. Used as antimicrobial and antioxidant in foodstuffs.
References Al-Meshal, I.A., et al.: Anal. Profiles Drug Subs., 11, 45 (1982), Levine, M., et al.: N. Engl. J. Med., 314, 892 (1986), Prust, C., et al.: Nature Biotech., 23, 195 (2005),

Applications Active antimalarial constituent of the tradional Chinese medicinal herb Artemisia annua L., Compositae, which has been known for almost 2000 years as Qinghao. Antimalarial.
References Klayman, D.L., et al.: Science, 228, 1049 (1985), Price, R.N., et al.: Expert Opin. Invest. Drugs, 9, 1815 (2000), Meshnick, S.R., et al.: Int. J., Parasitol., 32, 1655 (2002),