220-780-8

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Excited-state dynamics of 12'-apo-beta-caroten-12'-al and 8'-apo-beta-caroten-8'-al in supercritical CO2, N2O, and CF3H.

Florian Ehlers et al.

The journal of physical chemistry. B, 112(51), 16690-16700 (2009-04-16)

The ultrafast excited-state dynamics of the two carbonyl carotenoids 12'-apo-beta-caroten-12'-al (12'C) and 8'-apo-beta-caroten-8'-al (8'C) have been investigated in supercritical (sc) fluids by femtosecond transient absorption spectroscopy. CO2, N2O, and CF3H were employed as solvent media over the pressure range 85-300

NTP technical report on the toxicity studies of 2- and 4-Methylimidazole (CAS No. 693-98-1 and 822-36-6) administered in feed to F344/N rats and B6C3F1 mice.

P C Chan

Toxicity report series, (67)(67), 1-G12-1-G12 (2004-05-18)

[Structure-see text] 2-Methylimidazole and 4-methylimidazole are intermediate/starting materials or components in the manufacture of pharmaceuticals, photographic and photothermographic chemicals, dyes and pigments, agricultural chemicals, and rubber; these chemicals have been identified as undesirable by-products in several foods and have been

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