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Vanillic acid (4-hydroxy-3-methoxybenzoic acid) is a dihydroxybenzoic acid derivative used as a flavoring agent. It is an oxidized form of vanillin. It is also an intermediate in the production of vanillin from ferulic acid. [2][3]
A CAS Registry Number[1] (also referred to as CAS RN[2] or informally CAS Number) is a unique identification number, assigned by the Chemical Abstracts Service (CAS) in the US to every chemical substance described in the open scientific literature, in order to index the substance in the CAS Registry. This registry includes all substances ...
This is a list of common chemical compounds with chemical formulae and CAS numbers, ... 121-34-6 C 8 H 9 NO 2: acetaminophen: 103-90-2 C 8 H 9 NO 2 ...
Chemical formula Synonyms CAS number C 10 H 16 N 2 O 8: Ethylenediaminetetraacetic acid (EDTA): 6381–92–6 C 12 H 22 O 11: sucrose: 57–50–1 C 18 H 29 O 3 S: sodium dodecyl benzenesulfonate: 2155–30–0
CAS Number. 121-57-3 ... Sulfanilic acid (4-aminobenzenesulfonic acid) is an organic compound with the formula H 3 NC 6 H 4 SO 3. It is an off-white solid.
Vanillin was first synthesized from eugenol (found in oil of clove) in 1874–75, less than 20 years after it was first identified and isolated. Vanillin was commercially produced from eugenol until the 1920s. [34] Later it was synthesized from lignin-containing "brown liquor", a byproduct of the sulfite process for making wood pulp. [12]
According to ASHRAE standard 34, the R-number of a chemical refrigerant is assigned systematically according to its molecular structure and has between two and four digits. If there are carbon -carbon multiple bonds , there are four digits in all: the number of these bonds is the first digit and the number of carbon atoms minus one (C-1) is next.
[34] Occupational exposure to benzalkonium chloride has been linked to the development of asthma. [ 35 ] In 2011, a large clinical trial designed to evaluate the efficacy of hand sanitizers based on different active ingredients in preventing virus transmission amongst schoolchildren was re-designed to exclude sanitizers based on benzalkonium ...