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An alternative synthesis starts with the ethyl ester of 4-hydroxybenzoic acid, which chlorinates at the positions flanking the phenolic center. Ester hydrolysis followed by decarboxylation affords 2,6-dichlorophenol.
CAS number MgBr 2: magnesium bromide: 7789–48–2 MgBr 2 •6H 2 O: magnesium bromide hexahydrate: 13446–53–2 MgCO 3: magnesium carbonate: 546–93–0 Mg(C 2 H 2 O 2) 2: magnesium succinate: 556–32–1 MgC 3 H 9 O 6 P: magnesium glycerophosphate: 927–20–8 MgC 36 H 70 O 4: magnesium stearate: 557–04–0 Mg(ClO 4) 2: magnesium ...
3,4-Epoxycyclohexylmethyl-3',4'-epoxycyclohexane carboxylate (ECC) is a cycloaliphatic epoxy resin which is used in many industrial applications. It reacts by cationic polymerization using thermolatent photoinitiators to form crosslinked insoluble thermosets .
1-Chloro-3,3,3-trifluoropropene (HFO-1233zd) is the unsaturated chlorofluorocarbon with the formula HClC=C(H)CF 3. The compound exists as E- ( cis- ) and Z- ( trans- ) isomers. The trans- isomer of this colorless gas is of interest as a more environmentally friendly (lower GWP; global warming potential) refrigerant in air conditioners. [ 1 ]
1-(2-Chloro-N-methylbenzimidoyl)cyclopentanol, sometimes misleadingly referred to as hydroxylimine hydrochloride, is a chemical compound which is the final intermediate in the synthesis of ketamine, an anaesthetic drug which is also subject to recreational abuse.
number formula name CAS Number InChIKey PCN-1 C 10 H 7 Cl: 1-chloronaphthalene: 90-13-1 JTPNRXUCIXHOKM-UHFFFAOYSA-N PCN-2 C 10 H 7 Cl: 2-chloronaphthalene: 91-58-7 CGYGETOMCSJHJU-UHFFFAOYSA-N
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The check digit is found by taking the last digit times 1, the preceding digit times 2, the preceding digit times 3 etc., adding all these up and computing the sum modulo 10. For example, the CAS number of water is 7732-18-5: the checksum 5 is calculated as (8×1 + 1×2 + 2×3 + 3×4 + 7×5 + 7×6) = 105; 105 mod 10 = 5.