5261-50-7 Usage
General Description
1-CHLOROMETHYL-4-METHYLNAPHTHALENE, also known as 1-chloromethyl-4-methylnaphthalene, is a chemical compound with the molecular formula C12H11Cl. It is a chlorinated derivative of 1-methyl-4-naphthylmethyl chloride, and it is used in the synthesis of various organic compounds and pharmaceutical products. This chemical is a colorless to pale yellow liquid with a molecular weight of 192.67 g/mol. It is primarily used as an intermediate in the production of fragrances, dyes, and other chemicals, and it is known for its strong odor and potential health hazards. Additionally, 1-CHLOROMETHYL-4-METHYLNAPHTHALENE is flammable and should be handled with caution in a well-ventilated area.
Check Digit Verification of cas no
The CAS Registry Mumber 5261-50-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,2,6 and 1 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 5261-50:
(6*5)+(5*2)+(4*6)+(3*1)+(2*5)+(1*0)=77
77 % 10 = 7
So 5261-50-7 is a valid CAS Registry Number.
InChI:InChI=1/C19H23FN2/c1-15-3-4-17(16(2)13-15)14-21-9-11-22(12-10-21)19-7-5-18(20)6-8-19/h3-8,13H,9-12,14H2,1-2H3
5261-50-7Relevant articles and documents
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Riemschneider et al.
, p. 987 (1973)
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187. Acid-Catalyzed Cleavage of 1,4-Dimethyl-1,4-dihydronaphthalene 1,4-Endoperoxide. Reactivity of the Resulting Hydroxyperoxy Carbocation with Nucleophiles
Jefford, Charles W.,Rossier, Jean-Claud,Kohmoto, Shigeo,Boukouvalas, John
, p. 1804 - 1814 (2007/10/02)
In the presence of acids, 1,4-dimethyl-1,4-dihydronaphthalene 1,4-endoperoxie readily reacts with nucleophiles to produce methyl- and ring-substituted naphthalenes in high yields.The regioselectivity observed depends on the nucleophile.The key intermediate is shown to be the corresponding hydroperoxy carbocation which could be intercepted in certain cases prior to aromatization.The hydroperoxide also undergoes Hock-type cleavage and dimerization giving 2,3-dihydro-1-benzoxepins, 4-methyl-1-naphthol, and 1,2,5,6-tetraoxocane as by-products.
