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55614-65-8

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55614-65-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 55614-65-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,6,1 and 4 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 55614-65:
(7*5)+(6*5)+(5*6)+(4*1)+(3*4)+(2*6)+(1*5)=128
128 % 10 = 8
So 55614-65-8 is a valid CAS Registry Number.

55614-65-8Relevant articles and documents

Novel synthesis of 1,3-disubstituted alkyl- and aralkylnaphthalenes from methylenetriphenylphosphorane, 1,1-disubstituted epoxides, paraformaldehyde, and trimethylsilyl triflate

Okuma, Kentaro,Hirose, Yoshitaka,Shioji, Kosei

, p. 438 - 439 (2007/10/03)

A novel approach toward the synthesis of 3-methylnaphthalenes is achieved by the reaction of 3-methylene-5,5-disubstituted tetrahydrofurans derived from methylenetriphenylphosphorane, 1,1-disubstituted epoxides and paraformaldehyde with trimethylsilyl trifluoromethanesulfonate in the presence of diisopropylethylamine.

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