Cas 144667-61-8,cis-3-benzoyl-2-phenyloxolane

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Check Digit Verification of cas no

The CAS Registry Mumber 144667-61-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,6,6 and 7 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 144667-61:
(8*1)+(7*4)+(6*4)+(5*6)+(4*6)+(3*7)+(2*6)+(1*1)=148
148 % 10 = 8
So 144667-61-8 is a valid CAS Registry Number.

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144667-61-8Relevant articles and documents

Simple synthesis of tetrahydrofurans via reaction of enolates of γ-chloroketones with aldehydes

Barbasiewicz, Michal,Makosza, Mieczyslaw

, p. 1190 - 1194 (2007/10/03)

Enolates of γ-chloropropyl ketones react with aldehydes in protic media to form aldol type adducts that cyclize to substituted tetrahydrofurans, whereas in aprotic media they react mainly along an intramolecular substitution pathway giving cyclopropyl ket

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144667-61-8