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23405-30-3

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23405-30-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 23405-30-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,4,0 and 5 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 23405-30:
(7*2)+(6*3)+(5*4)+(4*0)+(3*5)+(2*3)+(1*0)=73
73 % 10 = 3
So 23405-30-3 is a valid CAS Registry Number.

23405-30-3Upstream product

23405-30-3Downstream Products

23405-30-3Relevant articles and documents

Metal-Ammonia Reduction of Naphthalene at -33 deg C: Formation of Oligomeric Compounds

Vlieger, Jan J. de,Kieboom, Antonius P. G.,Bekkum, Herman van

, p. 1389 - 1392 (1986)

Naphthalene (1) has been reductively protonated in a dry ammonia/cosolvent mixture at -33 deg C using Li, Na, K, and Mg.In addition to 1,4-dihydro-, 1,2-dihydro-, and 1,2,3,4-tetrahydronaphthalene (2-4, respectively) substantial amounts (20-70percent) of oligomeric compounds were formed in the case of Li and Na.The reactions have been followed in time in order to obtain insight into the influence of the metal on the reaction course.The results indicate that the oligomerization proceeds via an anionic reaction mechanism by attack of the naphthalene monoanion onto the olefinic bond of 1,2-dihydronaphthalene.

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