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42164-42-1

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42164-42-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42164-42-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,1,6 and 4 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 42164-42:
(7*4)+(6*2)+(5*1)+(4*6)+(3*4)+(2*4)+(1*2)=91
91 % 10 = 1
So 42164-42-1 is a valid CAS Registry Number.

42164-42-1Relevant articles and documents

Reductive debenzylation of hexabenzylhexaazaisowurtzitane

Bellamy, Anthony J.

, p. 4711 - 4722 (2007/10/02)

The reductive debenzylation of hexabenzylhexaazaisowurtzitane (2) under a wide variety of hydrogenation conditions has been investigated. Hydrogenation of 2 in acetic anhydride gives the tetraacetyl dibenzyl derivative 3 as the final product. Further acet

Reduction of Cyclic Ureas with Lithium Aluminum Hydride

Bates, Hans Aaron,Condulis, Nicholas,Stein, Nora L.

, p. 2228 - 2229 (2007/10/02)

A series of 1,3-dialkyl-2-imidazolidinones 1 and 1,3-dialklyltetrahydro -2(1H)-pyrimidinones 2 were reduced to the corresponding aminals 3 and 4, respectively, when treated with excess lithium aluminum hydride in ether.The rate of reduction is affected dr

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