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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

Synthesis of 1,3-Disubstituted Diazolidines

Lambert, Joseph B.,Huseland, Dave E.,Wang, Gen-tai

, p. 657 - 658 (2007/10/02)

Symmetrical and unsymmetrical 1,3-diaminoethanes 1 are obtained by the reduction of N,N'-disubstituted oxamides 4 with lithium aluminum hydride.The oxamides 4 are readily produced by treatment of diethyl oxalate with primary amines.The 1,3-diaminoethanes 1 lead to 1,3-diazolidines 2 on treatment with formaldehyde.

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