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176036-82-1

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176036-82-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 176036-82-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,6,0,3 and 6 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 176036-82:
(8*1)+(7*7)+(6*6)+(5*0)+(4*3)+(3*6)+(2*8)+(1*2)=141
141 % 10 = 1
So 176036-82-1 is a valid CAS Registry Number.

176036-82-1Downstream Products

176036-82-1Relevant articles and documents

7. The chemistry of stable carbenes: Part 2 - Benzoin-type condensations of formaldehyde catalyzed by stable carbenes

Teles, J. Henrique,Melder, Johann-Peter,Ebel, Klaus,Schneider, Regina,Gehrer, Eugen,Harder, Wolfgang,Brode, Stefan,Enders, Dieter,Breuer, Klaus,Raabe, Gerhard

, p. 61 - 83 (1996)

Stable carbenes derived from thiazole, 1 H-imidazole, and 4H -1,2,4-triazole are efficient catalysts for benzoin-type condensations of formaldehyde. Catalysts derived from N-substituted thiazolium salts trimerize formaldehyde to dihydroxyacetone (II). Catalysts based on 1,4-disubstituted 4H-1,2,4-triazol-1-ium salts give glycolaldehyde (I) as the main product and no II, whereas N,N′-disubstituted 1H-imidazol-3-ium salts yield mixtures of both products. The isolation of several intermediates in the catalytic cycle provide a better insight into the reaction mechanism.

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