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57772-77-7

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57772-77-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57772-77-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,7,7 and 2 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 57772-77:
(7*5)+(6*7)+(5*7)+(4*7)+(3*2)+(2*7)+(1*7)=167
167 % 10 = 7
So 57772-77-7 is a valid CAS Registry Number.

57772-77-7Downstream Products

57772-77-7Relevant articles and documents

Synthesis of 2,3-dideuterioesters from 2-halo-3-hydroxyesters by using metallic samarium and diiodomethane

Concellón, José M,Huerta, Mónica

, p. 4943 - 4946 (2007/10/03)

2,3-Dideuterioesters are obtained in high yield from 2-chloro-3-hydroxyesters by a sequenced elimination/reduction process promoted by samarium diiodide generated in situ from metallic samarium and diiodomethane.

Kinetic studies of the homogeneous coupling reaction between electrochemically generated aromatic radical anions and alkyl radicals

Pedersen, Steen Uttrup,Lund, Torben,Daasbjerg, Kim,Pop, Mihaela,Fussing, Ingrid,Lund, Henning

, p. 657 - 671 (2007/10/03)

Radicals produced via the indirect reduction of alkyl halides by aromatic radical anions are likely to couple fast with the mediator. In the presence of activated olefins or good hydrogen atom donors the fate of the alkyl radicals might be changed. In this study rate constants for the coupling reaction (2) between primary, secondary and tertiary alkyl radicals and some aromatic radical anions were measured via the competition with addition of the radical to styrene or ethyl cinnamate, or via the competition with hydrogen atom transfer from thiophenol or 2-methyl-2-propanethiol to the alkyl radical. It is shown that for all the alkyl radicals and aromatic radical anions investigated so far the rate constant for coupling is close to 1 × 109 M-1 s-1. Acta Chemica Scandinavica 1998.

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