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54458-77-4

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54458-77-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54458-77-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,4,5 and 8 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 54458-77:
(7*5)+(6*4)+(5*4)+(4*5)+(3*8)+(2*7)+(1*7)=144
144 % 10 = 4
So 54458-77-4 is a valid CAS Registry Number.

54458-77-4Downstream Products

54458-77-4Relevant articles and documents

Capture du paradimethoxyorthoquinodimethane:syntheses de quinones et d'un intermediaire de la daunomycinone

Laduranty, Joelle,Lepage, Lucette,Lepage, Yves

, p. 1161 - 1167 (2007/10/02)

New para-dimethoxyl and para-diacetoxy derivatives in the naphthalene, anthracene, naphthacene, naphtho(2,3-c)thiophene and benzo-c-thiophene series are synthesized via the trapping of o-quinodimethanes by various dienophiles.Among these compounds, and in

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