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548796-81-2

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548796-81-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 548796-81-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,8,7,9 and 6 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 548796-81:
(8*5)+(7*4)+(6*8)+(5*7)+(4*9)+(3*6)+(2*8)+(1*1)=222
222 % 10 = 2
So 548796-81-2 is a valid CAS Registry Number.

548796-81-2Relevant articles and documents

2,2,4,6-Tetraaryl-2H-benzo[h]chromenes: The influence of electronic communication between aryl substituents on their photochromism

Aiken, Stuart,Armitage, Georgina K.,Crossley, Daniel L.,Dobson, Rhianne,Gabbutt, Christopher D.,Heron, B. Mark,Jacquemin, Denis,Rice, Craig R.,Soltowska, Nicola,de Azevedo, Orlando D. C. C.

, (2022/01/03)

A series of photochromic 2,2,4,6-tetraaryl-2H-benzo[h]chromenes have been efficiently synthesised by two complementary strategies employing the condensation of 1,1,3-triarylprop-2-yn-1-ols with 4-substituted 1-naphthols and Suzuki cross-coupling chemistry

The influence of a 1,1-diarylvinyl moiety on the photochromism of naphthopyrans

Gabbutt, Christopher D.,Heron, B. Mark,Kilner, Colin,Kolla, Suresh B.

experimental part, p. 4874 - 4883 (2010/11/19)

1,1,3-Triarylpent-4-en-1-yn-3-ols, efficiently obtained in two steps from 1,1,3-triarylprop-2-yn-1-ols by a Meyer-Schuster rearrangement and subsequent addition of lithium trimethylsilylacetylide, react with either a 1- or 2- naphthol to afford photochrom

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