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108099-97-4

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108099-97-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 108099-97-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,0,9 and 9 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 108099-97:
(8*1)+(7*0)+(6*8)+(5*0)+(4*9)+(3*9)+(2*9)+(1*7)=144
144 % 10 = 4
So 108099-97-4 is a valid CAS Registry Number.

108099-97-4Relevant articles and documents

EFFICIENT PHOTOCHEMICAL OXETANE FORMATION FROM 1-METHYL-2,4,5-TRIPHENYLIMIDAZOLE AND BENZOPHENONES

Ito, Yoshikatsu,Ji-Ben, Meng,Suzuki, Shin,Kusunaga, Yoshitaka,Matsuura, Teruo,Fukuyama, Keiichi

, p. 2093 - 2096 (1985)

In contrast to simple imidazoles, 1-methyl-2,4,5-triphenylimidazole (1) produced stable oxetane photoadducts 3b-e with good efficiency upon irradiation in the presence of benzophenone derivatives 2b-e in acetonitrile solution.Irradiation in the solid-phase was also studied.The oxetanes 3b-e readily underwent cycloreversion by acid catalysis or by heating.

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