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95430-30-1

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95430-30-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 95430-30-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,5,4,3 and 0 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 95430-30:
(7*9)+(6*5)+(5*4)+(4*3)+(3*0)+(2*3)+(1*0)=131
131 % 10 = 1
So 95430-30-1 is a valid CAS Registry Number.

95430-30-1Relevant articles and documents

Acetal formation by metal ion-mediated desulfurization-condensation of thioketones with diols and phenols

Shibuya, Isao,Katoh, Eisaku,Gama, Yasuo,Oishi, Akihiro,Taguchi, Yoichi,Tsuchiya, Tohru

, p. 851 - 859 (1996)

The acetal formation of thioketones with several diols and phenols through metal ion-mediated desulfurization-condensation was investigated. The reactivities of 4,4′-bis(dimethylamino)thiobenzophenone) "thio-Michler's ketone" (TMK) and xanthene-9-thione (XT) toward α,ω-alkanediols [HO(CH2)nOH, n = 2~4] in the presence of silver trifluoroacetate and triethylamine were compared. The reaction of TMK with glycerol, trans- and cis-1,2-cyclohexanediols, α,α'-dihydroxy-o-xylene and biphenyl-2,2-diol in the presence of silver salt gave the corresponding acetals in good yields. On the other hand, copper(I) chloride, in place of silver(I) salt, was useful for catechol and pyrogallol to give their acetals, respectively. It was thus found that thioketones are new and versatile acetalizing reagents for diols and phenols.

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