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61235-70-9

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61235-70-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 61235-70-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,2,3 and 5 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 61235-70:
(7*6)+(6*1)+(5*2)+(4*3)+(3*5)+(2*7)+(1*0)=99
99 % 10 = 9
So 61235-70-9 is a valid CAS Registry Number.

61235-70-9Relevant articles and documents

Diol-tin ketal as effective catalyst in the tin mediated benzoylation of polyols

Fasoli, Ezio,Caligiuri, Antonio,Servi, Stefano,Tessaro, Davide

, p. 41 - 45 (2006)

The monobenzoylation of 1-phenyl-1,2-ethanediol in the presence of different tin reagent has been studied. The stannylene ketal of 1-phenyl-1,2-ethanediol has been prepared and used as a catalyst or generated in situ by exchange with other mixed tin ketals. In either case, the acylation occurs rapidly with 2 mol% of the catalyst with the known selectivity. These experiments clearly establish the catalytic nature of the acylation reaction.

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