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101909-27-7

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101909-27-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 101909-27-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,1,9,0 and 9 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 101909-27:
(8*1)+(7*0)+(6*1)+(5*9)+(4*0)+(3*9)+(2*2)+(1*7)=97
97 % 10 = 7
So 101909-27-7 is a valid CAS Registry Number.

101909-27-7Relevant articles and documents

Synthesis of tetra- and pentasubstituted benzenes from dimedone and derivatives

Nelson,Nelson

, p. 1287 - 1290 (2007/10/02)

Treatment of dimedone (5,5-dimethylcyclohexane-1,3-dione) and derivatives with one molar equivalent of sulfuric acid in trifluoroacetic anhydride leads, via sulfonation and a 1,2-methyl group migration, to a variety of dimethylresorcinol derivatives. The

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