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132490-20-1

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132490-20-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 132490-20-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,4,9 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 132490-20:
(8*1)+(7*3)+(6*2)+(5*4)+(4*9)+(3*0)+(2*2)+(1*0)=101
101 % 10 = 1
So 132490-20-1 is a valid CAS Registry Number.

132490-20-1Downstream Products

132490-20-1Relevant articles and documents

Ring contraction of 3-deoxy-2-O-trifluoromethanesulphonates of α-hydroxy-γ-lactones to oxetanes

Witty,Fleet,Choi,Wilson,Wang,Storer,Myers,Wallis

, p. 6927 - 6930 (2007/10/02)

The ring contraction of α-triflates of 3-deoxy-1,4-lactones bearing hydrogen or alkyl substituents in the 3-position to methyl oxetane-2-carboxylates on treatment with potassium carbonate in methanol is described.

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