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92372-39-9

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92372-39-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 92372-39-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,2,3,7 and 2 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 92372-39:
(7*9)+(6*2)+(5*3)+(4*7)+(3*2)+(2*3)+(1*9)=139
139 % 10 = 9
So 92372-39-9 is a valid CAS Registry Number.

92372-39-9Downstream Products

92372-39-9Relevant articles and documents

Efficient and mild Ytterbium(III)-catalyzed tosylation of alcohols

Comagic, Slobodan,Schirrmacher, Ralf

, p. 885 - 888 (2004)

Ytterbium(III) trifluoromethanesulfonate efficiently catalyzes the reaction of primary and secondary alcohols with toluenesulfonic acid anhydride to yield the alkyl tosylates in high yields. The reactions were carried out under neutral and mild conditions and product purification was easily achieved by means of short column chromatography.

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