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220944-36-5

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220944-36-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 220944-36-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,9,4 and 4 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 220944-36:
(8*2)+(7*2)+(6*0)+(5*9)+(4*4)+(3*4)+(2*3)+(1*6)=115
115 % 10 = 5
So 220944-36-5 is a valid CAS Registry Number.

220944-36-5Relevant articles and documents

Regio- and diastereoselective boron-mediated aldol reactions of chiral α,β,γ,δ-unsaturated N-acyloxazolidinones

Takacs, James M.,Jaber, Mohamad R.,Swanson, Benjamin J.,Mehrman, Steven J.

, p. 4313 - 4324 (1998)

Chiral N-acyloxazolidinones derived from conjugated dienoic acids undergo boron-mediated aldol condensation in good yield and with high regio- and diastereoselectivity to provide a convenient method for introducing a 1,3-diene subunit. The condensation of

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