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138587-59-4

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138587-59-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138587-59-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,5,8 and 7 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 138587-59:
(8*1)+(7*3)+(6*8)+(5*5)+(4*8)+(3*7)+(2*5)+(1*9)=174
174 % 10 = 4
So 138587-59-4 is a valid CAS Registry Number.

138587-59-4Relevant articles and documents

Nucleophilic Additions to and Reductions of 5-Formyl- and 5-Acyl-2-isoxazolines (4,5-Dihydroisoxazoles): A Stereoselective Route to β,γ-Dihydroxy Ketones

Curran, Dennis P.,Zhang, Jiancun

, p. 2613 - 2625 (2007/10/02)

Reductions of readily available 5-acyl-2-isoxazolines with L-Selectride follow the Felkin-Anh model and produce syn-5-hydroxyalkyl-2-isoxazolines with excellent (>95:5) selectivities.Swern oxidation of 5-hydroxymethyl-2-isoxazolines, followed by direct ad

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