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238747-46-1

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238747-46-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 238747-46-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,8,7,4 and 7 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 238747-46:
(8*2)+(7*3)+(6*8)+(5*7)+(4*4)+(3*7)+(2*4)+(1*6)=171
171 % 10 = 1
So 238747-46-1 is a valid CAS Registry Number.

238747-46-1Downstream Products

238747-46-1Relevant articles and documents

Ring-opening of NH-aziridines with thiols in ionic liquids: Application to the synthesis of aminosulfide catalysts for asymmetric epoxidation of aldehydes

Namutebi, Mariam,McGarrigle, Eoghan M.,Aggarwal, Varinder K.

experimental part, p. 1250 - 1272 (2010/08/21)

The ring opening of NH-aziridines with thiols was found to proceed in good yield at room temperature in the presence of an ionic liquid1-butyl-3- methylimidazolium chloride (BMIM chloride). This mild methodology was applied to the synthesis of a camphor-derived chiral aminosulfide. The sulfide was used to generate a sulfur ylide, which effected an asymmetric epoxidation of benzaldehyde (e.r. 85:15, trans:cis 90:10, 87% yield). The amino group enabled easy recovery of the sulfide (98% yield) after the reaction by a simple acid/base extraction. Copyright Taylor & Francis Group.

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