Cas 1239231-14-1,(Z)-tert-butyl 6-(methoxymethoxy)-2-tosylhex-4-enoate

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Check Digit Verification of cas no

The CAS Registry Mumber 1239231-14-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,9,2,3 and 1 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1239231-14:
(9*1)+(8*2)+(7*3)+(6*9)+(5*2)+(4*3)+(3*1)+(2*1)+(1*4)=131
131 % 10 = 1
So 1239231-14-1 is a valid CAS Registry Number.

1239231-14-1Upstream product

1239231-14-1Downstream Products

1239231-18-5 (Z)-6-hydroxy-2-tosylhex-4-enoic acid

1239231-14-1Relevant articles and documents

Transannular, decarboxylative Claisen rearrangement reactions for the synthesis of sulfur-substituted vinylcyclopropanes

Craig, Donald,Gore, Sophie J.,Lansdell, Mark I.,Lewis, Simon E.,Mayweg, Alexander V. W.,White, Andrew J. P.

supporting information; experimental part, p. 4991 - 4993 (2010/08/22)

Unsaturated ε-lactones bearing an α-arylsulfonyl or α-arylsulfoximinyl substituent undergo stereoselective transannular, decarboxylative Claisen rearrangement to give substituted vinylcyclopropanes.

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CAS

1239231-14-1