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1404115-31-6

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1404115-31-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1404115-31-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,4,1,1 and 5 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1404115-31:
(9*1)+(8*4)+(7*0)+(6*4)+(5*1)+(4*1)+(3*5)+(2*3)+(1*1)=96
96 % 10 = 6
So 1404115-31-6 is a valid CAS Registry Number.

1404115-31-6Downstream Products

1404115-31-6Relevant articles and documents

Highly diastereoselective synthesis of tetralin-fused spirooxindoles via lewis acid-catalyzed C(sp3)H bond functionalization

Machida, Mizuki,Mori, Keiji

, p. 868 - 871 (2018)

A highly diastereoselective synthesis of tetralin-fused spirooxindole derivatives was described. Treatment of benzylidene oxindoles with a catalytic amount of Sc(OTf)3 in refluxing hexane afforded the target compounds in good chemical yields with excellent diastereoselectivities (up to >20:1). Detailed investigation of the reaction mechanism revealed that both interconversion of the two diastereomers and their solubility difference in reaction medium were the key to achieving excellent diastereoselectivities.

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