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1582316-69-5

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1582316-69-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1582316-69-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,8,2,3,1 and 6 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1582316-69:
(9*1)+(8*5)+(7*8)+(6*2)+(5*3)+(4*1)+(3*6)+(2*6)+(1*9)=175
175 % 10 = 5
So 1582316-69-5 is a valid CAS Registry Number.

1582316-69-5Relevant articles and documents

Benzonitrile oxide cycloadditions with exocyclic methylene benzothiazepine dioxides

Ryan, Sarah J.,Francis, Craig L.,Savage, G. Paul

, p. 381 - 388 (2014/04/03)

N-substituted 5-methylene-2,3,4,5-tetrahydrobenzo[f][1,2]thiazepine 1,1-dioxides underwent 1,3-dipolar cycloaddition with benzonitrile oxide, generated in situ, to give isoxazoline spiro adducts. The cycloadditions were completely regioselective to give the hitherto unreported 3,4-dihydro-2H, 4′ H-spiro[benzo[f][1,2]thiazepine-5, 5′-isoxazole] 1,1-dioxide cycloadduct. Where the N-substituent on the sulfonamide cycloaddition precursor was a 2-substituted arene, the resulting atropisomerism along the N-aryl bond led to facial selectivity in the cycloaddition reaction, with greater than 90% diastereoselectivity. CSIRO 2014.

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