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139118-84-6

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139118-84-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139118-84-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,1,1 and 8 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 139118-84:
(8*1)+(7*3)+(6*9)+(5*1)+(4*1)+(3*8)+(2*8)+(1*4)=136
136 % 10 = 6
So 139118-84-6 is a valid CAS Registry Number.

139118-84-6Relevant articles and documents

Enantioselective construction of highly functionalized bicyclo[4.3.0] system through Diels-Alder cycloaddition

Fuji,Tanaka,Abe,Itoh,Node,Taga,Miwa,Shiro

, p. 1319 - 1327 (2007/10/02)

The Diels-Alder reaction of chiral 2-alkylsulfinyl-1-nitroalkene 4 with Danishefsky's diene afforded adducts 9a and 10a in good chemical yield with a high enantiomeric excess, while diastereomeric nitroalkene 5 gave 9b and 10b, enantiomeric to 9a and 10a,

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