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165817-38-9

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165817-38-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 165817-38-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,5,8,1 and 7 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 165817-38:
(8*1)+(7*6)+(6*5)+(5*8)+(4*1)+(3*7)+(2*3)+(1*8)=159
159 % 10 = 9
So 165817-38-9 is a valid CAS Registry Number.

165817-38-9Relevant articles and documents

Asymmetric total synthesis of (+)-brefeldin A from (S)-lactate by triple chirality transfer process and nitrile oxide cycloaddition

Kim, Deukjoon,Lee, Jongkook,Phil, Jong Shim,Joong, Inn Lim,Jo, Hyunil,Kim, Sanghee

, p. 764 - 771 (2007/10/03)

A novel synthesis of (+)-brefeldin A (1) has been accomplished on the basis of triple chirality transfer methodology, intramolecular ester enolate alkylation, and both intra- and intermolecular nitrile oxide cycloaddition strategies.

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