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1173103-35-9

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1173103-35-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1173103-35-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,3,1,0 and 3 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1173103-35:
(9*1)+(8*1)+(7*7)+(6*3)+(5*1)+(4*0)+(3*3)+(2*3)+(1*5)=109
109 % 10 = 9
So 1173103-35-9 is a valid CAS Registry Number.

1173103-35-9Relevant articles and documents

Asymmetric synthesis of (-)-tetrahydrolipstatin from a β-hydroxy- δ-oxo sulfoxide

Raghavan, Sadagopan,Rathore, Kailash

scheme or table, p. 1285 - 1288 (2009/12/01)

An asymmetric synthesis of (-)-tetrahydrolipstatin is described. A palladium-catalyzed regioselective oxidation of an alkene to a ketone, highly diastereoselective reduction of a β-hydroxy ketone, selective oxidation of a diol, and modular synthesis are the key features of the synthesis. Georg Thieme Verlag Stuttgart.

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