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159883-92-8

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159883-92-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 159883-92-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,8,8 and 3 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 159883-92:
(8*1)+(7*5)+(6*9)+(5*8)+(4*8)+(3*3)+(2*9)+(1*2)=198
198 % 10 = 8
So 159883-92-8 is a valid CAS Registry Number.

159883-92-8Relevant articles and documents

Efficient asymmetric synthesis of novel gastrin receptor antagonist AG-041R via highly stereoselective alkylation of oxindole enolates

Emura, Takashi,Esaki, Toru,Tachibana, Kazutaka,Shimizu, Makoto

, p. 8559 - 8564 (2006)

An efficient method for asymmetric synthesis of the potent Gastrin/CCK-B receptor antagonist AG-041R was developed. Core oxindole stereochemistry was established by asymmetric alkylation of oxindole enolates with bromoacetic acid esters, using l-menthol a

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