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667940-42-3

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667940-42-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 667940-42-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,7,9,4 and 0 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 667940-42:
(8*6)+(7*6)+(6*7)+(5*9)+(4*4)+(3*0)+(2*4)+(1*2)=203
203 % 10 = 3
So 667940-42-3 is a valid CAS Registry Number.

667940-42-3Downstream Products

667940-42-3Relevant articles and documents

Synthesis and structure-activity relationships of thieno[2,3-b]pyrroles as antagonists of the GnRH receptor

Arnould, Jean Claude,Delouvrie, Benedicte,Boutron, Pascal,Dossetter, Al G.,Foote, Kevin M.,Hamon, Annie,Hancox, Urs,Harris, Craig S.,Hutton, Mike,Lamorlette, Maryannick,Matusiak, Zbigniew

, p. 6448 - 6454 (2008/09/17)

A new class of small-molecule GnRH antagonists, the thieno[2,3-b]pyrroles, was designed. Herein, the synthesis and structure-activity relationships are described. Substitution at the C4 position was investigated; during this study, it was observed that in

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