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1202690-22-9

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1202690-22-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1202690-22-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,2,6,9 and 0 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1202690-22:
(9*1)+(8*2)+(7*0)+(6*2)+(5*6)+(4*9)+(3*0)+(2*2)+(1*2)=109
109 % 10 = 9
So 1202690-22-9 is a valid CAS Registry Number.

1202690-22-9Relevant articles and documents

Structure-activity relationship studies and sleep-promoting activity of novel 1-chloro-5,6,7,8-tetrahydroimidazo[1,5-a]pyrazine derivatives as dual orexin receptor antagonists. Part 2

Sifferlen, Thierry,Koberstein, Ralf,Cottreel, Emmanuelle,Boller, Amandine,Weller, Thomas,Gatfield, John,Brisbare-Roch, Catherine,Jenck, Francois,Boss, Christoph

, p. 3857 - 3863 (2013/07/27)

Replacement of the dimethoxyphenyl moiety in the core skeleton of almorexant by appropriately substituted imidazoles afforded novel 1-chloro-5,6,7,8-tetrahydroimidazo[1,5-a]pyrazine derivatives as potent dual orexin receptor antagonists. We describe in th

5,6,7,8-TETRAHYDRO-IMIDAZO[1,5-A]PYRAZINE COMPOUNDS

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Page/Page column 42, (2010/01/30)

The invention relates to 5,6,7,8-tetrahydro-imidazo[1,5- a]pyrazine derivatives of formula (I) wherein R1, R2, R3, and R4 are as described n the description, to salts, especially pharmaceutically acceptable salts thereof, and to the use of such compounds as medicaments; especially as orexin receptor antagonists.

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