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1253799-61-9

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1253799-61-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1253799-61-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,3,7,9 and 9 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1253799-61:
(9*1)+(8*2)+(7*5)+(6*3)+(5*7)+(4*9)+(3*9)+(2*6)+(1*1)=189
189 % 10 = 9
So 1253799-61-9 is a valid CAS Registry Number.

1253799-61-9Relevant articles and documents

NITROGEN-CONTAINING HETEROCYCLIC COMPOUND

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Paragraph 0397; 0398, (2015/11/16)

Provided is a compound having a cholinergic muscarinic M1 receptor positive allosteric modulator activity, and useful as a prophylactic or therapeutic drug for Alzheimer's disease, schizophrenia, pain, sleep disorder and the like. The present invention relates to a compound represented by the formula wherein ring A is a 4- to 7-membered ring optionally having substituent (s) ; L is -O-, -S-, -SO- or -SO2-; R1 is a C1-6 alkyl group optionally having substituent(s) (provided that when L is -O-, R1 is not a C1-6 alkyl group optionally substituted by halogen atom(s)), or a cyclic group optionally having substituent(s); X1 is -CRa= or -N=; X2 is -CRb= or -N=; X3 is-CRc= or -N=; Ra, Rb and Rc are each a C1-6 alkyl group, C2-6 alkenyl group, C1-6 alkoxy group, C3-6 cycloalkyl group, C3-6 cycloalkoxy group or C6-14 aryl group, each of which optionally having substituent(s), H or halogen, or a salt thereof.

8-AZA TETRACYCLINE COMPOUNDS

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Page/Page column 34-35, (2010/11/18)

The present invention is directed to a compound represented by Structural Formula (I) or a pharmaceutically acceptable salt thereof. The variables for Structural Formula I are defined herein. Also described is a pharmaceutical composition comprising the compound of Structural Formula I and its therapeutic use.

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