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196597-83-8

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196597-83-8 Usage

Chemical Properties

Off-White Solid

Uses

Intermediate in the production of Ramelteon.

Check Digit Verification of cas no

The CAS Registry Mumber 196597-83-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,6,5,9 and 7 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 196597-83:
(8*1)+(7*9)+(6*6)+(5*5)+(4*9)+(3*7)+(2*8)+(1*3)=208
208 % 10 = 8
So 196597-83-8 is a valid CAS Registry Number.

196597-83-8Relevant articles and documents

Bicyclic compounds and pharmaceutical composition containing tricyclic compound for treating or preventing sleep disorders

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Referential example 30, (2010/11/29)

A compound having the following general fomula: wherein R1 is an optionally substituted hydrocarbon, amino or heterocyclic group; R2 is H or an optionally substituted hydrocarbon group; R3 is H or an optionally substituted hydrocarbon or heterocyclic group; X is CHR4, NR4, O or S in which R4 is H or an optionally substituted hydrocarbon group; R5 is H, a halogen atom, C1-6 alkyl group, a C1-6 alkoxy group, a hydroxy group, a nitro group, a cyano group or an amino group wherein the C1-6 alkyl group, the C1-6 alkoxy group and the amino group may be substituted by 1 to 5 substituents, Y is C or N; ring B is an optionally substituted benzene ring; m = 1 to 4 and n = 0 to 2; L represents a leaving group such as a halogen atom, an alkylsulfonyl group, an alkylsulfonlyoxy group and arylsulfonyloxy group; or a salt thereof.

Tricyclic compounds, their production and use

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, (2008/06/13)

A compound of the formula: STR1 wherein R1 is an optionally substituted hydrocarbon, amino or heterocyclic group; R2 is H or an optionally substituted hydrocarbon group; R3 is H or an optionally substituted hydrocarbon or heterocyclic group; X is CHR4, NR4, O or S in which R4 is H or an optionally substituted hydrocarbon group; Y is C, CH or N; ring A is optionally substituted 5- to 7-membered ring; ring B is an optionally substituted benzene ring; and m is 1 to 4, or a salt thereof, a process for producing it, an intermediate for the production and a pharmaceutical composition comprising it are provided.

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