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309912-57-0

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309912-57-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 309912-57-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,9,9,1 and 2 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 309912-57:
(8*3)+(7*0)+(6*9)+(5*9)+(4*1)+(3*2)+(2*5)+(1*7)=150
150 % 10 = 0
So 309912-57-0 is a valid CAS Registry Number.

309912-57-0Relevant articles and documents

COMBINATIONS OF MEDICAMENTS, CONTAINING PDE4-INHIBITORS AND EP4-RECEPTOR-ANTAGONISTS

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Paragraph 0305; 0306, (2013/09/26)

The present invention relates to new medicament combinations which contain in addition to one or more PDE4-inhibitors (1) at least one EP4 receptor antagonist (2), as well as the use thereof for the treatment of preferably respiratory complaints such as particularly COPD, chronic sinusitis and asthma. The invention relates in particular to those medicament combinations which contain at least one EP4 receptor antagonist (2), in addition to one or more, preferably one, PDE4 inhibitor of general formula 1 wherein X is SO or SO2, but preferably SO, and wherein R3 denotes an optionally substituted, mono- or bicyclic, unsaturated, partly saturated or saturated heterocyclic group or an optionally substituted, mono- or bicyclic heteroaryland wherein R1 and R2 have the meanings given in claim 1, the preparation thereof and the use thereof for the treatment of respiratory complaints.

DRUG COMBINATIONS CONTAINING PDE4 INHIBITORS AND NSAIDS

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, (2012/02/06)

The present invention relates to new drug combinations which contain in addition to one or more PDE4-inhibitors at least one NSAID (=non-steroidal anti-inflammatory drug) (2), processes for preparing them and their use in treating in particular respiratory complaints such as for example COPD, chronic sinusitis and asthma. The invention particularly relates to those drug combinations which, in addition to one or more, preferably one PDE4 inhibitor of general formula 1 wherein X is SO or SO2, but preferably SO, and wherein R3 denotes an optionally substituted, mono- or bicyclic, unsaturated, partly saturated or saturated heterocyclic group or an optionally substituted, mono- or bicyclic heteroaryl and wherein R1 and R2 have the meanings given in claim 1, contain at least one NSAID (2), the preparation thereof and the use thereof for the treatment of respiratory complaints.

NOVEL PHENYL-SUBSTITUTED PIPERAZINO-DIHYDROTHIENOPYRIMIDINES

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Page/Page column 15, (2011/02/25)

The invention relates to novel dihydrothienopyrimidines of the formula 1, and to pharmacologically acceptable salts thereof, formula (1) in which X is SO or SO2, but preferably SO, and either R3 is a monosubstituted phenyl ring in the ortho position or in the meta position, or R3 is a phenyl ring bisubstituted in any positions, and pharmaceutical compositions which comprise these compounds. These novel dihydrothienopyrimidines are suitable for the treatment of respiratory or gastrointestinal symptoms or disorders, inflammatory disorders of the joints, of the skin or of the eyes, disorders of the peripheral or central nervous system or cancers.

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