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1541-57-7

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1541-57-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1541-57-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,5,4 and 1 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1541-57:
(6*1)+(5*5)+(4*4)+(3*1)+(2*5)+(1*7)=67
67 % 10 = 7
So 1541-57-7 is a valid CAS Registry Number.

1541-57-7Relevant articles and documents

Naphthyridine deratives or salts thereof

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, (2008/06/13)

A novel naphthyridine compound represented by the general formula (1): wherein R1, R2and R3are independently a hydrogen atom, a lower alkyl group or the like, or R1and R2, or R2and R3, when taken together, form a cyclic group; each of X and Y is a methylene or ethylene group; Z is a phenyl group, a substituted phenyl group or the like; A is a hydrogen atom, a lower alkyl group or the like; and G is an acyl group, shows antagonism for tachykinin receptors and is useful as a prophylactic or therapeutic agent for diseases for which the tachykinin receptors are considered to be responsible. A specific example of such a compound is 2-[(?)-4-(N-benzoyl-N-methyl)amino-3-(3,4-dichlorophenyl)butyl]-10-acetylamino-1,2,3,4-tetrahydro-benzo[b][1,6]naphthyridine.

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