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61955-29-1

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61955-29-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 61955-29-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,9,5 and 5 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 61955-29:
(7*6)+(6*1)+(5*9)+(4*5)+(3*5)+(2*2)+(1*9)=141
141 % 10 = 1
So 61955-29-1 is a valid CAS Registry Number.

61955-29-1Relevant articles and documents

First straightforward synthesis of 2,4-disubstituted benz[g]isoquinoline-3,5,10(2H)-triones, 1,2,3,5-substituted naphtho[3,2,1-de]isoquinoline-4,7-diones, and 6-substituted benzo[h]pyrido[3,4,5-kl]-1,2,3,4-tetrahydroacridine-5,8-diones

Jacobs, Jan,Kesteleyn, Bart,De Kimpe, Norbert

, p. 7545 - 7554 (2008/12/20)

Structural modifications to the benz[g]isoquinoline skeleton of N-substituted benz[g]isoquinoline-3,5,10(2H)-triones were envisaged in order to make future SAR studies possible for this type of bioactive compounds. Several N-substituted benz[g]isoquinoline-3,5,10(2H)-triones were converted to novel 2,4-substituted benz[g]isoquinoline-3,5,10(2H)-triones, new tetracyclic 1,2,3,5-substituted naphtho[3,2,1-de]isoquinoline-4,7-diones, and 6-substituted benzo[h]pyrido[3,4,5-kl]-1,2,3,4-tetrahydroacridine-5,8-diones. All the synthesized target compounds represent new heterocyclic systems, which were previously undescribed in the literature.

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