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634602-13-4

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634602-13-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 634602-13-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,4,6,0 and 2 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 634602-13:
(8*6)+(7*3)+(6*4)+(5*6)+(4*0)+(3*2)+(2*1)+(1*3)=134
134 % 10 = 4
So 634602-13-4 is a valid CAS Registry Number.

634602-13-4Relevant articles and documents

The discovery of 1,2,3,9b-tetrahydro-5H-imidazo[2,1-a]isoindol-5-ones as a new class of respiratory syncytial virus (RSV) fusion inhibitors. Part 1

Bond, Silas,Draffan, Alistair G.,Fenner, Jennifer E.,Lambert, John,Lim, Chin Yu,Lin, Bo,Luttick, Angela,Mitchell, Jeffrey P.,Morton, Craig J.,Nearn, Roland H.,Sanford, Vanessa,Stanislawski, Pauline C.,Tucker, Simon P.

, p. 969 - 975 (2015/02/19)

Respiratory syncytial virus (RSV) is a major cause of respiratory tract infections in infants, young children and adults. Compound 1a (9b-(4-chlorophenyl)-1-(4-fluorobenzoyl)-1,2,3,9b-tetrahydro-5H-imidazo[2,1-a]isoindol-5-one) was identified as an inhibitor of A and B strains of RSV targeting the fusion glycoprotein. SAR was developed by systematic exploration of the phenyl (R1) and benzoyl (R2) groups. Furthermore, introduction of a nitrogen at the 8-position of the tricyclic core resulted in active analogues with improved properties (aqueous solubility, protein binding and log D) and excellent rat pharmacokinetics (e.g., rat oral bioavailability of 89% for compound 17).

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