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877279-19-1

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877279-19-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 877279-19-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,7,2,7 and 9 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 877279-19:
(8*8)+(7*7)+(6*7)+(5*2)+(4*7)+(3*9)+(2*1)+(1*9)=231
231 % 10 = 1
So 877279-19-1 is a valid CAS Registry Number.

877279-19-1Relevant articles and documents

The synthesis of novel heteroaryl-fused 7,8,9,10-tetrahydro-6H-azepino[1,2- a]indoles, 4-oxo-2,3-dihydro-1H-[1,4]diazepino[1,7-a]indoles and 1,2,4,5-tetrahydro-[1,4]oxazepino[4,5-a]indoles. Effective inhibitors of HCV NS5B polymerase

Ding, Min,He, Feng,Poss, Michael A.,Rigat, Karen L.,Wang, Ying-Kai,Roberts, Susan B.,Qiu, Dike,Fridell, Robert A.,Gao, Min,Gentles, Robert G.

, p. 6654 - 6662 (2011/11/06)

Three synthetic approaches have been developed that allow efficient access to novel heteroaryl fused indole ring systems, including: 7,8,9,10-tetrahydro- 6H-azepino[1,2-a]indoles, 4-oxo-2,3-dihydro-1H-[1,4]diazepino[1,7-a]indoles and 1,2,4,5-tetrahydro-[1,4]oxazepino[4,5-a]indoles. Each strategy is fully exemplified and the relative merits and limitations of the approaches are discussed. The hepatitis C virus (HCV) non-structural 5B (NS5B) polymerase inhibitory activities of select examples from each molecular class are briefly presented.

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