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333987-42-1

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333987-42-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 333987-42-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,3,9,8 and 7 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 333987-42:
(8*3)+(7*3)+(6*3)+(5*9)+(4*8)+(3*7)+(2*4)+(1*2)=171
171 % 10 = 1
So 333987-42-1 is a valid CAS Registry Number.

333987-42-1Relevant articles and documents

Cyclic amine compounds as CCR5 antagonists

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, (2008/06/13)

A compound of formula (I) (wherein R1is a hydrogen atom, a hydrocarbon group which may be substituted, a non-aromatic heterocyclic group which may be substituted, R2is a hydrocarbon group which may be substituted, a non-aromatic heterocyclic group which may be substituted, or R1and R2may combine to each other together with A to form a heterocyclic group which may be substituted; A is N or N+—R5.Y?(R5is a hydrocarbon group; Y?is a counter anion); R3is a cyclic hydrocarbon group which may be substituted or a heterocyclic group which may be substituted; n is 0 or 1; R4is a hydrogen atom, a hydrocarbon group which may be substituted, a heterocyclic group which may be substituted, an alkoxy group which may be substituted, an aryloxy group which may be substituted, or an amino group which may be substituted, E is a divalent aliphatic hydrocarbon group which may be substituted by group(s) other than oxo; G1is a bond, CO or SO2; G2is CO, SO2, NHCO, CONH or OCO; J is methine or a nitrogen atom; and each of Q and R is a bond or a divalent C1-3aliphatic hydrocarbon which may be substituted; provided that J is methine when G2is OCO, that one of Q and R is not a bond when the other is a bond and that each of Q and R is not substituted by oxo group(s) when G1is a bond) or a salt thereof has a potent CCR5 antagonistic activity and can be advantageously used for the treatment or prevention of infectious disease of various HIV in human (e.g. AIDS).

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