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916174-19-1

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916174-19-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 916174-19-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,6,1,7 and 4 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 916174-19:
(8*9)+(7*1)+(6*6)+(5*1)+(4*7)+(3*4)+(2*1)+(1*9)=171
171 % 10 = 1
So 916174-19-1 is a valid CAS Registry Number.

916174-19-1Downstream Products

916174-19-1Relevant articles and documents

1H-PYRROLO[2,3-B]PYRIDINE DERIVATIVES USEFUL AS HSP90 INHIBITORS

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Page/Page column 29-30, (2008/06/13)

Compounds of formula (I) have HSP90 inhibitory activity: ring A is an aryl or heteroaryl ring or ring system; R1 is hydrogen, fluoro, chloro, bromo, or a radical of formula (1A): -X-Alk1-(Z)m-(Alk2)n-Q (IA) wherein X is a bond, -O-, -S-, -S(O)-, -SO2-, or -NH-, Z is -O-, -S-, -(C=O)-, -(C=S)-, -S(O)-, -SO2-, -NRA-, or, in either orientation -C(=O)O-, -C(=O)NRA-, -C(=S)NRA-, -SO2NRA-, -NRAC(=O)-, or -NRASO2- wherein RA is hydrogen or C1-C6 alkyl in which one or more hydrogens is optionally substituted by fluorine;Alk1 and AIk2 are optionally substituted divalent C1-C3 alkylene:or C2-C3 alkenylene radicals, m and n are independently 0 or 1, and Q is hydrogen or an optionally substituted carbocyclic or heterocyclic radical; R2 is cyano (-CN), fluoro, chloro, bromo, methyl, ethyl, -OH, -CH2OH, -C(=O)NH2,-C(=O)H, -C(=O)CH3, or -NH2; R3 and R4 are independently selected from hydrogen, fluoro, chloro, bromo, cyano (-CN), C1-C3alkyl optionally substituted with one or more fluorine substituents, C1-C3alkoxy optionally substituted with one or more fluorine substituents, -CH=CH2, -C≡CH, cyclopropyl and -NH2, or R3 and R4 together represent methylenedioxy (-OCH2O-) or ethylenedioxy (-OCH2CH2O-) in either of which one or more hydrogens are optionally replaced by fluorine; S1 is as defined in the description.

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