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224789-27-9

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224789-27-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 224789-27-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,4,7,8 and 9 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 224789-27:
(8*2)+(7*2)+(6*4)+(5*7)+(4*8)+(3*9)+(2*2)+(1*7)=159
159 % 10 = 9
So 224789-27-9 is a valid CAS Registry Number.

224789-27-9Upstream product

224789-27-9Downstream Products

224789-27-9Relevant articles and documents

2-Phenyl-substituited Imidazotriazinones as Phoshodiesterase Inhibitors

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Page 45, (2010/02/05)

2-(Sulfamoyl-substituted phenyl)-3H-imidazo (5,1-f) (1,2,4) triazin-4-ones (I) are new. Imidazotriazinones of formula (I) and their salts, N-oxides and isomeric forms are new: R1 = H or 1-4C alkyl; R2 = 1-4C straight chain alkyl; R3, R4 = H, 2-8C alkenyl, 1-8C alkoxy or 1-10C alkyl (optionally interrupted by O and/or substituted by a very wide range of specific groups); or R3 or R4 = NR20R21, adamantyl, 2,2-dimethyl-4-phenyl-1,3-dioxan-5-yl, sulfolanyl, hydroxy-sulfolanyl, 2-oxo-tetrahydrofuran-3-yl; or 3-8C cycloalkyl, 6-10C aryl or 5-7 membered heterocycle, all optionally substituted by specific groups; or NR3R4 = (a) optionally benzo-fused, saturated, partially unsaturated or unsaturated 5-7 membered heterocycle, optionally containing 1-3 of S, N, O and NR37 and optionally substituted by a very wide range of specific groups; or (b) a group of formula (i)-(iv); R20,R21 = H or 1-6C alkyl; R37 = H, OH, CHO, CF3, up to 4C acyl, up to 4C alkoxycarbonyl, 1-4C alkoxy, 1-6C alkyl (optionally substituted by specific groups) or -(CO)iE; i = 0 or 1; E = 3-7C cycloalkyl or benzyl; 6-10C aryl or 5- or 6-membered heteroaryl, both optionally substituted by specific groups ; or 5-methyl-1-oxo-2,1,3-oxadiazol-4-yl, N-methylpiperazino or morpholino; R5,R6 = H, 1-6C alkyl, OH or 1-6C alkoxy. The full definitions are given in the DEFINITIONS (Full Definitions) field. An Independent claim is included for the preparation of (I).

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