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304904-85-6

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304904-85-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 304904-85-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,4,9,0 and 4 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 304904-85:
(8*3)+(7*0)+(6*4)+(5*9)+(4*0)+(3*4)+(2*8)+(1*5)=126
126 % 10 = 6
So 304904-85-6 is a valid CAS Registry Number.

304904-85-6Downstream Products

304904-85-6Relevant articles and documents

Substituted benzoyl ketones, methods for producing them and their use as herbicides

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Page column 48-49, (2008/06/13)

The invention relates to novel substituted benzoyl ketones of the formula (I) in which n represents 0, 1, 2 or 3, A represents a single bond or represents alkanediyl (alkylene), R1represents hydrogen or represents in each case optionally substituted alkyl or cycloalkyl, R2represents hydrogen, cyano, carbamoyl, halogen, or represents in each case optionally substituted alkyl, alkoxy, alkoxycarbonyl, alkylthio, alkylsulphinyl or alkylsulphonyl, R3represents hydrogen, nitro, cyano, carboxyl, carbamoyl, thiocarbamoyl, halogen, or represents in each case optionally substituted alkyl, alkoxy, alkylthio, alkylsulphinyl, alkylsulphonyl, alkylamino, dialkylamino or dialkylaminosulphonyl, R4represents nitro, cyano, carboxyl, carbamoyl, thiocarbamoyl, halogen, or represents in each case optionally substituted alkyl, alkoxy, alkylthio, alkylsulphinyl, alkylsulphonyl, alkylamino, dialkyiamino or dialkylaminosulphonyl, and Z represents an optionally substituted 4- to 12-membered, saturated or unsaturated, monocyclic or bicyclic, heterocyclic grouping which, contains 1 to 4 hetero atoms (up to 4 nitrogen atoms and optionally—alternatively or additionally—one oxygen atom or one sulphur atom, or one SO grouping or one SO2grouping) and which additionally contains one to three oxo g of the heterocycle roups (C═O) and/or thioxo groups (C═S) as components, of the heterocycle, and to processes for their preparation and to their use as herbicides.

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