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139996-40-0

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139996-40-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139996-40-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,9,9 and 6 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 139996-40:
(8*1)+(7*3)+(6*9)+(5*9)+(4*9)+(3*6)+(2*4)+(1*0)=190
190 % 10 = 0
So 139996-40-0 is a valid CAS Registry Number.

139996-40-0Downstream Products

139996-40-0Relevant articles and documents

Herbicidal sulfonylureas and their use

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, (2008/06/13)

Substituted sulfonylureas of the formula I STR1 where n and m are each 0 or 1, R1 is hydrogen, alkyl alkenyl or alkynyl, R2 is halogen or trifluoromethyl when m is 0, or is alkyl, alkenyl or alkynyl when m is 1, or is trifluoromethyl or chlorodifluoromethyl when X is O or S and m is 1, X is O, S or N-R4, R4 is hydrogen or alkyl, R3 is hydrogen, halogen, alkyl, haloalkyl or alkoxy, A is haloalkyl, halogen, cyano, nitro, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl or a radical STR2 B is oxygen or an alkylimino group N-R6 ; R5 is hydrogen, unsubstituted or substituted alkyl or unsubstituted or substituted cycloalkyl or is alkenyl or alkynyl and R6 is hydrogen or alkyl or, together with R5, forms a C4 -C6 -alkylene chain in which a methylene group may be replaced by an oxygen atom or a C1 -C4 -alkylimino group, and their environmentally compatible salts, processes and intermediates for the preparation of the compounds I and their use as herbicides and bioregulators.

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