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4059-08-9

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4059-08-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4059-08-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,0,5 and 9 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 4059-08:
(6*4)+(5*0)+(4*5)+(3*9)+(2*0)+(1*8)=79
79 % 10 = 9
So 4059-08-9 is a valid CAS Registry Number.

4059-08-9Downstream Products

4059-08-9Relevant articles and documents

N-difluoromethylazole sulfur (selenium) urea derivative and preparation method thereof

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Paragraph 0060; 0063-0064, (2019/03/08)

The invention discloses an N-difluoromethylazole sulfur (selenium) urea derivative and a preparation method thereof. The N-difluoromethylazole sulfur (selenium) urea derivative comprises N-difluoromethyl benzimidazole sulfourea, N-difluoromethyl imidazole sulfourea, N-difluoromethyl triazole sulfourea and an relevant N-difluoromethyl selenourea derivative; and a benzimidazole derivative, an imidazole derivative or a triazole derivative, elemental sulfur powder or selenium powder, and a catalyst are added into a reaction tube, an organic solvent is added into the reaction tube, halohydrocarbonis injected into the reaction tube, and reacting is carried out under a heating condition to obtain the N-difluoromethylazole sulfur (selenium) urea derivative. The preparation method is simple and easy to operate, the condition is mild, the cheap and economical effects are achieved, and the provided compounds have important potential application value in pesticides, medicines and organic functional materials.

ALKYLATION OF SOME 6-SUBSTITUTED PURINES UNDER INTERPHASE CATALYSIS CONDITIONS

Ramzaeva, N. P.,Goncharova, L. N.,Lidak, M. Yu.,Gol'dberg, Yu. Sh.,Shimanskaya, M. V.

, p. 93 - 98 (2007/10/02)

The mixture of 9-, 3-, and 7-benzyl-6-substituted purines is formed in almost quantitative yield by the alkylation of 6-benzylamino-, 6-furfurylamino-, 6-methylthio-, and 6-chloropurine with benzyhalides in the biphasic system of the liquid-liquid or liquid-solid type in the presence of interphase catalysts (quarternary ammonium salts, 18-crown-6).The catalytic activity of the quarternary ammonium salts increases with the inrease in the lipophilicity of the cation.Taking the alkylation of 6-benzylaminopurine as an example, the possibility of the application of ''triphasic catalysis'' in the alkylation reaction of purines is indicated.The alkylation of 6-substituted purines with isopropylbromide proceeds regioselectively under the conditions of the interphase catalysis with the formation of the corresponding 9-isopropylpurines.

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