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364046-84-4

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364046-84-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 364046-84-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,6,4,0,4 and 6 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 364046-84:
(8*3)+(7*6)+(6*4)+(5*0)+(4*4)+(3*6)+(2*8)+(1*4)=144
144 % 10 = 4
So 364046-84-4 is a valid CAS Registry Number.

364046-84-4Relevant articles and documents

Method for synthesizing clonazepam compound

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, (2021/07/24)

The invention discloses a method for synthesizing a clonazepam compound, and belongs to the technical field of organic chemical synthesis, and the preparation method comprises the following steps: by taking 2-amino-4-nitrophenyl potassium trifluoroborate as an initial raw material, carrying out oxidative coupling, amidation, affinity substitution reaction, intramolecular condensation reaction and the like to obtain a target compound; the method disclosed by the invention is short in synthesis step, safe to operate and simple and convenient in post-treatment, and the product can be obtained by directly filtering and leaching without other purification; only conventional acid, alkali and solvents are used in the whole reaction process, the cost is low, and the yield is increased by 30% or above.

Novel method for preparing 7-amino clonazepam compound

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Paragraph 0042-0043; 0059-0061, (2021/07/08)

The invention discloses a novel method for preparing a 7-amino clonazepam compound, and belongs to the technical field of organic synthesis. The preparation method comprises the steps that 2-amino-4-nitrobenzoic acid serves as an initial raw material, and a target compound is obtained through the processes of acetyl-lactonization, Grignard reaction, amide hydrolysis, intramolecular condensation reaction, reduction and the like. The method provided by the invention is safe to operate, avoids the use of heavy metals, is simple and convenient in post-treatment, can obtain the product through direct filtration and recrystallization, and does not need other purification. Only conventional acid, alkali and solvents are used in the whole reaction process, so that the method is less in environmental pollution, low in cost and higher in yield.

On the synthesis of 3-amino-4-aryl-2(1H)-quinolinones

Bahr,Usbeck

, p. 668 - 671 (2007/10/02)

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