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754196-97-9

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754196-97-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 754196-97-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,5,4,1,9 and 6 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 754196-97:
(8*7)+(7*5)+(6*4)+(5*1)+(4*9)+(3*6)+(2*9)+(1*7)=199
199 % 10 = 9
So 754196-97-9 is a valid CAS Registry Number.

754196-97-9Upstream product

754196-97-9Relevant articles and documents

Synthetic method for 2,6-diamino-3,5-dinitropyrazine-1,4-dioxide

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Paragraph 0005; 0008; 0009, (2017/02/02)

The invention discloses a synthetic method for 2,6-diamino-3,5-dinitropyrazine-1,4-dioxide, which belongs to the field of chemical synthesis. The method comprises the following steps: with 2-3-pyrazinedicarboxylic acid as a raw material, preparing 2-diamino-3-nitropyrazine under the conditions of nitric acid, trifluoroacetic acid and the like; then adding dimethyl sulfoxide and ammonia water and carrying out stirring as temperature is controlled; adding potassium permanganate, introducing ammonia gas and successively carrying out dilution, filtering, drying and the like so as to obtain 2,6-diamino-3,5-dinitropyrazine; and finally, adding potassium chlorate and hydrogen peroxide and preparing 2,6-diamino-3,5-dinitropyrazine-1,4-dioxide under the conditions of a dark place and adjustment of a pH value.

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