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489-14-5

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489-14-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 489-14-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,8 and 9 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 489-14:
(5*4)+(4*8)+(3*9)+(2*1)+(1*4)=85
85 % 10 = 5
So 489-14-5 is a valid CAS Registry Number.

489-14-5Relevant articles and documents

A process for preparing 3, 4, 5 - toluene azeotrope by-product of the 2, 4, 5 - method for comprehensive utilization of toluene azeotrope (by machine translation)

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Paragraph 0014, (2017/07/19)

A process for preparing 3, 4, 5 - toluene azeotrope by-product of the 2, 4, 5 - method for comprehensive utilization of toluene azeotrope, which belongs to the field of chemical synthesis. In order to 2, 4, 5 - trifluoro toluene as the raw materials, the aminolysis reaction, catalytic hydrogenation dechlorination reaction, the chlorination reaction to synthesize 2, 6 - dichloro - 4 - trifluoromethyl aniline. The above-mentioned integrated utilization method, the useless by-product into higher economic value products, the overall yield 61.7%, purity of 99.5% or more, less impurity species, product quality and stable performance. (by machine translation)

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