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30359-34-3

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30359-34-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 30359-34-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,3,5 and 9 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 30359-34:
(7*3)+(6*0)+(5*3)+(4*5)+(3*9)+(2*3)+(1*4)=93
93 % 10 = 3
So 30359-34-3 is a valid CAS Registry Number.

30359-34-3Relevant articles and documents

A phenylacetic acid compound preparation method (by machine translation)

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Paragraph 0099, (2018/03/01)

The invention relates to the field of chemical synthesis, in particular relates to a preparation method of the compound of phenylacetic acid. The present invention provides a preparation method of the compound of phenylacetic acid, the acid compounds of the structural formula states the benzene second grade shown in formula I, the preparation method comprises the following steps: (1) diazo addition reaction: formula II compound containing vinylidene chloride, acid, diazotization reagent, phase transfer catalyst and a copper catalyst in the system of the formula III compound: (2) hydrolysis reaction: the compound of formula III in the presence of acid hydrolysis of formula I compounds. The present invention provides a preparation method of and is simple, easy operation, low cost of raw materials, mild reaction conditions, low risk, does not need to use expensive noble metal catalyst and complex industrial operation means, the product quality is stable, therefore easy achievement of large-scale industrial production. (by machine translation)

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