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519188-55-7

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519188-55-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 519188-55-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,1,9,1,8 and 8 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 519188-55:
(8*5)+(7*1)+(6*9)+(5*1)+(4*8)+(3*8)+(2*5)+(1*5)=177
177 % 10 = 7
So 519188-55-7 is a valid CAS Registry Number.

519188-55-7Relevant articles and documents

3 - (2 - (1-Benzothiophen-5-yl) halogenoethoxy) or its hydrare methylpropionic salt and its manufacturing method

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, (2017/08/26)

PROBLEM TO BE SOLVED: To provide a method for producing 3-(2-(1-benzothiophen-5-yl)ethoxy)propionic acid with a high purity, simply, safely and in a large amount and a high yield.SOLUTION: The 3-(2-(1-benzothiophen-5-yl)ethoxy)propionic acid and 1-(3-(2-(1-benzothiophen-5-yl)ethoxy)propionyl)azetidin-3-ol are produced simply, safely, in a large amount, with a high purity and in a high yield by isolating a salt of 3-(2-(1-benzothiophen-5-yl)ethoxy)propionic acid, represented by the general formula (wherein, M represents a sodium ion, calcium ion or ammonium ion; and n represents 1 when M is a sodium ion or ammonium ion, and 2 when M is a calcium ion), or a hydrate thereof.

PREVENTIVE/REMEDY FOR RETINAL NERVE DISEASES CONTAINING ALKYL ETHER DERIVATIVES OR SALTS THEREOF

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Page/Page column 21-22, (2010/11/08)

An alkyl ether derivative represented by the following general formula [1] or its salt: wherein R1 and R2 represent each a substituent such as hydrogen, halogen or alkyl; R3 represents alkylamino, amino or hydroxyl; the ri

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