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55453-88-8

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55453-88-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 55453-88-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,4,5 and 3 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 55453-88:
(7*5)+(6*5)+(5*4)+(4*5)+(3*3)+(2*8)+(1*8)=138
138 % 10 = 8
So 55453-88-8 is a valid CAS Registry Number.

55453-88-8Relevant articles and documents

Methoxyphenylacetic acid, intermediate thereof, and preparation method of salt thereof

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Paragraph 0151; 0152; 0153; 0219; 0220; 0221, (2017/08/28)

The invention discloses methoxyphenylacetic acid, an intermediate thereof, and a preparation method of a salt thereof. The invention provides a preparation method of hydroxyl phenylacetate, wherein the method may be a method (1) or a method (2). The method has high yield, high purity, simple operation process, mild reaction conditions, short reaction time and low demand on equipment. A catalyst in the method is recyclable, so that the method has simple post-treatment. The method is environment-friendly, is low in production cost and is suitable for industrial production.

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