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83873-17-0

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83873-17-0 Usage

Uses

An impurity of Fluorometholone Acetate (F593150).

Check Digit Verification of cas no

The CAS Registry Mumber 83873-17-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,8,7 and 3 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 83873-17:
(7*8)+(6*3)+(5*8)+(4*7)+(3*3)+(2*1)+(1*7)=160
160 % 10 = 0
So 83873-17-0 is a valid CAS Registry Number.

83873-17-0Downstream Products

83873-17-0Relevant articles and documents

Fluorometholone, fluorometholone acetate, and preparation method thereof

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Paragraph 0040; 0049; 0051; 0058; 0060; 0067, (2020/03/12)

The invention discloses fluorometholone, fluorometholone acetate, and a preparation method thereof. According to the preparation method, a compound represented by a formula (II) is taken as a raw material, the compound carries out de-chlorination reaction, esterification reaction, methenylation reaction, hydrogenation reaction, fermentation de-hydrogenation reaction, epoxidation reaction, and ring-opening reaction in sequence to obtain derivatives of fluorometholone; and fluorometholone derivatives carry out hydrolysis to obtain fluorometholone. The preparation method has the advantages of short synthesis route, high yield, low raw material cost, easily available raw materials, simple and convenient purification, high product purity, and strong technological operability, is suitable for industrial production, and has a high industrialization value.

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