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1063995-54-9

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1063995-54-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1063995-54-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,6,3,9,9 and 5 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1063995-54:
(9*1)+(8*0)+(7*6)+(6*3)+(5*9)+(4*9)+(3*5)+(2*5)+(1*4)=179
179 % 10 = 9
So 1063995-54-9 is a valid CAS Registry Number.

1063995-54-9Upstream product

1063995-54-9Downstream Products

1063995-54-9Relevant articles and documents

Antitumor drug lenalidomide intermediate preparation method

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, (2018/09/21)

The invention discloses an antitumor drug lenalidomide intermediate preparation method. The preparation method comprises the following steps: 1) under existence of cuprous iodide and organic alkali, performing contact reaction between 4-nitro indoline and 3-bromine-2,6-piperidine to obtain 3-(4-nitro-1,3-xylylenimine-2-yl)piperidine-2,6-diketone; 2) performing oxidizing reaction on the 3-(4-nitro-1,3-xylylenimine-2-yl)piperidine-2,6-diketone obtained in the step 1) to obtain lenalidomide intermediate of 3-(4-nitro-1-oxo-1,3-xylylenimine-2-yl)piperidine-2,6-diketone. The method disclosed by the invention has obviously smaller steps, the raw materials are easy to obtain, a yield is also improved, and the method is more suitable for industrial production.

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