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1350538-24-7

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1350538-24-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1350538-24-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,0,5,3 and 8 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1350538-24:
(9*1)+(8*3)+(7*5)+(6*0)+(5*5)+(4*3)+(3*8)+(2*2)+(1*4)=137
137 % 10 = 7
So 1350538-24-7 is a valid CAS Registry Number.

1350538-24-7Relevant articles and documents

CRYSTALLINE OF CARBAPENEM DERIVATIVE OR ITS HYDRATE, PREPARATION METHODS AND USES THEREOF

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Paragraph 0051; 0052, (2013/04/10)

The present invention relates to a crystalline form of carbapenems derivative (4R,5S,6S)-6-((R)-1-hydroxyethyl)-4-methyl-7-oxo-3-(((3S,5S)-5-((4-sulfamoylbenzyl)carbamoyl)pyrrolidin-3-yl)thio)-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid_as represented by formula (I) or hydrate thereof and the preparation methods thereof, wherein said method comprise: dissolving the compound as represented by formula (I) by an aqueous solution of N,N′-dimethylformamide (DMF), dimethyl sulfoxide (DMSO), and then adding a poor solvent dropwise to this solution, filtering and drying to obtain a crystal. Another method comprises: formulating the compound as represented by formula (I) as an aqueous suspension; after adjusting pH until complete dissolution, adding a mixed solvent of organic solvent/water with a certain volume ratio; adjusting pH to 5.4-7.0, cooling to low temperature, filtering and drying to obtain a crystal. The invention also relates to the use of the crystalline form of compound A or hydrate thereof in the preparation of a medicament for treating and/or preventing infectious diseases. The invention further relates to a pharmaceutical composition comprising the crystalline form of compound A or hydrate thereof and one or more pharmaceutical carriers and/or diluents.

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