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397864-40-3

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397864-40-3 Usage

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(6α,11β,16α,17α)-6,9-Difluoro-17-[(2-furanylcarbonyl)oxy]-11-hydroxy-16-methyl-3-oxoandrosta-1,4-diene-17-carbothioic Acid is a steroid used in the preparation of crystalline forms of the therapeutically useful anti-inflammatory corticosteroid fluticasone furoate (I) and its solvates. A fluticasone furoate (F599510) impurity.

Check Digit Verification of cas no

The CAS Registry Mumber 397864-40-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,9,7,8,6 and 4 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 397864-40:
(8*3)+(7*9)+(6*7)+(5*8)+(4*6)+(3*4)+(2*4)+(1*0)=213
213 % 10 = 3
So 397864-40-3 is a valid CAS Registry Number.

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