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1254938-26-5

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1254938-26-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1254938-26-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,4,9,3 and 8 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1254938-26:
(9*1)+(8*2)+(7*5)+(6*4)+(5*9)+(4*3)+(3*8)+(2*2)+(1*6)=175
175 % 10 = 5
So 1254938-26-5 is a valid CAS Registry Number.

1254938-26-5Downstream Products

1254938-26-5Relevant articles and documents

NOVEL MONTELUKAST 4-HALOBENZYLAMINE SALT AND METHOD FOR PREPARING MONTELUKAST SODIUM SALT BY USING THE SAME

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, (2013/07/25)

Disclosed are a novel montelukast 4-halobenzylamine salt, and a method for preparing a montelukast sodium salt by using the same. In the disclosed method, a montelukast 4-halobenzylamine salt represented by Formula 2 or a montelukast sodium salt represented by Formula 1 is prepared by obtaining a compound represented by Formula 3 from a compound represented by Formula 5, in the same reactor, without an additional obtaining process. In Formula 2, X represents F, Cl, Br or I.

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