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138752-87-1

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138752-87-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138752-87-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,7,5 and 2 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 138752-87:
(8*1)+(7*3)+(6*8)+(5*7)+(4*5)+(3*2)+(2*8)+(1*7)=161
161 % 10 = 1
So 138752-87-1 is a valid CAS Registry Number.

138752-87-1Relevant articles and documents

2-AMINOETHANESULFONIC ACID DERIVATIVES OF 3,5-DISUBSTITUTED-4-HYDROXY-PHENOLIC THIOETHERS

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, (2008/06/13)

The present invention relates to compounds of the Formula I:wherein R1 and R2 are the same or different and independently represent tert-alkyl, halogen, or phenyl; Alk 1 represents straight or branched chain alkylene of 2 to 10 carbon atoms which can optionally be substituted by hydroxy, provided that said hydroxy is not attached to a carbon which is adjacent to sulfur or oxygen, X represents sulfur or oxygen, and Alk 2 represents straight or branched chain alkylene of 1 to 4 carbon atoms; and the pharmaceutically acceptable salts thereof. These compounds are specific 5-lipoxygenase inhibitors and are useful as anti-inflammatory and anti-allergy agents and in the treatment of conditions mediated by 5-lipoxygenase

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