133739-16-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133739-16-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,7,3 and 9 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 133739-16:
(8*1)+(7*3)+(6*3)+(5*7)+(4*3)+(3*9)+(2*1)+(1*6)=129
129 % 10 = 9
So 133739-16-9 is a valid CAS Registry Number.
133739-16-9Relevant articles and documents
PROCESS FOR THE MANUFACTURE OF CRYSTALLINE QUINOLINIUM SALTS AND THEIR OXIDATION TO 1-ALKYL-2-QUINOLONES
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, (2008/06/13)
The invention concerns quinolinium salt intermediates of the formula I STR1 and processes for their manufacture; and their use in the manufacture of aryloxymethyl-substituted 1-alkyl-2-quinolone derivatives which are 5-lipoxygenase inhibitors.