883531-98-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 883531-98-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,3,5,3 and 1 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 883531-98:
(8*8)+(7*8)+(6*3)+(5*5)+(4*3)+(3*1)+(2*9)+(1*8)=204
204 % 10 = 4
So 883531-98-4 is a valid CAS Registry Number.
883531-98-4Relevant articles and documents
CHLORO-PYRAZINE CARBOXAMIDE DERIVATIVES WITH EPITHELIAL SODIUM CHANNEL BLOCKING ACTIVITY
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Paragraph 0371; 0373, (2014/06/25)
This invention provides compounds of the formula I: and their pharmaceutically acceptable salts, useful as sodium channel blockers, compositions containing the same, therapeutic methods and uses for the same and processes for preparing the same.