56661-84-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56661-84-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,6,6 and 1 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 56661-84:
(7*5)+(6*6)+(5*6)+(4*6)+(3*1)+(2*8)+(1*4)=148
148 % 10 = 8
So 56661-84-8 is a valid CAS Registry Number.
56661-84-8Relevant articles and documents
1-Oxo-1H-2-benzothiopyran-3-carboxylic acid derivatives
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, (2008/06/13)
The method comprises administering to an animal a novel pharmaceutical composition containing a substituted-1-oxo-1H-2-benzothiopyran-3-carboxylic acid to inhibit antigen-antibody reaction in said animal. Representative of the compounds that can be used i