104554-66-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 104554-66-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,5,5 and 4 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 104554-66:
(8*1)+(7*0)+(6*4)+(5*5)+(4*5)+(3*4)+(2*6)+(1*6)=107
107 % 10 = 7
So 104554-66-7 is a valid CAS Registry Number.
InChI:InChI=1/C7H5NO6S/c9-6(10)5(7(11)12)3-1-4(8(13)14)15-2-3/h1-2,5H,(H,9,10)(H,11,12)
104554-66-7Relevant articles and documents
Pharmaceutical compositions containing thiophene compounds, and new thiophene compounds
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, (2008/06/13)
A pharmaceutical composition containing a thiophene compound of formula: STR1 where R1, R2, R3 and R4 have the meanings given in the description, or a pharmaceutically acceptable addition salt thereof. Said pharmaceutical compositions are useful in treating tumors. New thiophene compounds are also described.