109980-40-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109980-40-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,9,8 and 0 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 109980-40:
(8*1)+(7*0)+(6*9)+(5*9)+(4*8)+(3*0)+(2*4)+(1*0)=147
147 % 10 = 7
So 109980-40-7 is a valid CAS Registry Number.
109980-40-7Relevant academic research and scientific papers
4-HYDROXY-BENZOPYRAN-2-ONES AND 4-HYDROXY-CYCLOALKYL[B]PYRAN-2-ONES USEFUL TO TREAT RETROVIRAL INFECTIONS
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, (2008/06/13)
The present invention relates to compounds of formula I which are 4-hydroxy-benzopyran-2-ones and 4-hydroxy-cycloalkyl[b]pyran-2-ones useful for inhibiting a retrovirus in a mammalian cell infected with said retrovirus. STR1 Wherein R 10 and R 20 taken together are: STR2
