656240-50-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 656240-50-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,6,2,4 and 0 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 656240-50:
(8*6)+(7*5)+(6*6)+(5*2)+(4*4)+(3*0)+(2*5)+(1*0)=155
155 % 10 = 5
So 656240-50-5 is a valid CAS Registry Number.
656240-50-5Relevant articles and documents
Substituted thieno[3,2-C]pyridine carboxylic acid derivatives
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Page/Page column 12, (2008/06/13)
There are provided compounds of the formula wherein R1, R2, R3, X, ring A and ring B are as described. The compounds exhibit anticancer properties.