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940311-45-5

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940311-45-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 940311-45-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,0,3,1 and 1 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 940311-45:
(8*9)+(7*4)+(6*0)+(5*3)+(4*1)+(3*1)+(2*4)+(1*5)=135
135 % 10 = 5
So 940311-45-5 is a valid CAS Registry Number.

940311-45-5Upstream product

940311-45-5Relevant articles and documents

PYRIMIDO [5,4-D] PYRIMIDINE DERIVATIVES FOR THE INHIBITION OF TYROSINE KINASES

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Page/Page column 35-36, (2010/09/17)

The present invention encompasses compounds of general formula (1), wherein the groups R1 to R4, X1, X2, X3, X4, X5, Q, L1 and L2 are defined as in claim 1, which are suitable for the treatment of diseases characterised by excessive or abnormal cell proliferation, as well as pharmaceutical preparations and formulations of these compounds.

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