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871020-38-1

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871020-38-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 871020-38-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,1,0,2 and 0 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 871020-38:
(8*8)+(7*7)+(6*1)+(5*0)+(4*2)+(3*0)+(2*3)+(1*8)=141
141 % 10 = 1
So 871020-38-1 is a valid CAS Registry Number.

871020-38-1Downstream Products

871020-38-1Relevant articles and documents

QUINAZOLINE DERIVATIVES AS ERBB RECEPTOR TYROSINE KINASES

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Page/Page column 212-213, (2010/02/15)

The invention concerns quinazoline derivatives of the formula (I), wherein each of R1, R2, R3, R4, R5, R6, R7, X1, Q1, m and n have any of the meanings defined in the description; processes for their preparation, pharmaceutical compositions containing them and their use in the manufacture of a medicament for use as an antiproliferative agent in the prevention or treatment of tumours which are sensitive to inhibition of erbB receptor tyrosine kinases.

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