1637438-04-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1637438-04-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,3,7,4,3 and 8 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1637438-04:
(9*1)+(8*6)+(7*3)+(6*7)+(5*4)+(4*3)+(3*8)+(2*0)+(1*4)=180
180 % 10 = 0
So 1637438-04-0 is a valid CAS Registry Number.
1637438-04-0Relevant articles and documents
4-AMINO-6-ARYL[2,3-D]PYRIMIDINES FOR THE INHIBITION OF EGFR TYROSINE KINASE
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Page/Page column 65-66; 69-70, (2015/01/16)
This invention relates to certain new pyrrolo-, thieno-, and furo-[2,3- d]pyrimidine compounds, such as of general formula (I) These compounds are epidermal growth factor receptor tyrosine kinase inhibitors and therefore offer potential in the treatment of cancer.