444723-03-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 444723-03-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,4,7,2 and 3 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 444723-03:
(8*4)+(7*4)+(6*4)+(5*7)+(4*2)+(3*3)+(2*0)+(1*3)=139
139 % 10 = 9
So 444723-03-9 is a valid CAS Registry Number.
444723-03-9Relevant articles and documents
Cyclin dependent kinase inhibiting purine derivatives
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, (2008/06/13)
The present invention relates to a series of CDK-inhibiting purine derivatives of structural formula (I), or a pharmaceutically acceptable salt and/or prodrug form thereof, wherein: X is O, S or CHRX where RX is H or C1-14 /sub
