227957-04-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 227957-04-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,7,9,5 and 7 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 227957-04:
(8*2)+(7*2)+(6*7)+(5*9)+(4*5)+(3*7)+(2*0)+(1*4)=162
162 % 10 = 2
So 227957-04-2 is a valid CAS Registry Number.
227957-04-2Relevant articles and documents
2, 6-Di-Nitrogen-Containing Substituted Purine Derivative, And Preparation Method, Pharmaceutical Composition And Use Thereof
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, (2016/08/17)
The present invention provides a 2, 6-di-nitrogen-containing substituted purine derivative having a formula (I) structure, or pharmaceutical salt or hydrate thereof, and preparation method and use thereof. The compound is broad spectrum anticancer, low to