186519-21-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 186519-21-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,6,5,1 and 9 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 186519-21:
(8*1)+(7*8)+(6*6)+(5*5)+(4*1)+(3*9)+(2*2)+(1*1)=161
161 % 10 = 1
So 186519-21-1 is a valid CAS Registry Number.
186519-21-1Relevant articles and documents
Heterocyclic ring-fused pyrimidine derivatives
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, (2016/01/12)
The present invention relates to heterocyclic ring-fused pyrimidine derivatives of formula (I) or stereoisomers, pharmaceutically acceptable salts or prodrugs thereof, wherein Z and Y are as defined in the specification. Compounds of formula (I) are useful in the treatment of hyperproliferative diseases, such as cancers and acnes, in mammals: