857280-01-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857280-01-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,2,8 and 0 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 857280-01:
(8*8)+(7*5)+(6*7)+(5*2)+(4*8)+(3*0)+(2*0)+(1*1)=184
184 % 10 = 4
So 857280-01-4 is a valid CAS Registry Number.
857280-01-4Relevant articles and documents
6,7-DIHYDRO-5H-PYRAZOLO[5,1-B][1,3]OXAZINE-2-CARBOXAMIDE COMPOUNDS
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, (2017/09/09)
The present invention is directed to PDE4B inhibitors of Formula I: (I) or a pharmaceutically acceptable salt thereof, wherein the substituents R1, R2, R 3, and R 4are as defined herein. The invention is also di
