728015-44-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 728015-44-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,8,0,1 and 5 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 728015-44:
(8*7)+(7*2)+(6*8)+(5*0)+(4*1)+(3*5)+(2*4)+(1*4)=149
149 % 10 = 9
So 728015-44-9 is a valid CAS Registry Number.
728015-44-9Relevant articles and documents
PYRROLOPYRIDAZINE DERIVATIVES
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Page 153-154, (2008/06/13)
The invention relates to compound of the formula (I) or its salt, in which R1, R2, R3 and R4 are as defined in the description, their use of as medicament, the process for their preparation and use for the treatment of PDE-IV or TNF-α mediated diseases.
