934995-88-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 934995-88-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,4,9,9 and 5 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 934995-88:
(8*9)+(7*3)+(6*4)+(5*9)+(4*9)+(3*5)+(2*8)+(1*8)=237
237 % 10 = 7
So 934995-88-7 is a valid CAS Registry Number.
934995-88-7Relevant articles and documents
4-Oxo-1-3-Substituted Phenyl-1,4-Dihydro-1,8-Napthyridene-3-Carboxamide Phosphodiesterase-4 Inhibitor and a Method of Preparing Same
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Page/Page column 16, (2009/05/29)
The invention is directed to a compound of the structural formula (22) (22) crystal form of structural formulae (21) and its free acid, pharmaceutical compositions comprising these compounds and methods of preparing and using these compounds.