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890023-59-3

890023-59-3

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890023-59-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 890023-59-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,0,0,2 and 3 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 890023-59:
(8*8)+(7*9)+(6*0)+(5*0)+(4*2)+(3*3)+(2*5)+(1*9)=163
163 % 10 = 3
So 890023-59-3 is a valid CAS Registry Number.

890023-59-3Downstream Products

890023-59-3Relevant articles and documents

Synthesis and biological activity of pyrido[3′,2′:4,5]thieno[3, 2-d ]pyrimidines as phosphodiesterase type 4 inhibitors

Taltavull, Joan,Serrat, Jordi,Gràcia, Jordi,Gavaldà, Amadeu,Andrés, Míriam,Córdoba, Mònica,Miralpeix, Montserrat,Vilella, Dolors,Beleta, Jorge,Ryder, Hamish,Pagès, Lluís

experimental part, p. 6912 - 6922 (2010/12/25)

A series of pyrido[3′,2′:4,5]thieno[3,2-d]pyrimidines (PTP) has been synthesized and tested as phosphodiesterase IV inhibitors (PDE4), a target for the treatment of asthma and chronic obstructive pulmonary disease (COPD). Structure-activity relationships

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