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1676088-56-4

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1676088-56-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1676088-56-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,7,6,0,8 and 8 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1676088-56:
(9*1)+(8*6)+(7*7)+(6*6)+(5*0)+(4*8)+(3*8)+(2*5)+(1*6)=214
214 % 10 = 4
So 1676088-56-4 is a valid CAS Registry Number.

1676088-56-4Upstream product

1676088-56-4Relevant articles and documents

2,6-diaryl pyridazinones with immunosuppressant activity

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, (2008/06/13)

A class of 2,6-diarylpyridazinones of general structural formula I have been identified that exhibit exhibit immunosuppressant activity with human T-lymphocytes, and are useful as an immunosuppressants. STR1 or a pharmaceutically acceptable salt, hydrate or crystal form thereof, wherein: when M is S, R1 and R2 are selected from the following combinations: when R2 is 4-chloro, then R1 is 4-OCH3,2 -CH3, 4-Cl, 4-CH3, 3-Cl, 3-CH3, 2-Cl, 4-H, 4-Br, 3-NO2 ; and when R2 is H, then R1 is 4-OCH3, and when M is --SO2 --, then R2 is H and R1 is 4-OCH3. As an immunosuppressant, these compounds are useful in the treatment of autoimmune diseases, the prevention of rejection of foreign organ transplants and/or related afflictions, diseases and illnesses.

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