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380227-23-6

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380227-23-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 380227-23-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,0,2,2 and 7 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 380227-23:
(8*3)+(7*8)+(6*0)+(5*2)+(4*2)+(3*7)+(2*2)+(1*3)=126
126 % 10 = 6
So 380227-23-6 is a valid CAS Registry Number.

380227-23-6Relevant articles and documents

Novel selective phosphodiesterase (PDE4) inhibitors. 4. Resolution, absolute configuration, and PDE4 inhibitory activity of cis-tetra- and cis-hexahydrophthalazinones

Van der Mey, Margaretha,Boss, Hildegard,Couwenberg, Dennis,Hatzelmann, Armin,Sterk, Geert J.,Goubitz, Kees,Schenk, Henk,Timmerman, Hendrik

, p. 2526 - 2533 (2002)

Recently, we reported that 4-catechol-substituted cis-(±)-4a,5,6,7,8,8a-hexa- and cis-(±)- 4a,5,8,8a-tetrahydro-2H-phthalazin-1-ones show potent inhibition of phosphodiesterase (PDE4) activity, while the corresponding trans racemic mixtures exhibit only w

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