Welcome to LookChem.com Sign In|Join Free

CAS

  • or

343305-12-4

Post Buying Request

343305-12-4 Suppliers

Recommended suppliersmore

  • Product
  • FOB Price
  • Min.Order
  • Supply Ability
  • Supplier
  • Contact Supplier

343305-12-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 343305-12-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,3,3,0 and 5 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 343305-12:
(8*3)+(7*4)+(6*3)+(5*3)+(4*0)+(3*5)+(2*1)+(1*2)=104
104 % 10 = 4
So 343305-12-4 is a valid CAS Registry Number.

343305-12-4Relevant articles and documents

Phosphodiesterase inhibitors. Part 5: Hybrid PDE3/4 inhibitors as dual bronchorelaxant/anti-inflammatory agents for inhaled administration

Ochiai, Koji,Takita, Satoshi,Kojima, Akihiko,Eiraku, Tomohiko,Iwase, Kazuhiko,Kishi, Tetsuya,Ohinata, Akira,Yageta, Yuichi,Yasue, Tokutaro,Adams, David R.,Kohno, Yasushi

, p. 375 - 381 (2013/02/23)

(-)-6-(7-Methoxy-2-(trifluoromethyl)pyrazolo[1,5-a]pyridin-4-yl) -5-methyl-4,5-dihydropyridazin-3(2H)-one (KCA-1490) exhibits moderate dual PDE3/4-inhibitory activity and promises as a combined bronchodilatory/anti- inflammatory agent. N-alkylation of the pyridazinone ring markedly enhances potency against PDE4 but suppresses PDE3 inhibition. Addition of a 6-aryl-4,5-dihydropyridazin-3(2H)-one extension to the N-alkyl group facilitates both enhancement of PDE4-inhibitory activity and restoration of potent PDE3 inhibition. Both dihydropyridazinone rings, in the core and extension, can be replaced by achiral 4,4-dimethylpyrazolone subunits and the core pyrazolopyridine by isosteric bicyclic heteroaromatics. In combination, these modifications afford potent dual PDE3/4 inhibitors that suppress histamine-induced bronchoconstriction in vivo and exhibit promising anti-inflammatory activity via intratracheal administration.

PYRAZOLONE DERIVATIVE AND PDE INHIBITOR CONTAINING THE SAME AS ACTIVE INGREDIENT

-

Page/Page column 113, (2010/04/25)

It is to provide a novel pyrazolone derivative represented by the following general formula (1), which is useful as a pharmaceutical and has a phosphodiesterase inhibitory action: wherein R1,R2: C1-6 alkyl; R3,R4: H, X, C1-6 alkoxy; Z:O, S; A:AA, BB, wherein AA represents wherein BB represents wherein R5: H, C1-6 alkyl ; R6,R7: C1-6 alkyl.

Post a RFQ

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)

1

What can I do for you?
Get Best Price

Get Best Price for 343305-12-4