N 556
N 556 Basic information
- Product Name:
- N 556
- Synonyms:
-
- N 556
- 5,5'-[[2-(Lysyloxy)propane-1,3-diyl]bisoxy]bis[4-oxo-4H-1-benzopyran-2-carboxylic acid ethyl]·2hydrochloride
- KY-556
- KY556,KY 556
- CAS:
- 110816-78-9
- MF:
- C33H36N2O12.2ClH
- MW:
- 725.571
- Mol File:
- 110816-78-9.mol
N 556 Chemical Properties
- Melting point:
- 225-228 °C
- storage temp.
- Store at -20°C
- solubility
- Soluble in DMSO
- form
- Solid
- color
- White to off-white
N 556 Usage And Synthesis
Uses
KY-556 is a promising and orally-active pro-agent of disodium cromoglycate (DSCG) against allergic diseases.
in vivo
The oral anti-allergic effect of KY-556 (N-556) is investigated. N-556 (10-100 mg/kg, p.o.) inhibits dose-dependently the 48-hr homologous passive cutaneous anaphylaxis (PCA) in rats, and the duration of action is longer than that of intravenous Disodium cromoglycate (DSCG). N-556 (20 and 100 mg/kg once a day for 20 consecutive days, p.o.) tends to inhibit the histamine release from actively sensitized rat lung fragments. N-556 (100 mg/kg, p.o.) shows the prolongation of survival time in the rat systemic anaphylaxis. N-556 (100 mg/kg, p.o.) significantly inhibits the increased airway resistance in experimental asthma in rats[1].
References
[1] Nakamura S, et al. Effects of N-556 on experimental allergy models in rats. Arerugi. 1990 Dec;39(12):1621-8. PMID:2096808
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N 556(110816-78-9)Related Product Information
- 2,2’-(1,3-Propanediyldioxy)bisbenzaldehyde
- 5-HYDROXY-4-OXO-4H-CHROMENE-2-CARBOXYLIC ACID
- 1-[2-(2-ETHOXYETHOXY)-6-HYDROXYPHENYL]ETHAN-1-ONE
- ETHYL 5-METHOXY-4-OXO-1,4-DIHYDRONAPHTHALENE-2-CARBOXYLATE
- methyl DL-lysinate dihydrochloride
- o-Tolyl-alpha-myanesin
- Methyl L-lysinate dihydrochloride
- Diethyl cromoglycate
- ETHYL 2,6-DIAMINOHEXANOATE DIHYDROCHLORIDE
- Ethyl 2,6-diaminohexanoate dihydrochloride
- N 556
- ethyl 4-oxo-4H-1-benzopyran-2-carboxylate
- ethyl L-lysinate monohydrochloride
- Cromoglicic acid