Ramatroban
- Product Name
- Ramatroban
- CAS No.
- 116649-85-5
- Chemical Name
- Ramatroban
- Synonyms
- Baynas;CS-1350;BAY-U3405;RAMATROBAN;RaMantroban;Ray ma music class;BAY U3405; BAY-U3405;RaMatroban(BAY-u3405);Ramatroban for research;RAFFINOSE UNDECAACETATE, D-(+)-(RG)
- CBNumber
- CB5735921
- Molecular Formula
- C21H21FN2O4S
- Formula Weight
- 416.47
- MOL File
- 116649-85-5.mol
Ramatroban Property
- Melting point:
- 134-135°
- alpha
- D +70.1° (c = 1.0 in methanol)
- Boiling point:
- 654.7±65.0 °C(Predicted)
- Density
- 1.43±0.1 g/cm3(Predicted)
- storage temp.
- Sealed in dry,2-8°C
- solubility
- DMSO: ≥40mg/mL
- form
- solid
- pka
- 4.60±0.10(Predicted)
- color
- white
- CAS DataBase Reference
- 116649-85-5(CAS DataBase Reference)
Safety
- Hazard Codes
- Xi
- Risk Statements
- 36/37/38
- Safety Statements
- 26-36/37/39-45
- WGK Germany
- 1
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
- Precautionary statements
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P271Use only outdoors or in a well-ventilated area.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
N-Bromosuccinimide Price
- Product number
- R0531
- Product name
- Ramatroban
- Purity
- ≥98% (HPLC), solid
- Packaging
- 5mg
- Price
- $193
- Updated
- 2024/03/01
- Product number
- R0531
- Product name
- Ramatroban
- Purity
- ≥98% (HPLC), solid
- Packaging
- 25mg
- Price
- $728
- Updated
- 2024/03/01
- Product number
- 10156
- Product name
- BAY-u3405
- Purity
- ≥98%
- Packaging
- 1mg
- Price
- $32
- Updated
- 2024/03/01
- Product number
- 10156
- Product name
- BAY-u3405
- Purity
- ≥98%
- Packaging
- 5mg
- Price
- $96
- Updated
- 2024/03/01
- Product number
- 10156
- Product name
- BAY-u3405
- Purity
- ≥98%
- Packaging
- 10mg
- Price
- $166
- Updated
- 2024/03/01
Ramatroban Chemical Properties,Usage,Production
Description
Ramatroban, originally developed for the treatment of cardiovascular pathologies as thromboembolism, was finally introduced in Japan for the treatment of allergic rhinitis. It is a (3R)-enantiomer that can be synthesized in 5 steps from 3-oxo-1,2,3,4- tetrahydrocarbazole by stereoselective reductive amination, using S-phenethylamine as the chiral source, followed by hydrogenolysis, sulfonylation and finally 2-step Ncarboxyethylation. Ramatroban is a potent antagonist of prostaglandin receptors (PGD2, PGH2) and thromboxane receptors (TxA2); accordingly, it blocks the contractions induced by thromboxane or TxA2-mimetics in animal and human airway smooth muscle. It also prevents, when administered i.v., p.o. or by aerosol, bronchoconstriction induced by PGD2 or antigen. In animal models of nasal allergy, ramatroban inhibits antigen-induced neutrophil infiltration into nasal mucosa and also inhibits nasal symptoms. In several species including humans, it is well-absorbed, extensively protein-bound (>95%) and eliminated mainly as a glucuro-conjugate; in man, its terminal half-life is 2 to 3 hours.
Chemical Properties
WHite to Off-White Solid
Originator
Bayer (Germany)
Uses
A thromboxane receptor antagonist for use in the treatment of coronary artery disease.
Definition
ChEBI: Ramatroban is an organic molecular entity.
brand name
Baynas
Biological Activity
Potent dual antagonist of TP/DP 2 (CRTH2) prostanoid receptors (K i values are 4.3, 4.5 and > 10000 nM for hDP 2 , hTP and hDP 1 receptors respectively). Suppresses PGD 2 -induced migration of human eosinophils (IC 50 = 170 nM).
in vitro
bay u3405 showed significant inhibitory effects on the binding of 3h-labeled pgd2 to crth2, albeit with much lower potency. bay u3405 and indomethacin also inhibited pgd2-induced ca2+ mobilization in crth2 transfectants to almost the same extent. however, indomethacin but not bay u3405 was confirmed as an agonist of ca2+ mobilization at concentrations greater than 10 nm [1].
in vivo
for rat with splanchnic artery occlusion shock, administration of bay u3405 at 30 mg/kg i.v. could significantly increase the survival time and survival rate, improve mean arterial blood pressure, reduce the plasma levels of myocardial depressant factor, partially restore macrophage phagocytosis and lower mpo activity in both the ileum and the lung [2].
IC 50
100-170 nm
storage
Desiccate at -20°C
References
[1] sugimoto, h. ,shichijo, m.,iino, t., et al. an orally bioavailable small molecule antagonist of crth2, ramatroban (bay u3405), inhibits prostaglandin d2-induced eosinophil migration in vitro. journal of pharmacology and experimental therapeutics 305, 347-352 (2003).
[2] canale p, squadrito f, altavilla d, ioculano m, campo gm, squadrito g, urna g, sardella a, caputi ap. beneficial effects of bay u3405, a novel thromboxane a2 receptor antagonist, in splanchnic artery occlusion shock. pharmacology. 1994 dec;49(6):376-85.
[3] aizawa h, shigyo m, nogami h, hirose t, hara n. bay u3405, a thromboxane a2 antagonist, reduces bronchial hyperresponsiveness in asthmatics. chest. 1996 feb;109(2):338-42.
Ramatroban Preparation Products And Raw materials
Raw materials
Preparation Products
Ramatroban Suppliers
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- 1-(800)-881-8210
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View Lastest Price from Ramatroban manufacturers
- Product
- Ramatroban 116649-85-5
- Price
- US $300.00/g
- Min. Order
- 1g
- Purity
- 98%
- Supply Ability
- 100TONS
- Release date
- 2021-06-08
- Product
- Ramatroban 116649-85-5
- Price
- US $15.00-10.00/KG
- Min. Order
- 1KG
- Purity
- 99%+ HPLC
- Supply Ability
- Monthly supply of 1 ton
- Release date
- 2021-07-10
- Product
- Ramatroban 116649-85-5
- Price
- US $15.00-10.00/KG
- Min. Order
- 1KG
- Purity
- 99%+ HPLC
- Supply Ability
- Monthly supply of 1 ton
- Release date
- 2021-07-08