ALCAFTADINE
- Product Name
- ALCAFTADINE
- CAS No.
- 147084-10-4
- Chemical Name
- ALCAFTADINE
- Synonyms
- R 89674;caftadine;Lastacaft;ALCAFTADINE;Alcaftadine, >=99%;Alcaftadine (R89674);ALCAFTADINE USP/EP/BP;6,11-Dihydro-11-(1-Methyl-4-piperidinylidene)-5H-iMidazo[2,1-b][3]benzazepine-3-carboxaldehyde;5H-IMidazo[2,1-b][3]benzazepine-3-carboxaldehyde,6,11-dihydro-11-(1-Methyl-4-piperidinylidene)-;12-(1-Methylpiperidin-4-ylidene)-4,6,7,12-tetrahydrobenzo[d]pyriMido[1,2-a]azepine-3-carbaldehyde
- CBNumber
- CB21011726
- Molecular Formula
- C19H21N3O
- Formula Weight
- 307.39
- MOL File
- 147084-10-4.mol
ALCAFTADINE Property
- Melting point:
- 167 °C
- Boiling point:
- 556.2±60.0 °C(Predicted)
- Density
- 1.24
- storage temp.
- Inert atmosphere,Store in freezer, under -20°C
- solubility
- DMF: 30 mg/ml; DMSO: 30 mg/ml; Ethanol: 30 mg/ml; Ethanol:PBS(pH 7.2) (1:1): 0.5 mg/ml
- form
- powder to crystal
- pka
- 8.76±0.20(Predicted)
- color
- White to Yellow to Orange
Safety
- HS Code
- 2933.39.4100
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.
P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P312Call a POISON CENTER or doctor/physician if you feel unwell.
P321Specific treatment (see … on this label).
P332+P313IF SKIN irritation occurs: Get medical advice/attention.
P337+P313IF eye irritation persists: Get medical advice/attention.
P403+P233Store in a well-ventilated place. Keep container tightly closed.
P405Store locked up.
P501Dispose of contents/container to..…
N-Bromosuccinimide Price
- Product number
- A3237
- Product name
- Alcaftadine
- Packaging
- 25MG
- Price
- $158
- Updated
- 2024/03/01
- Product number
- 21290
- Product name
- Alcaftadine
- Purity
- ≥98%
- Packaging
- 10mg
- Price
- $84
- Updated
- 2024/03/01
- Product number
- 21290
- Product name
- Alcaftadine
- Purity
- ≥98%
- Packaging
- 5mg
- Price
- $43
- Updated
- 2023/06/20
- Product number
- 21290
- Product name
- Alcaftadine
- Purity
- ≥98%
- Packaging
- 25mg
- Price
- $172
- Updated
- 2024/03/01
- Product number
- 21290
- Product name
- Alcaftadine
- Purity
- ≥98%
- Packaging
- 50mg
- Price
- $299
- Updated
- 2024/03/01
ALCAFTADINE Chemical Properties,Usage,Production
Description
Alcaftadine, a histamine H1/H2 receptor antagonist, was approved in the United States in 2010 for the prevention of itching and redness associated with allergic conjunctivitis. Seasonal and perennial allergic conjunctivitis affects up to 40% of the population worldwide. There are numerous treatment options, with topical antihistamines being an effective therapy. Some of the primary symptoms and signs of allergic conjunctivitis are ocular itching and conjunctival redness. The pharmaceutical market for conjunctivitis is substantial and steadily increasing.
Originator
Janssen Research Foundation (United States)
Uses
Alcaftadine is a H1 histamine receptor antagonist. Alcaftadine is used to prevent eye irritation and treat the signs and symptoms of allergic conjunctivitis.
Definition
ChEBI: An imidazobenzazepine that is 6,11-dihydro-5H-imidazo[2,1-b][3]benzazepine substituted at position 3 by a formyl group and at position 11 by a 1-methylpiperidin-4-ylidene group. An antihistamine used for treatment of allergi conjunctivitis.
brand name
LastacaftTM
Clinical Use
Alcaftadine, an ophthalmic histamine H1 receptor antagonist, was approved by the FDA for the prevention of itching associated with allergic conjunctivitis and was launched under the trade name Lastacaft in early 2011. Alcaftadine was discovered by Janssen Pharmaceuticals and marketed by Vistakon Pharmaceuticals, both subsidiaries of Johnson & Johnson. However, unlike other marketed drugs, the synthesis of alcaftadine was only mentioned in the patents filed by Janssen’s scientists approximately twenty years ago.
Synthesis
The synthetic route described in the scheme is based on the discovery route disclosed in those patents. 1-(2-Phenylethyl)- 1H-imidazole 7 is now commercially available, otherwise it could be prepared by reacting imidazole (5) with 2-phenylethyl bromide (6). With pyridine and triethylamine as base, imidazole 7 was reacted with acyl chloride 8 to provide piperidinecarboxylate 9 in 34% yield, followed by acid hydrolysis with 48% HBr aqueous solution to obtain piperidine dihydrobromide 10 in 98% yield. The N-methylation of 10 was acheived by Leuckart reaction with formaldehyde and formic acid to give 4-methylpiperidine 11 in 82% yield. Treatment of 11 with trifluoromethanesulfonic acid followed by subsequent basification triggered an intramolecular alkylation¨Cdehydration reaction to generate benzazepine 12. Next, alcohol 13 was obtained by prolonged exposure (7 days) of 12 to hydroxymethylation conditions using 40% aqueous formaldehyde. Oxidation of 13 with manganese (IV) oxide provided alcaftadine (II). The yields of last three steps from compound 11 to alcaftadine (II) were not provided in the patent.
ALCAFTADINE Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from ALCAFTADINE manufacturers
- Product
- ALCAFTADINE 147084-10-4
- Price
- US $1.10/g
- Min. Order
- 1g
- Purity
- 99.0% min
- Supply Ability
- 100 tons min
- Release date
- 2021-05-25
- Product
- ALCAFTADINE 147084-10-4
- 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
- ALCAFTADINE 147084-10-4
- Price
- US $15.00-10.00/KG
- Min. Order
- 1KG
- Purity
- 99%+ HPLC
- Supply Ability
- Monthly supply of 1 ton
- Release date
- 2021-07-09