Antiemetics Dosage
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Ondansetron hydrochloride

Antiemetics Dosage
Product Name
Ondansetron hydrochloride
CAS No.
103639-04-9
Chemical Name
Ondansetron hydrochloride
Synonyms
AKOS NCG1-0013;ondansetron hyd;OndansetronHclUsp28;Ondansetron hydrochl;ODANSETRON HYDROCHLORIDE;Ondansetron hydrochlorid;OndansetronHClmonohydrate;Ondansetron hydrochloride;GR 38032;SN 307;NSC 665799;Ondansetron impurity A CRS
CBNumber
CB4696814
Molecular Formula
C18H22ClN3O2
Formula Weight
347.84
MOL File
103639-04-9.mol
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Ondansetron hydrochloride Property

Melting point:
231-232 C
storage temp. 
-20°C
solubility 
H2O: >5mg/mL
form 
powder
color 
white
InChIKey
FELGMEQIXOGIFQ-ZDUSSCGKSA-N
CAS DataBase Reference
103639-04-9(CAS DataBase Reference)
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Safety

Hazard Codes 
T,Xi
Risk Statements 
25-36/37/38-50/53-41
Safety Statements 
45-37/39-26-61-39
RIDADR 
UN 2811
WGK Germany 
3
RTECS 
FE6375500
HazardClass 
6.1
PackingGroup 
III
HS Code 
2933290000
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H301Toxic if swalloed

H318Causes serious eye damage

H410Very toxic to aquatic life with long lasting effects

Precautionary statements

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
O3639
Product name
Ondansetron hydrochloride dihydrate
Purity
≥98% (HPLC), powder
Packaging
10mg
Price
$177
Updated
2024/03/01
Sigma-Aldrich
Product number
BP808
Product name
Ondansetron hydrochloride dihydrate
Purity
British Pharmacopoeia (BP) Reference Standard
Packaging
100MG
Price
$266
Updated
2024/03/01
Sigma-Aldrich
Product number
1478582
Product name
Ondansetron hydrochloride
Purity
United States Pharmacopeia (USP) Reference Standard
Packaging
300mg
Price
$232.4
Updated
2024/03/01
TCI Chemical
Product number
O0407
Product name
Ondansetron Hydrochloride Dihydrate
Purity
>98.0%(HPLC)(T)
Packaging
1g
Price
$67
Updated
2024/03/01
TCI Chemical
Product number
O0407
Product name
Ondansetron Hydrochloride Dihydrate
Purity
>98.0%(HPLC)(T)
Packaging
5g
Price
$167
Updated
2024/03/01
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Ondansetron hydrochloride Chemical Properties,Usage,Production

Antiemetics

Ondansetron hydrochloride is an antiemetic ondansetron hydrochloride. Its pharmacological effects is similar with ondansetron, and ondansetron hydrochloride is a potent, highly selective 5-HT3 receptor antagonist, which has a strong antiemetic effect of chemotherapy, radiotherapy and post-operative nausea effect, that is better than metoclopramide.
Ondansetron, granisetron, and dolasetron are three common clinical antiemetic. Ondansetron is an effective, reversible and selective serotonin (5-HT3) blocker. It have little effect for α1, α2, β1, β2-adrenergic receptor and the histamine H1, H2 receptor, which have minimal effect on H receptors, central and peripheral dopaminergic receptor antagonistic effect. It can be suppressed by the chemotherapy and radiotherapy-induced nausea and vomiting. Compared with metoclopramide, it has strong antiemetic effect without extrapyramidal reactions. Vomiting induced by cisplatin, cyclophosphamide, doxorubicin, etc. can produce rapid and strong antiemetic effect. Suitable for the treatment of nausea and vomiting, nausea, vomited by the cytotoxic chemotherapy and radiation therapy. It can also prevent and treat nausea and vomit induced by surgically .
Ondansetron, as a transit point in the gastrointestinal tract visceral afferent nerve activation and vomiting center within the spinal cord between the diaphragm and abdominal muscles, makes it happen in abdominal muscles and diaphragm movement. Chemotherapy and radiation therapy can cause intestinal 5-HT to release. It can be caused by 5-HT3 receptor vagus nerve that cause vomiting reflex. This product block this reflex occurs at the same time of blocking the action by the central trigger vomiting. The role of postoperative nausea and vomiting mechanism is unknown. Ondansetronin, in combination with dexamethasone, can enhance the antiemetic effect.

Dosage

Ondansetron hydrochloride is mainly used to control nausea and vomiting after the cytotoxic chemotherapy, adiotherapy and surgery.
For highly emetic chemotherapy: adult can slow static note 8 mg before chemotherapy or static drops, then can be 1 mg per 1 hours drop 24 hours later; it can also slow intravenous infusion interval 4 hours or static drops 8 mg 2 times. After every 8 hours of oral 4mg, once every 5 days. Children aged 4 within 15 min prior to chemotherapy static drop 5 mg/m2, then every 8 hours of oral 4 mg, Ed. 5
Nausea and vomiting caused by the factors of prevention or treatment of surgery:  Adult dose is 4 mg each time, before the induction of anesthesia or symptoms to intramuscular injection or slow static note.
Radiation-induced vomiting: course of treatment can be controlled by the course of radiotherapy, mostly administered orally.
Intravenous injection or intravenous drip, 0.9% sodium chloride, 5% dextrose, compound sodium chloride, 10% mannitol injection as a diluent solvent.

Description

Ondansetron hydrochloride is a selective 5HT3-antagonist approved for the management of nausea and vomiting induced by cancer chemotherapy and radiotherapy. It is reported to have a superior side-effect profile compared with metoclopramide, representing an important advance in the treatment of nausea and vomiting associated with chemotherapy. Ondansetron hydrochloride is the first specific 5HT3-antagonist to reach the market. It is also under investigation for a number of other indications, including anxiety and schizophrenia.

Chemical Properties

White or almost white powder.

Originator

Glaxo (United Kingdom)

Uses

Antiemetic;Serotonergic receptor antagonist

Uses

A serotonin type 3 receptor antagonist.

Uses

These Secondary Standards are qualified as Certified Reference Materials. These are suitable for use in several analytical applications including but not limited to pharma release testing, pharma method development for qualitative and quantitative analyses, food and beverage quality control testing, and other calibration requirements.

Uses

Ondansetron hydrochloride dihydrate has been used as a 5-HT3 antagonist to attenuate rostro ventromedial medulla (RVM)/cholecystokinin (CCK)-induced mechanical hypersensitivity and to block the effects of trichostatin A (TSA) on 5-HT3 protein.

Definition

ChEBI: Ondansetron hydrochloride is a member of carbazoles.

Manufacturing Process

Preparation of 3-ethoxalyl-9-methyl-1,2,3,9-tetrahydro-4H-carbozol-4-one 3.0 g (0.13 mole) of sodium metal are portionwise added to a stirred mixture containing 19.93 g (0.1 mole) of 9-methyl-1,2,3,9-tetrahydro-4H-carbazol-4one, 19.0 g (0.13 mole) of diethyl oxalate, 2 g of ethanol and 200 ml of dioxane. The slightly warming reaction mixture is stirred at 40° to 50°C for 4 hours, then 16 g of glacial acetic acid and finally 200 ml of water are added thereto at room temperature. After filtering off the yellow crystalline suspension, the precipitate is washed with water and dried to give the title compound in a yield of 24 g (80.2%), m.p. 118°-120°C
Preparation of 3-hydroxymethyl-9-methyl-1,2,3,9-tetrahydro-4H-carbazol-4one-3-glyoxylic acid lacton
After adding 0.1 g of triethylamine to a stirred suspension containing 3.00 g (0.01 mole) of the 3-ethoxalyl-9-methyl-1,2,3,9-tetrahydro-4H-carbazol-4 2512 one, in 20 ml of acetone, 1.13 g (0.015 mole) of formol solution are dropwise added to the mixture. The suspension becomes clear within 1 to 2 minutes and crystals begin to precipitate. After further stirring at 35° to 40°C for one hour, the reaction mixture is cooled down to room temperature, filtered off, the precipitate is washed with 50% acetone and dried to give 2.10 g (74.2%) of the title compound, m.p. 242°-244°C.
Preparation of ondansetron base (chemically 9-methyl-3-[(2-methyl-1-Himidazol-1-yl)methyl]-1,2,3,9-tetrahidro-4-H-carbazol-4-one)
A mixture containing 2.83 g (0.01 mole) of 3-hydroxymethyl-9-methyl-2,3,9tetrahydro-4H-carbazol-4-one-3-glyoxylic acid lactone, 15 ml of dioxane, 1.32 g of triethylamine, 1.0 g of ethanol and 1.64 g (0.02 mole) of 2methylimidazole is boiled under reflux while stirring for 5 hours. Thereafter, the reaction mixture is diluted with 45 ml of water and cooled down. The precipitate is filtered off, washed with aqueous dioxane and dried to obtain 2.56 g (87.3%) of the title compound, m.p. 220°-223°C.
Preparation of 9-methyl-3-[(2-methyl-1-H-imidazol-1-yl)methyl]-1,2,3,9tetrahydro-4H-carbazol-4-one hydrochloride dihydrate The process above described is followed, except that after cooling down the reaction mixture to room temperature after boiling, 20 ml of 37% aqueous hydrochloric acid are added thereto. Then, the precipitate is filtered off, washed with isopropanol and dried to obtain 2.40 g (65.6%) of the title salt, m.p. 178°-180°C. The active agent content of the product was found to be 100.3% based on potentiometric titration with sodium hydroxide solution. The theoretical water content is 9.85% (calculated for C18H19N3OHCl2H2O).The water content measured is 10.03%.

brand name

Zofran (GlaxoSmithKline);Zophran.

Therapeutic Function

Serotonin antagonist

General Description

Ondansetron Hydrochloride acts as a 5HT3 (serotonin) antagonist and is a powerful antiemetic drug. It is widely used for the prevention and treatment of nausea and vomiting related to post-operative states, cancer chemotherapy and radiotherapy, and chronic medical illness. It has been found to exhibit inconsistent bioavailability resulting from its poor aqueous solubility and high first-pass hepatic metabolism.
Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.

Biological Activity

Selective 5-HT 3 receptor antagonist (K i = 6.16 nM). Antiemetic; prevents emesis induced by cytotoxic drugs and radiation.

Biochem/physiol Actions

5-HT3 serotonin receptor antagonist

storage

Room temperature

Ondansetron hydrochloride Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from Ondansetron hydrochloride manufacturers

Sinoway Industrial co., ltd.
Product
Ondansetron Hcl 103639-04-9
Price
US $0.00/Kg/Bag
Min. Order
2Kg/Bag
Purity
99% up, High Density
Supply Ability
20 tons
Release date
2022-08-09
WUHAN FORTUNA CHEMICAL CO., LTD
Product
Ondansetron hydrochloride 103639-04-9
Price
US $0.00/Kg/Bag
Min. Order
1KG
Purity
98.0%~102.0%; USP38
Supply Ability
1500kg/month
Release date
2021-06-11
BEIJING SJAR TECHNOLOGY DEVELOPMENT CO., LTD.
Product
Ondansetron Hydrochloride 103639-04-9
Price
US $0.00/g
Min. Order
1g
Purity
More Than 99%
Supply Ability
50kg/Month
Release date
2024-09-19

103639-04-9, Ondansetron hydrochlorideRelated Search:

Cetirizine dihydrochloride Topotecan hydrochloride Thiophanate-methyl 1-Methylimidazole Kresoxim-methyl Methyl acetate ONDANSETRON HYDROCHLORIDE DIHYDRATE METSULFURON METHYL Tetramethylammonium hydroxide pentahydrate 1-AdaMantanethylaMine Methylhexahydrophthalic anhydride Methyl salicylate Imidazole Tribenuron methyl Methyl Ondansetron EP Impurity G 1,2,3,4-Tetrahydro-9-methylcarbazol-4-one 3-[(Dimethylamino)methyl]-9-methyl-1,2,3,9-tetrahydro-4H-carbazol-4-one

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  • Ondansetron dihydrate hydrochloride
  • Ondansetron hydrochl
  • (3S)-9-Methyl-3-[(2-Methyl-1H-iMidazol-1-yl)Methyl]-2,3,4,9-tetrahydro-1H-carbazol-4-one
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  • Ondansetron Hydrocloride 9-methyl-3-((2-methyl-1H-imidazol-1-yl)methyl)-1,2,3,9- tetrahydro-4H-carbazol-4-one hydrochloride dihydrate
  • Ondansetron Hydrochloride USP/IP/EP
  • 103639-04-9
  • 116002-7-1
  • C18H19N3OClH2H2O
  • Other APIs
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  • 103639-04-9