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BENDROFLUMETHIAZIDE

Product Name
BENDROFLUMETHIAZIDE
CAS No.
73-48-3
Chemical Name
BENDROFLUMETHIAZIDE
Synonyms
ft8;bhft;ft81;relan;urlea;blh368;centyl;nikion;orsile;pluryl
CBNumber
CB3233276
Molecular Formula
C15H14F3N3O4S2
Formula Weight
421.41
MOL File
73-48-3.mol
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BENDROFLUMETHIAZIDE Property

Melting point:
205-207°C
Boiling point:
602.1±65.0 °C(Predicted)
Density 
1.4711 (estimate)
storage temp. 
Refrigerator
solubility 
Practically insoluble in water, freely soluble in acetone, soluble in ethanol (96 per cent).
pka
pKa 8.53±0.05(H2O t=25 I=0.2) (Uncertain)
form 
Solid
color 
Crystals from MeOH/CHCl3
Water Solubility 
40mg/L(room temperature)
EPA Substance Registry System
2H-1,2,4-Benzothiadiazine-7-sulfonamide, 3,4-dihydro-3-(phenylmethyl)-6-(trifluoromethyl)-, 1,1-dioxide (73-48-3)
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Safety

WGK Germany 
2
RTECS 
DK8225000
HS Code 
2935904000
Hazardous Substances Data
73-48-3(Hazardous Substances Data)
Toxicity
LD50 oral in mouse: > 10gm/kg
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H332Harmful if inhaled

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P271Use only outdoors or in a well-ventilated area.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P312Call a POISON CENTER or doctor/physician if you feel unwell.

P330Rinse mouth.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
BP967
Product name
Bendroflumethiazide
Purity
British Pharmacopoeia (BP) Reference Standard
Packaging
100MG
Price
$233
Updated
2024/03/01
Sigma-Aldrich
Product number
B5775
Product name
Bendroflumethiazide
Purity
analytical standard
Packaging
1g
Price
$58.5
Updated
2024/03/01
Sigma-Aldrich
Product number
1049000
Product name
Bendroflumethiazide
Purity
United States Pharmacopeia (USP) Reference Standard
Packaging
200mg
Price
$436
Updated
2024/03/01
Cayman Chemical
Product number
21311
Product name
Bendroflumethiazide
Purity
≥98%
Packaging
1mg
Price
$44
Updated
2024/03/01
Cayman Chemical
Product number
21311
Product name
Bendroflumethiazide
Purity
≥98%
Packaging
5mg
Price
$109
Updated
2024/03/01
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BENDROFLUMETHIAZIDE Chemical Properties,Usage,Production

Description

Bendroflumethiazide (Item No. 21311) is an analytical reference standard categorized as a diuretic. Diuretics, including bendroflumethiazide, have been abused as performance-enhancing drugs and masking agents in sports doping. This product is intended for research and forensic applications.

Chemical Properties

White Solid

Originator

Naturetin,Squibb,US,1959

Uses

Bendroflumethiazide may be used for the same indications as the aforementioned drugs; however, it is primarily used as an adjuvant agent for relieving edema associated with cardiac insufficiency, liver cirrhosis, and edema caused by taking corticosteroids.

Uses

expectorant

Uses

Diuretic; antihypertensive.

Definition

ChEBI: A sulfonamide consisting of 7-sulfamoyl-3,4-dihydro-2H-1,2,4-benzothiadiazine 1,1-dioxide in which the hydrogen at position 6 is substituted by a trifluoromethyl group and that at position 3 is substituted by a benzyl group.

Manufacturing Process

The process is described in US Patent 3,392,168 as follows:
(A) Preparation of 5-Trifluoromethylaniline-2,4-Disulfonylchloride - 113 ml of chlorosulfonic acid is cooled in an ice bath, and to the acid is added dropwise while stirring 26.6 grams of α,α,α-trifluoro-m-toluidine. 105 grams of sodium chloride is added during 1-2 hours, where after the temperature of the reaction mixture is raised slowly to 150° - 160°C which temperature is maintained for three hours. After cooling the mixture, ice-cooled water is added, whereby 5-trifluoromethylaniline-2,4-disulfonyl chloride separates out from the mixture.
(B) Preparation of 5-Trifluoromethyl-2,4-Disulfamylaniline - The 5- trifluoromethylaniline-2,4-disulfonyl chloride obtained in step (A) is taken up in ether and the ether solution dried with magnesium sulfate. The ether is removed from the solution by distillation, the residue is cooled to 0°, and 60 ml of ice-cooled, concentrated ammonia water is added while stirring. The solution is then heated for one hour on a steam bath and evaporated in vacuo to crystallization. The crystallized product is 5-trifluoromethyl-2,4- disulfamylaniline, which is filtered off, washed with water and dried in a vacuum-desiccator over phosphorus pentoxide. After recrystallization from a mixture of 30% ethanol and 70% water, the compound has a MP of 247°- 248°C.
(C) Preparation of 3-Benzyl-6-Trifluoromethyl-7-Sulfarnyl-3,4-Dihydro-1,2,4- Benzothiadiazine-1,1-Dioxide - 6.4 grams of 5-trifluoromethyl-2,4- disulfamylaniline is dissolved in 12 ml of dioxane, 2.7 ml of phenylacetaldehyde and a catalytic amount of p-toluenesulfonic acid are added. After boiling for a short time under reflux, the reaction mixture crystallizes, and, after filtration and recrystallization from dioxane, the desired product is obtained with a MP of 224.5°-225.5°C.
(D) Alternative to (C) - 9.6 grams of 5-trifluoromethyl-2,4-disulfarnylaniline and 4.9 grams of ω-ethoxystyrene are dissolved in 35 ml of n-butanol. 0.5 grams of p-toluenesulfonic acid is added, and the mixture is heated on a steam bath while stirring. When the solution is clear, 55 ml of hexane is added, whereafter the mixture is heated further for one and a half hours. After cooling, the substance identical to that of Example (C) is filtered off and has a MP of 222°-223°C.
Sterile compositions containing Bendroflumethiazide for parenteral administration may be prepared as described in US Patent 3,265,573.

brand name

Naturetin (Apothecon).

Therapeutic Function

Diuretic, Antihypertensive

Clinical Use

Thiazide diuretic:

Hypertension

Oedema

Safety Profile

Poison by intravenous route.Human systemic effects by ingestion: convulsions andsomnolence. Mutation data reported. When heated todecomposition it emits toxic fumes of F-, SOx, and NOx.

Synthesis

Bendroflumethiazide, 1,1-dioxide 3-benzyl-6-(trifluoromethyl)- 3,4-dihydro-2H-1,2,4-benzothiadiazin-7-sulfonamide (21.3.6), is synthesized by the same scheme of making the aforementioned drugs using phenylacetaldehyde or its acetale as a carbonyl component, and using 2,4-disulfonamido-5-trifluoromethylaniline (21.3.5) as an o-aminosulfonamide component.

Drug interactions

Potentially hazardous interactions with other drugs
Analgesics: increased risk of nephrotoxicity with NSAIDs; antagonism of diuretic effect.
Anti-arrhythmics: hypokalaemia leads to increased cardiac toxicity; effects of lidocaine and mexiletine antagonised.
Antibacterials: avoid administration with lymecycline.
Antidepressants: increased risk of hypokalaemia with reboxetine; enhanced hypotensive effect with MAOIs; increased risk of postural hypotension with tricyclics.
Antiepileptics: increased risk of hyponatraemia with carbamazepine.
Antifungals: increased risk of hypokalaemia with amphotericin.
Antihypertensives: enhanced hypotensive effect; increased risk of first dose hypotension with postsynaptic alpha-blockers like prazosin; hypokalaemia increases risk of ventricular arrhythmias with sotalol.
Antipsychotics: hypokalaemia increases risk of ventricular arrhythmias with amisulpride; enhanced hypotensive effect with phenothiazines; hypokalaemia increases risk of ventricular arrhythmias with pimozide - avoid.
Atomoxetine: hypokalaemia increases risk of ventricular arrhythmias.
Cardiac glycosides: increased toxicity if hypokalaemia occurs.
Ciclosporin: increased risk of nephrotoxicity and hypomagnesaemia. Cytotoxics: increased risk of ventricular arrhythmias due to hypokalaemia with arsenic trioxide; increased risk of nephrotoxicity and ototoxicity with platinum compounds. Lithium excretion reduced, increased toxicity.

Metabolism

There are indications that bendroflumethiazide is fairly extensively metabolised. About 30% is excreted unchanged in the urine with the remainder excreted as uncharacterised metabolites.

BENDROFLUMETHIAZIDE Preparation Products And Raw materials

Raw materials

Preparation Products

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BENDROFLUMETHIAZIDE Suppliers

Aladdin Scientific
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View Lastest Price from BENDROFLUMETHIAZIDE manufacturers

Anhui Ruihan Technology Co., Ltd
Product
BENDROFLUMETHIAZIDE 73-48-3
Price
US $80.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
10000tons
Release date
2023-09-11
Career Henan Chemical Co
Product
BENDROFLUMETHIAZIDE 73-48-3
Price
US $7.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
100kg
Release date
2018-12-21

73-48-3, BENDROFLUMETHIAZIDERelated Search:


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