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    Hydrochlorothiazide

    description Chemical Properties mechanism of action Pharmacokinetics Indications Dosage Side effects Drug Interaction Uses Production method
    Hydrochlorothiazide
    Hydrochlorothiazide structure
    CAS No.
    58-93-5
    Chemical Name:
    Hydrochlorothiazide
    Synonyms
    HCZ;HCTZ;Ziac;Zide;Nefrix;Oretic;roxane;su5879;Bremil;Cidrex
    CBNumber:
    CB5383966
    Molecular Formula:
    C7H8ClN3O4S2
    Formula Weight:
    297.74
    MOL File:
    58-93-5.mol

    Hydrochlorothiazide Properties

    Melting point:
    273 °C
    Boiling point:
    577.0±60.0 °C(Predicted)
    Density 
    1.6761 (rough estimate)
    refractive index 
    1.6100 (estimate)
    Flash point:
    9℃
    storage temp. 
    2-8°C
    solubility 
    Very slightly soluble in water, soluble in acetone, sparingly soluble in ethanol (96 per cent). It dissolves in dilute solutions of alkali hydroxides
    form 
    solid
    pka
    7.9, 9.2(at 25℃)
    Water Solubility 
    722mg/L(25 ºC)
    λmax
    318nm(H2O)(lit.)
    Merck 
    14,4781
    BRN 
    625101
    Stability:
    Stable. Incompatible with strong oxidizing agents.
    InChIKey
    JZUFKLXOESDKRF-UHFFFAOYSA-N
    CAS DataBase Reference
    58-93-5(CAS DataBase Reference)
    EWG's Food Scores
    1
    FDA UNII
    0J48LPH2TH
    IARC
    2B (Vol. 50, 108) 2016
    NCI Drug Dictionary
    hydrochlorothiazide
    NIST Chemistry Reference
    6-Chloro-7-sulfamyl-3,4-dihydro-1,2,4-benzothiadiazine-1,1-dioxide(58-93-5)
    EPA Substance Registry System
    Hydrochlorothiazide (58-93-5)
    SAFETY
    • Risk and Safety Statements
    Symbol(GHS) 
    GHS02,GHS06,GHS08,GHS07
    Signal word  Danger
    Hazard statements  H225-H301+H311+H331-H370-H302-H303
    Precautionary statements  P210-P260-P280-P301+P310-P311-P301+P312+P330
    Hazard Codes  Xi,T,F,Xn
    Risk Statements  22-42/43-36/38-23/25-36/37/38-39/23/24/25-23/24/25-11
    Safety Statements  22-24-36/37-45-33-16-7-36/37/39-27-26
    RIDADR  UN 1230 3/PG 2
    WGK Germany  2
    RTECS  DK9100000
    Hazard Note  Irritant
    TSCA  Yes
    HS Code  29350090
    Toxicity LD50 in mice (mg/kg): 590 i.v.; >8000 orally (Piala)
    NFPA 704
    1
    2 0

    Hydrochlorothiazide price More Price(19)

    Manufacturer Product number Product description CAS number Packaging Price Updated Buy
    Sigma-Aldrich H-001 Hydrochlorothiazide solution 1.0 mg/mL in methanol, ampule of 1 mL, certified reference material 58-93-5 001-1ml $55 2020-08-18 Buy
    Sigma-Aldrich H-001 Hydrochlorothiazide solution 1.0?mg/mL in methanol, ampule of 1?mL, certified reference material, Cerilliant? 58-93-5 1 mL $56.8 2021-03-22 Buy
    Sigma-Aldrich Y0001494 Hydrochlorothiazide for peak identification European Pharmacopoeia (EP) Reference Standard 58-93-5 $190 2021-03-22 Buy
    Sigma-Aldrich H1200000 Hydrochlorothiazide European Pharmacopoeia (EP) Reference Standard 58-93-5 $190 2021-03-22 Buy
    Sigma-Aldrich 1314009 Hydrochlorothiazide United States Pharmacopeia (USP) Reference Standard 58-93-5 200mg $366 2021-03-22 Buy

    Hydrochlorothiazide Chemical Properties,Uses,Production

    description

    Hydrochlorothiazide is a kind of thiazide diuretic drugs with moderate diuretic effect. It exert is diuretic effect through acting on the medullary ascending limb cortical segment, inhibiting the active re-absorption of Cl-and passive absorption of Na+ at this site. In addition, the product also has a hypotensive effect and anti-diuretic effect. It is suitable for treating a variety of edema, particularly for cardiogenic edema. It can also be used as antihypertensive agents, for treatment light, medium hypertension. It also has certain efficacy in treating diabetes insipidus, and idiopathic hypercalciuria. Commonly used thiazide diuretics include hydrochlorothiazide, chlorthalidone, indapamide and the like.

    Chemical Properties

    It is a white crystalline powder and is odorless with slightly bitter taste. It is insoluble in chloroform and water but soluble in acetone, slightly soluble in ethanol, soluble in sodium hydroxide solution but being susceptible to hydrolysis.
    the structure formula of hydrochlorothiazide
    Figure 1 is the structure formula of hydrochlorothiazide

    mechanism of action

    1. Natriuretic effect: This product mainly inhibits the re-absorption of Na+, Cl-of distal tubule anterior part and proximal tubules (mild effect), and increasing urinary sodium, potassium, chlorine, phosphorus and magnesium ion excretion, and reducing urinary calcium excretion.
    2. Antihypertensive effect: it has a moderate and precise antihypertensive effect and can reduce both the orthostatic, supine systolic and diastolic pressure and also enhance the hypotensive effect of other antihypertensive drugs.
    3. Anti-diuretic effect: This product can reduce the amount of urine in nephrogenic diabetes insipidus, sometimes by 50% with the specific mechanism of action remaining unknown.

    Pharmacokinetics

    It has rapid but incomplete oral absorption with heaving meal being able to increase the absorbed amount, which may be related with the prolonged residence time of drug in the small intestine. This product can partially bind to the plasma protein with the other part getting into the red blood cells. It takes effect at 2h after oral administration with the peak reaching in 4h. It duration time is 6~12h. It is mainly secreted in the prototype through the urinary excretion with the half-life (t1/2) being 15h and the t1/2 being extended in renal dysfunction.
    The above information is edited by the chemicalbook of Dai Xiongfeng.

    Indications

    1. Edema disease: including congestive heart failure, cirrhosis, nephrotic syndrome, acute and chronic nephritis edema, chronic renal failure early, adrenocorticotropic hormone and estrogen therapy caused retention of sodium and water.
    2. High blood pressure: it can be used alone or in combination with other antihypertensive drugs. It is mainly used for the treatment of essential hypertension.
    3. Central or nephrogenic diabetes insipidus.
    4. Kidney stone disease: it is mainly used for the prevention of calcium stone formation.

    Dosage

    Oral ordinary tablet: the efficacy onset of oral administration is in 2h with plasma concentration reaching peak at 4 hour and the effect lasting for 6~12h.
    Adults: (1) for the treatment of edema disease, a 25~50mg, qd or bid, or qod; or take drug 3~5d weekly with a interval of 3~4d. (2) For the treatment of hypertension with the dose of 25 to 100 mg per day and divided into 1-2 times for administration. It needs to be used in combination with other antihypertensive drugs and should be subject to dose adjustment according to the actual antihypertensive effect. The dose is usually reduced to 25 to 50 mg per day within one week. (3) for the treatment of diabetes insipidus, take 25mg once tid, or 50 mg once, qd.
    Children: treatment of edema disease, take 1~2mg/kg per day and divided 1-2 times for administration. Adjust the dose according to the actual efficacy.

    Side effects

    Most adverse events are related to the dose and duration.
    1. Water, electrolyte imbalance caused adverse reactions are the more common: hypokalemia is prone to occur and is related to the potassium excretion effect of thiazide diuretics. Long-term potassium deficiency can damage tubular with serious loss of potassium being able to cause vacuolar changes in the renal tubular epithelial and severe tachyarrhythmias and other ectopic rhythm. Thiazide class, especially hydrochlorothiazide can often significantly increases the excretion of chloride, causing low chlorine alkalosis or low chlorine, potassium alkalosis. In addition, hyponatremia is also not rare, causing central nervous system symptoms and aggravate kidney damage. Dehydration causes blood volume and renal blood flow reduction and can also cause reduced glomerular filtration rate. The common clinical manifestations of water, electrolyte imbalance include dry mouth, thirst, muscle cramps, nausea, vomiting and extreme fatigue, weakness and so on.
    2. Hyperglycemia: It can make impaired glucose tolerance, elevated blood sugar, may be associated with inhibition of insulin release.
    3. Hyperuricemia: it can interfere with renal tubular excretion of uric acid with a few being able to cause gout attacks. Usually it doesn’t cause joint pain, so hyperuricemia is easily overlooked.
    4. Allergy: such as rash, urticaria; relatively rare.
    5. Leukopenia or deficiency, and thrombocytopenic purpura, also rare.
    6. Rare cholecystitis, pancreatitis, sexual dysfunction, light sensitivity, and color vision disorders.

    Drug Interaction

    1. Adrenocorticotropic hormone, corticotropin, estrogens, amphotericin B (intravenous administration), can reduce the diuretic effect of this product and increase the chance of electrolyte imbalance, particularly hypokalemia.
    2. Non-steroidal anti-inflammatory analgesic drugs, especially indomethacin, can reduce the diuretic effect of this product which is related with the former’s inhibition of prostaglandin synthesis.
    3. Upon combination with the sympathomimetic amine drugs, its diuretic effect weakened.
    4. Cholestyramine (cholestyramine) can reduce the gastrointestinal absorption of this product. Therefore, it should be taken orally at 1 h before or 4 h after taking the former drug.
    5. In combination with dopamine, the diuretic effect strengthened.
    6. In combination with antihypertensive drugs, both diuretic and antihypertensive effect were enhanced.
    7. In combination with anti-gout drug, the dosage of the later one should be adjusted.
    8. It can weaken the anticoagulant, mainly due to the decreased elevated levels of blood plasma volume after diuretic, elevated levels of blood clotting factors, together with the diuretic effect improving blood supplement in the liver, and increased synthesis of clotting factors.
    9. It can reduce the role of hypoglycemic agents.
    10. Upon being used combination with digitalis drugs or amiodarone, you should beware of adverse reactions caused by hypokalemia.
    11. Upon being combination with lithium preparations, the product can reduce the renal clearance of lithium and increase renal toxicity of lithium.
    12. The effect of methenamine is affected by this product with its conversion to formaldehyde being inhibited, decreasing the efficacy.
    13. Enhance the non-depolarizing muscle relaxant effect which is related to a decline in serum potassium.
    14. Upon being used in combination with sodium bicarbonate, the chances of low chlorine alkalosis increases.

    Uses

    The product is a typical representative in the thiazide diuretic drug with its pharmaceutical sales in United States ranking first in 1985. Owing to its easy administration, moderate action as well as being suitable for all kinds of edema, it is most often clinically applied. Owing to adverse reactions like potassium secretion, we should pay attention to supplement potassium salt during the application. Intravenous injection-mice-LD50: 590mg/kg, oral LD50: greater than 8000mg/kg.
    Diuretics
    It mainly inhibits the re-absorption on Na+ and Cl-by the proximal end of the distal convoluted tubule so that renal excretion of sodium chloride is increased to produce a diuretic effect. It is a kind of diuretic drugs of moderate effect. This product has antihypertensive effect with the effect being enhanced when being use in combination with Lee medicine paste, antihypertensive shen paste or apocynum venetum and other traditional Chinese medicine. This product also has anti-diuretic effect and can be used for the treatment of diabetes insipidus

    Production method

    It is produced by: m-Chlorosulfonated goes through chlorosulfonation to give 5-chloro-2,4-chloro-anilide, and further reacted with ammonia to form 5-chloro-2,4-sulfamoyl aniline which finally reacts with formaldehyde to obtain the final product.

    Chemical Properties

    White Solid

    Originator

    Hydrodiuril,MSD,US,1959

    Uses

    Hydrochlorothiazide is one of the most widely used drugs of this series, and it is used for the same indications, as is chlorothiazide. Hydrochlorothiazide causes less inhibition of carbonic anhydrase, but causes 5–10 times more diuresis of sodium ions than chlorothiazide using the same dose.

    Uses

    A carbonic anhydrase inhibitor. Diuretic.

    Uses

    Labelled Hydrochlorothiazide (H714560). Hydrochlorothiazide is a carbonic anhydrase inhibitor as a diuretic.

    Definition

    ChEBI: A benzothiadiazine that is 3,4-dihydro-2H-1,2,4-benzothiadiazine 1,1-dioxide substituted by a chloro group at position 6 and a sulfonamide at 7. It is diuretic used for the treatment of hypertension and congestive heart failure.

    Manufacturing Process

    As described in US Patent 3,163,645, a mixture of 2.9 grams of 5-chloro-2,4- disulfamyl aniline in 15 ml of anhydrous diethyleneglycol dimethyl ether, 0.5 ml of an ethyl acetate solution containing 109.5 grams of hydrogen chloride per 1,000 ml and 0.33 grams (0.011 mol) of paraformaldehyde is heated to 80° to 90°C and maintained at that temperature for 1 hour. The resulting mixture is cooled to room temperature and concentrated to one-third of its volume under reduced pressure, diluted with water, then allowed to crystallize. The product is filtered off and recrystallized from water, to yield the desired 6-chloro-7-sulfamyl-3,4-dihydro-2H-[1,2,4]-benzothiadiazine-1,1- dioxide, MP 266° to 268°C, yield 1.4 grams. By replacing paraformaldehyde by 0.84 gram of 1,1 -dimethoxymethane and proceeding as above, the same compound is obtained.
    As described in US Patent 3,025,292, the desired product may be made by hydrogenation of chlorothiazide. Three grams of 6-chloro-7-sulfamyl-1,2,4- benzothiadiazine-1,1-dioxide (chlorothiazide) is suspended in 100 ml of methanol. Then 1.0 gram of a 5% ruthenium on charcoal catalyst is added, and the mixture is reduced at room temperature and at an initial hydrogen pressure of 39 psig. The theoretical amount of hydrogen to form the 3,4- dihydro derivative is absorbed after a period of about 10 hours.
    The reduction mixture then is heated to boiling and filtered hot to remove the catalyst. The catalyst is washed with a little methanol and the combined filtrate is concentrated to a volume of about 25 ml by evaporation on a steam bath. Upon cooling to room temperature, white crystals separate which are filtered, washed with water, and dried in vacuo at room temperature over phosphorus pentoxide overnight. The weight of 6-chloro-7-sulfamyl 3,4- dihydro-1,2,4-benzothiadiazine-1,1-dioxide obtained is 1.26 grams; MP 268.5° to 270°C. Dilution of the above filtrate with water to a volume of about 125 ml gives a second crop of product having the same melting point and weighing 1.22 grams, giving a combined yield of 83%. When the product is mixed with an authentic sample of 6-chloro-7-sulfamyl-3,4-dihydro-1,2,4- benzothiadiazine-1,1-dioxide, prepared by another method, the melting point is not depressed.

    brand name

    Esidrix (Novartis); Hydro-D (Halsey); Hydrodiuril (Merck); Microzide (Watson); Oretic (Abbott); Zide (Solvay Pharmaceuticals).

    Therapeutic Function

    Diuretic

    General Description

    Crystals or white powder.

    Air & Water Reactions

    Insoluble in water.

    Reactivity Profile

    Strong reducing agents will produce toxic gases ammonia and hydrogen sulfide.

    Fire Hazard

    Flash point data for Hydrochlorothiazide are not available but Hydrochlorothiazide is probably combustible.

    Safety Profile

    Poison bp intraperitoneal and intravenous routes. Moderately toxic by ingestion and subcutaneous routes. Human systemic effects by ingestion: sodum level changes, chlorine level changes, acute pulmonary edema, nausea or vomiting. Experimental reproductive effects. Questionable carcinogen with experimental tumorigenic data. Mutation data reported. A duetic. When heated to decomposition it emits very toxic fumes of SOx, Cl-, and NOx.

    Chemical Synthesis

    Hydrochlorothiazide, 1,1-dioxide 6-chloro-3,4-dihydro-2H-1,2,4- benzothiadiazin-7-sulfonamide (21.3.4), is synthesized either by cyclization of 4,6-sulfonamido- 3-chloroaniline (21.3.2) using paraformaldehyde, during which simultaneous reduction of the double bond occurs at position C3–C4, or the drug is synthesized by reduction of the same double bond in chlorothiazide (21.3.3) by formaldehyde. This small change in structure increases activity of the drug in comparison with chlorothiazide, and increases its absorbability when used orally.

    Veterinary Drugs and Treatments

    In veterinary medicine, furosemide has largely supplanted the use of thiazides as a general diuretic (edema treatment). Thiazides are still used for the treatment of systemic hypertension, nephrogenic diabetes insipidus, and to help prevent the recurrence of calcium oxalate uroliths in dogs.

    Hydrochlorothiazide Preparation Products And Raw materials

    Raw materials

    Preparation Products


    Hydrochlorothiazide Suppliers

    Global( 348)Suppliers
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    View Lastest Price from Hydrochlorothiazide manufacturers

    Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
    2021-10-21 Hydrochlorothiazide
    58-93-5
    US $1.00 / g 1000g 99% 20ton/month Wuhan Aoliqisi New Material Technology Co., Ltd.
    2021-10-08 Hydrochlorothiazide
    58-93-5
    US $0.00 / KG 1g 99% 500kg WUHAN CIRCLE POWDER TECHNOLOGY CO.,LTD
    2021-09-29 Hydrochlorothiazide
    58-93-5
    US $0.00-0.00 / Kg/Drum 1KG 98%-102%; USP 10 TONS WUHAN FORTUNA CHEMICAL CO., LTD

    Hydrochlorothiazide Spectrum


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