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Ampicillin and Sulbactam for Injection, USP is an injectable antibacterial combination consisting of the semisynthetic antibacterial ampicillin sodium and the beta-lactamase inhibitor sulbactam sodium for intravenous and intramuscular administration. Ampicillin sodium is derived from the penicillin nucleus, 6-aminopenicillanic acid. Chemically, it is monosodium (2S, 5R, 6R)-6-[(R)-2-amino-2-phenylacetamido]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate and has a molecular weight of 371.39. Its chemical formula is C 16 H 18 N 3 NaO 4 S. The structural formula is: Sulbactam sodium is a derivative of the basic penicillin nucleus. Chemically, sulbactam sodium is sodium penicillinate sulfone; sodium (2S, 5R)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo [3.2.0] heptane-2-carboxylate 4,4-dioxide. Its chemical formula is C 8 H 10 NNaO 5 S with a molecular weight of 255.22. The structural formula is: Ampicillin and Sulbactam for Injection, USP, ampicillin sodium/sulbactam sodium parenteral combination, is available as a white to off-white dry powder for reconstitution. Ampicillin and Sulbactam for Injection, USP dry powder is freely soluble in aqueous diluents to yield pale yellow to yellow solutions containing ampicillin sodium and sulbactam sodium equivalent to 250 mg ampicillin per mL and 125 mg sulbactam per mL. The pH of the solutions is between 8.0 and 10.0. Dilute solutions (up to 30 mg ampicillin and 15 mg sulbactam per mL) are essentially colorless to pale yellow. The pH of dilute solutions remains the same. Each 1.5 grams of Ampicillin and Sulbactam for Injection, USP pharmacy bulk package (1 gram ampicillin as the sodium salt plus 0.5 grams sulbactam as the sodium salt) parenteral contains approximately 115 mg (5 mEq) of sodium. Ampicillin and Sulbactam for Injection, USP pharmacy bulk package is a vial containing a sterile preparation of ampicillin sodium and sulbactam sodium for parenteral use that contains many single doses. The Pharmacy Bulk Package is for use in a pharmacy admixture setting; it provides many single doses of ampicillin and sulbactam for injection for addition to suitable parenteral fluids in the preparation of admixtures for intravenous infusion (see DIRECTIONS FOR USE, Directions for Proper Use of Pharmacy Bulk Package section). Ampicillin Sodium Structural Formula Sulbactam Sodium Structural Formula

Ampicillin and Sulbactam for Injection, USP is an injectable antibacterial combination consisting of the semisynthetic antibacterial ampicillin sodium and the beta-lactamase inhibitor sulbactam sodium for intravenous and intramuscular administration. Ampicillin sodium is derived from the penicillin nucleus, 6-aminopenicillanic acid. Chemically, it is monosodium (2S, 5R, 6R)-6-[(R)-2-amino-2-phenylacetamido]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate and has a molecular weight of 371.39. Its chemical formula is C 16 H 18 N 3 NaO 4 S. The structural formula is: Sulbactam sodium is a derivative of the basic penicillin nucleus. Chemically, sulbactam sodium is sodium penicillinate sulfone; sodium (2S, 5R)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo [3.2.0] heptane-2-carboxylate 4,4-dioxide. Its chemical formula is C 8 H 10 NNaO 5 S with a molecular weight of 255.22. The structural formula is: Ampicillin and Sulbactam for Injection, USP, ampicillin sodium/sulbactam sodium parenteral combination, is available as a white to off-white dry powder for reconstitution. Ampicillin and Sulbactam for Injection, USP dry powder is freely soluble in aqueous diluents to yield pale yellow to yellow solutions containing ampicillin sodium and sulbactam sodium equivalent to 250 mg ampicillin per mL and 125 mg sulbactam per mL. The pH of the solutions is between 8.0 and 10.0. Dilute solutions (up to 30 mg ampicillin and 15 mg sulbactam per mL) are essentially colorless to pale yellow. The pH of dilute solutions remains the same. 1.5 grams of Ampicillin and Sulbactam for Injection, USP (1 gram ampicillin as the sodium salt plus 0.5 grams sulbactam as the sodium salt) parenteral contains approximately 115 mg (5 mEq) of sodium. 3 grams of Ampicillin and Sulbactam for Injection, USP (2 grams ampicillin as the sodium salt plus 1 gram sulbactam as the sodium salt) parenteral contains approximately 230 mg (10 mEq) of sodium. Ampicillin Sodium Structural Formula Sulbactam Sodium Structural Formula

Cyclophosphamide is an alkylating drug. It is an antineoplastic drug chemically related to the nitrogen mustards. The chemical name for cyclophosphamide is 2-[bis(2-chloroethyl)amino]tetrahydro-2H-1,3,2-oxazaphosphorine 2-oxide monohydrate, and has the following structural formula: Cyclophosphamide has a molecular formula of C 7 H 15 Cl 2 N 2 O 2 P•H 2 O and a molecular weight of 279.1. Cyclophosphamide is soluble in water, saline, or ethanol. Cyclophosphamide for Injection, USP is a sterile white crystal or crystalline powder available as 500 mg, 1 gram, and 2 gram strength single-dose vials. 500 mg vial contains 534.5 mg cyclophosphamide monohydrate equivalent to 500 mg cyclophosphamide 1 gram vial contains 1,069 mg cyclophosphamide monohydrate equivalent to 1 gram cyclophosphamide 2 gram vial contains 2,138 mg cyclophosphamide monohydrate equivalent to 2 grams cyclophosphamide Structural Formula

Dehydrated alcohol injection, USP is a sterile, preservative free solution of ≥ 99% by volume ethyl alcohol and no excipients. Dehydrated alcohol injection, USP is for cardiac septal branch intra-arterial use. It has a molecular formula of C 2 H 6 O and a molecular weight of 46.07. Dehydrated alcohol injection, USP is a potent tissue toxin. Ethanol is a clear, colorless, volatile, and flammable liquid miscible with water and with practically all organic solvents. It has the following structural formula: Structural Formula

Diphenhydramine Hydrochloride Injection, USP is a sterile, nonpyrogenic solution for intravenous or deep intramuscular use as an antihistaminic agent. Each mL contains diphenhydramine hydrochloride 50 mg in Water for Injection. pH 4.0 to 6.5; sodium hydroxide and/or hydrochloric acid added, if needed, for pH adjustment. The chemical name of diphenhydramine hydrochloride is 2-(Diphenylmethoxy)-N,N-dimethylethylamine hydrochloride. The structural formula is as follows: C 17 H 21 NO • HCl MW 291.82 Diphenhydramine hydrochloride occurs as a white crystalline powder and is freely soluble in water and alcohol. Structural Formula

Fosaprepitant for injection is a sterile, lyophilized formulation containing fosaprepitant dimeglumine, a prodrug of aprepitant, a substance P/neurokinin-1 (NK 1 ) receptor antagonist, an antiemetic agent, chemically described as 1-Deoxy-1-(methylamino)-D-glucitol[3-[[(2 R ,3 S )-2-[(1 R )-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluorophenyl)-4-morpholinyl]methyl]-2,5-dihydro-5-oxo-1 H -1,2,4-triazol-1-yl]phosphonate (2:1) (salt). Its empirical formula is C 23 H 22 F 7 N 4 O 6 P∙ 2(C 7 H 17 NO 5 ) and its structural formula is: Fosaprepitant dimeglumine is a white to off-white amorphous powder with a molecular weight of 1004.83. It is freely soluble in water. Each vial of fosaprepitant for injection for administration as an intravenous infusion contains 150 mg of fosaprepitant (equivalent to 245.3 mg of fosaprepitant dimeglumine) and the following inactive ingredients: edetate disodium (5.4 mg), polysorbate 80 (75 mg), lactose monohydrate (395 mg), sodium hydroxide and/or hydrochloric acid (for pH adjustment). Structural Formula

Lidocaine hydrochloride injection, USP contains lidocaine hydrochloride, an amide local anesthetic, as the active pharmaceutical ingredient. The route of administration for lidocaine hydrochloride injection, USP is by injection, for infiltration, nerve block, epidural and caudal use. Multiple dose vials contain methylparaben and they should not be used for caudal and lumbar epidural blocks. Dosage forms listed as lidocaine hydrochloride injection, USP – MPF indicate single-dose solutions that are Methylparaben Free (MPF). Lidocaine hydrochloride, is chemically designated as acetamide, 2-(diethylamino)-N-(2,6-dimethylphenyl)-, monohydrochloride monohydrate and has the molecular weight of 288.8 g/mol. Lidocaine hydrochloride molecular formula is C 14 H 22 N 2 O • HCl•H 2 O, and has the following structural formula: Lidocaine hydrochloride injection, USP in multiple dose vials is a sterile, nonpyrogenic, isotonic, clear, colorless solution containing lidocaine hydrochloride and sodium chloride. Each mL contains 1 mg methylparaben as an antiseptic preservative. The pH of these solutions is adjusted to approximately 6.5 (5.0 to 7.0) with sodium hydroxide and hydrochloric acid. £ Quantity is equivalent to 10.7 mg per mL Lidocaine Hydrochloride, USP (Monohydrate). Ingredients Strength 1% Amount (Per mL) Lidocaine Hydrochloride (Anhydrous) 10 mg £ Sodium Chloride 7 mg Methylparaben 1 mg Sodium Hydroxide Added for pH Adjustment to approximately 6.5 (5.0 to 7.0) Hydrochloric Acid Lidocaine hydrochloride injection, USP - MPF is a sterile, nonpyrogenic, isotonic, clear, colorless, and preservative-free solution. The pH of these solutions is adjusted to approximately 6.5 (5.0 to 7.0) with sodium hydroxide and hydrochloric acid. £ Quantity is equivalent to 10.7 mg per mL Lidocaine Hydrochloride, USP (Monohydrate). Ingredients Strength 1% Amount (Per mL) Lidocaine Hydrochloride (Anhydrous) 10 mg £ Sodium Chloride 7 mg Sodium Hydroxide Added for pH Adjustment to approximately 6.5 (5.0 to 7.0) Hydrochloric Acid Structural Formula

Magnesium Sulfate in Water for Injection is a sterile, nonpyrogenic solution of magnesium sulfate heptahydrate in water for injection. May contain sulfuric acid and/or sodium hydroxide for pH adjustment. The pH is 4.5 (3.5 to 6.5). It is available in 4% and 8% concentrations. See HOW SUPPLIED section for the content and characteristics of available dosage forms and sizes. Magnesium Sulfate, USP heptahydrate is chemically designated MgSO 4 •7H 2 O, colorless crystals or white powder freely soluble in water. Water for Injection, USP is chemically designated H 2 O. The flexible plastic container is free of polyvinylchloride. Water can permeate from inside the container into the overwrap but not in amounts sufficient to affect the solution significantly. Solutions in contact with the plastic container may leach out certain chemical components from the plastic in very small amounts; however, biological testing was supportive of the safety of the plastic container materials. Exposure to temperatures above 25°C/77°F during transport and storage will lead to minor losses in moisture content. Higher temperatures lead to greater losses. It is unlikely that these minor losses will lead to clinically significant changes within the expiration period.

Norepinephrine (sometimes referred to as l-arterenol/Levarterenol or l-norepinephrine) is a sympathomimetic amine which differs from epinephrine by the absence of a methyl group on the nitrogen atom. Norepinephrine Bitartrate is (-)-α-(aminomethyl)-3,4-dihydroxybenzyl alcohol tartrate (1:1) (salt) monohydrate (molecular weight 337.3 g/mol) and has the following structural formula: Norepinephrine Bitartrate Injection, USP is supplied in a sterile aqueous solution in the form of the bitartrate salt to be administered by intravenous infusion. Norepinephrine is freely soluble in water, slightly soluble in alcohol, practically insoluble in chloroform and ether. Each mL contains 1 mg of norepinephrine base (equivalent to 1.89 mg of norepinephrine bitartrate, anhydrous basis), sodium chloride for isotonicity, not more than 0.2 mg (vials) of sodium metabisulfite as an antioxidant. It has a pH of 3.0 to 4.5. The air in the containers has been displaced by nitrogen gas. Figure

Piperacillin and Tazobactam for Injection, USP is an injectable antibacterial combination product consisting of the semisynthetic antibacterial piperacillin sodium and the beta-lactamase inhibitor tazobactam sodium for intravenous administration. Piperacillin sodium is derived from D(-)-α-aminobenzyl-penicillin. The chemical name of piperacillin sodium is sodium (2 S ,5 R ,6 R )-6-[( R )-2-(4-ethyl-2,3-dioxo-1-piperazine-carboxamido)-2-phenylacetamido]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate. The chemical formula is C 23 H 26 N 5 NaO 7 S and the molecular weight is 539.5. The chemical structure of piperacillin sodium is: Tazobactam sodium, a derivative of the penicillin nucleus, is a penicillanic acid sulfone. Its chemical name is sodium (2 S ,3 S ,5 R )-3-methyl-7-oxo-3-(1 H -1,2,3-triazol-1-ylmethyl)-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate-4,4-dioxide. The chemical formula is C 10 H 11 N 4 NaO 5 S and the molecular weight is 322.3. The chemical structure of tazobactam sodium is: Piperacillin and Tazobactam for Injection, USP contains a total of 2.35 mEq (54 mg) of sodium (Na+) per gram of piperacillin in the combination product. Piperacillin and Tazobactam for Injection, USP, is a white to off-white sterile, lyophilized powder consisting of piperacillin and tazobactam as their sodium salts packaged in glass bottles. This product does not contain excipients or preservatives. The pharmacy bulk package bottle is a container of sterile preparation which contains many single doses for parenteral use. The contents are intended for use in a pharmacy admixture program and are restricted to the preparation of admixtures for intravenous infusion. Each Piperacillin and Tazobactam for Injection, USP 40.5 gram pharmacy bulk package bottle contains piperacillin sodium equivalent to 36 grams of piperacillin and tazobactam sodium equivalent to 4.5 grams of tazobactam sufficient for delivery of multiple doses. Meets USP Organic Impurities Test 3. Figure Figure

Piperacillin and Tazobactam for Injection, USP is an injectable antibacterial combination product consisting of the semisynthetic antibacterial piperacillin sodium and the beta-lactamase inhibitor tazobactam sodium for intravenous administration. Piperacillin sodium is derived from D(-)-α-aminobenzyl-penicillin. The chemical name of piperacillin sodium is sodium (2 S ,5 R ,6 R )-6-[( R )-2-(4-ethyl-2,3-dioxo-1-piperazine-carboxamido)-2-phenylacetamido]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate. The chemical formula is C 23 H 26 N 5 NaO 7 S and the molecular weight is 539.5. The chemical structure of piperacillin sodium is: Tazobactam sodium, a derivative of the penicillin nucleus, is a penicillanic acid sulfone. Its chemical name is sodium (2 S ,3 S ,5 R )-3-methyl-7-oxo-3-(1 H -1,2,3-triazol-1-ylmethyl)-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate-4,4-dioxide. The chemical formula is C 10 H 11 N 4 NaO 5 S and the molecular weight is 322.3. The chemical structure of tazobactam sodium is: Piperacillin and Tazobactam for Injection, USP contains a total of 2.35 mEq (54 mg) of sodium (Na+) per gram of piperacillin in the combination product. Piperacillin and Tazobactam for Injection, USP, is a white to off-white sterile, lyophilized powder consisting of piperacillin and tazobactam as their sodium salts packaged in glass vials. This product does not contain excipients or preservatives. Each Piperacillin and Tazobactam for Injection, USP 2.25 gram single-dose vial contains an amount of drug sufficient for withdrawal of piperacillin sodium equivalent to 2 grams of piperacillin and tazobactam sodium equivalent to 0.25 grams of tazobactam. Each vial contains 4.69 mEq (108 mg) of sodium. Each Piperacillin and Tazobactam for Injection, USP 3.375 gram single-dose vial contains an amount of drug sufficient for withdrawal of piperacillin sodium equivalent to 3 grams of piperacillin and tazobactam sodium equivalent to 0.375 grams of tazobactam. Each vial contains 7.04 mEq (162 mg) of sodium. Each Piperacillin and Tazobactam for Injection, USP 4.5 gram single-dose vial contains an amount of drug sufficient for withdrawal of piperacillin sodium equivalent to 4 grams of piperacillin and tazobactam sodium equivalent to 0.5 grams of tazobactam. Each vial contains 9.39 mEq (216 mg) of sodium. Meets USP Organic Impurities Test 3. Chemical Structure of Piperacillin Sodium Chemical Structure of Tazobactam Sodium

Propofol injectable emulsion, USP is an anesthetic available as a sterile, nonpyrogenic white homogeneous emulsion for intravenous administration. The structural formula is: Chemical name: 2,6 diisopropylphenol Molecular formula: C 12 H 18 O Molecular weight: 178.27 Propofol, USP is slightly soluble in water. The pKa is 11. The octanol/water partition coefficient for propofol is 6761:1 at a pH of 6 to 8.5. Each mL of propofol injectable emulsion, USP contains 10 mg of propofol USP, 100 mg of soybean oil (100 mg/mL), 22.5 mg of glycerol (22.5 mg/mL), 12 mg of purified egg phospholipids (12 mg/mL), 0.055 mg of disodium edetate anhydrous (equivalent to 0.055 mg of disodium edetate) (0.05 mg/mL) as microbial inhibitor, and sodium hydroxide to adjust pH, in water for injection. Propofol injectable emulsion, USP is isotonic and has a pH of 6.0 to 8.5. Figure