USP Gabapentin RS —Do not dry. Keep container tightly closed.

USP Gabapentin Related Compound A RS [3,3-pentamethylene-5-butyrolactam] (C9H15NO 153.22) —Do not dry. Keep container tightly closed.

USP Gadodiamide RS —Do not dry before using. For quantitative applications, determine the water content titrimetrically at the time of use, and use a value of 0.989 mg gadodiamide per mg on the anhydrous basis. Keep container tightly closed. Protect from light. Store in a desiccator in a cold place.

USP Gadodiamide Related Compound A RS [gadolinium sodium diethylenetriamine pentaacetic acid monomethylamide] (C15H22GdN4NaO9 582.60) —Do not dry before using. Keep container tightly closed.

USP Gadodiamide Related Compound B RS [gadolinium disodium diethylenetriamine pentaacetic acid] (C14H18GdN3Na2O10 591.54) —Do not dry before using. Keep container tightly closed.

USP Gadopentetate Monomeglumine RS.

USP Gadoteridol RS.

USP Gadoteridol Related Compound A RS [10-(2-hydroxypropyl)-1,4,7,10-tetraazacyclododecane-1,4,7-triaacetic acid] (C17H32N4O7 404.46) .

USP Gadoteridol Related Compound B RS [1,4,7,10-tetraazacyclododecane-1,4,7-triacetic acid gadolinium salt] .

USP Gadoteridol Related Compound C RS [1,4,7,10-tetraaza-11-oxo-bicyclo[8.2.2]tetradecane-4,7-diacetic acid] .

USP Gadoversetamide RS— Do not dry. For quantitative applications, determine the water content titrimetrically at the time of use. Keep container tightly closed. This material is hygroscopic. Store in a cold place.

USP Gadoversetamide Related Compound A RS [hydrogen [8, 11,14-tris(carboxymethyl)-6-oxo-2-oxa-5,8,11,14-tetraazahexadecan-16-oato(4-)]gadolinium] —Do not dry. For quantitative applications, determine the water content titrimetrically at the time of use. Keep container tightly closed. This material is hygroscopic. Store in a refrigerator.

USP Galactose RS— Do not dry. Keep container tightly closed.

USP Gallamine Triethiodide RS— Dry portion at 100 for 4 hours before using. Keep container tightly closed. Protect from light. Store in a cool place.

USP Ganciclovir RS— Dry portion in vacuum at 80 for 3 hours before using. Keep container tightly closed and protected from light. Store in a refrigerator. This material is hygroscopic.

USP Ganciclovir Related Compound A RS [(RS)-2-amino-9-(2,3-dihydroxy-propoxymethyl)-1,9-dihydro-purin-6-one]—Do not dry. Keep container tightly closed. Protect from light. Store in a refrigerator.

USP Gemcitabine Hydrochloride RS— Do not dry. Keep container tightly closed. Store in a refrigerator.

USP Gemfibrozil RS— Dry portion over silica gel for 4 hours before using. Keep container tightly closed.

USP Gemfibrozil Related Compound A RS [2,2-dimethyl-5-[2,5-dimethyl-4-propene-1-yl)phenoxy]valeric acid] (C18H26O3 290.40) —Do not dry. Keep container tightly closed. Store at room temperature. [Caution—Solutions are light-sensitive. ]

USP Gentamicin Sulfate RS— Dry portion in vacuum at a pressure not exceeding 5 mm of mercury at 110 for 3 hours before using. Handle the dry material quickly and in a dry atmosphere. Keep container tightly closed. Protect from light. Store in a cold place.

USP Gentian Violet RS— Do not dry; determine the water content at the time of use. Keep container tightly closed. Store in a cool place.

USP Powdered Ginger RS— Do not dry before using. Keep container tightly closed, protected from light and moisture.

USP Powdered Ginkgo Extract RS.

USP Ginkgolic Acids RS.

USP Ginkgo Terpene Lactones RS.

USP Powdered American Ginseng Extract RS.

USP Asian Ginseng Extract RS.

USP Powdered Asian Ginseng Extract RS— Do not dry; determine the water content titrimetrically at the time of use for quantitative analyses. Keep container tightly closed. This material is hygroscopic.

USP Gitoxin RS (C41H64O14 780.96) —Do not dry before using. Keep container tightly closed and protected from light.

USP Glimepiride RS.

USP Glimepiride Related Compound A RS [glimepiride cis-isomer].

USP Glimepiride Related Compound B RS [glimepiride sulfonamide].

USP Glimepiride Related Compound C RS [glimepiride urethane].

USP Glimepiride Related Compound D RS [glimepiride 3-isomer].

USP Glipizide RS— Do not dry before using. Keep container tightly closed and protected from light.

USP Glipizide Related Compound A RS [N-{2-[(4-aminosulfonyl)phenyl]ethyl}-5-methyl-pyrazinecarboxamide] (C14H16N4O3S 320.37) —Do not dry before using. Keep container tightly closed. Protect from light.

USP Glucagon RS— See outer hermetic bag for potency. Do not dry. Store at 20 before opening, allow to attain room temperature, and protect from air and humidity after opening.

USP Glucosamine Hydrochloride RS— Do not dry. Keep container tightly closed. Protect from light.

USP Glutamic Acid RS— Do not dry. Keep container tightly closed. Store at room temperature.

USP Glutamine RS— Do not dry. Keep container tightly closed.

USP -Glutamyl-(S)-Allyl-L-Cysteine RS— Dry portion in vacuum at 80 over phosphorus pentoxide for 2 hours before using. Keep container tightly closed and protected from light. Store in a freezer.

USP Glyburide RS— Dry portion at 105 for 6 hours before using. Keep container tightly closed.

USP Glycerin RS— Do not dry before using. Keep container tightly closed.

USP Glyceryl Behenate RS— Do not dry before using. Keep container tightly closed. Store at a temperature not higher than 35.

USP Glyceryl Distearate RS.

USP Glyceryl Monolinoleate RS.

USP Glyceryl Monooleate RS.

USP Glycine RS— Dry portion at 105 for 2 hours before using. Keep container tightly closed.

USP Glycopyrrolate RS— Do not dry. Keep container tightly closed.

USP Glycyrrhizic Acid RS— Dry portion at 50 for 12 hours before using. Keep container tightly closed. Protect from light. Store in a cool place.

USP Gonadorelin Hydrochloride RS.

USP Chorionic Gonadotropin RS— Store in a refrigerator, and do not dry before using. Use a fresh ampul for each group of assays, and discard any unused portion.

USP Graftskin Reference Photomicrographs VRS.

USP Gramicidin RS— Dry portion in vacuum at a pressure not exceeding 5 mm of mercury at 60 for 3 hours before using. Keep container tightly closed. Protect from light. Store in a cold place.

USP Griseofulvin RS— Do not dry before using. Keep container tightly closed. Protect from light. Store in a cold place.

USP Griseofulvin Permeability Diameter RS— Do not dry before using. Keep container tightly closed. Protect from light. Store in a cold place.

USP Guaiacol RS— Do not dry. After opening ampul, store in a tightly closed container. Protect from light.

USP Guaifenesin RS— Dry portion in vacuum at a pressure not below 10 mm of mercury at 60 to constant weight before using. Keep container tightly closed.

USP Guanabenz Acetate RS— Dry portion in vacuum at 60 for 2 hours before using. Keep container tightly closed. Protect from light.

USP Guanadrel Sulfate RS— Dry portion at room temperature at a pressure not exceeding 5 mm of mercury for 16 hours at time of use for quantitative analyses. Keep container tightly closed.

USP Guanethidine Monosulfate RS— Dry portion at 105 to constant weight before using. Keep container tightly closed.

USP Guanfacine Hydrochloride RS— Dry portion at 105 for 4 hours before using. Keep container tightly closed and protected from light.