USP Dacarbazine RS
Keep container tightly closed and protected from light,and store in a refrigerator.Dry portion in vacuum over phosphorus pentoxide at 60for 2hours before using.
USP Dacarbazine Related Compound A RS
[5-aminoimidazole-4-carboxamide hydrochloride] —Do not dry before using.Keep container tightly closed and protected from light,and store in a refrigerator.
USP Dacarbazine Related Compound B RS
[2-azahypoxanthine] (C4H3N5O 137.10) —This is the monohydrate form of 2-azahypoxanthine.Do not dry before using.Keep container tightly closed and protected from light,and store in a refrigerator.
USP Dactinomycin RS
Dry portion in vacuum at a pressure not exceeding 5mm of mercury at 60for 3hours before using.Keep container tightly closed.Protect from light.Store in a cold place.
USP Danazol RS
Dry portion at a pressure not exceeding 5mm of mercury at 60to constant weight before using.Keep container tightly closed.Protect from light.
USP Danthron RS
Dry portion over silica gel for 4hours before using.Keep container tightly closed.
USP Dapsone RS
Dry portion at 105for 3hours before using.Keep container tightly closed.Protect from light.
USP Daunorubicin Hydrochloride RS
Do not dry before using.For quantitative applications,determine the water content titrimetrically at the time of use.Keep container tightly closed.Protect from light.Store in a freezer.Allow to equilibrate to room temperature before opening.
USP Decoquinate RS.

USP Deferoxamine Mesylate RS
Do not dry;determine the water content titrimetrically at the time of use.Keep container tightly closed.
USP Dehydrocarteolol Hydrochloride RS
[5-(3-tert-butylamino-2-hydroxy)-propoxycarbostyril hydrochloride] (C16H22N2O3·HCl 326.82) —Do not dry.Use as is.Keep container tightly closed and protected from light.
USP Dehydrocholic Acid RS
Dry portion at 105for 2hours before using.Keep container tightly closed.
USP Demecarium Bromide RS
Keep container tightly closed.Protect from light.Store in a cool place.
USP Demeclocycline Hydrochloride RS
Dry portion in vacuum at a pressure not exceeding 5mm of mercury at 60for 3hours before using.Keep container tightly closed.Protect from light.Store in a cold place. Change to read:
USP Denatonium Benzoate RS
This material is the anhydrous form of denatonium benzoate.USP28Dry portion at 105for 2hours before using.Keep container tightly closed. Change to read:
USP Desacetyl Diltiazem Hydrochloride RS
(C20H24N2O3S·HCl 408.95) —Do not dry.USP28Keep container tightly closed.Protect from light.
USP Desflurane RS—
Do not dry.After opening ampul,store in a tightly closed container.Store in a refrigerator.
USP Desflurane Related Compound A RS
[bis-(1,2,2,2-tetrafluoroethyl)ether] (C4H2F8O 218.05) —Do not dry.After opening the ampul,store in a tightly closed container.Store in a refrigerator.
USP Desipramine Hydrochloride RS
Dry portion in vacuum at 105for 2hours before using.Keep container tightly closed.
USP Deslanoside RS
Dry portion in vacuum over phosphorus pentoxide to constant weight before using.Keep container tightly closed.Protect from light.This material is hygroscopic.
USP Desogestrel Related Compound C RS
[3-keto-desogestrel] (C22H28O2 324.46) —Do not dry.
USP Desoximetasone RS
Dry portion at 105to constant weight before using.Keep container tightly closed.
USP Desoxycorticosterone Acetate RS
Do not dry.Keep container tightly closed.
USP Desoxycorticosterone Pivalate RS
Dry portion at 105for 2hours before using.Keep container tightly closed and protected from light.
USP Dexamethasone RS
Keep container tightly closed.Dry portion at 105for 3hours before using.
USP Dexamethasone Acetate RS
Dry portion in vacuum at 105for 3hours before using.Keep container tightly closed.
USP Dexamethasone Phosphate RS
This material is Dexamethasone Phosphate Acid.Dry portion at a pressure of 5mm of mercury at 40to constant weight before using.Keep container tightly closed.
USP Dexbrompheniramine Maleate RS
Dry portion at 65for 4hours before using.Keep container tightly closed.Protect from light.
USP Dexchlorpheniramine Maleate RS
Dry portion at 65for 4hours before using.Keep container tightly closed.Protect from light.
USP Dexpanthenol RS
Do not dry;determine the water content titrimetrically before using for quantitative analyses.Keep container tightly closed and protected from moisture.
USP Dextran 1RS
Store desiccated in tightly closed container between 4and 30.
USP Dextran 4Calibration RS
Do not dry.Store at room temperature.Keep container tightly closed.
USP Dextran 10Calibration RS
Do not dry.Store at room temperature.Keep container tightly closed.
USP Dextran 40RS.

USP Dextran 40Calibration RS
Do not dry.Store at room temperature.Keep container tightly closed.
USP Dextran 40System Suitability RS.

USP Dextran 70RS.

USP Dextran 70Calibration RS
Do not dry.Store at room temperature.Keep container tightly closed.
USP Dextran 70System Suitability RS.

USP Dextran 250Calibration RS
Do not dry.Store at room temperature.Keep container tightly closed.
USP Dextran T-10RS
Dry at 105for 3hours before using.Keep container tightly closed.
USP Dextran Vo Marker RS.

USP Dextroamphetamine Sulfate RS
Dry portion at 105for 2hours before using.Keep container tightly closed.
USP Dextromethorphan RS
Do not dry;determine the water content titrimetrically at the time of use.Keep container tightly closed.
USP Dextromethorphan Hydrobromide RS
Do not dry;determine the water content titrimetrically at time of use.Keep container tightly closed.
USP Dextrose RS
This is the anhydrous form of dextrose.Dry portion at 105for 16hours before using.Keep container tightly closed.
USP Diacetylated Monoglycerides RS
Keep container tightly closed.Protect from light.
USP Diacetylfluorescein RS
(C24H16O7 416.39) —Keep container tightly closed.Dry portion at 105for 4hours before using.Keep container tightly closed.Protect from light.
USP Diatrizoic Acid RS
This material is the hydrous form of diatrizoic acid.Dry portion at 105for 4hours before using.Keep container tightly closed.
USP Diatrizoic Acid Related Compound A RS
[5-acetamido-3-amino-2,4,6-triiodobenzoic acid] (C9H7I3N2O3 571.88) —Dry portion at 105for 4hours before using.Keep container tightly closed and protected from light.
USP Diazepam RS
Dry portion in vacuum over phosphorus pentoxide at 60for 4hours before using.Keep container tightly closed.Protect from light.
USP Diazepam Related Compound A RS
[2-methylamino-5-chlorobenzophenone] (C14H12ClNO 245.71) —Do not dry before using.Keep container tightly closed.Protect from light.
USP Diazepam Related Compound B RS
[3-amino-6-chloro-1-methyl-4-phenylcarbostyril] (C16H13ClN2O 284.74) —Do not dry.Keep container tightly closed.Protect from light.
USP Diazoxide RS
Dry portion at 105for 4hours before using.Keep container tightly closed.
USP Dibucaine Hydrochloride RS
Dry portion at 80for 5hours before using.Keep container tightly closed.Protect from light.
USP Dibutyl Phthalate RS.

USP Dichloralphenazone RS.

USP Dichlorphenamide RS
Do not dry.Keep container tightly closed.
USP Diclofenac Sodium RS
Dry portion at 105for 3hours before using.Keep container tightly closed and protected from light.
USP Diclofenac Related Compound A RS
[N-(2,6-dichlorophenyl)indolin-2-one] (C14H9Cl2NO 278.14) —Do not dry.Keep container tightly closed and protected from light.
USP Dicloxacillin Sodium RS
Do not dry before using.Determine the water content titrimetrically at the time of use.Keep container tightly closed.Protect from light.Store in a cold place.
USP Dicyclomine Hydrochloride RS
Dry portion at 105for 4hours before using.Keep container tightly closed.
USP Dienestrol RS
Dry portion at 105for 2hours before using.Keep container tightly closed.
USP Diethylcarbamazine Citrate RS
Do not dry before using.Keep container tightly closed.
USP Diethylene Glycol Monoethyl Ether RS.

USP Diethyl Phthalate RS
Do not dry before using.Keep container tightly closed.
USP Diethylpropion Hydrochloride RS
Dry portion over silica gel for 4hours before using.Keep container tightly closed.Protect from light.Use within 2years of purchase.
USP Diethylstilbestrol RS
Dry portion at 105for 2hours before using.Keep container tightly closed.Protect from light.
USP Diethylstilbestrol Diphosphate RS.

USP Diethyltoluamide RS
Do not dry;determine the water content titrimetrically at the time of use.Keep container tightly closed.
USP Diflorasone Diacetate RS
Dry portion in vacuum at 60and at a pressure not exceeding 5mm of mercury for 16hours before using.Keep container tightly closed.
USP Diflunisal RS
Dry portion in vacuum at 60and at a pressure not exceeding 5mm of mercury for 4hours before using.Keep container tightly closed.
USP Digitalis RS
Do not dry before using.Keep container tightly closed,and store in a cool place.
USP Digitoxin RS
Dry portion in vacuum at 105for 1hour before using.Keep container tightly closed.
USP Digoxin RS
Dry portion in vacuum at 105for 1hour before using.Keep container tightly closed.
USP Dihydrocapsaicin RS—
Do not dry.Keep container tightly closed.Protect from light.
USP Dihydrocodeine Bitartrate RS
Dry portion at 105for 4hours before using.Keep container tightly closed.
USP17a-Dihydroequilin RS
(C18H22O2 270.37) —Do not dry before using.Store in a cold place,protected from light.Store the contents of the opened ampul in a tightly closed container,under nitrogen,protected from light,in a cold place.
USP Dihydroergotamine Mesylate RS
Dry portion in vacuum at 100to constant weight before using.Keep container tightly closed.Protect from light.
USP Dihydrostreptomycin Sulfate RS
Dry portion in vacuum at a pressure not exceeding 5mm of mercury at 100for 4hours before using.Keep container tightly closed.Protect from light.Store in a cold place.
USP Dihydrotachysterol RS
Do not dry.Store in a cold place,protected from light.Allow to reach room temperature before opening ampuls,and use the material promptly.
USP Dihydroxyacetone RS
Do not dry.Keep container tightly closed.Store in a refrigerator.
USP Diloxanide Furoate RS
Dry portion at 105to constant weight before using.
USP Diltiazem Hydrochloride RS
Dry portion at 105for 2hours before using.Keep container tightly closed.Protect from light.
USP Dimenhydrinate RS
Dry portion in vacuum over phosphorus pentoxide for 24hours before using.Keep container tightly closed.Protect from light.
USP Dimethyl Sulfoxide RS—
Do not dry.After opening,store in a tightly closed,light-resistant container.This material is extremely hygroscopic.
USP Dinoprostone RS.

USP Dinoprost Tromethamine RS
Do not dry before using.Keep container tightly closed.
USP Dioxybenzone RS
Dry portion at 40and 5mm of mercury for 2hours before using.Store tightly closed,protected from light,in a cool place.
USP Diphenhydramine Citrate RS
Dry portion at 105for 3hours before using.Keep container tightly closed.Protect from light.
USP Diphenhydramine Hydrochloride RS
Dry portion at 105for 3hours before using.Keep container tightly closed.Protect from light.
USP Diphenoxylate Hydrochloride RS
Dry portion at 105for 2hours before using.Keep container tightly closed.
USP Dipivefrin Hydrochloride RS
Dry portion in a suitable vacuum drying tube over phosphorus pentoxide at 60for 6hours before using.Keep container tightly closed.
USP Dipyridamole RS
Dry portion at 105for 3hours before using.Keep container tightly closed.Protect from light.
USP Dirithromycin RS.

USP Disopyramide Phosphate RS
Dry portion at 105for 4hours before using.Keep container tightly closed.Protect from light.
USP2,4-Disulfamyl-5-trifluoromethylaniline RS
(C7H8F3N3O4S2 319.29) —Keep container tightly closed and protected from light.Dry portion in vacuum over silica gel for 4hours before using.
USP Disulfiram RS
Do not dry before using.Keep container tightly closed.Protect from light.
USP Dobutamine Hydrochloride RS
Determine the water content titrimetrically at the time of use for quantitative analyses.Keep container tightly closed.
USP Docusate Calcium RS
Do not dry;determine the water content titrimetrically at the time of use.Keep container tightly closed.This material is hygroscopic.
USP Docusate Potassium RS
Do not dry;determine the water content at the time of use.Keep container tightly closed.Store in dry place.This material is hygroscopic.
USP Docusate Sodium RS
Do not dry;determine the water content titrimetrically at time of use.Keep container tightly closed.Store in a desiccator.
USP Dolasetron Mesylate RS—
This is the monohydrate form of dolasetron mesylate.Do not dry.Keep container tightly closed.
USP Dolasetron Mesylate Related Compound A RS[hexahydro-8-hydroxy-2,6-methano-2H-quinolizin-3(4H)-one,hydrochloride]—
Do not dry.Keep container tightly closed.
USP Dopamine Hydrochloride RS
Dry portion at 105for 2hours before using.Keep container tightly closed.
USP Dorzolamide Hydrochloride RS—
Do not dry.Keep container tightly closed.
USP Dorzolamide Hydrochloride Related Compound A RS
[(4R,6R)-4-(ethylamino)-5,6-dihydro-6-methyl-4H-thieno[2,3-b]thiopyran-2-sulfonamide-7,7-dioxide,monohydrochloride] (C10H16N2O4S3·HCl 360.91) —Do not dry.Keep container tightly closed.Store in a cool room.
USP Doxapram Hydrochloride RS
Dry portion at 105for 2hours before using.Keep container tightly closed.
USP Doxepin Hydrochloride RS
Dry portion in vacuum at 60for 3hours before using.Keep container tightly closed.
USP Doxorubicin Hydrochloride RS
Do not dry before using.Store in a cold place.Protect from light,and allow to attain room temperature before opening.
USP Doxycycline Hyclate RS
Do not dry before using.Keep container tightly closed.Protect from light.Store in a cold place.
USP Doxylamine Succinate RS
Do not dry.Keep container tightly closed.Protect from light.
USP Droperidol RS
Dry portion in vacuum at 70for 4hours before using.Store under nitrogen.Keep container tightly closed.Protect from light.Store in a cool place.
USP Dyclonine Hydrochloride RS
Dry portion at 105for 1hour before using.Keep container tightly closed.Protect from light.Store in a cool place.
USP Dydrogesterone RS
Dry portion in vacuum at 50for 1hour before using.Keep container tightly closed.
USP Dyphylline RS
Dry portion at 105for 3hours before using.Keep container tightly closed.