USP Reference Standards

USP Acebutolol Hydrochloride RS

USP Acepromazine Maleate RS

USP Acesulfame Potassium RS

USP Acetaminophen RS

USP Acetanilide Melting Point RS

USP Acetazolamide RS

USP Glacial Acetic Acid RS.

USP Acetohexamide RS

USP Acetohydroxamic Acid RS

USP Acetylcholine Chloride RS .

USP Acetylcysteine RS

USP Acetyltributyl Citrate RS

USP Acetyltriethyl Citrate RS

USP Actein RS.

USP Acitretin RS.

USP Acitretin Related Compound A RS [(2Z,4E,6E,8E)-9-(4-methoxy-2,3,6-trimethylphenyl)-3,7-dimethylnona-2,4,6,8-tetraenoic acid] (C21H26O3

326.43).

USP Acitretin Related Compound B RS [(ethyl (all-E)-9-(4-methoxy-2,3,6-trimethylphenyl)-3,7-dimethylnona-2,4,6,8-tetraenoate)] (C23H30O3

354.48).

USP Acyclovir RS

USP Ademetionine Disulfate Tosylate RS.

USP Adenine RS

USP Adenosine RS

USP Adipic Acid RS

Add the following:

USP Agar RS.

USP32

USP Agigenin RS .

USP Agnuside RS .

USP Air–Helium RS.

USP l-Alanine RS

USP Beta Alanine RS

[3-aminopropionic acid].

USP Albendazole RS

Add the following:

USP rAlbumin Human RS (C2936H4624N786 O889S41

66,438).

USP32

USP Albuterol RS

USP Albuterol Sulfate RS .

USP Alclometasone Dipropionate RS .

USP Alcohol RS

USP Dehydrated Alcohol RS

USP Alcohol Determination—Acetonitrile RS .

USP Alcohol Determination—Alcohol RS .

USP Alendronate Sodium RS

USP Alfentanil Hydrochloride RS.

Add the following:

USP Alfuzosin Hydrochloride RS.

USP32

Add the following:

USP Alfuzosin System Suitability Mixture RS [Alfuzosin Hydrochloride containing approximately 0.4% Impurity A (N-[3-[(4-amino-6,7-dimethoxyquinazolin-2-yl)(methyl)amino]propyl]furan-2-carboxamide); and about 0.4% Impurity D (N-(4-amino-6,7-dimethoxyquinazolin-2-yl)-N-methylpropane-1,3-diamine)].

USP32

USP Allantoin RS

USP Alliin RS .

USP Allopurinol RS

USP Allopurinol Related Compound A RS

[3-amino-4-carboxamidopyrazole hemisulfate] (C4H6N4O)2·H2SO4

350.32) .

USP Allopurinol Related Compound B RS

[5-(formylamino)-1H-pyrazole-4-carboxamide] (C5H6N4O2

154.13).

USP Allopurinol Related Compound C RS

[N-(4H-1,2,4-triazol-4-yl)-1H-pyrazole-4-carboxamide] (C6H6N6O

178.15).

USP Allopurinol Related Compound D RS

[ethyl 5-amino-1H-pyrazole-4-carboxylate] (C6H9N3O2

155.15).

USP Allopurinol Related Compound E RS [ethyl 5-(formylamino)-1H-pyrazole-4-carboxylate].

USP Allopurinol Related Compound F RS [ethyl 3-(2-carbethoxy-2-cyanoethenyl)amino-1H-pyrazole-4-carboxylate].

USP S-Allyl-l-Cysteine RS .

USP Alprazolam RS

USP Alprazolam Related Compound A RS [2-(2-acetylhydrazino)-7-chloro-5-phenyl-3H-1,4-benzodiazepine] .

USP Alprostadil RS

USP Alteplase RS.

USP Altretamine RS

USP Dried Aluminum Hydroxide Gel RS .

USP Amantadine Hydrochloride RS .

USP Amcinonide RS

USP Amifostine RS .

USP Amifostine Disulfide RS

[1,3-propanediamine, N,N-(dithiodi-2,1-ethanediyl)bis, tetrahydrochloride] (C10H30N4S2Cl4

412.32) .

USP Amifostine Thiol RS

[ethanethiol, 2-[(3-aminopropyl)amino]-, dihydrochloride] (C5H16N2SCl2

207.17) .

USP Amikacin RS

USP Amiloride Hydrochloride RS .

USP Amiloxate RS

[isoamyl methoxycinnamate].

USP Aminobenzoate Potassium RS .

USP Aminobenzoic Acid RS

USP Aminobutanol RS

(C4H11NO

89.14) .

USP Aminocaproic Acid RS

USP N-(Aminocarbonyl)-N-[([5-nitro-2-furanyl]-methylene)-amino]-glycine RS

USP 2-Amino-5-chlorobenzophenone RS

(C13H10ClNO

231.68) .

USP 3-Amino-2,4,6-triiodobenzoic Acid RS

(C7H4I3NO2

514.83) .

USP 5-Amino-2,4,6-triiodo-N-methylisophthalamic Acid RS

(C9H7I3N2O3

571.88) .

USP Aminoglutethimide RS

USP m-Aminoglutethimide RS

USP Aminohippuric Acid RS

USP 5-Aminoimidazole-4-carboxamide Hydrochloride RS

(C4 H6N4O·HCl

162.58) .

USP Amino Methacrylate Copolymer RS.

USP Aminopentamide Sulfate RS .

USP 4-Aminophenol RS.

USP m-Aminophenol RS

USP Aminosalicylic Acid RS

USP Amitraz RS

USP Amitriptyline Hydrochloride RS

USP Amitriptyline Related Compound A RS

(also known as Dibenzosuberone) [10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5-one] (C15H12O

208.26).

USP Amitriptyline Related Compound B RS

(also known as Amitriptynol) [5-[3-(Dimethylamino)propyl]-10,11-dihydro-5H-dibenzo[a,d]-cyclohepten-5-ol] (C20H25O

295.42).

USP Amlodipine Besylate RS.

USP Ammonio Methacrylate Copolymer, Type A RS .

USP Ammonio Methacrylate Copolymer, Type B RS .

USP Ammonium Chloride RS .

USP Amobarbital RS

USP Amodiaquine Hydrochloride RS .

USP Amoxapine RS

USP Amoxicillin RS .

USP Amphotericin B RS

USP Ampicillin RS .

USP Ampicillin Sodium RS

USP Ampicillin Trihydrate RS

USP Amprolium RS

USP Anecortave Acetate RS.

USP Anecortave Acetate Related Compound A RS.

USP 1,6-Anhydro-d-glucose RS.

USP Anileridine Hydrochloride RS .

USP Antazoline Phosphate RS

USP Anthralin RS .

USP Antipyrine RS

Add the following:

USP Apigenin RS.

USP32

USP Apigenin-7-Glucoside RS .

USP Apomorphine Hydrochloride RS .

USP Apraclonidine Hydrochloride RS .

USP Aprotinin RS.

USP Aprotinin System Suitability RS.

USP l-Arabinitol RS

[l-arabitol, 1,2,3,4,5-pentanepentol] (C5H12O5

152.15) .

USP l-Arginine RS

USP Arginine Hydrochloride RS

USP Arsanilic Acid RS

USP Ascorbic Acid RS

USP Asparagine Anhydrous RS.

USP Asparagine Monohydrate RS.

USP Aspartame RS .

USP Aspartame Acesulfame RS

USP Aspartame Related Compound A RS

[5-benzyl-3,6-dioxo-2-piperazineacetic acid] (C13H14N2O4

262.27) .

USP Aspartic Acid RS

USP Aspirin RS

USP Astemizole RS

USP Atenolol RS

USP Atovaquone RS

USP Atovaquone Related Compound A RS

[cis-2[4-(4-chlorophenyl)cyclohexyl]-3-hydroxy-1,4-naphthoquinone] .

USP Atracurium Besylate RS

USP Atropine Sulfate RS .

USP Aurothioglucose RS

USP Avobenzone RS

USP Azaerythromycin A RS .

USP Azaperone RS

USP Azatadine Maleate RS .

USP Azathioprine RS

USP Azithromycin RS .

USP Azithromycin Identity RS

[A mixture of azithromycin, 3¢-(N-N-dimethyl-3¢-N-formyl-azithromycin, 3¢-N-demethyl-3¢-N-formylazithromycin (Rotamer 1), 3¢-N-demethyl-3¢-N-formylazithromycin (Rotamer 2), 3¢-de(dimethylamino)-3¢-oxoazithromycin, 2-desethyl-2-propylazithromycin, 3-deoxyazithromycin and 3¢-N-demethyl-3¢-N-[(4-methylphenyl)sulfonyl]azithromycin].

USP Azithromycin N-Oxide RS.

USP Azo-aminoglutethimide RS .

USP Aztreonam RS

USP Aztreonam E-Isomer RS

USP Open Ring Aztreonam RS

(C18H19N5O9S2

453.46) .