USP Raloxifene Hydrochloride RS.

USP Ramipril RS

USP Ramipril Related Compound A RS

[(2S,3aS,6aS)-1-[(S)2-[[(S)1-(methoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-octahydrocyclopenta[b]pyrrole-2-carboxylic acid] (C22H30N2O5

402.48) .

USP Ramipril Related Compound B RS

[(2S,3aS,6aS)-1-[(S)2-[[(S)1-(methylethoxy)carbonyl-3-phenylpropyl]amino]-1-oxopropyl]-octahydrocyclopenta[b]pyrrole-2-carboxylic acid] (C24H34N2O5

430.54) .

USP Ramipril Related Compound C RS

[(2S,3aS,6aS)-1-[(S)2-[[(S)1-ethoxycarbonyl-3-cyclohexyl propyl]amino]-1-oxopropyl]-octahydrocyclopenta[b]pyrrole-2-carboxylic acid] (C23H38N2O5

422.56) .

USP Ramipril Related Compound D RS

[ethyl (2S)2-[(3S,5aS,8aS, 9aS)-3-methyl-1,4-dioxodecahydro-1H-cyclopenta[e]pyrrolo[1,2-a]pyrazin-2-yl]-4-phenyl-butanoate] Ramipril Diketopiperazine (C23H30N2O4

398.50) .

USP Ranitidine Hydrochloride RS

USP Ranitidine Related Compound A RS

[5-[[(2-aminoethyl)thio]methyl]-N,N-dimethyl-2-furanmethanamine, hemifumarate salt] .

USP Ranitidine Related Compound B RS

[N,N¢-bis[2-[[[5-[(dimethylamino)methyl]-2-furanyl]methyl]thio]ethyl]-2-nitro-1,1-ethenediamine] .

USP Ranitidine Related Compound C RS

[N-[2-[[[5-[(dimethylamino)methyl]-2-furanyl]methyl]sulfinyl]ethyl]-N-methyl-2-nitro-1,1-ethenediamine] .

USP Ranitidine Resolution Mixture RS—

It is a mixture of ranitidine hydrochloride and four related impurities: ranitidine-N-oxide, ranitidine complex nitroacetamide, ranitidine diamine hemifumarate, and ranitidine amino alcohol hemifumarate.

Ranitidine-N-oxide: N,N-dimethyl[5-[[[2-[[1-(methylamino)-2-nitroethenyl]amino]ethyl]sulphanyl]methyl]furan-2-yl]methanamine N-oxide.

Ranitidine complex nitroacetamide: N-[2-[[[5-[(dimethylamino)methyl]furan-2-yl]methyl]sulphanyl]ethyl]-2-nitroacetamide.

Ranitidine diamine hemifumarate (related compound A): [5-[[(2-aminoethyl)thio]methyl]-N,N-dimethyl-2-furanmethanamine, hemifumarate salt].

Ranitidine amino alcohol hemifumarate: [5-[(dimethylamino)methyl]furan-2-yl]methanol.

USP Rauwolfia Serpentina RS .

USP Repaglinide RS

USP Repaglinide Related Compound A RS

[(S)-3-methyl-1-[2-(1-piperidinyl)phenyl]butylamine, N-acetyl-l-glutamate salt] (C16H26N2·C7H11NO5

435.6) .

USP Repaglinide Related Compound B RS

[3-ethoxy-4-ethoxycarbonylphenylacetic acid] (C13H16O5

252.27) .

USP Repaglinide Related Compound C RS

[(S)-2-ethoxy-4-[2-[[2-phenyl-1-[2-(1-piperidinyl)phenyl]ethyl]amino]-2-oxoethyl]benzoic acid] (C30H34N2O4

486.61) .

USP Reserpine RS

USP Resorcinol RS

USP Ribavirin RS

USP Riboflavin RS

USP Rifabutin RS

USP Rifampin RS

USP Rifampin Quinone RS .

USP Rimexolone RS

USP Risperidone RS

[3-[2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)piperidino]ethyl]-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one]

(410.48

CAS-106266-06-2).

USP Risperidone System Suitability Mixture RS —Contains risperidone and about 0.2% of each of the following:

Z-oxime-3-[2-[4-[(Z)-(2,4-difluorophenyl)(hydroxyimino)methyl]piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one;

9-hydroxyrisperidone-(6RS)-3-[2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)piperidin-1-yl]ethyl]-2,6-dimethyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one;

6-methylrisperidone-(6RS)-3-[2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)piperidin-1-yl]ethyl]-2,6-dimethyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one.

USP Ritodrine Hydrochloride RS

USP Ritonavir RS.

USP Ritonavir Related Compounds Mixture RS.

USP Ropivacaine Hydrochloride RS.

USP Ropivacaine Related Compound A RS

[2,6-dimethylaniline hydrochloride] (C8H12ClN

157.64.

CAS-21436-98-6).

USP Ropivacaine Related Compound B RS

[(R)-ropivacaine hydrochloride monohydrate; (R)-(–)-1-propylpiperidene-2-carboxylic acid (2,6-dimethylphenyl)-amide hydrochloride monohydrate] (C17H26N2O

328.89).

USP Roxarsone RS

USP Rutin RS