USP Ramipril RS
—Do not dry. Keep container tightly closed. Protect from light. Store in a refrigerator.
USP Ramipril Related Compound A RS
[(2
S,3a
S,6a
S)-1-[(
S)2-[[(
S)1-(methoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-octahydrocyclopenta[
b]pyrrole-2-carboxylic acid
]
(C
22H
30N
2O
5 
402.48)
—Do not dry. Keep container tightly closed. Protect from light. Store in a refrigerator.
USP Ramipril Related Compound B RS
[(2
S,3a
S,6a
S)-1-[(
S)2-[[(
S)1-(methylethoxy)carbonyl-3-phenylpropyl]amino]-1-oxopropyl]-octahydrocyclopenta[
b]pyrrole-2-carboxylic acid
]
(C
24H
34N
2O
5
430.54)
—Do not dry. Keep container tightly closed.
USP Ramipril Related Compound C RS
[(2
S,3a
S,6a
S)-1-[(
S)2-[[(
S)1-ethoxycarbonyl-3-cyclohexyl propyl]amino]-1-oxopropyl]-octahydrocyclopenta[
b]pyrrole-2-carboxylic acid
]
(C
23H
38N
2O
5
422.56)
—Do not dry. Keep container tightly closed.
Change to read:
USP Ramipril Related Compound D RS
[ethyl (2
S)2-[(3
S,5a
S,8a
S, 9
aS)-3-methyl-1,4-dioxodecahydro-1
H-cyclopenta[
e]pyrrolo[1,2-
a]pyrazin-2-yl]-4-phenyl-butanoate
] 
Ramipril DiketopiperazineUSP29
(C
23H
30N
2O
4
398.50)
—Do not dry. Keep container tightly closed.
Protect from light. Store in a refrigerator.
USP29
USP Ranitidine Hydrochloride RS—
Dry portion in vacuum at 60
for 3 hours before using. Keep container tightly closed and protected from light.
USP Ranitidine Related Compound A RS
[5-[[(2-aminoethyl)thio]methyl]-N,N-dimethyl-2-furanmethanamine, hemifumarate salt]
—Keep container tightly closed and protected from light. Do not dry before using.
USP Ranitidine Related Compound B RS
[N,N¢-bis[2-[[[5-[(dimethylamino)methyl]-2-furanyl]methyl]thio]ethyl]-2-nitro-1,1-ethenediamine]
—Keep container tightly closed and protected from light. Do not dry before using.
USP Ranitidine Related Compound C RS
[N-[2-[[[5-[(dimethylamino)methyl]-2-furanyl]methyl]sulfinyl]ethyl]-N-methyl-2-nitro- 1,1-ethenediamine]
—Do not dry before using. Keep container tightly closed and protected from light. Store in a cool place.
USP Rauwolfia Serpentina RS—
Do not dry before using. Keep container tightly closed, and store at a controlled room temperature in a dry place.
USP Repaglinide RS—
Do not dry.
USP Repaglinide Related Compound A RS
[(
S)-3-methyl-1-[2-(1-piperidinyl)phenyl]butylamine,
N-acetyl-
L-glutamate salt
]
(C
16H
26N
2·C
7H
11NO
5
435.6)
—Do not dry.
USP Repaglinide Related Compound B RS
[3-ethoxy-4-ethoxycarbonylphenylacetic acid
]
(C
13H
16O
5
252.27)
—Do not dry.
USP Repaglinide Related Compound C RS
[(
S)-2-ethoxy-4-[2-[[2-phenyl-1-[2-(1-piperidinyl)phenyl]ethyl]amino]-2-oxoethyl]benzoic acid
]
(C
30H
34N
2O
4
486.61)
—Do not dry.
USP Reserpine RS—
Dry portion at 60
for 3 hours before using. Keep container tightly closed. Protect from light.
USP Resorcinol RS—
Do not dry. Keep container tightly closed. Protect from light. Avoid contact with metals.
USP Ribavirin RS—
Do not dry. Keep container tightly closed.
USP Riboflavin RS—
Dry portion at 105
for 2 hours before using. Keep container tightly closed. Protect from light.
USP Rifabutin RS—
Do not dry before using. Keep container tightly closed. Store in a freezer.
USP Rifampin RS—
Do not dry; determine the loss on drying of a separate portion at the time of use. Avoid exposure to oxygen. Keep container tightly closed. Protect from light. Store in a cold place.
USP Rifampin Quinone RS—
Do not dry before using. Keep container tightly closed. Protect from light. Store in a cold, dry place.
USP Rimexolone RS—
Dry portion in vacuum at 105
for 3 hours before using. Protect from light. Keep container tightly closed.
USP Ritodrine Hydrochloride RS—
Dry portion at 105
for 1 hour before using. Keep container tightly closed.
USP Ropivacaine Hydrochloride RS.
USP Ropivacaine Related Compound A RS
[2,6-dimethylaniline hydrochloride
]
(C
8H
12ClN
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
]
(C
17H
26N
2O
328.89).
USP Roxarsone RS—
Dry portion at 100
for 6 hours before using. Keep container tightly closed.
USP Rutin RS—
Do not dry before using. Keep container tightly closed. Protect from light. Store in a cold place.
