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W&B Part #Chemical NameSynonymsCAS NoRelated CAS No
Molecular Formula
Molecular Weight
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WBSTD00001Ondansetron EP Impurity G3-((1H-imidazol-1-yl)methyl)-9-methyl-2,3-dihydro-1H-carbazol-4(9H)-one99614-03-699614-04-7(HCl)C17H17N3O279.34
9
WBSTD00002Hyoscine Butylbromide EP Impurity D(1R,2R,4S,5S,7s,9S)-7-(((S)-3-hydroxy-2-phenylpropanoyl)oxy)-9-methyl-9-propyl-3-oxa-9-azatricyclo[3.3.1.02,4]nonan-9-ium bromide30269-50-299603-29-9(Free Base)C20H28NO4 Br346.45 79.90
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WBSTD00003Daunorubicin Impurity 499-acetyl-7,9-bis((4-amino-5-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-6,11-dihydroxy-7,8,9,10-tetrahydrotetracene-5,12-dione105454-45-399457-12-2(2HCl)C32H38N2O11626.66
11
WBSTD00004Biotin EP Impurity G(3aR,8aS,8bS)-1,3-dibenzyl-2-oxodecahydrothieno[1',2':1,2]thieno[3,4-d]imidazol-5-ium bromide33719-11-899297-09-3(free base)C22H25N2OS Br365.51 79.90
12
WBSTD00005Adenosine 5'-triphosphateAdenosine 5'-triphosphate56-65-5987-65-5(disodium salt);34369-07-8(sodium salt, hydrate)C10H16N5O13P3507.18
13
WBSTD00006Drotaverine Impurity 51-(3,4-diethoxybenzylidene)-6,7-diethoxy-1,2,3,4-tetrahydroisoquinoline14009-24-6985-12-6(HCl)C24H31NO4397.52
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WBSTD00007Panipenem(5R,6S)-6-((R)-1-hydroxyethyl)-3-(((S)-1-(1-iminoethyl)pyrrolidin-3-yl)thio)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid87726-17-898167-70-5(Deleted)C15H21N3O4S339.41
15
WBSTD00008Roxatidine2-hydroxy-N-(3-(3-(piperidin-1-ylmethyl)phenoxy)propyl)acetamide78273-80-097900-88-4(HCl salt);110925-92-3(oxalate)C17H26N2O3306.40
16
WBSTD00009Docusate sodium Impurity 64-((2-ethylhexyl)oxy)-4-oxo-2-sulfobutanoic acid63294-52-096954-01-7(2Na salt);115960-17-3(Na salt)C12H22O7S$310.36
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WBSTD00010Diquafosol Impurity 22sodium ((2R,3S,5R)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-3-hydroxytetrahydrofuran-2-yl)methyl phosphate42155-08-8964-26-1(free)C9H11N2Na2O8P352.15
18
WBSTD00011Vortioxetine1-(2-((2,4-DiMethylphenyl)thio)phenyl)piperazine508233-74-7960203-27-4(HBr Salt);1253056-29-9(hydroxypropanoate)C18H22N2S298.45
19
WBSTD00012heptane-1,7-diamineheptane-1,7-diamine646-19-595930-98-6(Deleted)C7H18N2130.24
20
WBSTD00013Eplerenone EP Impurity F3-((4aS,4bR,5aR,6aS,7R,9aS,9bR,10R)-7-hydroxy-10-(methoxycarbonyl)-4a,6a-dimethyl-2-oxo-2,3,4,4a,5a,6,6a,7,8,9,9a,9b,10,11-tetradecahydrocyclopenta[1,2]phenanthro[4,4a-b]oxiren-7-yl)propanoic acid579484-30-395716-98-6(Potassium salt)C24H32O7432.51
21
WBSTD00014(4,5-dihydro-1H-imidazol-2-yl)methanol(4,5-dihydro-1H-imidazol-2-yl)methanol61764-85-095185-87-8(hydrochloride)C4H8N2O100.12
22
WBSTD00015Tafamidis2-(3,5-dichlorophenyl)benzo[d]oxazole-6-carboxylic acid594839-88-0951395-08-7(meglumine)C14H7Cl2NO3308.11
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WBSTD000162,4-D-Sodium salt monohydrateSodium 2,4-Dichlorophenoxyacetate Monohydrate; 2,4-Dichlorophenoxyacetic Acid Sodium Salt; (2,4-​Dichlorophenoxy)​acetic acid sodium salt monohydrateN/A94-75-7(free); 2702-72-9(Na salt )C8H5Cl2O3 Na H2O220.03 22.99 18.02
24
WBSTD00017Amoxicillin Impurity 28 (Amoxicillin dimer)(2S,5R,6R)-6-((R)-2-((R)-2-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)-2-((2S,4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl)acetamido)-2-(4-hydroxyphenyl)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acidC32H38N6O10S2730.81
25
WBSTD00018Vortioxetine Impurity 712-bromoaniline615-36-194718-79-3 (HCl salt)C6H6BrN172.03
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WBSTD00019Ampicillin Impurity 24;Ampicillin TrimerAmpicillin EP Impurity Q(M-2); (4S,4'S)-2,2'-((1R,7R,13R)-1-amino-14-(((2S,5R,6R)-2-carboxy-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptan-6-yl)amino)-2,5,8,11,14-pentaoxo-1,7,13-triphenyl-3,6,9,12-tetraazatetradecane-4,10-diyl)bis(5,5-dimethylthiazolidine-4-carboxylic acid)114977-84-394659-48-0(3Na)C48H57N9O12S31048.21
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WBSTD00020Ipratropium Bromide Impurity 29(1R,3s,5S)-8-isopropyl-8-azabicyclo[3.2.1]octan-3-ol3423-23-294217-34-2(HCl)C10H19NO169.26
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WBSTD000212-(benzo[d][1,3]dioxol-5-ylamino)ethanol2-(benzo[d][1,3]dioxol-5-ylamino)ethanol81329-90-094158-14-2(HCl)C9H11NO3181.19
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WBSTD00022Fluvastatin Impurity 13(3S,5R,E)-7-(3-(4-fluorophenyl)-1-isopropyl-1H-indol-2-yl)-3,5-dihydroxyhept-6-enoic acid155229-76-894061-81-1(sodium salt)C24H26FNO4411.47
30
WBSTD000232,3-dihydroxypropyl acetate2,3-dihydroxypropyl acetate106-61-693713-40-7(Deleted)C5H10O4134.13
31
WBSTD00024Olodaterol Impurity 22(R)-6-hydroxy-8-(1-hydroxy-2-((1-(4-hydroxyphenyl)-2-methylpropan-2-yl)amino)ethyl)-2H-benzo[b][1,4]oxazin-3(4H)-one869493-97-0936490-85-6(HCl Salt )C20H24N2O5372.42
32
WBSTD00025Tacalcitol1,24-Dihydroxy Vitamin D3; (1R,3S,Z)-5-(2-((1R,3aS,7aR,E)-1-((2R,5R)-5-hydroxy-6-methylheptan-2-yl)-7a-methyloctahydro-4H-inden-4-ylidene)ethylidene)-4-methylenecyclohexane-1,3-diol57333-96-793129-94-3(monohydrate)C27H44O3416.63
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WBSTD00026Canagliflozin(2S,3R,4R,5S,6R)-2-(3-((5-(4-fluorophenyl)thiophen-2-yl)methyl)-4-methylphenyl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol842133-18-0928672-86-0(1/2*H2O); 1809403-05-1(H2O)C24H25FO5S444.52
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WBSTD00027Nintedanib(Z)-methyl 3-(((4-(N-methyl-2-(4-methylpiperazin-1-yl)acetamido)phenyl)amino)(phenyl)methylene)-2-oxoindoline-6-carboxylate656247-17-5928326-83-4(Deleted)C31H33N5O4539.62
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WBSTD00028Vonoprazan Impurity K1-(2-chloro-5-(2-fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl)-N-methylmethanamine928325-68-2928325-69-3(fumarate)C17H15ClFN3O2S379.84
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WBSTD00029Imatinib Impurity 25Urea,N-(aminoiminomethyl)141-83-3926-72-7(HCl salt)C2H6N4O102.10
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WBSTD000302,2,3,3-tetramethylsuccinimidamide2,2,3,3-tetramethylsuccinimidamide803635-12-392442-79-0(2HCl)C8H18N4170.26
38
WBSTD00031Pilocarpine hydrochloride(3S,4R)-3-ethyl-4-((1-methyl-1H-imidazol-5-yl)methyl)dihydrofuran-2(3H)-one hydrochloride54-71-792-13-7(free base)C11H16N2O2*HCl208.26*36.46
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WBSTD00032Nebivolol Impurity 13(S)-1-((S)-6-fluorochroman-2-yl)-2-(((R)-2-((S)-6-fluorochroman-2-yl)-2-hydroxyethyl)amino)ethanol119365-25-2920299-27-0(HCl)C22H25F2NO4405.44
40
WBSTD00033Nebivolol Impurity 19 (RRRR-Nebivolol)(R,1R,1'R)-2,2'-azanediylbis(1-((R)-6-fluorochroman-2-yl)ethanol)119365-29-6920275-25-8(HCl)C22H25F2NO4405.44
41
WBSTD00034Nebivolol Impurity 24(R,1S,1'S)-2,2'-azanediylbis(1-((R)-6-fluorochroman-2-yl)ethanol)119365-30-9920275-23-6(hydrochloride)C22H25F2NO4405.44
42
WBSTD00035Naltrexone EP Impurity J(4R,4aS,7aR,12bS)-3-(cyclopropylmethyl)-4a-hydroxy-9-methoxy-2,3,4,4a,5,6-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-7(7aH)-one16617-07-5918502-32-6; 936213-37-5(Deleted)C21H25NO4355.43
43
WBSTD00036Ambrisentan Impurity 102-hydroxy-3-methoxy-3,3-diphenylpropanoic acid178306-51-9917247-88-2(Deleted)C16H16O4272.30
44
WBSTD00037Levetiracetam Impurity 34ethyl (S)-2-aminobutanoateN/A91462-82-7（HCl salt)C6H13NO2131.18
45
WBSTD00038Diazolidinyl urea1-(1,3-bis(hydroxymethyl)-2,5-dioxoimidazolidin-4-yl)-1,3-bis(hydroxymethyl)urea78491-02-8913083-75-7(Alternate)C8H14N4O7278.22
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WBSTD0003928-Epihomobra ssinolide(3aS,5S,6R,7aR,7bS,9aS,10R,12aS,12bS)-10-((2S,3S,4S,5S)-5-ethyl-3,4-dihydroxy-6-methylheptan-2-yl)-5,6-dihydroxy-7a,9a-dimethylhexadecahydro-3H-benzo[c]indeno[5,4-e]oxepin-3-one80483-89-290762-61-1(Deleted)C29H50O6494.71
47
WBSTD00040Apixaban Impurity 2443,8-diazabicyclo[3.2.1]octaneN/A90673-35-1(HCl)C6H12N2112.18
48
WBSTD00041Teneligliptin((2S,4S)-4-(4-(3-methyl-1-phenyl-1H-pyrazol-5-yl)piperazin-1-yl)pyrrolidin-2-yl)(thiazolidin-3-yl)methanone760937-92-6906093-29-6(HBr);1572583-29-9(hydrobromide, hydrate(2:5:X))C22H30N6OS426.58
49
WBSTD00042Azelnidipine Impurity 31-benzhydrylazetidin-3-ol18621-17-590604-02-7(HCl)C16H17NO239.31
50
WBSTD00043Vitamin B6 Impurity 855-hydroxy-4-(hydroxymethyl)-6-methylnicotinaldehyde hydrochloride6560-46-990005-85-9(hydrochloride)C8H9NO3 HCl167.16 36.46
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WBSTD00044Levetiracetam Impurity V2-aminobutanamide53726-14-089603-48-5(HCl salt)C4H10N2O102.13
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WBSTD00045Edoxaban Impurity 1223-bromo-1-methylpiperidin-4-one735223-66-289580-42-7(hydrobroMide)C6H10BrNO192.06
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WBSTD00046Diphenidol Hydrochloride Impurity 111-(4,4-diphenylbut-3-en-1-yl)piperidineN/A89410-63-9(hydrochloride)C21H25N291.44
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WBSTD00047(S)-2-aminobutanenitrile(S)-2-aminobutanenitrile631921-68-1887277-58-9(HCl)C4H8N284.12
55
WBSTD00048Atorvastatin EP Impurity F(3R,5R)-7-[[(3R,5R)-7-[2-(4-Fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrol-1-yl]-3,5-dihydroxy-1-oxoheptyl]amino]-3,5-dihydroxy-heptanoic Acid Calcium Salt1105067-87-5;1371615-56-3(Na salt)887196-24-9 (free base)C40H47FN3O8·1/2Ca736.86
56
WBSTD00049Beraprost discontinued see RM-B0532004-(2-hydroxy-1-(3-hydroxy-4-methyloct-1-en-6-yn-1-yl)-2,3,3a,8b-tetrahydro-1H-cyclopenta[b]benzofuran-5-yl)butanoic acid88430-50-688475-69-8(Na salt)C24H30O5$398.50
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WBSTD00050Beraprost Sodium Saltsodium 4-(2-hydroxy-1-(3-hydroxy-4-methyloct-1-en-6-yn-1-yl)-2,3,3a,8b-tetrahydro-1H-cyclopenta[b]benzofuran-5-yl)butanoate88475-69-888430-50-6(free base)C24H29O5*NaC24H29O5*Na
58
WBSTD00051Vonoprazan Impurity 186 discontinued see RM-V1416001-(5-(2-fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl)-N-methylmethanamine881681-00-1881681-01-2(Fumarate)C17H16FN3O2S345.39
59
WBSTD00052Vonoprazan （discontinued）1-(5-(2-fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl)-N-methylmethanamine881681-01-2881681-00-1(Fumaric acid); 1260141-27-2(Deleted)C17H16FN3O2S345.39
60
WBSTD00053Vonoprazan1-(5-(2-fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl)-N-methylmethanamine881681-01-2881681-00-1(free base);1260141-27-2(delete)C17H16FN3O2S345.39
61
WBSTD00054Amlodipine mesylate3-ethyl 5-methyl 2-((2-aminoethoxy)methyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate methanesulfonate246852-12-088150-42-9(free base); 88150-47-4(maleate); 111470-99-6(besylate)C20H25ClN2O5*CH4O3S408.88*96.10
62
WBSTD00055Amlodipine besylate3-ethyl 5-methyl 2-((2-aminoethoxy)methyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate benzenesulfonate111470-99-688150-42-9(free base); 88150-47-4(maleate)C20H25ClN2O5 C6H6O3S408.88 158.18
63
WBSTD00056Cinepazide Impurity D(E)-2-(4-(3-(3,4,5-trimethoxyphenyl)acryloyl)piperazin-1-yl)acetic acid40104-03-888133-87-3(HCl)C18H24N2O6364.39
64
WBSTD00057Doxylamine EP Impurity B1-phenyl-1-(pyridin-2-yl)ethanol19490-92-7879671-67-7(HCl)C13H13NO199.25
65
WBSTD00058Vitamin B6 Impurity 884-(hydroxymethyl)-2,5-dimethylpyridin-3-ol4811-03-4875-26-3(HCl)C8H11NO2153.18
66
WBSTD00059Aprepitant Impurity 34(2R,3S)-2-((R)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-3-phenylmorpholine171338-33-3874460-46-5(HCl salt)C20H19F6NO2419.36
67
WBSTD00060Vitamin B6 Impurity 571-((3-hydroxy-5-(hydroxymethyl)-2-methylpyridin-4-yl)methyl)-4,5-bis(hydroxymethyl)-2-methylpyridin-1-ium-3-olate18436-47-0873383-14-3(free)C16H20N2O5320.34
68
WBSTD00061hydroxymethanesulfonic acidhydroxymethanesulfonic acid75-92-3870-72-4(sodium salt)CH4O4S112.10
69
WBSTD00062L-Lactic acid(S)-2-hydroxypropanoic acid79-33-4867-56-1(sodium salt)C3H6O390.08
70
WBSTD00063Alogliptin Impurity 30(R)-2,2'-((6-(3-aminopiperidin-1-yl)-2,4-dioxopyrimidine-1,3(2H,4H)-diyl)bis(methylene))dibenzonitrile benzoateNA865759-10-0(free base)C25H24N6O2 C7H6O2440.50 122.12
71
WBSTD00064tert-Butanol2-methylpropan-2-ol75-65-0865-47-4(potassium salt)C4H10O74.12
72
WBSTD00065(1R,3S)-Benazepril HCl2-((S)-3-(((R)-1-ethoxy-1-oxo-4-phenylbutan-2-yl)amino)-2-oxo-2,3,4,5-tetrahydro-1H-benzo[b]azepin-1-yl)acetic acid hydrochloride86541-77-786541-76-6(free base)C24H28N2O5 HCl424.49 36.46
73
WBSTD00066Benazepril HCl2-((S)-3-(((S)-1-ethoxy-1-oxo-4-phenylbutan-2-yl)amino)-2-oxo-2,3,4,5-tetrahydro-1H-benzo[b]azepin-1-yl)acetic acid hydrochloride86541-74-486541-75-5(free base)C24H28N2O5*HCl424.50*36.46
74
WBSTD00067Drotaverine hydrochloride Impurity 181-(3,4-diethoxybenzyl)-6,7-diethoxy-3,4-dihydroisoquinoline 2-(1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydro-7H-purin-7-yl)acetate61954-97-0861-27-8(free base)C24H31NO4*C9H10N4O4397.52*238.20
75
WBSTD00068Calcium Dobesilate Impurity 262-hydroxy-3-methoxybenzenesulfonic acid4753-08-6859188-04-8(potassium salt)C7H8O5S204.20
76
WBSTD00069Metamizole sodium EP Impurity C1,5-dimethyl-4-(methylamino)-2-phenyl-1H-pyrazol-3(2H)-one519-98-2856307-27-2(HCl)C12H15N3O217.27
77
WBSTD00070Rosuvastatin Impurity 94(Rosuvastatin (6S)-Isomer)(3R,5S)-5-((S)-8-fluoro-4-isopropyl-2-(N-methylmethylsulfonamido)-5,6-dihydrobenzo[h]quinazolin-6-yl)-3,5-dihydroxypentanoic acid854898-53-6854898-50-3(1/2Ca)C22H28FN3O6S481.54
78
WBSTD00071Benzydamine Impurity 31-benzyl-2-(3-(dimethylamino)propyl)-1,2-dihydro-3H-indazol-3-one52413-42-085284-06-6(HCl)C19H23N3O309.41
79
WBSTD0007211652 Dispersed RedAluminum, [7-hydroxy-8-[(4-sulfo-1-naphthalenyl)azo]-1,3-naphthal enedisulfonato(3-)]-; aluminum (E)-7-hydroxy-8-((4-sulfonatonaphthalen-1-yl)diazenyl)naphthalene-1,3-disulfonate15876-47-884878-06-8(Deleted)C20H11AlN2O10S3562.47
80
WBSTD00073Afatinib Impurity 85(E)-4-(dimethylamino)but-2-enoic acid149586-32-3848133-35-7(hydrochloride)C6H11NO2129.16
81
WBSTD00074Valaciclovir EP Impurity H(S)-2-((2-amino-6-oxo-1H-purin-9(6H)-yl)methoxy)ethyl 2-aminopropanoate84499-64-984499-63-8(HCl)C11H16N6O4296.28
82
WBSTD00075Sibutramine Impurity 391-(1-(4-chlorophenyl)cyclobutyl)-3-methylbutan-1-amineN/A84484-78-6(HCl)C15H22ClN251.80
83
WBSTD00076Sibutramine Impurity 381-(1-(4-chlorophenyl)cyclobutyl)-N,3-dimethylbutan-1-amine168835-59-484467-94-7(hydrochloride)C16H24ClN265.83
84
WBSTD00077Bedaquiline Fumarate(1R,2S)-1-(6-bromo-2-methoxyquinolin-3-yl)-4-(dimethylamino)-2-(naphthalen-1-yl)-1-phenylbutan-2-ol fumarate845533-86-0843663-66-1(free)C32H31BrN2O2 C4H4O4555.52 116.07
85
WBSTD000782-bromo-2,2-difluoroacetic acid2-bromo-2,2-difluoroacetic acid354-08-584349-27-9(sodium salt)C2HBrF2O2174.93
86
WBSTD000795-Hydroxy Saxagliptin-[13C,D2] TFA SaltBMS 510849-[13C,D2] TFA Salt; M2 Saxagliptin Hydroxylated Metabolite-[13C,D2]; (1S,3S,5S)-2-((S)-2-amino-2-((1r,3R,5S,7S)-3,5-dihydroxyadamantan-1-yl)acetyl-1-13C)-2-azabicyclo[3.1.0]hexane-6,6-d2-3-carbonitrile 2,2,2-trifluoroacetateN/AC1713CH23D2N3O3.C2HF3O2448.44
87
WBSTD00080Nafamostat Impurity 196-carbamimidoylnaphthalen-2-yl 4-aminobenzoate82955-97-382955-98-4(dimethanesulfonate)C18H15N3O2305.34
88
WBSTD00081Calcium Dobesilate Impurity 154-hydroxybenzenesulfonic acid98-67-9825-90-1(sodium salt)C6H6O4S174.17
89
WBSTD00082Nizatidine EP Impurity J2-[(N,N-Dimethylamino)methyl]-4-(hydroxymethyl) thiazole78441-69-782586-70-7(HCl)C7H12N2OS172.25
90
WBSTD00083Sitagliptin EP Impurity A(S)-3-amino-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)butan-1-one phosphate823817-58-9823817-55-6(free base)C16H15F6N5O. H3PO4407.32 97.99
91
WBSTD000841,3-dihydroxypropan-2-yl dihydrogen phosphate1,3-dihydroxypropan-2-yl dihydrogen phosphate17181-54-3819-83-0(2sodium salt);13408-09-8(2sodium salt,5hydrate)C3H9O6P172.07
92
WBSTD00085Warfarin sodiumsodium 2-oxo-3-(3-oxo-1-phenylbutyl)-2H-chromen-4-olate129-06-681-81-2(free)C19H15O4 Na307.33 22.99
93
WBSTD00086Bambuterol EP Impurity C3-(2-(tert-butylamino)-1-hydroxyethyl)-5-hydroxyphenyl dimethylcarbamate81732-67-481732-52-7(HCl salt)C15H24N2O4296.37
94
WBSTD00087Pravastatin EP Impurity A(3R,5R)-3,5-Dihydroxy-7-[(1S,2S,6R,8S,8aR)-6-hydroxy-2-methyl-8-[[(2S)-2-methylbutanoyl]oxy]- 1, 2, 6, 7, 8, 8a-hexahydronaphthalen-1-yl]heptanoic acid250737-12-381176-41-2(sodium salt)C23H35NaO7446.51
95
WBSTD00088Esmolol HClmethyl 3-(4-(2-hydroxy-3-(isopropylamino)propoxy)phenyl)propanoate hydrochloride81161-17-381147-92-4(free base)C16H26ClNO4331.83
96
WBSTD00089Neridronic acid(6-amino-1-hydroxyhexane-1,1-diyl)diphosphonic acid79778-41-980729-79-9(sodium salt)C6H17NO7P2277.15
97
WBSTD00090Bupropion Impurity 29(1S,2R)-2-(tert-butylamino)-1-(3-chlorophenyl)propan-1-olN/A80478-43-9(Hydrochloride)C13H20ClNO241.76
98
WBSTD00091Folic Acid Impurity 78(4S)-4-(4-(3-amino-1-oxo-1,2,5,6,6a,7-hexahydro-8H-imidazo[1,5-f]pteridin-10-ium-8-yl)benzamido)-4-carboxybutanoate807328-63-8804563-04-0(chloride)C20H21N7O6$455.43
99
WBSTD00092Riboflavin-3’-Phosphate(2S,3S,4R)-1-(7,8-dimethyl-2,4-dioxo-3,4-dihydrobenzo[g]pteridin-10(2H)-yl)-2,4,5-trihydroxypentan-3-yl dihydrogen phosphateN/A80400-93-7(sodium salt)C17H21N4O9P456.35
100
WBSTD00093Vitamin B6 Impurity 581-((5-hydroxy-4-(hydroxymethyl)-6-methylpyridin-3-yl)methyl)-4,5-bis(hydroxymethyl)-2-methylpyridin-1-ium-3-olate19203-53-3802860-63-5(free base); 19598-93-7(chloride, hydrochloride)C16H20N2O5320.34