StructureChemical NameCASMF
(1R)-(1S,2S,3R,5S)-PINANEDIOL-N-(N-PYRAZINYLPHENYLALANINOYL)-1-AMINO-3-METHYLBUTANE-1-BORONATE C29H39BN4O4
(1R)-(1S,2S,3R,5S)-PINANEDIOL-N-(N-PYRAZINYLPHENYLALANINOYL)-1-AMINO-3-METHYLBUTANE-1-BORONATE-D8 C29H39BN4O4
(2R,4S,5S,βR,δS)-5,β,δ-Trimethyl-2-(p-methoxyphenyl)-1,3-dioxane-4-(butan-1-ol)
(2R,3S,4S,5R,6S,7R)-1-Benzyloxy-7-(4-methoxybenzyloxy)-2,4,6-trimethylnonane-3,5,6-triol C27H40O6
(2R,4S)-4-[(1S)-2β-[2-[(4R,6S)-6-[2-(tert-Butyldiphenylsilyloxy)ethyl]-2,2-dimethyl-1,3-dioxan-4-yl]ethyl]-3β-methyl-6-oxo-4-cyclohexen-1α-yl]-4-(triethylsilyloxy)-2-ethylbutanal
(22R,24S,25S,26R)-6α,7α:22,26:24,25-Triepoxy-5,26-dihydroxy-5α-ergost-2-en-1-one 38788-88-4 C28H40O6
(22R,24S,25S,26R)-6α,7α:22,26:24,25-Triepoxy-5,17α,26-trihydroxy-5α-ergost-2-en-1-one 53512-56-4 C28H40O7
(22R,24S,25S,26R)-6α,7α:16α,26:22,26:24,25-Tetraepoxy-5-hydroxy-5α-ergost-2-en-1-one 75005-65-1 C28H38O6
[1R,4S,21S,24R,(+)]-3,3,22,22-Tetramethyl-5,8,11,14,17,20-hexaoxatricyclo[19.4.0.04,24]pentacosane C23H42O6
(1R,5S,9S,12R)-1α,2α:12,17:15,16:18,19-Tetraepoxycleroda-14,16(13)-diene-17,19-dione
(22R,24S,25S,26R)-6α,7α:22,26:24,25-Triepoxy-5,26-dihydroxy-5α-ergost-2-ene-1,12-dione 38788-89-5 C28H38O7
(22R,24S,25S,26R)-6α,7α:22,26:24,25-Triepoxy-5,16α,26-trihydroxy-5α-ergost-2-en-1-one 75005-66-2 C28H40O7
(7R)-8-[(2S,3S,4R)-2,3,4,5-Tetrahydroxypentyl]6,7-bis(trifluoromethyl)-7-hydroxy-7,8-dihydropteridine-2,4(1H,3H)-dione C13H14F6N4O7
(22R,24S,25S,26R)-6α,7α:22,26:24,25-Triepoxy-5,26-dihydroxy-D(17a)-homo-18-nor-5α-ergosta-2,13,15,17-tetren-1-one 40071-64-5 C28H34O6
(1R,3S,5S,7R)-1,3,5,7-Tetramethyl-2,4,6-triselenatricyclo[3.3.1.13,7]decan-8-one
(1R,2S,3S,4R)-1,2,3,4-Tetrahydro-7-methyl-1,2-epoxybenzo[a]anthracene-3,4-diol C19H16O3
(4R,5S,6S,7R)-1,3,4,7-tetrabenzyl-5,6-dihydroxy-1,3-diazepan-2-one 153223-23-5 C33H34N2O3
(3R,4S,5S,6R)-3,4,5,6-tetrahydroxyoxepan-2-one 2426-46-2 C6H10O6
[(2R,3S,4S,5R)-1,2,4,5-tetraacetyloxy-6-oxo-hexan-3-yl] acetate 6763-46-8 C16H22O11
[1R,2S,3S,4S,(+)]-2-(Methoxycarbonyl)bicyclo[2.2.1]heptane-3-carboxylic acid C10H14O4
(1R,2S,3S,5S)-8-METHYL-3-(4-NITRO-PHENYL)-8-AZA-BICYCLO[3.2.1]OCTANE-2-CARBOXYLIC ACID METHYL ESTER 127279-73-6 C16H20N2O4
(1R,2S,6S,9S)-9-methyl-2-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-3-oxabicyclo[4.3.0]non-4-ene-5-carboxylic acid 22487-36-1 C16H24O9
(3R,4S,5S)-tert-butyl 3-Methoxy-5-Methyl-4-(MethylaMino)heptanoate hydroc hloride 120205-48-3 C14H30ClNO3
(2R,3S,4S)-2-(tert-Butyldimethylsiloxy)-4-methyl-5-hexene-3-ol C13H28O2Si
(1R,4S,6S)-4-tert-Butylbicyclo[4.1.0]heptan-2-one [(2R,3R)-2,3-butanediyl]acetal C15H26O2
2-[[(2R,4S,5S)-5-(tert-Butoxycarbonylamino)-2-benzyl-4-hydroxy-6-phenylhexanoyl]amino]acetamide C26H35N3O5
(1R,4S,6S)-4-tert-Butylbicyclo[4.1.0]heptan-2-one [(2S,3S)-2,3-butanediyl]acetal C15H26O2
(1R,4S,6S)-4-tert-Butylbicyclo[4.1.0]heptan-2-one ethylene acetal C13H22O2
[(2R,4S,5S)-5-(tert-Butoxycarbonylamino)-2-benzyl-4-hydroxy-6-phenylhexanoyl]-L-Ile-L-Phe-NH2
(R)-2-[(2S,3S)-3β-[(tert-Butyldimethylsiloxy)methyl]-4-oxoazetidin-2α-yl]propionic acid
(3R,5S,5'S)-4,5,7',8'-Tetrahydro-6'β,8'aβ(4'aH)-epoxy-5-(furan-3-yl)-2'α-methyl-6'α-hydroxy-4'aα-(acetoxymethyl)dispiro[furan-3(2H),1'(2'H)-naphthalene-5'(6'H),2''-oxirane]-2,4'(3'H)-dione
(2R,3S,4S)-2,3,4,5-Tetrahydroxypentanoic acid methyl ester C6H12O6
(1R,5S,6S)-1,3,5,6-Tetraphenyl-2-oxabicyclo[3.1.0]hex-3-ene C29H22O
(1R,3S,4S)-2-(tert-butoxycarbonyl)-2-azabicyclo[2.2.1]heptane-3-carboxylic acid C12H19NO4
(1R,2S,5S)-3-(TERT-BUTOXYCARBONYL)-3-AZABICYCLO[3.1.0]HEXANE-2-CARBOXYLIC ACID C11H17NO4
(1R,2S,5S)-2β-[(1R,2Z)-1-(Triethylsilyloxy)-2-octenyl]-3-oxo-5α-(tributylsilyloxy)cyclopentane-1α-acetic acid ethyl ester
(2R,5S,6S,8S,10R)-8-Acetyloxy-10-methyl-2-(1-methylethenyl)spiro[4.5]decane-6-methanol acetate C19H30O4
(2R,2'S,4S,4'S,5R,5'R)-Octahydro-4-chloro-4'-bromo-5-[(2Z)-2-penten-4-ynyl]-5'-ethyl[2,2'-bifuran] C15H20BrClO2
(4R,5S,8S,9S,10R,12R)-15β-Acetoxy-7β-[[(Z)-2-methyl-1-oxo-2-butenyl]oxy]atis-16-en-18-oic acid methyl ester 72154-93-9 C28H40O6
(1'R,2S,2'α,4S,5S,1R)-5,7'β-Dibromo-4-chloro-4,4'α,6',6'-tetramethylspiro[cyclohexane-1,5'-[3,8]dioxatricyclo[5.1.0.02,4]octan]-2-ol 55304-01-3 C15H21Br2ClO3
(2R,5S,6S,8S,10R)-8-Acetyloxy-10-methyl-2-(1-methylethenyl)spiro[4.5]decane-6-carbaldehyde C17H26O3
(2R,5S,6S,8S,9R,10R)-8,9-Dihydroxy-10-methyl-2-(1-methylethenyl)spiro[4.5]decane-6-carbaldehyde C15H24O3
(2R,5S,6S,8S,10R)-8-Acetyloxy-10-methyl-2-(1-methylethenyl)spiro[4.5]decane-6-methanol C17H28O3
(2R,5S,6S,8S,10R)-8-Hydroxy-10-methyl-2-(1-methylethenyl)spiro[4.5]decane-6-methanol 6-acetate C17H27O4-
(1R,1'S,3'S,7S,5R,5'R,9S,9'R,9aR,9'aR)-9,9'-(1,5-Pentanediyl)[7,3'-dimethyl[1,1'-(1,5-pentanediyl)bis(octahydro-2H-quinolizine)]]-2',8-dione
Validamine 32780-32-8 C7H15NO4
(8R,9S,13S,14S,16R)-13-METHYL-7,8,9,11,12,13,14,15,16,17-DECAHYDRO-6H-CYCLOPENTA[A]PHENANTHRENE-3,16,17-TRIOL C18H24O3
(2R,3S,4S,5S,6R)-2-[(2S,3S,4S,5R,6R)-3,5-dihydroxy-2-methoxy-6-[[(2R,3S,4S,5R)-3,4,5-trihydroxyoxan-2-yl]oxymethyl]oxan-4-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol 108795-32-0 C18H32O15
(2R)-2-[(3S,5S,10S,13R,14R,17R)-3-hydroxy-4,4,10,13,14-pentamethyl-2,3 ,5,6,7,11,12,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-17-yl]-6-m ethyl-5-methylidene-heptanoic acid 560-66-7 C31H50O3
(1R,2S)-2-({[(1S,2S)-2-({[(1R,2S)-2-carboxycyclohexyl]carbonyl}amino)cyclohexyl]amino}carbonyl)cyclohexanecarboxylic acid C22H34N2O6
(4R,5S,6S)-3-[[(3S,5S)-5-[[(Aminosulfonyl)amino]methyl]-1-[[(4-nitrophenyl)methoxy]carbonyl]-3-pyrrolidinyl]thio]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid (4-nitrophenyl)methyl ester 491878-07-0 C30H34N6O12S2
(4R,5S,6S)-3-[[(3S,5S)-1-[3-[[[(2S,4S)-4-[[(4R,5S,6S)-2-Carboxy-6-[(1R)-1-hydroxyethyl]-4-Methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-en-3-yl]thio]-2-pyrrolidinyl]carbonyl]aMino]benzoyl]-5-[[(3-carboxyphenyl)aMino]carbonyl]-3-pyrrolidinyl]thio]-6-[(1R)-1-hydroxyethyl]-4-Methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic Acid 1199797-43-7 C44H48N6O13S2
(4R,5S,6S)-3-[[(3S,5S)-5-[[(3-Carboxyphenyl)aMino]carbonyl]-1-[[(4R,5S,6S)-3-[[(3S,5S)-5-[[(3-carboxyphenyl)aMino]carbonyl]-3-pyrrolidinyl]thio]-6-[(1R)-1-hydroxyethyl]-4-Methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-en-2-yl]carbonyl]-3-pyrrolidinyl]thio]-6-[(1R)-1-hydroxyethyl]-4-Methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic Acid 402955-37-7 C44H48N6O13S2
(4R,5S,6S)-3-[[(3S,5S)-5-[[[3-[[(1R,2S)-2-Carboxy-2-[(2S,3R)-5-carboxy-4-[[(3S,5S)-5-[[(3-carboxyphenyl)aMino]carbonyl]-3-pyrrolidinyl]thio]-3,4-dihydro-3-Methyl-2H-pyrrol-2-yl]-1-Methylethoxy]carbonyl]phenyl]aMino]carbonyl]-3-pyrrolidinyl]thio]-6-[(1R)-1-hydroxyethyl]-4-Methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic Acid 402955-38-8 C44H50N6O14S2
Ertapenem Dimer Form D Impurity 1199797-41-5 C44H50N6O14S2
(4R,5S,10S)-10-[(S)-[[(S)-3,6-Dihydro-6-oxo-2H-pyran]-2-yl]hydroxymethyl]-5,9,10,11-tetrahydro-4-hydroxy-5-[(R)-1-hydroxyheptyl]-1H-cyclonona[1,2-c:5,6-c']difuran-1,3,6,8(4H)-tetrone triacetate
(3R,4S,5S,6S,7S,8R,10S,11S,12R,13R,14S)-15-[[(1,1-Dimethylethyl)diphenylsilyl]oxy]-4,6,8,10,12,14-hexamethyl-5,7,11,13-tetrakis(phenylmethoxy)-3-pentadecanol C65H86O6Si
(1R,3S,6S)-3-[(1S,2S,5S)-1,2,3,4,5,6-Hexahydro-2,5-dimethyl-3-oxopentalen-1-yl]-3,7,7-trimethylbicyclo[4.1.0]heptane-2,4-dione 77820-41-8
2-[(3R,4S,8S,9S,10S,11R,13R,14S,16S)-16-ACETOXY-3,11-DIHYDROXY-4,8,10,14-TETRAMETHYL-HEXADECAHYDRO-CYCLOPENTA[A]PHENANTHREN-(17E)-YLIDENE]-6-METHYL-HEPT-5-ENOIC ACID C31H48O6
(8R,9S,10S,13S,14S)-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,17-diol 5856-10-0 C19H32O2
(4R)-4-[(5S,7S,8S,9S,10S,12S,13R,14S,17R)-7,12-dihydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]pentanoic acid 84413-81-0 C24H40O4
(3R,5S,10S,13S,17S)-4,4,10,13-tetramethyl-17-[(2R)-6-methylhept-5-en-2-yl]-1,2,3,5,6,7,11,12,16,17-decahydrocyclopenta[a]phenanthren-3-ol 64284-64-6 C29H46O
Meropenem Trihydrate 119478-56-7 C17H27N3O6S
(2R,3S,10S,13S,16S,17R)-10,13-dimethyl-2-morpholino-16-(pyrrolidin-1-yl)-hexadecahydro-1H-cyclopenta[a]phenanthrene-3,17-diol C27H46N2O3
(4R)-4-[(3S,5S,7S,8S,9S,10R,13R,14S,17R)-3,7-dihydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]pentanoic acid 78919-26-3 C24H40O4
(3R,5S,8S,9S,10S,13R,14S,17S)-17-acetyl-3-hydroxy-10,13-dimethyl-1,2,3 ,4,5,6,7,8,9,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-11- one: [2-[(3R,5S,8S,9S,10S,13R,14S,17S)-3-hydroxy-10,13-dimethyl-11-oxo -1,2,3,4,5,6,7,8,9,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthr en-17-yl]-2-oxo-ethyl] acetate 8067-82-1 C44H66O8
(1R,2S,5S)-3-[(S)-2-(3-TERT-BUTYL-UREIDO)-3,3-DIMETHYL-BUTYRYL]-6,6-DIMETHYL-3-AZA-BICYCLO[3.1.0]HEXANE-2-CARBOXYLIC ACID 816444-90-3 C19H33N3O4
(1R,2S,5S)-3-((S)-2-(3-(1-(tert-butylsulfonylMethyl)cyclohexyl)ureido)-3,3-diMethylbutanoyl)-N-((3S)-1-(cyclopropylaMino)-2-hydroxy-1-oxoheptan-3-yl)-6,6-diMethyl-3-azabicyclo[3.1.0]hexane-2-carboxaMide 1208245-90-2 C36H63N5O7S
(1R,2S,5S)-3-((S)-2-(3-(1-(tert-butylsulfonylMethyl)cyclohexyl)ureido)-3,3-diMethylbutanoyl)-6,6-diMethyl-3-azabicyclo[3.1.0]hexane-2-carboxylic acid 1229337-32-9 C26H45N3O6S
(2R,6S,8S,9S)-1,1,9-Trimethyl-2,9-dibromo-5-methylene-8-chlorospiro[5.5]undecane 73436-46-1 C15H23Br2Cl
(4R)-2-[(1S,2S,3S)-1,2,3,4-Tetrahydroxybutyl]thiazolidine-4α-carboxylic acid
(3R,4S,7S)-7-[(S)-2-(tert-Butyloxycarbonylamino)-3-phenylpropanoylamino]-4-(cyclohexylmethyl)-3-hydroxy-1-oxa-5,9-diazacyclotridecane-2,6,10-trione C31H46N4O8
(3R,4S,7S)-7-[(S)-2-(tert-Butyloxycarbonylamino)-3-phenylpropanoylamino]-4-(cyclohexylmethyl)-3-hydroxy-1-oxa-5,11-diazacyclotetradecane-2,6,10-trione C32H48N4O8
(3R,4S,7S)-7-[(S)-2-(tert-Butyloxycarbonylamino)-3-phenylpropanoylamino]-4-(cyclohexylmethyl)-3-hydroxy-1-oxa-5,9-diazacyclotetradecane-2,6,10-trione C32H48N4O8
(2R,3S,4S,5S)-2,3,4,5-Tetrahydroxyhexanediamide 6614-50-2 C6H12N2O6
22(S),23(S)-Homobrassinolide 80483-89-2 C29H50O6
(2R,3S,4S,5S,6Z)-4,5-Bis(tert-butyldimethylsilyloxy)-6-octene-1,2,3,8-tetrol 1,8-diacetate C24H48O8Si2
(7R,8S,9S)-Trihydroxy-10S(N2-deoxyguanosyl-3'-phosphate)-7,8,9,10-tetrahydrobenzo[a]pyrene TriethylaMine C36H43N6O10P
(2R,3S,4S)-2,3,4-Trimethoxy-5-hexenal C9H16O4
(2R,3S,4S)-2-Triphenylmethoxy-4-methyl-5-hexen-3-ol C26H28O2
(3R,4S,5S)-2,5,8-Trimethyl-5-(diphenylphosphinyl)-7-nonene-3,4-diol C24H33O3P
(1R,2S,5S)-2,7,7-Trimethylbicyclo[3.1.1]heptane-2-ol C10H18O
(2R,3S,4S)-2,3,4-trihydroxy-5-methylsulfanyl-pentanal 23656-67-9 C6H12O4S
(2R,3S,4S)-2-Undecyl-4-methyl-5-oxotetrahydrofuran-3-carboxylic acid 70579-56-5 C17H30O4
(1R,4S,7-syn)-7-Chloro-1-methylbicyclo[2.2.1]heptan-2-one 75819-72-6 C8H11ClO
(1R,4S,7-syn)-7-Methoxymethylbicyclo[2.2.1]hept-2-en-5-one
3-[(1R,5S,9-syn)-9-Methoxy-3-methyl-3-azabicyclo[3.3.1]nonan-9-yl]phenol 42471-68-1 C16H23NO2
(1R,4S,7-syn)-5-Chloro-5-cyano-7-(methoxymethyl)bicyclo[2.2.1]hept-2-ene
(1R,5S,9-syn)-1-Phenylbicyclo[3.3.1]non-2-en-9-ol 42541-43-5 C15H18O
3-[(1R,5S,9-syn)-9-Methoxy-3-phenethyl-3-azabicyclo[3.3.1]nonan-9-yl]phenol 42471-70-5 C23H29NO2
(1R,5S,8-syn)-8-Chloro-5-methoxy-6-methyl-6-azabicyclo[3.2.1]octane
(1R,5S,8-syn)-5-Methoxy-6-methyl-6-azabicyclo[3.2.1]octan-8-ol
R-STONE-E3
(1R,5S,9-syn)-3,9-Dimethyl-3-azabicyclo[3.3.1]nonan-9-ol 54411-15-3 C10H19NO
(1R,5S,8-syn)-3α-[(R)-3-Hydroxy-1-oxo-2-phenylpropoxy]-8-methyl-8-isopropyl-8-azoniabicyclo[3.2.1]octane
(1R,8S,10S,2Z,6E)-3-(Hydroxymethyl)-7-methyl-8-hydroxy-11-methylene-13-oxabicyclo[8.3.0]tridecane-2,6-diene-12-one 11054-57-2 C15H20O4
(2R,3S,4S,6Z)-3-Hydroxy-4-methyl-2-[N-(9-phenyl-9H-fluoren-9-yl)methylamino]-6-octenoic acid C29H31NO3
(1’R,2S)-2-(2’-Tosyl-1’,2’-dihydroxyethyl)-6-fluorochromane 303176-40-1 C18H19FO5S
(R,S)-1-Tosyl Glycerol-d5 928623-32-9 C10H9D5O5S
(R,S)-1-TOSYLGLYCEROL C10H14O5S
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