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Folcysteine
Folcysteine, a vitamin, is a cysteine derivative that acts as a potential antitumor agent. Synonyms: N-[4-[[(2-Amino-3,4-dihydro-4-oxo-6-pteridinyl)methyl]amino]benzoyl]-L-Glutamic Acid Mixture With (4R)-3-Acetyl-4-thiazolidinecarboxylic Acid; N-[4-[[(2-Amino-1,4-dihydro-4-oxo-6-pteridinyl)methyl]amino]benzoyl]-L-Glutamic acid Mixture With (R)-3-Acetyl-4-thiazolidinecarboxylic Acid; Ergostim; FOP; Folcysteine FOP. Grades: 96%. CAS No. 8064-47-9. Molecular formula: C25H28N8O9S. Mole weight: 616.60.
Folitixorin Calcium
Folitixorin Calcium is a medication undergoing phase III clinical trials for the treatment of colorectal cancer and phase II clinical trials for advanced pancreatic cancer. Synonyms: Cofactor; ANX-510; ANX 510; ANX510. Grades: ≥95%. CAS No. 133978-75-3. Molecular formula: C20H21CaN7O6. Mole weight: 495.51.
Fomesafen
Fomesafen is a protoporphyrinogen oxidae (PPO) inhibitor. Synonyms: Fomesafene; 5-(2-Chloro-4-(trifluoromethyl)phenoxy)-N-(methylsulfonyl)-2-nitrobenzamide; Reflex. Grades: 95%. CAS No. 72178-02-0. Molecular formula: C15H10ClF3N2O6S. Mole weight: 438.76.
Formyl DO2A is an impurity of Gadoteridol. Gadoterido is a gadolinium-based MRI contrast agent. It is sold under the brand name ProHance. Grades: > 95%. Molecular formula: C13H24N4O5. Mole weight: 316.35.
Fondaparinux sodium impurity 1
Fondaparinux sodium impurity 1 is an impurity of fondaparinux sodium primarily utilized for the prevention and therapy of deep vein thrombosis (DVT) and pulmonary embolism (PE). Synonyms: UNII-3S9ZQK69SK3S9ZQK69SK; 348625-84-3; (2R,3R,4S)-4-hydroxy-2-[(2R,3S,4R,5R,6S)-4-hydroxy-6-methoxy-5-(sulfoamino)-2-(sulfooxymethyl)oxan-3-yl]oxy-3-sulfooxy-3,4-dihydro-2H-pyran-6-carboxylic acidalpha-D-Glucopyranoside, methyl 2-deoxy-4-O-(4-deoxy-2-O-sulfo-alpha-L-threo-hex-4-enopyranuronosyl)-2-(sulfoamino)-, 6-(hydrogen sulfate). Grades: > 95%. CAS No. 348625-84-3. Molecular formula: C13H17NO19S3Na4. Mole weight: 679.43.
foretinib
Potent inhibitor of MET, VEGFR2, Ron and AXL (IC50 values are 0.4, 0.9, 3 and 11 nM, respectively). Also potently inhibits Tie-2, Flt-1, Flt-3, Flt-4, KIT, PDGFRalpha and PDGFRbeta. Inhibits migration and invasion of B16F10 melanoma cells in vitro. Suppresses B16F10 tumor growth and metastasis in mice. Synonyms: XL880; XL 880; XL-880; GSK1363089; GSK 1363089; GSK-1363089; GSK089; EXEL2880; Foretinib. CAS No. 849217-64-7. Molecular formula: C34H34F2N4O6. Mole weight: 632.665.
Formoterol Benzylic Glucuronide (mixture of diastereomers)
Formoterol Fumarate Dihydrate EP Impurity I is a stereoisomer of Formoterol. Synonyms: rel-(R,S)-Formoterol; anti-rac-Formoterol; rel-N- [2-Hydroxy-5- [ (1R) -1-hydroxy-2- [ [ (1S) -2- (4-methoxyphenyl) -1-methylethyl] amino] ethyl] phenyl] formamide. Grades: > 95%. CAS No. 532414-36-1. Molecular formula: C19H24N2O4. Mole weight: 344.41.
Formoterol Fumarate Dihydrate EP Impurity I (R,S-isomer) ((R,S)-Formoterol)
Formoterol Fumarate Dihydrate EP Impurity I (R,S-isomer) ((R,S)-Formoterol) is an impurity of Formoterol Fumarate Dihydrate, a drug used for the therapy of various respiratory disorders, including asthma and chronic obstructive pulmonary disease (COPD). Synonyms: Formamide, N-[2-hydroxy-5-[1-hydroxy-2-[[2-(4-methoxyphenyl)-1-methylethyl]amino]ethyl]phenyl]-, [R-(R*,S*)]-. Grades: > 95%. CAS No. 67346-51-4. Molecular formula: C19H24N2O4. Mole weight: 344.41.
Formoterol Fumarate Dihydrate EP Impurity I (S,R-isomer)
Formoterol Fumarate Dihydrate EP Impurity I (S,R-isomer) is an extensively refined derivative of Formoterol Fumarate Dihydrate. Formoterol Fumarate Dihydrate is an indispensable long-acting beta2-adrenergic agonist (LABA) bronchodilator. Synonyms: (S,R)-Formoterol; Formamide, N-[2-hydroxy-5-[1-hydroxy-2-[[2-(4-methoxyphenyl)-1-methylethyl]amino]ethyl]phenyl]-, [S-(R*,S*)]-. Grades: > 95%. CAS No. 67346-50-3. Molecular formula: C19H24N2O4. Mole weight: 344.41.
Formoterol Hemifumarate
Formoterol Hemifumarate is a potent, selective and long-acting β2-adrenoceptor agonist to β2 and β1 receptors with pKd of 8.12 and 5.58, respectively. Uses: Bronchodilator agents. Synonyms: Formamide, N-[2-hydroxy-5-[(1R)-1-hydroxy-2-[[(1R)-2-(4-methoxyphenyl)-1-methylethyl]amino]ethyl]phenyl]-, rel-, (2E)-2-butenedioate (2:1) (salt); Formamide, N-[2-hydroxy-5-[1-hydroxy-2-[[2-(4-methoxyphenyl)-1-methylethyl]amino]ethyl]phenyl]-, (R*,R*)-(±)-, (E)-2-butenedioate (2:1) (salt); Aformoterol; Atock; BD 40A; CGP 25827A; Eformoterol fumarate; Foradil; Foradil; Acrolizer; Foradil Aerolizer; Foradil Certihaler; Formamide, N-[2-hydroxy-5-[1-hydroxy-2-[[2-(4-methoxyphenyl)-1-methylethyl]amino]ethyl]phenyl]-, (R*,R*)-, (E)-2-butenedioate (2:1) (salt); Formoterol fumarate; NSC 299587; Oxis pMDi; YM 08316; rel-N- [2-Hydroxy-5- [ (1R) -1-hydroxy-2- [ [ (1R) -2- (4-methoxyphenyl) -1-methylethyl] amino] ethyl] phenyl] formamide Fumarate. Grades: >98%. CAS No. 43229-80-7. Molecular formula: C19H24N2O4.1/2C4H4O4. Mole weight: 402.40.
Formoterol Impurity A (Mixture of Diastereomers)
Formoterol Impurity A (Mixture of Diastereomers) is an impurity of formoterol. Primarily harnessed for treating asthma and chronic obstructive pulmonary afflictions, formoterol thrives as a therapeutic entity. Synonyms: 1-(3-Amino-4-hydroxyphenyl)-2-((2-(4-methoxyphenyl)-1-methylethyl)amino)ethanol; UNII-GJY78AX70Q; GJY78AX70Q; DeformylFormoterol (MixtureofDiastereomers); 2-amino-4-[1-hydroxy-2-[1-(4-methoxyphenyl)propan-2-ylamino]ethyl]phenol; SCHEMBL593753; CS-0166465; Q27279126; Deformyl Formoterol Dihydrochloride(Mixture of Diastereomers); FORMOTEROL FUMARATE DIHYDRATE IMPURITY A [EP IMPURITY]; 3-Amino-4-hydroxy-alpha- [ [ [2- (4-methoxyphenyl) -1-methylethyl] amino] methyl] benzenemethanol; (+/-)-1-(3-AMINO-4-HYDROXYPHENYL)-2-((2-(4-METHOXYPHENYL)-1-METHYLETHYL)AMINO)ETHANOL; 2-Amino-4-(1-hydroxy-2-((1-(4-methoxyphenyl)propan-2-yl)amino)ethyl)phenol (Formoterol Impurity); 2-HYDROXY-5-(1-HYDROXY-2-((2-(4-METHOXYPHENYL)-1-METHYLETHYL)AMINO)ETHYL)PHENYLAMINE; BENZENEMETHANOL, 3-AMINO-4-HYDROXY-.ALPHA.-(((2-(4-METHOXYPHENYL)-1-METHYLETHYL)AMINO)METHYL)-. Grades: > 95%. CAS No. 150513-24-9. Molecular formula: C18H24N2O3. Mole weight: 316.40.
Formoterol Impurity B
Formoterol Impurity B is an impurity of Formoterol, a bronchodilator used to treat asthma and chronic obstructive pulmonary disease (COPD). Synonyms: N-[2-hydroxy-5-[(1RS)-1-hydroxy-2-[[2-(4- methoxyphenyl) ethyl]amino]ethyl]phenyl]formamide. Grades: > 95%. CAS No. 1224588-66-2. Molecular formula: C18H22N2O4. Mole weight: 330.39.
Formoterol Impurity C
Formoterol Impurity C is an impurity of Formoterol, a medication used to treat bronchospasm associated with asthma and chronic obstructive pulmonary disease (COPD). Grades: > 95%. Molecular formula: C20H26N2O4. Mole weight: 358.44.
Formoterol tartrate is a salt form of Formoterol. Formoterol is a beta 2 adrenergic receptor agonist that can be used in the treatment of asthma and COPD. It has an extended duration of action (up to 12 hours) compared to short-acting β2 agonists such as salbutamol (4-6 hours). Formoterol can be used as "symptom controllers" to supplement prophylactic corticosteroid therapy. Synonyms: N-[2-Hydroxy-5-[(1R)-1-hydroxy-2-[[(1R)-2-(4-methoxyphenyl)-1-methylethyl]amino]ethyl]phenyl]-formamide, (2R,3R)-2,3-dihydroxybutane-dioate; Arformoterol Tartrate. CAS No. 200815-49-2. Molecular formula: C23H30N2O10. Mole weight: 494.497.
Fosaprepitant Dibenzyl Ester is a reactant in the synthesis of Fosaprepitant, which is a selective neurokinin-1 (NK-1) receptor antagonist used as an antiemetic drug. Synonyms: [3-[[(2R,3S)-2-[(1R)-1-[3,5-bis(Trifluoromethyl)phenyl]ethoxy]-3-(4-fluorophenyl)-4-morpholinyl]methyl]-2,5-dihydro-5-oxo-1H-1,2,4-triazol-1-yl]-phosphonic Acid bis(Phenylmethyl) Ester; Dibenzyl Fosaprepitant; Fosaprepitant Impurity 16; Phosphonic acid, P-[3-[[(2R,3S)-2-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluorophenyl)-4-morpholinyl]methyl]-2,5-dihydro-5-oxo-1H-1,2,4-triazol-1-yl]-, bis(phenylmethyl) ester; 2-Bis(phenylmethoxy)phosphoryl-5-[[(2R,3S)-2-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluorophenyl)morpholin-4-yl]methyl]-4H-1,2,4-triazol-3-one. Grades: >95%. CAS No. 265121-01-5. Molecular formula: C37H34F7N4O6P. Mole weight: 794.65.
Fosaprepitant Morpholine
Fosaprepitant Morpholine is an impurity of Fosaprepitant, which is a selective neurokinin-1 (NK-1) receptor antagonist used as an antiemetic drug. Synonyms: Fosaprepitant Impurity 27; Morpholine, 2-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluorophenyl)-, (2S,3S)-; Aprepitant M2 Metabolite (1R,2S,3S)-Isomer; Aprepitant impurity 20; (2S,3S)-2-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluorophenyl)morpholine. Grades: ≥95%. CAS No. 170902-80-4. Molecular formula: C20H18F7NO2. Mole weight: 437.35.
Fosaprepitant N-oxide
Fosaprepitant N-oxide is an impurity of Fosaprepitant, which is a selective neurokinin-1 (NK-1) receptor antagonist used as an antiemetic drug. Synonyms: (3-{[(2R,3S)-2-{(1R)-1-[3,5-Bis(trifluoromethyl)phenyl]ethoxy}-3-(4-fluorophenyl)-4-oxido-4-morpholinyl]methyl}-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)phosphonic acid; Phosphonic acid, [3-[[(2R,3S)-2-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluorophenyl)-4-oxido-4-morpholinyl]methyl]-4,5-dihydro-5-oxo-1H-1,2,4-triazol-1-yl]-. Molecular formula: C23H22F7N4O7P. Mole weight: 630.41.
Fosfestrol Tetrasodium Salt
Fosfestrol is an estrogen medication used in the treatment of prostate cancer in men. Synonyms: sodium (E)-hex-3-ene-3,4-diylbis(4,1-phenylene) bis(phosphate); 4,4'-Dihydroxy-alpha,alpha'-diethyl-stilben-diphosphate tetrasodium; Diethylstilbestrol 4,4'-di(disodium phosphate); Diethylstilbestrol diphosphate tetrasodium salt; Honvol; ST 52-Asta; Sodium diethylstilbesterol diphosphate; Stilbestrol diphosphate sodium; Stilbostatin; Tetrasodium fosfestrol. Grades: 98%. CAS No. 4719-75-9. Molecular formula: C18H18Na4O8P2. Mole weight: 516.24.
Fosfomycin calcium hydrate is the salt of Fosfomycin, which is an antibiotic with broad spectrum antibacterial activity. Synonyms: Fosfomycin calcium monohydrate; calcium ((2R,3S)-3-methyloxiran-2-yl)phosphonate hydrate; Phosphonic acid, (1,2-epoxypropyl)-, calcium salt (1:1), monohydrate, cis-(-)-; Calcium [(2R,3S)-3-methyl-2-oxiranyl]phosphonate hydrate (1:1:1); Phosphonic acid, [(2R,3S)-3-methyloxiranyl]-, calcium salt, hydrate (1:1:1). Grades: ≥95%. CAS No. 26469-67-0. Molecular formula: C3H7CaO5P. Mole weight: 194.14.
Fosfomycin Diastereomer 1
Fosfomycin Diastereomer 1 is one of fosfomycin impurities. Fosfomycin is an antibiotic that exerts a broad spectrum of antibacterial activity. It was produced by certain Streptomyces species. Synonyms: Fosfomycin isomer impurity 2. Grades: > 98%. CAS No. 27357-50-2. Molecular formula: C3H7O3P. Mole weight: 122.06.
Fosfomycin Diastereomer 2
Fosfomycin Diastereomer 2 is one of fosfomycin impurities. Fosfomycin is an antibiotic that exerts a broad spectrum of antibacterial activity. It was produced by certain Streptomyces species. Synonyms: (3-Methyloxiran-2-yl)phosphonic acid; 23112-90-5; 45629-00-3; [[2S,3R,(+)]-3-Methyloxiran-2-yl]phosphonic acid; 1,2-EPOXYPROPYLPHOSPHONIC ACID; MK-0955 (sodium); Fosfomycin (sodium); 26017-03-8; Spectrum_001433; Spectrum2_000686; Spectrum3_001496; Spectrum4_000160; Spectrum5_001206; Lopac0_000959; BSPBio_003111; KBioGR_000640; KBioSS_001913; DivK1c_000933; SCHEMBL989825; SPBio_000811; CHEMBL1555455; KBio1_000933; KBio2_001913; KBio2_004481; KBio2_007049; KBio3_002611; DTXSID30860295; NINDS_000933; IDI1_000933; P-(3-Methyl-2-oxiranyl)phosphonic acid; NCI60_000816; EN300-7598245; Hydrogen (2R,3S)-3-methyloxiran-2-ylphosphonic acid; ffm. Grades: > 98%. CAS No. 45629-00-3. Molecular formula: C3H7O4P. Mole weight: 138.06.
Fosfomycin Enantiomer
Fosfomycin Enantiomer is one of fosfomycin impurities. Fosfomycin is an antibiotic that exerts a broad spectrum of antibacterial activity. It was produced by certain Streptomyces species. Synonyms: 1S,2R-1,2-epoxypropyl phosphonic acid; cis-Epoxy-1,2-propyl-phosphonsaeure; cis-(2-Methyloxiranyl)-phosphonic acid; [[2S,3R,(+)]-3-Methyloxiran-2-yl]phosphonic acid. Grades: > 98%. CAS No. 26017-03-8. Molecular formula: C3H7O4P. Mole weight: 138.06.
Fosfomycin Impurity 1
Fosfomycin Impurity 1 is one of fosfomycin impurities. Fosfomycin is an antibiotic that exerts a broad spectrum of antibacterial activity. It was produced by certain Streptomyces species. Molecular formula: C3H9O5P.C4H11NO3. Mole weight: 277.21.
Fosfomycin Impurity 2
Fosfomycin Impurity 2 is one of fosfomycin impurities. Fosfomycin is an antibiotic that exerts a broad spectrum of antibacterial activity. It was produced by certain Streptomyces species. Molecular formula: C3H7O3P.C8H11N. Mole weight: 243.24.
Fosfomycin Impurity 3
Fosfomycin Impurity 3 is one of fosfomycin impurities. Fosfomycin is an antibiotic that exerts a broad spectrum of antibacterial activity. It was produced by certain Streptomyces species. Molecular formula: C3H7O3P.C8H11N. Mole weight: 243.24.
Fosfomycin Impurity 4
Fosfomycin Impurity 4 is one of fosfomycin impurities. Fosfomycin is an antibiotic that exerts a broad spectrum of antibacterial activity. It was produced by certain Streptomyces species. Synonyms: 1-propyl phosphonic acid cyclic anhydride; n-propylphosphonic acid; Dihydrogen Propylphosphonate. Grades: 95 %. CAS No. 4672-38-2. Molecular formula: C3H9O3P. Mole weight: 124.08.
Fosfomycin Impurity 5
Fosfomycin Impurity 5 is one of fosfomycin impurities. Fosfomycin is an antibiotic that exerts a broad spectrum of antibacterial activity. It was produced by certain Streptomyces species. Molecular formula: C4H11O5P. Mole weight: 170.10.
Fosfomycin Impurity C Trifluoroacetate
An impurity of Fosfomycin. Fosfomycin is a broad-spectrum antibiotic used for the treatment of urinary tract infections (UTIs). Grades: 95%. Molecular formula: C6H13NO8PF3. Mole weight: 315.14.
Fosfomycin-Sucrose Ether Disodium Salt
Fosfomycin-Sucrose Ether Disodium Salt is one of Fosfomycin derivatives. Fosfomycin is an antibiotic that exerts a broad spectrum of antibacterial activity. It was produced by certain Streptomyces species. Molecular formula: C15H27O15P.2Na. Mole weight: 524.32.
Fosfomycin Trometamol EP Impurity A calcium salt
Fosfomycin Trometamol EP Impurity A calcium salt is an impurity of Fosfomycin, which is an antibiotic with broad spectrum antibacterial activity. Synonyms: (1,2-Dihydroxypropyl)phosphonate calcium salt; P-(1,2-Dihydroxypropyl)phosphonate calcium salt; Fosfomycin calcium EP impurity A. Molecular formula: C3H7CaO5P. Mole weight: 194.14.
Fosfomycin Trometamol EP Impurity A Di-Ammonium Salt
Fosfomycin Trometamol EP Impurity A Di-Ammonium Salt is one of fosfomycin impurities. Fosfomycin is an antibiotic that exerts a broad spectrum of antibacterial activity. It was produced by certain Streptomyces species. Grades: > 95%. Molecular formula: C3H9O5P.2NH3. Mole weight: 190.13.
Fosfomycin Trometamol EP Impurity A sodium salt is an impurity of Fosfomycin, which is an antibiotic with broad spectrum antibacterial activity. Synonyms: Disodium (1,2-dihydroxypropyl)phosphonate; (1,2-Dihydroxypropyl)phosphonate disodium salt; P-(1,2-Dihydroxypropyl)phosphonate disodium salt; Fosfomycin sodium EP impurity A. Molecular formula: C3H7Na2O5P. Mole weight: 200.04.
Fosfomycin Trometamol EP Impurity C
Fosfomycin Trometamol EP Impurity C is an impurity of Fosfomycin, which is an antibiotic with broad spectrum antibacterial activity. Synonyms: Trometamol phosphoric acid monoester; Fosfomycin Trometamol Impurity C; Tromethamine phosphate; 1,3-Propanediol, 2-amino-2-(hydroxymethyl)-, 1-(dihydrogen phosphate); 2-Amino-3-hydroxy-2-(hydroxymethyl)propyl dihydrogen phosphate; Fosfomycin Tromethamine EP impurity C. Grades: >90%. CAS No. 23001-39-0. Molecular formula: C4H12NO6P. Mole weight: 201.11.
Fosfomycin Trometamol Impurity A
Fosfomycin Trometamol Impurity A is one of fosfomycin impurities. Fosfomycin is an antibiotic that exerts a broad spectrum of antibacterial activity. It was produced by certain Streptomyces species. Synonyms: 2-amino-2-(hydroxymethyl)propane-1,3-diol ((1R,2R)-1,2-dihydroxypropyl)phosphonic acid; 1,3-Dihydoxy-2-(hydroxymethyl)propan-2-aminium (1,2-dihydroxypropyl)phosphonate. Grades: 95%. Molecular formula: C7H20NO8P. Mole weight: 277.21.
Fosinopril Impurity G is an impurity in the synthesis of Fosinopril. Synonyms: 4-phenylbutylphosphonic acid; P-(4-phenylbutyl)phosphonic Acid; USP Fosinopril Related Compound H. Grades: > 95%. CAS No. 46348-61-2. Molecular formula: C10H15O3P. Mole weight: 214.20.
Fosinopril Related Compound C is an impurity in the synthesis of Fosinopril. Synonyms: (4S)-4-Cyclohexyl-1-[(RS)-1-hydroxy-2-methylpropoxy](4-phenylbutyl)phosphinyl]-acetyl-L-proline Propionate (Ester) Sodium Salt. Grades: > 95%. CAS No. 1217600-34-4. Molecular formula: C30H45NO7PNa. Mole weight: 585.66.
FOY 251
FOY 251 is a metabolite of camostat mesilate, and a proteinase inhibitor. Synonyms: FOY251; FOY-251; 4-(4-Guanidinobenzoyloxy)phenylacetic acid; 4-GBCE (methanesulfonate). CAS No. 71079-09-9. Molecular formula: C17H19N3O7S. Mole weight: 409.4.
Fragment (27-32)-Calcitonin
Fragment (27-32)-Calcitonin is an impurity of Calcitonin salmon, which is a calcium regulating hormone used to be an effective alternative for the treatment of postmenopausal osteoporosis. Synonyms: Thr-Gly-Ser-Gly-Thr-Pro-OH; L-Threonylglycyl-L-serylglycyl-L-threonyl-L-proline; L-Proline, L-threonylglycyl-L-serylglycyl-L-threonyl-; H-TGSGTP-OH. Grades: ≥95%. CAS No. 922492-91-9. Molecular formula: C20H34N6O10. Mole weight: 518.52.
Fragment (28-32)-Calcitonin
Fragment (28-32)-Calcitonin is an impurity of Calcitonin salmon, which is a calcium regulating hormone used to be an effective alternative for the treatment of postmenopausal osteoporosis. Synonyms: H-Gly-Ser-Gly-Thr-Pro-OH; glycyl-L-serylglycyl-L-threonyl-L-proline; H-GSGTP-OH. Molecular formula: C16H27N5O8. Mole weight: 417.42.
Freselestat
Freselestat is a high affinity and selective human neutrophil elastase 1 (HNE1) inhibitor (Ki = 12 nM) with >100-fold less activity at other related proteases including trypsin, pancreatic elastase, collagenase and murine macrophage elastase. Freselestat can be used as treatment for neutrophil-predominant inflammatory lung diseases. Synonyms: 2-(5-amino-6-oxo-2-phenylpyrimidin-1-yl)-N-[1-(5-tert-butyl-1,3,4-oxadiazol-2-yl)-3-methyl-1-oxobutan-2-yl]acetamide; ONO6818; ONO 6818; ONO-6818. Grades: 95%. CAS No. 208848-19-5. Molecular formula: C23H28N6O4. Mole weight: 452.51.