American Chemical Suppliers

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Product
4'-O-Methyltaxifolin Dihydrotamarixetin is a natural flavonoid isolated from the herbs of Heracleum stenopterum. Synonyms: Dihydrotamarixetin. Grade: >98%. CAS No. 70411-27-7. Molecular formula: C16H14O7. Mole weight: 318.3. BOC Sciences 8
4-O-Methylvicanicin It is a metabolite of Erioderma sp. Molecular formula: C19H18Cl2O5. Mole weight: 397.25. BOC Sciences 12
4-O-Pivaloyl-3-hydroxy-L-phenylalanine 4-O-Pivaloyl-3-hydroxy-L-phenylalanine. Group: Biochemicals. Grades: Highly Purified. CAS No. 122551-95-5. Pack Sizes: 5mg, 10mg, 25mg, 50mg, 100mg. Molecular Formula: C14H19NO5. US Biological Life Sciences. USBiological 8
Worldwide
4'-(O-Podophyllotoxin-9-oxy) Etoposide 4'-(O-Podophyllotoxin-9-oxy) Etoposide is an impurity of Etoposide. Etoposide is a DNA topoisomerase II inhibitor, as well as semi-synthetic derivative of podophyllotoxin, related structurally to Teniposide and it is an antineoplastic. Molecular formula: C50H50O20. Mole weight: 970.92. BOC Sciences 4
4(Or 6)-methyl-2-propylhex-2-enal 4(Or 6)-methyl-2-propylhex-2-enal. Uses: Designed for use in research and industrial production. Additional or Alternative Names: EINECS 276-466-6, 4(Or 6)-methyl-2-propylhex-2-enal, CID6450419, 2-Hexenal, 4(or 6)-methyl-2-propyl-, 72208-09-4. Product Category: Heterocyclic Organic Compound. CAS No. 72208-09-4. Molecular formula: C10H18O. Mole weight: 154.249320 [g/mol]. Purity: 0.96. IUPACName: (Z,4S)-4-methyl-2-propylhex-2-enal. Product ID: ACM72208094. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 4
4-O-tert-Butyldimethylsilyl-2,3-dihydroxy-2-methyl-butan-1,4-diol 1-O-Benzyl Ester Used in the preparation of a substrate for terpenoid biosynthesis. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 10mg. US Biological Life Sciences. USBiological 3
Worldwide
4-O-tert-Butyldimethylsilyl-2-(hydroxymethyl)-3-methylpyridine 4-O-tert-Butyldimethylsilyl-2-(hydroxymethyl)-3-methylpyridine. Group: Biochemicals. Alternative Names: 4-O-tert-[ (1, 1-Dimethylethyl) dimethylsilyl]-2- (hydroxymethyl) -3-methylpyridine. Grades: Highly Purified. Pack Sizes: 25mg. US Biological Life Sciences. USBiological 2
Worldwide
4-O-tert-Butyldimethylsilyl epi lovastatin 4-O-tert-Butyldimethylsilyl epi lovastatin. Group: Biochemicals. Alternative Names: [1S-[1.alpha.(S*), 3.alpha., 7.beta., 8.beta.(2S*, 4S*), 8a.beta.]]-2-Methyl-butanoic acid 8- [2- [4- [ [ (1, 1-dimethylethyl) dimethylsilyl] oxy] tetrahydro-6-oxo-2H-pyran-2-yl] ethyl] -1, 2, 3, 7, 8, 8a-hexahydro-3, 7-dimethyl-1-naphthalenyl ester. Grades: Highly Purified. CAS No. 82978-03-8. Pack Sizes: 1mg, 2mg, 5mg, 10mg, 25mg. Molecular Formula: C30H50O5Si. US Biological Life Sciences. USBiological 6
Worldwide
4'-O-tert-Butyldimethylsilyl genistein 4'-O-tert-Butyldimethylsilyl genistein. Group: Biochemicals. Alternative Names: 3- [4- [ [ (1, 1-Dimethylethyl) dimethylsilyl] oxy] phenyl] -5, 7-dihydroxy-4H-1-benzopyran-4-one. Grades: Highly Purified. CAS No. 470666-97-8. Pack Sizes: 10mg, 25mg, 50mg, 100mg, 250mg. Molecular Formula: C21H24O5Si. US Biological Life Sciences. USBiological 6
Worldwide
4’-O-tert-Butyldimethylsilyl Genistein Protected Genistein. Group: Biochemicals. Alternative Names: 3- [4- [ [ (1, 1-Dimethylethyl) dimethylsilyl] oxy] phenyl] -5, 7-dihydroxy-4H-1-benzopyran-4-one. Grades: Highly Purified. CAS No. 470666-97-8. Pack Sizes: 25mg. US Biological Life Sciences. USBiological 2
Worldwide
4-O-Tetra hydropyranyl -4- hydroxyphenyl acetonitri le-d6 Used in the preparation of new antibacterial agents. Group: Biochemicals. Alternative Names: 4-[(Tetrahydro-2H-pyran-2-yl)oxy]-benzeneacetonitrile, [p-[(Tetrahydro-2H-pyran-2-yl)oxy]phenyl]-acetonitrile. Grades: Highly Purified. Pack Sizes: 2.5mg. US Biological Life Sciences. USBiological 3
Worldwide
4-[(o-Tolyl)azo]xylidine 4-[(o-Tolyl)azo]xylidine. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 2,6-dimethyl-4-[(e)-(2-methylphenyl)diazenyl]aniline, 68517-11-3, 4-((o-tolyl)azo)dimethylaniline, 4-[(o-tolyl)azo]dimethylaniline, Tolylazoylidine, Benzenamine, ar,ar-dimethyl-4-(2-(2-methylphenyl)diazenyl)-, Benzenamine, ar,ar-dimethyl-4-[2-(2-methylphenyl)diazenyl]-, AC1Q4TFE, 4-((o-Tolyl)azo)xylidine, AC1L37PO, EINECS 271-191-8, AR-1D4975, 2,6-dimethyl-4-[(2-methylphenyl)diazenyl]aniline, Benzenamine, ar,ar-dimethyl-4-((2-methylphenyl)azo)-. Product Category: Heterocyclic Organic Compound. CAS No. 68517-11-3. Molecular formula: C15H17N3. Mole weight: 239.315580 [g/mol]. Purity: 0.96. IUPACName: 2,6-dimethyl-4-[(2-methylphenyl)diazenyl]aniline. Canonical SMILES: CC1=CC=CC=C1N=NC2=CC(=C(C(=C2)C)N)C. ECNumber: 271-191-8. Product ID: ACM68517113. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 5
4-o-Tolyl-o,o'-azotoluene 4-o-Tolyl-o,o'-azotoluene. Group: Biochemicals. Alternative Names: 1-(2',3-Dimethyl[1,1'-biphenyl]-4-yl)-2-(2-methylphenyl)diazene. Grades: Highly Purified. CAS No. 857484-43-6. Pack Sizes: 50mg, 100mg, 250mg, 500mg, 1g. Molecular Formula: C21H20N2. US Biological Life Sciences. USBiological 8
Worldwide
4-oxalomesaconate hydratase This enzyme participates in the degradation of protocatechuate (via the meta-cleavage pathway), syringate and gallate, catalysing the reaction in the opposite direction. It accepts the enol-form of 4-oxalomesaconate, 2-hydroxy-4-carboxy-hexa-2,4-dienedioate. Group: Enzymes. Synonyms: 4-oxalmesaconate hydratase; 4-carboxy-2-oxohexenedioate hydratase; 4-carboxy-2-oxobutane-1,2,4-tricarboxylate 2,3-hydro-lyase; oxalmesaconate hydratase; gamma-oxalmesaconate hydratase; 2-hydroxy-4-oxobutane-1,2,4-tricarboxylate 2,3-hydro-lyase; LigJ; GalB. Enzyme Commission Number: EC 4.2.1.83. CAS No. 85204-95-1. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-5068; 4-oxalomesaconate hydratase; EC 4.2.1.83; 85204-95-1; 4-oxalmesaconate hydratase; 4-carboxy-2-oxohexenedioate hydratase; 4-carboxy-2-oxobutane-1,2,4-tricarboxylate 2,3-hydro-lyase; oxalmesaconate hydratase; gamma-oxalmesaconate hydratase; 2-hydroxy-4-oxobutane-1,2,4-tricarboxylate 2,3-hydro-lyase; LigJ; GalB. Cat No: EXWM-5068. Creative Enzymes
4-oxalomesaconate tautomerase This enzyme has been characterized from the bacterium Pseudomonas putida KT2440 and is involved in the degradation pathway of syringate and gallate. It catalyses the interconversion of two of the tautomers of 4-oxalomesaconate, a reaction that can also occur spontaneously. Group: Enzymes. Synonyms: GalD. Enzyme Commission Number: EC 5.3.2.8. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-5488; 4-oxalomesaconate tautomerase; EC 5.3.2.8; GalD. Cat No: EXWM-5488. Creative Enzymes
4-(Oxazol-2-yl)benzenesulfonyl chloride 4-(Oxazol-2-yl)benzenesulfonyl chloride. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 4-(oxazol-2-yl)benzenesulfonyl chloride, KB-239116, 956595-45-2. Product Category: Heterocyclic Organic Compound. CAS No. 956595-45-2. Molecular formula: C9H6ClNO3S. Mole weight: 243.666840 [g/mol]. Purity: 0.96. IUPACName: 4-(1,3-oxazol-2-yl)benzenesulfonyl chloride. Canonical SMILES: C1=CC(=CC=C1C2=NC=CO2)S(=O)(=O)Cl. Product ID: ACM956595452. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 4
4-Oxazolecarboxaldehyde 4-Oxazolecarboxaldehyde. Group: Biochemicals. Alternative Names: Oxazole-4-carbaldehyde. Grades: Highly Purified. CAS No. 118994-84-6. Pack Sizes: 250mg, 500mg, 1g, 2g, 5g. US Biological Life Sciences. USBiological 8
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4-Oxazolecarboxaldehyde ≥96% 4-Oxazolecarboxaldehyde ≥96%. Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 250mg, 1g, 5g. US Biological Life Sciences. USBiological 4
Worldwide
4-Oxazolemethanol,2-(4-bromophenyl)- 4-Oxazolemethanol,2-(4-bromophenyl)-. Uses: Designed for use in research and industrial production. Additional or Alternative Names: [2-(4-BROMO-PHENYL)-OXAZOL-4-YL]-METHANOL. Product Category: Heterocyclic Organic Compound. CAS No. 36841-48-2. Molecular formula: C10H8BrNO2. Mole weight: 254.08. Purity: 0.96. IUPACName: [2-(4-bromophenyl)-1,3-oxazol-4-yl]methanol. Canonical SMILES: C1=CC(=CC=C1C2=NC(=CO2)CO)Br. Density: 1.581g/cm³. Product ID: ACM36841482. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 3
4-Oxazolidinecarboxylicacid,5,5-dimethyl-2-oxo-(9ci) 4-Oxazolidinecarboxylicacid,5,5-dimethyl-2-oxo-(9ci). Uses: Designed for use in research and industrial production. Additional or Alternative Names: 4-Oxazolidinecarboxylicacid,5,5-dimethyl-2-oxo-(9CI). Product Category: Heterocyclic Organic Compound. CAS No. 71264-44-3. Molecular formula: C6H9NO4. Product ID: ACM71264443. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 4
4-Oxazolo[4,5-b]pyridin-2-yl-phenylamine 4-Oxazolo[4,5-b]pyridin-2-yl-phenylamine. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 4-OXAZOLO[4,5-B]PYRIDIN-2-YL-ANILINE;4-OXAZOLO[4,5-B]PYRIDIN-2-YL-PHENYLAMINE;AKOS BB-8028;ASISCHEM T30904;4-([1,3]Oxazolo[4,5-b]pyridin-2-yl)aniline;4-(Oxazolo[4,5-b]pyridine-2-yl)aniline;4-(Oxazolo[4,5-b]pyridine-2-yl)benzenamine. Product Category: Heterocyclic Organic Compound. CAS No. 95331-56-9. Molecular formula: C12H9N3O. Mole weight: 211.22. Product ID: ACM95331569. Alfa Chemistry — ISO 9001:2015 Certified. Categories: 4-(Oxazolo[4,5-b]pyridin-2-yl)aniline. Alfa Chemistry. 3
4- (Oxiranylmethyl) morpholine Hydrochloride 4- (Oxiranylmethyl) morpholine is an intermediate in the synthesis of AMOZ (A634600), a metabolite of nitrofuran. Group: Biochemicals. Alternative Names: 4- (2-Oxiranylmethyl) morpholine Hydrochloride. Grades: Highly Purified. CAS No. 104118-92-5. Pack Sizes: 1g. US Biological Life Sciences. USBiological 3
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4-Oxo-1,4-dihydroquinoline Carboxylic Acid 4-Oxo-1,4-dihydroquinoline Carboxylic Acid is a novel HIV-1 integrase strand transfer inhibitor. Group: Biochemicals. Alternative Names: 1,4-Dihydro-4-oxo-3-quinolinecarboxylic Acid; 4-Quinolone-3-carboxylic Acid. Grades: Highly Purified. CAS No. 13721-01-2. Pack Sizes: 5g. US Biological Life Sciences. USBiological 3
Worldwide
4-Oxo-1-piperidinecarboxylic acid ethyl ester 4-Oxo-1-piperidinecarboxylic acid ethyl ester. Group: Biochemicals. Alternative Names: Ethyl 4-Oxo-1-piperidinecarboxylate; 1-Carbethoxy-4-piperidone. Grades: Highly Purified. CAS No. 29976-53-2. Pack Sizes: 25g, 50g, 100g, 250g, 500g. Molecular Formula: C8H13NO3. US Biological Life Sciences. USBiological 8
Worldwide
4-Oxo-2,2,6,6-tetramethyl-3-piperidinecarboxylic Acid Methyl Ester Intermediate for the synthesis of spin labeled amino acids. Group: Biochemicals. Alternative Names: 2,2,6,6-Tetramethyl-4-oxo-3-piperidinecarboxylic Acid Methyl Ester. Grades: Highly Purified. CAS No. 1159977-55-5. Pack Sizes: 500mg. US Biological Life Sciences. USBiological 2
Worldwide
4-Oxo-2,2,6,6-tetramethylpiperidine-1-15N-1-oxyl 4-Oxo-2,2,6,6-tetramethylpiperidine-1-15N-1-oxyl. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 4-OXO-2,2,6,6-TETRAMETHYLPIPERIDINE-1-15N-1-OXYL;4-Oxo-TEMPO-1-15N. Product Category: Heterocyclic Organic Compound. CAS No. 33490-11-8. Molecular formula: C9H16NO2 *. Mole weight: 171.24. Product ID: ACM33490118. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 4
4-oxo-2,2,6,6-tetramethylpiperidine-[15N] 4-oxo-2,2,6,6-tetramethylpiperidine-[15N]. Synonyms: 4-Oxo-2,2,6,6-tetramethylpiperidine-d17-1-15N. Grade: 98% atom 15N. CAS No. 80404-11-1. Molecular formula: C9H17[15N]O. Mole weight: 173.34. BOC Sciences 2
4-Oxo-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical 4-Oxo-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical. Group: Organic radicalsbattery materials polymerization reagents. Alternative Names: 4-Oxo-TEMPO Free Radical. CAS No. 2896-70-0. Molecular formula: 170.23. Mole weight: C9H16NO2. InChI=1S/C9H16NO2/c1-8 (2)5-7 (11)6-9 (3, 4)10 (8)12/h5-6H2, 1-4H3. WSGDRFHJFJRSFY-UHFFFAOYSA-N. >95.0%(GC)(T). Alfa Chemistry Materials 5
4-Oxo-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical (purified by sublimation) 4-Oxo-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical (purified by sublimation). Group: Organic radicals other material building blocksbattery materials polymerization reagents. CAS No. 2896-70-0. Alfa Chemistry Materials 5
4-OXO-3,4-DIHYDRO-QUINAZOLINE-2-CARBOXYLIC ACID HYDRAZIDE 4-OXO-3,4-DIHYDRO-QUINAZOLINE-2-CARBOXYLIC ACID HYDRAZIDE. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Maybridge1_003616, Oprea1_827248, HMS551M08, MolPort-000-294-712, ZINC00144937, CID731405, DP 01471, 34632-71-8. Product Category: Heterocyclic Organic Compound. CAS No. 34632-71-8. Molecular formula: C9H8N4O2. Mole weight: 204.19. Purity: 0.96. IUPACName: 4-oxo-1H-quinazoline-2-carbohydrazide. Canonical SMILES: C1=CC=C2C(=C1)C(=O)N=C(N2)C(=O)NN. Density: 1.62g/cm³. Product ID: ACM34632718. Alfa Chemistry — ISO 9001:2015 Certified. Categories: 4-oxo-3,4-dihydroquinazoline-2-carbohydrazide. Alfa Chemistry. 3
4-Oxo-3,4-dihydroquinazoline-2-carboxylic acid x0.65h2o 4-Oxo-3,4-dihydroquinazoline-2-carboxylic acid x0.65h2o. Uses: Designed for use in research and industrial production. Additional or Alternative Names: MolPort-000-874-227, NSC159703, ALBB-000270, AKI-BBV-00004425, CID293297, STK500235, 4-oxo-3,4-dihydroquinazoline-2-carboxylic acid, 29113-34-6. Product Category: Heterocyclic Organic Compound. CAS No. 29113-34-6. Molecular formula: C9H6N2O3. Mole weight: 190.155540 [g/mol]. Purity: 0.96. IUPACName: 4-oxo-1H-quinazoline-2-carboxylic acid. Canonical SMILES: C1=CC=C2C(=C1)C(=O)N=C(N2)C(=O)O. Density: 1.56g/cm³. Product ID: ACM29113346. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 4
4-Oxo-3-phenyl-3,4-dihydrophthalazine-1-carbohydrazide 4-Oxo-3-phenyl-3,4-dihydrophthalazine-1-carbohydrazide. Uses: Designed for use in research and industrial production. Additional or Alternative Names: MolPort-002-467-043, ZINC02619071, CID2080955, EN300-10279, 106882-45-5. Product Category: Heterocyclic Organic Compound. CAS No. 106882-45-5. Molecular formula: C15H12N4O2. Mole weight: 280.281. Purity: 0.96. IUPACName: 4-oxo-3-phenylphthalazine-1-carbohydrazide. Density: 1.4g/cm³. Product ID: ACM106882455. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 4
4-Oxo-3-phenyl-3,4-dihydro-phthalazine-1-carboxylic acid 4-Oxo-3-phenyl-3,4-dihydro-phthalazine-1-carboxylic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: CBMicro_018764, Oprea1_044846, NSC26348, MolPort-000-527-093, CID230918, BIM-0018706.P001, F2150-0007, 57531-19-8. Product Category: Heterocyclic Organic Compound. CAS No. 57531-19-8. Molecular formula: C15H10N2O3. Mole weight: 266.251. Purity: 0.96. IUPACName: 4-oxo-3-phenylphthalazine-1-carboxylic acid. Canonical SMILES: C1=CC=C(C=C1)N2C(=O)C3=CC=CC=C3C(=N2)C(=O)O. Density: 1.35g/cm³. Product ID: ACM57531198. Alfa Chemistry — ISO 9001:2015 Certified. Categories: 4-oxo-3-phenyl-3,4-dihydrophthalazine-1-carboxylic acid. Alfa Chemistry. 4
4-OXO-4-(2-PYRIDYL)BUTYRIC ACID 4-OXO-4-(2-PYRIDYL)BUTYRIC ACID. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 4-OXO-4-(2-PYRIDYL)BUTYRIC ACID. Product Category: Heterocyclic Organic Compound. CAS No. 5768-27-4. Molecular formula: C9H9NO3. Mole weight: 179.17. Purity: 0.96. IUPACName: 4-oxo-4-pyridin-2-ylbutanoic acid. Canonical SMILES: C1=CC=NC(=C1)C(=O)CCC(=O)O. Density: 1.263g/cm³. Product ID: ACM5768274. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 5
4-Oxo-4-(2-thienyl)butyric acid 4-Oxo-4-(2-thienyl)butyric acid. Group: Biochemicals. Alternative Names: 3-(2-Thenoyl)propionic acid. Grades: Highly Purified. CAS No. 4653-8-1. Pack Sizes: 5g, 10g, 25g. US Biological Life Sciences. USBiological 8
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4-OXO-4-(2-THIENYL)BUTYRIC ACID 4-OXO-4-(2-THIENYL)BUTYRIC ACID. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Enamine_004421, 3-(2-Thenoyl)propionic acid, 574406_ALDRICH, NSC9624, 4-Oxo-4-(2-thienyl)butyric acid, 4-oxo-4-(2-thienyl)butanoic acid, NSC31635, EINECS 225-089-5, SBB006959, 4-Oxo-4-thiophen-2-yl-butyric acid, BAS 00763504, AA-516/30040028, 4653-08-1. Product Category: Heterocyclic Organic Compound. Appearance: Beige crystalline powder. CAS No. 4653-8-1. Molecular formula: C8H8O3S. Mole weight: 184.21. Purity: 0.96. IUPACName: 4-oxo-4-thiophen-2-ylbutanoic acid. Canonical SMILES: C1=CSC(=C1)C(=O)CCC(=O)O. Density: 1.334g/cm³. ECNumber: 225-089-5. Product ID: ACM4653081. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 3
4-Oxo-4-(2-thienyl)butyric acid ≥97% (HPLC) 4-Oxo-4-(2-thienyl)butyric acid ≥97% (HPLC). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 1g, 5g, 25g. US Biological Life Sciences. USBiological 4
Worldwide
4-oxo-4-(3-pyridinebutanal) 4-oxo-4-(3-pyridinebutanal). Uses: Designed for use in research and industrial production. Additional or Alternative Names: γ-Oxo-3-pyridinebutanal; 4-Oxo-1-(3-pyridyl)-1-butanone. Product Category: Heterocyclic Organic Compound. Appearance: Yellowish Brown Oil. CAS No. 76014-80-7. Molecular formula: C9H9NO2. Mole weight: 163.17. Purity: 0.96. IUPACName: 4-oxo-4-pyridin-3-ylbutanal. Canonical SMILES: C1=CC(=CN=C1)C(=O)CCC=O. Density: 1.129g/cm³. Product ID: ACM76014807. Alfa Chemistry — ISO 9001:2015 Certified. Categories: 4-oxo-4-(pyridin-3-yl)butanal. Alfa Chemistry. 4
4-Oxo-4-(3-pyridyl)butanal 4-Oxo-4-(3-pyridyl)butanal. Group: Biochemicals. Alternative Names: gamma-Oxo-3-pyridinebutanal; 4-Oxo-1-(3-pyridyl)-1-butanone. Grades: Highly Purified. CAS No. 76014-80-7. Pack Sizes: 1mg, 2mg, 5mg, 10mg, 25mg. Molecular Formula: C9H9NO2. US Biological Life Sciences. USBiological 8
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4-Oxo-4-(3-pyridyl)-butanal. A metabolite of the tobacco-specific nitrosamine, NNK. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 2.5mg. US Biological Life Sciences. USBiological 1
Worldwide
4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-one Sitagliptin intermediate. Group: Biochemicals. Alternative Names: 1-[5,6-Dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]-4-(2,4,5-trifluorophenyl)-. Grades: Highly Purified. CAS No. 764667-65-4. Pack Sizes: 10mg. US Biological Life Sciences. USBiological 2
Worldwide
4-Oxo-4-[3-(trifluoromethyl)anilino]but-2-enoic acid 4-Oxo-4-[3-(trifluoromethyl)anilino]but-2-enoic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: IFLAB-BB F0306-0075;(2E)-4-OXO-4-([3-(TRIFLUOROMETHYL)PHENYL]AMINO)BUT-2-ENOIC ACID;4-OXO-4-[3-(TRIFLUOROMETHYL)ANILINO]BUT-2-ENOIC ACID;TIMTEC-BB SBB003094;N-(3-(TRIFLUOROMETHYL)PHENYL)MALEAMIC ACID. Product Category: Heterocyclic Organic Compound. CAS No. 296272-06-5. Molecular formula: C11H8F3NO3. Mole weight: 259.18. Product ID: ACM296272065. Alfa Chemistry — ISO 9001:2015 Certified. Categories: 116401-44-6. Alfa Chemistry. 3
4-Oxo-4-(4-trifluoromethylphenyl)butyronitrile 4-Oxo-4-(4-trifluoromethylphenyl)butyronitrile. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 4-OXO-4-(4-TRIFLUOROMETHYLPHENYL)BUTYRONITRILE. Product Category: Heterocyclic Organic Compound. CAS No. 898783-70-5. Molecular formula: C11H8F3NO. Mole weight: 227.18. Purity: 0.96. IUPACName: 4-oxo-4-[4-(trifluoromethyl)phenyl]butanenitrile. Canonical SMILES: C1=CC(=CC=C1C(=O)CCC#N)C(F)(F)F. Density: 1.256g/cm³. Product ID: ACM898783705. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 3
4-Oxo-4H-1-benzopyran-2-carbonyl chloride 4-Oxo-4H-1-benzopyran-2-carbonyl chloride. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 4-Oxo-4H-chromene-2-carbonyl chloride, CID78788, EINECS 225-841-2, 4-Oxo-4H-1-benzopyran-2-carbonyl chloride, 4H-1-Benzopyran-2-carbonyl chloride, 4-oxo-, F2190-0140, 5112-47-0. Product Category: Heterocyclic Organic Compound. CAS No. 5112-47-0. Molecular formula: C10H5ClO3. Mole weight: 208.597900 [g/mol]. Purity: 0.96. IUPACName: 4-oxochromene-2-carbonyl chloride. Canonical SMILES: C1=CC=C2C(=C1)C(=O)C=C(O2)C(=O)Cl. Density: 1.477g/cm³. ECNumber: 225-841-2. Product ID: ACM5112470. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 3
4-Oxo-4H-1-benzopyran-2-carboxylic Acid 4-Oxo-4H-1-benzopyran-2-carboxylic Acid. Group: Biochemicals. Alternative Names: 2-Chromonecarboxylic Acid; 4-Oxo-4H-1-benzopyran-2-carboxylic Acid; 4-Oxo-4H-benzopyran-2-carboxylic Acid; 4-Oxo-4H-chromene-2-carboxylic Acid; 4-Oxochromene-2-carboxylic Acid; Atremon; Campel; Chromocarb; LP 1. Grades: Highly Purified. CAS No. 4940-39-0. Pack Sizes: 2.5g. Molecular Formula: C10H6O4, Molecular Weight: 190.15. US Biological Life Sciences. USBiological 3
Worldwide
4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid 4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Oprea1_829779, MolPort-001-794-933, NSC156831, HMS1695A04, CID291530, ZINC00873714, GL-1135, BAS 10157191, 4-Oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid, F2123-0003, 34662-58-3. Product Category: Heterocyclic Organic Compound. CAS No. 34662-58-3. Molecular formula: C9H6N2O3. Mole weight: 190.16. Purity: 0.96. IUPACName: 4-oxopyrido[1,2-a]pyrimidine-3-carboxylic acid. Canonical SMILES: C1=CC2=NC=C(C(=O)N2C=C1)C(=O)O. Density: 1.48g/cm³. Product ID: ACM34662583. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 3
4-Oxo-4H-Quinolizin-9-Yl Trifluoromethane sulfonate 4-Oxo-4H-Quinolizin-9-Yl Trifluoromethane sulfonate. Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 100mg, 250mg, 1g. US Biological Life Sciences. USBiological 4
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4-Oxo-4-p-tolylbutanenitrile 4-Oxo-4-p-tolylbutanenitrile. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 4-(4-methylphenyl)-4-oxobutanenitrile, 7X-0934, AC1MWRHK, SCHEMBL11728908, ZINC12954420, AKOS009625417, MCULE-3004231642, KB-288993, 3B3-075232, 55234-57-6. Product Category: Heterocyclic Organic Compound. CAS No. 55234-57-6. Molecular formula: C11H11NO. Mole weight: 173.211140 [g/mol]. Purity: 0.96. IUPACName: 4-(4-methylphenyl)-4-oxobutanenitrile. Canonical SMILES: CC1=CC=C(C=C1)C(=O)CCC#N. Product ID: ACM55234576. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 4
4-Oxo-4-pyren-1-yl-butyric acid 4-Oxo-4-pyren-1-yl-butyric acid. Group: Biochemicals. Grades: Highly Purified. CAS No. 7499-60-7. Pack Sizes: 5g, 10g, 25g, 50g, 100g. Molecular Formula: C20H14O3. US Biological Life Sciences. USBiological 8
Worldwide
4-Oxo-6-(2-oxo-5-vinylpyrrolidin-1-yl)hexanoic Acid 4-Oxo-6-(2-oxo-5-vinylpyrrolidin-1-yl)hexanoic Acid. Uses: For analytical and research use. Group: Impurity standards. Catalog: APS00502. Format: Neat. Alfa Chemistry Analytical Products 4
4-Oxo-(9-cis,13-cis)-Retinoic Acid 4-Oxo-(9-cis,13-cis)-Retinoic Acid is a major plasma metabolite of 9-cis Retinoic Acid. Synonyms: (2Z,4E,6Z,8E)-3,7-dimethyl-9-(2,6,6-trimethyl-3-oxocyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoic acid; 4-Oxo-9,13-Di-cis-retinoic Acid; (9cis,13cis)-4-Oxoretinoic acid. Grade: ≥95%. CAS No. 1391062-39-7. Molecular formula: C20H26O3. Mole weight: 314.42. BOC Sciences 4
4-Oxo-9-cis Retinoic acid 4-Oxo-9-cis Retinoic acid is a metabolite of Retinoic acid. Retinoic acid is a metabolite of Vitamin A and ajusts its functions of cellular growth and differentiation. Synonyms: 4-Keto 9-cis Retinoic Acid; (2E,4E,6Z,8E)-4-Keto-3,7-dimethyl-9-(2,6,6-trimethylcyclohex-1-enyl)nona-2,4,6,8-tetraenoic Acid; 4-Keto-9-cis-tretinoin. CAS No. 150737-18-1. Molecular formula: C20H26O3. Mole weight: 314.43. BOC Sciences 4
4-Oxo-9-cis-Retinoic Acid 4-Oxo-9-cis-Retinoic Acid. Group: Biochemicals. Grades: Highly Purified. CAS No. 150737-18-1. Pack Sizes: 1mg, 2mg, 5mg, 10mg, 25mg. US Biological Life Sciences. USBiological 8
Worldwide
4-Oxo-A litretinoin Glucuronide 4-Oxo-Alitretinoin Glucuronide is an impurity of Retinoic acid. Retinoic Acid is a metabolite of Vitamin A and ajusts its functions of cellular growth and differentiation. Molecular formula: C26H34O9. Mole weight: 490.56. BOC Sciences 4
4-Oxocyclohexane-1,1-dicarboxylic acid 4-Oxocyclohexane-1,1-dicarboxylic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 4-Oxocyclohexane-1,1-dicarboxylic acid. Product Category: Heterocyclic Organic Compound. CAS No. 58230-12-9. Molecular formula: C8H10O5. Mole weight: 186.16. Product ID: ACM58230129. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 3
4-Oxocyclohexane-1-Carbonitrile 4-Oxocyclohexane-1-Carbonitrile (CAS# 34916-10-4) is used to prepare nicotinamides as PDE4 D isoenzymes inhibitors. It is also used as an anthranilic acid replacement in niacin receptor agonist. Synonyms: 4-oxocyclohexanecarbonitrile; 4-Oxo-cyclohexanecarbonitrile. CAS No. 34916-10-4. Molecular formula: C7H9NO. Mole weight: 123.15. BOC Sciences 9
4-Oxocyclohexane-1-carboxylic acid 4-Oxocyclohexane-1-carboxylic acid. Group: Biochemicals. Grades: Highly Purified. CAS No. 874-61-3. Pack Sizes: 1g, 2g, 5g, 10g, 25g. Molecular Formula: C7H10O3. US Biological Life Sciences. USBiological 8
Worldwide
4-Oxocyclohexane carboxylic Acid 4-Oxocyclohexane carboxylic Acid is used in the preparation of Indomethacin (I641000) analogues used in the treatment of prostate cancer. In addition it is used in the synthesis of β-alanine derivatives as glucagon receptor antagonists. Group: Biochemicals. Alternative Names: 4-Ketocyclohexane carboxylic Acid; 4-Ketocyclohexyl carboxyl ic Acid; 4-Oxo-1-cyclohexanecarboxylic Acid; 4-Oxocyclohexane carboxylic Acid; Cyclohexanone-4-carboxylic Acid. Grades: Highly Purified. CAS No. 874-61-3. Pack Sizes: 1g. US Biological Life Sciences. USBiological 3
Worldwide
4-Oxo Cyclophosphamide 4-Oxo Cyclophosphamide is a minor metabolite of Cyclophosphamide. Synonyms: 2-[Bis(2-chloroethyl)amino]tetrahydro-4H-1,3,2-oxazaphosphorin-4-one 2-Oxide; 4-Ketocyclophosphamide; Asta 5160; NSC 139488. Grade: > 95%. CAS No. 27046-19-1. Molecular formula: C7H13Cl2N2O3P. Mole weight: 275.07. BOC Sciences 4
4-Oxo Cyclophosphamide A minor metabolite of Cyclophosphamide. Group: Biochemicals. Grades: Highly Purified. CAS No. 27046-19-1. Pack Sizes: 2.5mg. US Biological Life Sciences. USBiological 2
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4-Oxo Cyclophosphamide-[d8] 4-Oxo Cyclophosphamide-[d8] is the labelled analogue of 4-Oxo Cyclophosphamide, which is an impurity of Cyclophosphamide. Cyclophosphamide is an immunosuppressive used to treat multiple cancers such as lymphoma, myeloma, leukemia, ovarian cancer, breast cancer, etc. Synonyms: 4-Oxo Cyclophosphamide D8; 4-Ketocyclophosphamide-d8; Oxo-Endoxan-d8. Grade: > 95%. Molecular formula: C7H5D8Cl2N2O3P. Mole weight: 283.12. BOC Sciences 2
4-Oxo-Dimeric-Isotretinoin 4-Oxo-Dimeric-Isotretinoin is an impurity of Retinoic acid. Retinoic Acid is a metabolite of Vitamin A and ajusts its functions of cellular growth and differentiation. Molecular formula: C35H46O3. Mole weight: 514.76. BOC Sciences 4
4-Oxo docosahexaenoic acid 4-Oxo docosahexaenoic acid (4-oxo DHA) is a putative metabolite of DHA with antiproliferative and PPARγ agonist activity. Synonyms: 4-oxo DHA. Grade: ≥90%. CAS No. 845673-74-7. Molecular formula: C22H30O3. Mole weight: 342.5. BOC Sciences 4
4-Oxo etodolac 4-Oxo etodolac. Group: Biochemicals. Alternative Names: 1,8-Diethyl-4-oxo-1,3,4,9-tetrahydro-pyrano[3,4-b]indole-1-acetic acid. Grades: Highly Purified. CAS No. 111478-86-5. Pack Sizes: 1mg, 2mg, 5mg, 10mg, 25mg. Molecular Formula: C17H19NO4. US Biological Life Sciences. USBiological 8
Worldwide
4-Oxo Etodolac (1,8-Diethyl-4-oxo-1,3,4,9-tetrahydro-pyrano[3,4-b]indole-1-acetic Acid) A metabolite of Etodolac. Group: Biochemicals. Alternative Names: 1,8-Diethyl-4-oxo-1,3,4,9-tetrahydro-pyrano[3,4-b]indole-1-acetic Acid. Grades: Highly Purified. Pack Sizes: 2.5mg. US Biological Life Sciences. USBiological 1
Worldwide
4-Oxohepta-2,5-dienedioic acid 4-Oxohepta-2,5-dienedioic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 4-OXOHEPTA-2,5-DIENEDIOIC ACID;4-OXOHEPTADIENE-1,7-DIOIC ACID. Product Category: Heterocyclic Organic Compound. CAS No. 34911-62-1. Molecular formula: C7H6O5. Mole weight: 170.12. Purity: 0.96. IUPACName: 4-oxohepta-2,5-dienedioic acid. Density: 1.445g/cm³. Product ID: ACM34911621. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 3
4-Oxo-hexahydro-cyclopenta[c]pyrrole-2-carboxylic acid tert-butyl ester 4-Oxo-hexahydro-cyclopenta[c]pyrrole-2-carboxylic acid tert-butyl ester. Group: Biochemicals. Alternative Names: 2-N-Boc-hexahydrocyclopenta[c] pyrrol-4(1H)-one. Grades: Highly Purified. CAS No. 130658-14-9. Pack Sizes: 50mg, 100mg, 250mg, 500mg, 1g. US Biological Life Sciences. USBiological 8
Worldwide
4-Oxo-hexahydro-cyclopenta[c]pyrrole-2-carboxylic acid tert-butyl ester ≥96% (HPLC) 4-Oxo-hexahydro-cyclopenta[c]pyrrole-2-carboxylic acid tert-butyl ester ≥96% (HPLC). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 100mg, 250mg, 1g, 5g. US Biological Life Sciences. USBiological 4
Worldwide
4-Oxoisophorone 4-Oxoisophorone is one of the major components of saffron (Crocus sativus L.) and also found to be a product of degradation of carotenoids in paprika, tomato and marigold oleoresins. Group: Biochemicals. Grades: Highly Purified. CAS No. 1125-21-9. Pack Sizes: 5g, 25g. Molecular Formula: C9H12O2. US Biological Life Sciences. USBiological 5
Worldwide
4-Oxo-Isotretinoin 4-Oxo-Isotretinoin is a metabolite of Retinoic acid in neuroblastoma. Retinoic acid is a metabolite of Vitamin A and ajusts its functions of cellular growth and differentiation. Synonyms: 4-Oxoisotretinoin; 13-cis-4-Oxoretinoic acid; 4-Keto 13-cis-Retinoic Acid; Isotretinoin EP Impurity H. Grade: 95%. CAS No. 71748-58-8. Molecular formula: C20H26O3. Mole weight: 314.43. BOC Sciences 4

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