Our biochemicals, antibodies, recombinant proteins, cell culture media and molecular biology kits are used in virtually all scientific applications.From affordable research quantities to larger bulk amounts.
Used in the preparation of isoxazolyl penicillin derivatives. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 250mg. US Biological Life Sciences.
Used in the preparation of isoxazolyl penicillin derivatives. Group: Biochemicals. Alternative Names: 3-(2,6-Dichlorophenyl)-5-methylisoxazole-4-carboxylic Acid; 5-Methyl-3- (2, 6-dichlorophenyl) isoxazole-4-carboxylic Acid. Grades: Highly Purified. CAS No. 3919-76-4. Pack Sizes: 1g. US Biological Life Sciences.
Used in the preparation of novel isoxazole carboxamides as growth hormones. Group: Biochemicals. Grades: Highly Purified. CAS No. 24248-21-3. Pack Sizes: 500mg. US Biological Life Sciences.
Used in the preparation of isoxazolyl penicillin derivatives. Group: Biochemicals. Grades: Highly Purified. CAS No. 4402-83-9. Pack Sizes: 500mg. US Biological Life Sciences.
Intermediate in the preparation of Brinzolamide. Group: Biochemicals. Alternative Names: 3-(2-Bromo-acetyl)-5-chloro-thiophene-2-sulfonic Acid (3-Methoxy-propyl)amide. Grades: Highly Purified. CAS No. 1174304-97-2. Pack Sizes: 100mg. US Biological Life Sciences.
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3-[(2-Chloroethyl)amino]-1-propanol Hydrochloride
3-[(2-Chloroethyl)amino]-1-propanol Hydrochloride. Group: Biochemicals. Alternative Names: N-(2-Chloroethyl)-3-hydroxypropylamine Hydrochloride. Grades: Highly Purified. CAS No. 40722-80-3. Pack Sizes: 250mg. US Biological Life Sciences.
The major labeled DNA adduct of endogenous carcinogen malondialdehyde. Group: Biochemicals. Alternative Names: M1G-DR. Grades: Highly Purified. Pack Sizes: 1mg. US Biological Life Sciences.
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3'-[[(2-Methoxyethoxy)methyl Erythromycin A Oxime Chloride
Erythromycin A Oxime derivative. Group: Biochemicals. Alternative Names: 3'-De (dimethylamino) -3'- [ [ (2-methoxyethoxy) methyl] dimethylammonio] erythromycin 9-Oxime Chloride. Grades: Highly Purified. CAS No. 151750-47-9. Pack Sizes: 5mg. US Biological Life Sciences.
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3- (2-Methylpropyl) pentanedioic Acid
An impurity of Pregabalin with anticonvulsant properties. Group: Biochemicals. Alternative Names: 3-Isobutylglutaric Acid. Grades: Highly Purified. CAS No. 75143-89-4. Pack Sizes: 1g. US Biological Life Sciences.
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3- (2-Pyridyldithio) propanoic Acid
Crosslinking agent in immobilization of thrombogenesis-inhibiting enzymes on polymeric carriers. Targeted delivery of a triplex-forming oligonucleotide to hepatic stellate cells by complexes with phosphated bovine serum albumin for treatment of liver fibrosis. Group: Biochemicals. Alternative Names: 2-Carboxyethyl 2-Pyridyl Disulfide. Grades: Highly Purified. CAS No. 68617-64-1. Pack Sizes: 100mg, 250mg, 500mg, 1g. US Biological Life Sciences.
Intermediate in the preparation of MK-571. Group: Biochemicals. Alternative Names: (E) -3, 3'- [ [ [3- [2- (7-Chloro-2-quinolinyl) ethenyl] phenyl] methylene] bis (thio) ] bis-propanoic Acid Dimethyl Ester. Grades: Highly Purified. CAS No. 120385-96-8. Pack Sizes: 50mg. US Biological Life Sciences.
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3-[3,4-Bis(acetyloxy)phenyl]-2-propenoic Acid
Protected Caffeic Acid , a constituent of plants. Group: Biochemicals. Alternative Names: (E)-Caffeic Acid Diacetate. Grades: Highly Purified. CAS No. 88623-81-8. Pack Sizes: 500mg. US Biological Life Sciences.
An intermediate for the preparation of (+/-)-Taxifolin. Group: Biochemicals. Grades: Highly Purified. CAS No. 1076199-13-7. Pack Sizes: 500mg. US Biological Life Sciences.
An intermediate for the preparation of (+/-)-Taxifolin. Group: Biochemicals. Alternative Names: 1-[2, 4-Bis (ethoxymethoxy)-6-hydroxyphenyl]-3-[3, 4-bis (ethoxymethoxy)phenyl]-2-propen-1-one. Grades: Highly Purified. CAS No. 1076199-11-5. Pack Sizes: 500mg. US Biological Life Sciences.
An intermediate for the preparation of (+/-)-Taxifolin. Group: Biochemicals. Alternative Names: [3-[3, 4-Bis (ethoxymethoxy) phenyl]-2-oxiranyl][2, 4, 6-tris (ethoxymethoxy) phenyl]methanone. Grades: Highly Purified. CAS No. 1076199-12-6. Pack Sizes: 250mg. US Biological Life Sciences.
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3-(3,4-Dimethoxyphenyl)-L-alanine
DOPA intermediate. Group: Biochemicals. Alternative Names: 3-Methoxy-O-methyl-L-tyrosine; (S) -3, 4-Dimethoxyphenyl alanine; β-(3,4-Dimethoxyphenyl)-L-alanine; 3,4-Dimethoxy-L-phenylalanine; DMPA; L-Veratrylglycine. Grades: Highly Purified. CAS No. 32161-30-1. Pack Sizes: 25mg. US Biological Life Sciences.
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3,3'-Diaminodipropylamine
A structural homologue of the natural polyamine spermidine with antitumor activity that may make it useful as a antineoplastic agent. Group: Biochemicals. Alternative Names: N-(3-Aminopropyl)-1,3-propanediamine; 1,5,9-Triazanonane; NSC 7773; 1,7-Diamino-4-azaheptane; 3,3'-Iminobis-1-propanamine; 3,3'-Iminobis(propylamine); 3,3'-Iminodi(propylamine); 4-Aza-1,7-diaminoheptane; 4-Azahepta methyl enediamine; 4-Azaheptane-1,7-diamine; Bis(3-aminopropyl)amine; Caldine; Dipropylenetriamine; Di(3-aminopropyl)amine; N-(3-Aminopropyl)-1,3-propanediamine; P 2 (hardener); N-3-Aminopropyl-1,3-diaminopropane; Norspermidine; sym-Norspermidine. Grades: Highly Purified. CAS No. 56-18-8. Pack Sizes: 1g. US Biological Life Sciences.
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3,3-Diethoxypropionitrile
3,3-Diethoxypropionitrile is a propionitrile derivative used in the preparation of various biologically active compounds such as p38α mitogen-activated protein kinase inhibitors. Group: Biochemicals. Alternative Names: 3, 3-Diethoxypropane nitrile; Cyanoacetaldehyde Diethyl Acetal; Malonaldehydenitrile Diethyl Acetal. Grades: Highly Purified. CAS No. 2032-34-0. Pack Sizes: 1g. US Biological Life Sciences.
Intermediate in the synthesis of Glycitein. Group: Biochemicals. Grades: Highly Purified. CAS No. 58115-19-8. Pack Sizes: 10mg. US Biological Life Sciences.
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3,3-Diphenyl-oxiranecarboxylic Acid Methyl Ester
Ambrisentan intermediate. Group: Biochemicals. Alternative Names: Methyl 3,3-Diphenyl-2,3-epoxypropionate; Methyl 3,3-Diphenyloxirane-2-carboxylate. Grades: Highly Purified. CAS No. 76527-25-8. Pack Sizes: 100mg. US Biological Life Sciences.
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3,3-Diphenylpropionyl Chloride
An intermediate used for the synthesis of cardioprotectants, 4-DAMP analogs, and other pharmaceutical agents. Group: Biochemicals. Alternative Names: β-Phenyl-. Grades: Highly Purified. CAS No. 37089-77-3. Pack Sizes: 500mg. US Biological Life Sciences.
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3,3-Diphenylpropylamine
3,3-Diphenylpropylamine is a metabolite of Prenylamine. 3,3-Diphenylpropylamine showed antiextensor effects as well as neuroexcitatory effects and antagonized barbital-induced loss of the righting reflex. Group: Biochemicals. Alternative Names: 1-Amino-3,3-diphenylpropane; 3,3-Diphenyl-1-propanamine; 3,3-Diphenyl-1-propylamine; Diphenylpropylamine; IEM 2011; NSC 137832; γ -Phenyl Benzene propanamine. Grades: Highly Purified. CAS No. 5586-73-2. Pack Sizes: 10g. US Biological Life Sciences.
A useful synthetic intermediate in the preparation of pharmaceuticals. Group: Biochemicals. Alternative Names: β - (3-Hydroxy-4-methoxyphenyl) propionic-d3 Acid; Hydroisoferulic-d3 Acid; 3-Hydroxy-4-methoxy-benzenepropanoic-d3 Acid; Dihydroisoferulic-d3 acid. Grades: Highly Purified. Pack Sizes: 5mg. US Biological Life Sciences.
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3-(3-Hydroxypropyl)-2-oxazolidinone
Used in the preparation of Ifosfamide and Ifosfamide analogs. Group: Biochemicals. Grades: Highly Purified. CAS No. 87010-29-5. Pack Sizes: 500mg. US Biological Life Sciences.
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3-(3-Hydroxypropyl)-2-oxazolidinone Acetate
Used in the preparation of Ifosfamide and Ifosfamide analogs. Group: Biochemicals. Alternative Names: 3-[3-(Acetyloxy)propyl]-2-oxazolidinone. Grades: Highly Purified. CAS No. 87010-30-8. Pack Sizes: 500mg, 1g. Molecular Formula: C?H??NO?, Molecular Weight: 187.19. US Biological Life Sciences.
Intermediate in the synthesis of a cannabinoid receptor ligand. Group: Biochemicals. Grades: Highly Purified. CAS No. 70434-13-8. Pack Sizes: 5mg. US Biological Life Sciences.
Intermediate in the synthesis of a labeled cannabinoid receptor ligand. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1mg. US Biological Life Sciences.
Intermediate in the synthesis of the antipsychotic agent Ziprasidone. Group: Biochemicals. Grades: Highly Purified. CAS No. 160384-37-2. Pack Sizes: 100mg. US Biological Life Sciences.
Intermediate in the synthesis of the antipsychotic agent Ziprasidone. Group: Biochemicals. Grades: Highly Purified. CAS No. 160384-38-3. Pack Sizes: 25mg. US Biological Life Sciences.
Platelet-activating factor (PAF) antagonist and an intermediate in the preparation of antiarrhythmics. Group: Biochemicals. Grades: Highly Purified. CAS No. 132464-59-6. Pack Sizes: 2.5mg. US Biological Life Sciences.
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3-[4-(2-Methoxyethyl)phenoxy]-1,2-epoxypropane
Impurity of Metoprolol. Group: Biochemicals. Alternative Names: 2-[[4- (2-Methoxyethyl) phenoxy]methyl-oxirane; [[4- (2-Methoxyethyl) phenoxy]methyl]-oxirane; MEEPB; Metoprolol Impurity VII. Grades: Highly Purified. CAS No. 56718-70-8. Pack Sizes: 1g. US Biological Life Sciences.
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3-[4-(2-Methoxyethyl)phenoxy]-1,2-propanediol
A new byproduct detected in Metoprolol tartrate. Metoprolol. Group: Biochemicals. Alternative Names: H 93/82. Grades: Highly Purified. CAS No. 62572-90-1. Pack Sizes: 25mg. US Biological Life Sciences.
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3',4'-Anhydro Vincristine Ditartrate
A derivative of Vinblastine, an antitumor alkaloid. Group: Biochemicals. Alternative Names: 3',4'-Didehydro-4'-deoxy-22-oxo-vincaleukoblastine Ditartrate; 3',4'-Anhydroleurocristine Ditartrate; 3',4'-Anhydrovincristine Ditartrate; Anhydroleurocristine Ditartrate; Anhydrovincristine Ditartrate. Grades: Highly Purified. Pack Sizes: 2.5mg. US Biological Life Sciences.
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[3,4-Bis(benzyloxy)phenyl]-1,2-ethanediol
Intermediate in the preparation of Catecholamines metabolites. Group: Biochemicals. Alternative Names: 1-[3, 4-Bis (phenylmethoxy)phenyl]-1, 2-ethanediol; rac 3, 4-Bis (benzyloxy) phenylethylene Glycol. Grades: Highly Purified. CAS No. 100434-10-4. Pack Sizes: 50mg. US Biological Life Sciences.
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[3,4-Bis(benzyloxy)phenyl]-1,2-ethanediol-d5
Intermediate in the preparation of Catecholamines metabolites. Group: Biochemicals. Alternative Names: 1-[3, 4-Bis (phenylmethoxy)phenyl]-1, 2-ethanediol-d5; rac 3, 4-Bis (benzyloxy) phenylethylene Glycol-d5. Grades: Highly Purified. Pack Sizes: 2.5mg. US Biological Life Sciences.
A highly reactive spin-label compound. Group: Biochemicals. Grades: Highly Purified. CAS No. 229621-20-9. Pack Sizes: 5mg. US Biological Life Sciences.
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3, 4-Bis (difluoromethoxy) benzaldehyde
3, 4-Bis (difluoromethoxy) benzaldehyde is an impurity of the antiasthmatic drug Roflumilast. 3, 4-Bis (difluoromethoxy) benzaldehyde is used in the preparation of diphenylethylene compounds as PDE4 (phosphodiesterase-4) inhibitors for treatment of cancer, CNS disorders, and inflammatory disorders. Group: Biochemicals. Grades: Highly Purified. CAS No. 127842-54-0. Pack Sizes: 1g. US Biological Life Sciences.
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3,4-Bis(difluoromethoxy) Roflumilast
3,4-Bis(difluoromethoxy) Roflumilast is an impurity of the antiasthmatic drug Roflumilast. Group: Biochemicals. Alternative Names: N- (3, 5-Dichloro-4-pyridinyl) -3, 4-bis (difluoromethoxy) benzamide. Grades: Highly Purified. CAS No. 162401-30-1. Pack Sizes: 25mg. US Biological Life Sciences.
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3, 4-Bis (ethoxymethoxy) benzaldehyde
3, 4-Bis (ethoxymethoxy) benzaldehyde. Group: Biochemicals. Grades: Highly Purified. CAS No. 128837-28-5. Pack Sizes: 1g. US Biological Life Sciences.
A highly reactive thiol-specific cross-linking spin-label. Group: Biochemicals. Alternative Names: HO-1944. Grades: Highly Purified. CAS No. 229621-21-0. Pack Sizes: 1mg. US Biological Life Sciences.
Intermediate in the synthesis of Brodimoprim. Group: Biochemicals. Grades: Highly Purified. CAS No. 56518-39-9. Pack Sizes: 100mg. US Biological Life Sciences.
Intermediate in the synthesis of labeled Brodimoprim. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 5mg. US Biological Life Sciences.
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3-(4-Chloro-1-oxobutyl)indole-5-carbonitrile
Reactant in the preparation of dual 5-HT1A receptor agonists and serotonin reuptake inhibitors. Group: Biochemicals. Alternative Names: 3-(4-Chloro-1-oxobutyl)-1H-indole-5-carbonitrile. Grades: Highly Purified. CAS No. 276863-95-7. Pack Sizes: 250mg. US Biological Life Sciences.
Reactant in the preparation of Vilazodone. Group: Biochemicals. Alternative Names: 3- (4-Chlorobutyl) -1- (1, 1-di methyl ethoxycarbonyl) indole-5-carbonitrile. Grades: Highly Purified. Pack Sizes: 25mg. US Biological Life Sciences.
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3-(4-Chlorobutyl)indole-5-carbonitrile
Reactant in the preparation of allosteric IGF-1R inhibitors, and dual 5-HT1A receptor agonists and serotonin reuptake inhibitors. Group: Biochemicals. Alternative Names: 3-(4-Chlorobutyl)-1H-indole-5-carbonitrile. Grades: Highly Purified. CAS No. 143612-79-7. Pack Sizes: 100mg. US Biological Life Sciences.
An aldose reductase inhibitor. Group: Biochemicals. Alternative Names: 4-[3-(4-Chlorophenyl)-1,2,4-oxadiazol-5-yl]butanoic Acid. Grades: Highly Purified. CAS No. 439108-15-3. Pack Sizes: 250mg. US Biological Life Sciences.
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3-(4-Chlorophenyl)-4-hydroxybutyric Acid Sodium Salt
A metabolite of Baclofen. Group: Biochemicals. Alternative Names: 4-Chloro- β-(hydroxymethyl)-benzenepropanoic Acid Sodium; β-(p-Chlorophenyl)-γ-hydroxybutyric Acid Sodium. Grades: Highly Purified. Pack Sizes: 2.5mg. US Biological Life Sciences.
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3-(4-Chlorophenyl)glutaric Acid
3-(4-Chlorophenyl)glutaric Acid. Group: Biochemicals. Alternative Names: 3- (4-Chlorophenyl) pentanedioic Acid; β-(p-Chlorophenyl)glutaric Acid; 3-(p-Chlorophenyl)glutaric Acid. Grades: Highly Purified. CAS No. 35271-74-0. Pack Sizes: 500mg. US Biological Life Sciences.
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3-(4-Chlorophenyl)glutaric Acid-d4
3-(4-Chlorophenyl)glutaric Acid-d4. Group: Biochemicals. Alternative Names: 3-(4-Chlorophenyl-d4)pentanedioic Acid; β-(p-Chlorophenyl-d4)glutaric Acid; 3-(p-Chlorophenyl-d4)glutaric Acid. Grades: Highly Purified. Pack Sizes: 5mg. US Biological Life Sciences.
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3-(4-Chlorophenyl)glutaric Anhydride
3-(4-Chlorophenyl)glutaric Anhydride. Group: Biochemicals. Alternative Names: 4-(4-Chlorophenyl)dihydro-2H-pyran-2,6(3H)-dione; 3-(p-Chlorophenyl)glutaric Anhydride. Grades: Highly Purified. CAS No. 53911-68-5. Pack Sizes: 500mg. US Biological Life Sciences.
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3-(4-Chlorophenyl)glutaric-d4 Anhydride
3-(4-Chlorophenyl)glutaric-d4 Anhydride. Group: Biochemicals. Alternative Names: 4-(4-Chlorophenyl-d4)dihydro-2H-pyran-2,6(3H)-dione; 3-(p-Chlorophenyl-d4)glutaric Anhydride. Grades: Highly Purified. CAS No. 1189700-43-3. Pack Sizes: 5mg. US Biological Life Sciences.
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3,4-Cyclopentenopyrido[3,2-a]carbazole
A potent mutagenic product from the dry distillation of L-lysine. Group: Biochemicals. Alternative Names: 1, 2, 3, 8-Tetrahydrocyclopenta [c]pyrido [3, 2-a]carbazole; Lys-P1. Grades: Highly Purified. CAS No. 69477-66-3. Pack Sizes: 10mg. US Biological Life Sciences.
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3,4-Dehydro δ-Tocopherol Acetate
δ-Tocopherol intermediate. Group: Biochemicals. Alternative Names: 2,8-Dimethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl)]-2H-1-benzopyran-6-ol 6-Acetate; 6-Acetoxy-2,8-dimethyl-2-(4,8,12-trimethyltridecyl)-2H-6-chromane. Grades: Highly Purified. Pack Sizes: 10mg. US Biological Life Sciences.
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3,4-Diaminoanisole
3,4-Diaminoanisole. Group: Biochemicals. Alternative Names: 4-Methoxy-1,2-benzenediamine; ,2-Diamino-4-methoxybenzene; p-Methoxy-o-phenylenediamine; 4-Methoxy-2-aminoaniline. Grades: Highly Purified. CAS No. 102-51-2. Pack Sizes: 1g. US Biological Life Sciences.
(3,4-Diaminophenyl)-(2-thienyl)methanone Monohydrochloride. Group: Biochemicals. Alternative Names: (3,4-Diaminophenyl)-2-thienylmethanone Monohydrochloride. Grades: Highly Purified. CAS No. 61167-19-9. Pack Sizes: 500mg. US Biological Life Sciences.
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3,4-Diaminotoluene-d6
Labeled 5-Methylbenzotriazole intermediate. Group: Biochemicals. Alternative Names: 4-Methyl-1,2-benzenediamine-d6; Toluene-3,4-diamine-d6; 1,2-Diamino-4-methylbenzene-d6; 2-Amino-4-methylaniline-d6; 2-Amino-5-methylaniline-d6; 4-Methyl-1,2-benzenediamine-d6; 4-Methyl-1,2-diaminobenzene-d6; 4-Methyl-1,2-phenylenediamine-d6; 4-Methyl-2-aminoaniline-d6; 4-Methyl-o-phenylenediamine-d6; NSC 1495-d6. Grades: Highly Purified. Pack Sizes: 5mg. US Biological Life Sciences.
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3,4-Dibenzyl-gallic Acid Benzyl Ester
An intermediate in the preparation of Digallic Acid. Group: Biochemicals. Alternative Names: Benzyl 3,4-Di-O-benzyl-5-hydroxy Benzoate; 3,4-Diphenylmethoxy-5-hydroxy-benzoic Acid Benzyl Ester; Benzyl 3,4-Dibenzyloxy-5-hydroxy Benzoate; 3-Hydroxy-4, 5-bis (phenylmethoxy)benzoic Acid Phenylmethyl Ester. Grades: Highly Purified. CAS No. 1159977-28-2. Pack Sizes: 5mg. US Biological Life Sciences.
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3,4-Dibenzyloxy-1-phenyl-2-butanone
Intermediate in the production of α-Ethylnorepinephrine. Group: Biochemicals. Alternative Names: 1-[3, 4-Bis (phenylmethoxy)phenyl]-1-butanone. Grades: Highly Purified. CAS No. 24538-59-8. Pack Sizes: 10mg. US Biological Life Sciences.
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3',4'-Dibenzyloxy-1-phenyl-2-propanone
Intermediate in the preparation of 3, 4- methyl ene dioxymethamphetamine. Group: Biochemicals. Alternative Names: 1-[3, 4-Bis (phenylmethoxy)phenyl]-2-propanone; 3, 4-Dibenzyl oxyphenyl acetone. Grades: Highly Purified. CAS No. 62932-76-7. Pack Sizes: 5mg. US Biological Life Sciences.
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3,4-Dichloro-1,2,5-thiadiazole
3,4-Dichloro-1,2,5-thiadiazole is a chlorinated thiadiazole that is a potent inhibitors of nitrification in soil. 3,4-Dichloro-1,2,5-thiadiazole is used as a building block in the preparaton of the β-adrenergic blocking agent, Timolol. Group: Biochemicals. Grades: Highly Purified. CAS No. 5728-20-1. Pack Sizes: 10g, 50g, 100g. Molecular Formula: C?Cl?N?S. US Biological Life Sciences.