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4,4'-Oxydiphenol
4,4'-Oxydiphenol. Group: Biochemicals. Grades: Highly Purified. CAS No. 1965-9-9. Pack Sizes: 250g, 500g, 1kg, 2kg, 5kg. US Biological Life Sciences.
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4-(4-Pyridinyl)butyl chloride hydrochloride
4-(4-Pyridinyl)butyl chloride hydrochloride. Group: Biochemicals. Grades: Highly Purified. CAS No. 149463-65-0. Pack Sizes: 50g, 100g, 250g, 500g, 1kg. Molecular Formula: C9H12ClN·HCl. US Biological Life Sciences.
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4-(4-Pyridinyl)piperidine
4-(4-Pyridinyl)piperidine. Group: Biochemicals. Alternative Names: 4-Piperidine-4-yl-pyridine; 1,2,3,4,5,6-Hexahydro-[4,4']bipyridinyl. Grades: Highly Purified. CAS No. 581-45-3. Pack Sizes: 500mg, 1g, 2g, 5g, 10g. US Biological Life Sciences.
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4-(4-Pyridinyl)piperidine, > 98+%
4-(4-Pyridinyl)piperidine, > 98+%. Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 250mg, 1g, 5g, 10g. US Biological Life Sciences.
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4-(4-Pyridyl)benzaldehyde
4-(4-Pyridyl)benzaldehyde. Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 1g, 5g, 25g. US Biological Life Sciences.
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4,4'-Thiobisbenzenethiol
4,4'-Thiobisbenzenethiol. Group: Biochemicals. Alternative Names: 4,4'-Dimercaptodiphenyl Sulfide; 4,4'-Thiobis(phenylthiol); 4,4'-Thiobisbenzenedithiol; 4,4'-Thiobisbenzenethiol; 4,4'-Thiodibenzenethiol; Bis(4-mercaptophenyl) Sulfide; p,p'-Dimercaptodiphenyl Sulfide. Grades: Highly Purified. CAS No. 19362-77-7. Pack Sizes: 25g. Molecular Formula: C12H10S3, Molecular Weight: 250.4. US Biological Life Sciences.
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4,4'-Thiodibenzenethiol
4,4'-Thiodibenzenethiol. Group: Biochemicals. Grades: Highly Purified. CAS No. 19362-77-7. Pack Sizes: 2g, 5g, 10g, 25g, 50g. Molecular Formula: C12H10S3. US Biological Life Sciences.
Used for preparation of thieno-tetrahydropyridines useful as class III antiarrhythmic agents. Group: Biochemicals. Grades: Highly Purified. CAS No. 28783-38-2. Pack Sizes: 250mg. US Biological Life Sciences.
4,5,6,7-Tetrahydro-thieno[3,2-c]pyridine Hydrochloride (4,5,6,7-Tetrahydrothieno[3,2-c]pyridine Hydrochloride,6,7-Dihydro-4H-thieno[3,2-c]pyridine Hydrochloride). Group: Biochemicals. Alternative Names: 4,5,6,7-Tetrahydrothieno[3,2-c]pyridine Hydrochloride;6,7-Dihydro-4H-thieno[3,2-c]pyridine Hydrochloride. Grades: Highly Purified. Pack Sizes: 1g. US Biological Life Sciences.
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4',5,6,7-Tetrahydroxyflavone,6-hydroxyapigenin
4',5,6,7-Tetrahydroxyflavone,6-hydroxyapigenin. Group: Biochemicals. Grades: Highly Purified. CAS No. 529-53-3. Pack Sizes: 1mg, 2mg, 5mg, 10mg, 25mg. Molecular Formula: C15H10O6. US Biological Life Sciences.
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4,5,6-Triaminopyrimidine sulfate
4,5,6-Triaminopyrimidine sulfate. Group: Biochemicals. Grades: Highly Purified. CAS No. 49721-45-1. Pack Sizes: 1g, 2g, 5g, 10g, 25g. Molecular Formula: C4H7N5·H2SO4. US Biological Life Sciences.
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4,5,6-Trichloropyrimidine
4,5,6-Trichloropyrimidine. Group: Biochemicals. Grades: Highly Purified. CAS No. 1780-27-4. Pack Sizes: 500mg, 1g, 2g, 5g, 10g. Molecular Formula: C4HCl3N2. US Biological Life Sciences.
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4,5,6-Triethoxy-7-nitrophthalide
4,5,6-Triethoxy-7-nitrophthalide. Group: Biochemicals. Grades: Highly Purified. CAS No. 4995-54-4. Pack Sizes: 500g, 1kg. Molecular Formula: C14H17NO7. US Biological Life Sciences.
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4,5,6-Trifluoropyrimidine
4,5,6-Trifluoropyrimidine. Group: Biochemicals. Grades: Highly Purified. CAS No. 17573-78-3. Pack Sizes: 500mg, 1g, 2g, 5g, 10g. Molecular Formula: C4HF3N2. US Biological Life Sciences.
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4,5',8-Trimethylpsoralen
4,5',8-Trimethylpsoralen. Group: Biochemicals. Alternative Names: Trioxsalen; 2,5,9-Trimethyl-furo[3,2-g]benzopyran-7-one. Grades: Highly Purified. CAS No. 3902-71-4. Pack Sizes: 2g, 5g, 10g, 25g. US Biological Life Sciences.
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4,5',8-Trimethylpsoralen 99+% (HPLC)
4,5',8-Trimethylpsoralen 99+% (HPLC). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 250mg, 1g, 5g, 25g. US Biological Life Sciences.
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4,5a-Dihydro norethandrolone
4,5a-Dihydro norethandrolone. Group: Biochemicals. Alternative Names: (5a,17a)-17-Hydroxy-19-norpregnan-3-one; 17-Hydroxy-19-Nor-5a,17a-pregnan-3-one. Grades: Highly Purified. CAS No. 2099-68-5. Pack Sizes: 2mg, 5mg, 10mg, 25mg, 50mg. Molecular Formula: C20H32O2. US Biological Life Sciences.
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4,5a-Dihydronorethisterone
4,5a-Dihydronorethisterone. Group: Biochemicals. Alternative Names: 17a-Ethynyl-17b-hydroxy-5a-estran-3-one; 17a-Ethynyl-5a-estran-17b-ol-3-one; 17b-Hydroxy-17a-ethynyl-5a-estran-3-one. Grades: Highly Purified. CAS No. 52-79-9. Pack Sizes: 5mg, 10mg, 25mg, 50mg, 100mg. Molecular Formula: C20H28O2. US Biological Life Sciences.
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4(5)-Amino-1H-imidazole-5(4)-carbonitrile
4(5)-Amino-1H-imidazole-5(4)-carbonitrile. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1g. US Biological Life Sciences.
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4,5b-Dihydro norethandrolone
4,5b-Dihydro norethandrolone. Group: Biochemicals. Alternative Names: (5b,17a)-17-Hydroxy-19-norpregnan-3-one; 17-Hydroxy-19-Nor-5b,17a-pregnan-3-one. Grades: Highly Purified. CAS No. 31658-44-3. Pack Sizes: 2mg, 5mg, 10mg, 25mg, 50mg. Molecular Formula: C20H32O2. US Biological Life Sciences.
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4,5-Bis(chloromethyl)-1,3-dioxol-2-one
4,5-Bis(chloromethyl)-1,3-dioxol-2-one is an impurity of Olmesartan Medoxomil, which is an angiotensin II receptor antagonist. Used as an anti-hypertensive. Group: Biochemicals. Grades: Highly Purified. CAS No. 1443544-27-1. Pack Sizes: 100mg, 250mg, 500mg. Molecular Formula: C5H4Cl2O3. US Biological Life Sciences.
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4-(5-Bromopyridin-2-yl)morpholine
4-(5-Bromopyridin-2-yl)morpholine. Group: Biochemicals. Alternative Names: N-(5-Bromopyridin-2-yl)morpholine. Grades: Highly Purified. CAS No. 200064-11-5. Pack Sizes: 1g, 2g, 5g, 10g, 25g. Molecular Formula: C9H11BrN2O. US Biological Life Sciences.
An intermediate of Zafirlukast , as leukotriene antagonist. Group: Biochemicals. Grades: Highly Purified. CAS No. 107754-20-1. Pack Sizes: 10mg. US Biological Life Sciences.
4,5-Diamino-3-isobutyl-1-methylpyrimidine-2,6-dione (5,6-Diamino-1-isobutyl-3-methyluracil). Group: Biochemicals. Alternative Names: 5,6-Diamino-1-isobutyl-3-methyluracil. Grades: Highly Purified. Pack Sizes: 2g. US Biological Life Sciences.
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4,5-Diamino-6-chloropyrimidine
4,5-Diamino-6-chloropyrimidine. Group: Biochemicals. Alternative Names: 4-Chloropyrimidine-5,6-diamine; 5,6-Diamino-4-chloropyrimidine; 6-Chloropyrimidine-4,5-diamine. Grades: Highly Purified. CAS No. 4316-98-7. Pack Sizes: 100mg, 250mg, 500mg, 1g, 2g. Molecular Formula: C4H5ClN4. US Biological Life Sciences.
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4,5-Diamino-6-methylpyrimidine
4,5-Diamino-6-methylpyrimidine. Group: Biochemicals. Grades: Highly Purified. CAS No. 22715-28-2. Pack Sizes: 250mg, 500mg, 1g, 2g, 5g. Molecular Formula: C5H8N4. US Biological Life Sciences.
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4,5-Diamino-6-methylpyrimidine Hydrochloride
4,5-Diamino-6-methylpyrimidine Hydrochloride. Group: Biochemicals. Alternative Names: 4,5-Diamino-6-methyl-pyrimidine Hydrochloride; NSC 122008 Hydrochloride. Grades: Highly Purified. Pack Sizes: 500mg. Molecular Formula: C5H9ClN4, Molecular Weight: 160.6. US Biological Life Sciences.
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4,5-Diaminopyrimidine
4,5-Diaminopyrimidine is an intermediate in the synthesis of Nisin, a compound that was first introduced as a good preservative and was later on discovered to have antibacterial activity against gram positive bacteria. 4,5-Diaminopyrimidine is also used as a reagent to synthesize uracil-based 2-aminoanilide derivatives, compounds that act as histone deacetylase inhibitors. Group: Biochemicals. Grades: Highly Purified. CAS No. 13754-19-3. Pack Sizes: 1g, 5g. Molecular Formula: C4H6N4, Molecular Weight: 110.12. US Biological Life Sciences.
Intermediate in the preparation of hydroxyalbuterol. Group: Biochemicals. Alternative Names: 5-[2-[(1,1-Dimethylethyl)amino]-1-hydroxyethyl]-2,3-bis(phenylmethoxy)-benzoic Acid Methyl Ester. Grades: Highly Purified. CAS No. 182676-93-3. Pack Sizes: 5mg. US Biological Life Sciences.
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4,5-Dibromo-2-(1-Methylethyl)-1H-Imidazole
4,5-Dibromo-2-(1-Methylethyl)-1H-Imidazole. Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 250mg, 1g. US Biological Life Sciences.
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4',5'-Dibromofluorescein
4',5'-Dibromofluorescein. Group: Biochemicals. Grades: Highly Purified. CAS No. 596-03-2. Pack Sizes: 50g, 100g, 250g, 500g, 1kg. US Biological Life Sciences.
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4,5-Dibromoveratrole
4,5-Dibromoveratrole. Group: Biochemicals. Grades: Highly Purified. CAS No. 37895-73-1. Pack Sizes: 10g, 25g, 50g, 100g, 250g. US Biological Life Sciences.
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4,5-Dicaffeoylquinic acid
4,5-Dicaffeoylquinic acid. Group: Biochemicals. Alternative Names: Isochlorogenic acid C; 32451-88-0. Grades: Plant Grade. CAS No. 57378-72-0. Pack Sizes: 20mg. Molecular Formula: C25H24O12, Molecular Weight: 516.451. US Biological Life Sciences.
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4,5-Dichloro-2-methoxybenzoic acid
4,5-Dichloro-2-methoxybenzoic acid. Group: Biochemicals. Grades: Reagent Grade. CAS No. 22775-37-7. Pack Sizes: 100mg, 250mg, 1g. US Biological Life Sciences.
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4,5-Dichloro-2-methyl-3(2H)-pyridazinone
4,5-Dichloro-2-methyl-3(2H)-pyridazinone. Group: Biochemicals. Grades: Highly Purified. CAS No. 933-76-6. Pack Sizes: 5g, 10g, 25g. US Biological Life Sciences.
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4,5-Dichloro-2-nitroaniline
4,5-Dichloro-2-nitroaniline. Group: Biochemicals. Grades: Highly Purified. CAS No. 6641-64-1. Pack Sizes: 10g, 25g, 50g, 100g, 250g. Molecular Formula: C6H4Cl2N2O2. US Biological Life Sciences.
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4,5-Dichloro-2-nitrophenol
4,5-Dichloro-2-nitrophenol. Group: Biochemicals. Alternative Names: 4,5-Dichloro-2-nitrophenol. Grades: Highly Purified. CAS No. 39224-65-2. Pack Sizes: 1g. Molecular Formula: C6H3Cl2NO3, Molecular Weight: 208. US Biological Life Sciences.
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4,5-Dichloro-3-hydroxypyridazine
4,5-Dichloro-3-hydroxypyridazine. Group: Biochemicals. Alternative Names: 4,5-Dichloro-3(2H)-pyridazinone. Grades: Highly Purified. CAS No. 932-22-9. Pack Sizes: 50g, 100g, 250g, 500g, 1kg. Molecular Formula: C4H2Cl2N2O. US Biological Life Sciences.
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4,5-Dichloro-3-hydroxypyridine
4,5-Dichloro-3-hydroxypyridine. Group: Biochemicals. Alternative Names: 4,5-Dichloropyridin-3-ol; 3,4-Dichloro-5-hydroxypyridine. Grades: Highly Purified. CAS No. 1261269-63-9. Pack Sizes: 100mg, 250mg, 500mg, 1g, 2g. Molecular Formula: C5H3Cl2NO. US Biological Life Sciences.
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4,5-Dichloro-7H-pyrrolo[2,3-d]pyrimidine
4,5-Dichloro-7H-pyrrolo[2,3-d]pyrimidine. Group: Biochemicals. Grades: Highly Purified. CAS No. 115093-90-8. Pack Sizes: 250mg, 500mg, 1g, 2g, 5g. Molecular Formula: C6H3Cl2N3. US Biological Life Sciences.
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4,5-Dichlorocatechol
Intermediate in the preparation of Dioxin derivatives. Group: Biochemicals. Alternative Names: 4,5-Dichloropyrocatechol; 4,5-Dichloro-1,2-benzenediol; 4,5-Dichloro-1,2-dihydroxybenzene. Grades: Highly Purified. CAS No. 3428-24-8. Pack Sizes: 250mg. US Biological Life Sciences.
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4,5-Dichloro-phenylenediamine
4,5-Dichloro-phenylenediamine. Group: Biochemicals. Alternative Names: 4,5-Dichloro-1,2-benzenediamine; 4,5-Dichloro-1,2-diaminobenzene; 4,5-Dichloro-1,2-phenylenediamine; 4,5-Dichloro-o-phenylenediamine; NSC 1577. Grades: Highly Purified. CAS No. 5348-42-5. Pack Sizes: 500mg, 1g, 5g, 25g. US Biological Life Sciences.
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4,5-Dichlorophthalic Anhydride
4,5-Dichlorophthalic Anhydride. Group: Biochemicals. Grades: Highly Purified. CAS No. 942-06-3. Pack Sizes: 1g, 2g, 5g, 10g, 25g. US Biological Life Sciences.
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4,5-Dichloropyrimidine
4,5-Dichloropyrimidine. Group: Biochemicals. Grades: Highly Purified. CAS No. 6554-61-6. Pack Sizes: 250mg, 500mg, 1g, 2g, 5g. Molecular Formula: C4H2Cl2N2. US Biological Life Sciences.