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.
Intermediate in the preparation of Epi Hydrocortisone derivatives. Group: Biochemicals. Alternative Names: 11,17,21-Trihydroxy-pregn-4-ene-3,20-dione Cyclic 3,20-Bis(1,2-ethanediyl Acetal). Grades: Highly Purified. Pack Sizes: 50mg. US Biological Life Sciences.
Worldwide
11 β,17α,21-Tris(acetyloxy)pregn-4-ene-3,20-dione
11 β,17α,21-Tris(acetyloxy)pregn-4-ene-3,20-dione. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1g. US Biological Life Sciences.
11 β-Hydroxy-16α-methyl-17,20:20,21-bis(methylenedioxy)-pregn-1,4-dien-3-one is a glucocorticoid intermediate used in the preparation of labelled Alclometasone-17,21-dipropionate (A514580). Group: Biochemicals. Alternative Names: (11 β,16α)-11-Hydroxy-16-methyl-17,20:20,21-bis[methylenebis(oxy)]-pregna-1,4-dien-3-one. Grades: Highly Purified. CAS No. 110428-42-7. Pack Sizes: 5mg. US Biological Life Sciences.
11 β-Hydroxy-16α-methyl-6-methylene-17,20:20,21-bis(methylenedioxy)-pregn-4-en-3-one is a glucocorticoid intermediate formed during the preparation of Cortivazol (C696700). Group: Biochemicals. Grades: Highly Purified. CAS No. 106712-27-0. Pack Sizes: 1mg. US Biological Life Sciences.
11 β-Hydroxy-6,16α-dimethyl-17,20:20,21-bis(methylenedioxy)-pregna-1,4,6-trien-3-one is a glucocorticoid intermediate formed during the preparation of Cortivazol (C696700). Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 500ug. US Biological Life Sciences.
Worldwide
11 β-Hydroxyboldione
11 β-Hydroxyboldione. Group: Biochemicals. Alternative Names: 11 β-Hydroxyandrosta-1,4-diene-3,17-dione; 1,4-Androstadien-11 β-ol-3,17-dione; 11 β-Hydroxyandrosta-1,4-dien-3,17-dione; 11 β-Hydroxyandrosta-1,4-diene-3,17-dione; Prednisolone Impurity D. Grades: Highly Purified. CAS No. 898-84-0. Pack Sizes: 1g. Molecular Formula: C19H24O3, Molecular Weight: 300.39. US Biological Life Sciences.
11-(Chloroacetyl)-5,11-dihydro-6H-pyrido[2,3-b][1,4]benzodiazepin-6-one. Group: Biochemicals. Grades: Highly Purified. CAS No. 28797-48-0. Pack Sizes: 5g. Molecular Formula: C14H10ClN3O2, Molecular Weight: 287.7. US Biological Life Sciences.
Worldwide
11-cis-3,4-Didehydro Retinal
11-cis-3,4-Didehydro Retinal is an isomer of Retinal (R240000) used in vision restoration and reconstitution treatments. Group: Biochemicals. Alternative Names: 11-cis-3-Dehydroretinal; 11-cis-Retinal2; 3,4-Dehydro-11-cis-retinal; Retinal2. Grades: Highly Purified. CAS No. 41470-05-7. Pack Sizes: 500ug. US Biological Life Sciences.
Worldwide
1, 1-Cyclopropane dicarboxylic Acid
1, 1-Cyclopropane dicarboxylic Acid. Group: Biochemicals. Alternative Names: 1-Carboxycyclopropane carboxylic Acid; Ethylenemalonic Acid; NSC 626865. Grades: Highly Purified. CAS No. 598-10-7. Pack Sizes: 5g. Molecular Formula: C5H6O4, Molecular Weight: 130.1. US Biological Life Sciences.
11-Cyclopropyl-5,11-dihydro-4-(hydroxymethyl)-6H-dipyrido[3,2-b:2',3'-e][1,4]diazepin-6-one, is a metabolite of Nevirapine (N391275), which is a potent (IC50=84nM) and selective non-nucleoside inhibitor of HIV-1 reverse transcriptase. It is also an antiviral. Group: Biochemicals. Alternative Names: 12-Hydroxy Nevirapine. Grades: Highly Purified. CAS No. 133627-24-4. Pack Sizes: 10mg. US Biological Life Sciences.
Worldwide
11-Deoxy Corticosterone-d7
Labelled Deoxycorticosterone. A mineralocorticoid that occurs in adrenal cortex. It acts as a precursor to Aldosterone (A514700). Group: Biochemicals. Alternative Names: 21-Hydroxypregn-4-ene-3,20-dione-d7; 11-Deoxycorticosterone-d7; 11-Dehydroxy-corticosterone-d7; 11-Desoxycorticosterone-d7; 21-Hydroxy-3,20-dioxopregn-4-ene-d7; 21-Hydroxy-4-pregnane-3,20-dione-d7. Grades: Highly Purified. Pack Sizes: 1mg. US Biological Life Sciences.
Worldwide
11-Desethyl Irinotecan
11-Desethyl Irinotecan is an impurity of the DNA topoisomerase inhibitor Irinotecan (I767500). Group: Biochemicals. Alternative Names: (4S)-4-Ethyl-3, 4, 12, 14-tetrahydro-4-hydroxy-3, 14-dioxo-1H-pyrano[3', 4':6, 7]indolizino[1, 2-b]quinolin-9-yl Ester [1,4'-Bipiperidine]-1'-carboxylic Acid; 1H-Pyrano[3', 4':6, 7]indolizino[1, 2-b]quinoline, [1,4'-Bipiperidine]-1'-carboxylic Acid deriv.; 10- [4- (1-Piperidino) -1-piperidinocarbonyloxy] camptothecin. Grades: Highly Purified. CAS No. 103816-16-6. Pack Sizes: 1mg. US Biological Life Sciences.
(1, 1-Dimethylethyl) dimethyl[ (1-methyl-3-butynyl) oxy]silane is used in the synthesis of postacyclin analogs. Group: Biochemicals. Alternative Names: (1, 1-Dimethylethyl) dimethyl[ (1-methyl-3-butyn-1-yl) oxy]silane. Grades: Highly Purified. CAS No. 80186-44-3. Pack Sizes: 100mg. US Biological Life Sciences.
Worldwide
1,1-Dimethyloxirane
1,1-Dimethyloxirane is an epoxide that is used as an initiator in the synthesis of polyisobutylenes. Group: Biochemicals. Alternative Names: α,α-Dimethylethylene Oxide; 2-Epoxy-2-methyl-propane; 1,2-Epoxy-2-methylpropane; 1,2-Epoxyisobutane; 1,2-Isobutylene Oxide; 2,2-Dimethyloxirane; 2-Methyl-1,2-epoxypropane; 2-Methyl-1-propene oxide; 2-Methyl-1-propenoxide; 2-Methylpropylene oxide; Isobutene Oxide; Isobutylene Epoxide; Isobutylene Oxide; NSC 24249. Grades: Highly Purified. CAS No. 558-30-5. Pack Sizes: 10g. US Biological Life Sciences.
Worldwide
1,1-Diphenylethylene
1,1-Diphenylethylene. Group: Biochemicals. Alternative Names: 1,1-Diphenylethene; 1,1-Diphenylethylene; 1,1'-Diphenylethylene; 1, 1'-Ethenylidenebis [benzene]; NSC 57645; unsym-Diphenylethylene; α,α-Diphenylethylene; α - methyl enediphenylmethane; α-Phenylstyrene. Grades: Highly Purified. CAS No. 530-48-3. Pack Sizes: 25g. Molecular Formula: C14H12, Molecular Weight: 180.25. US Biological Life Sciences.
1, 1'-[Dithiobis (methylene) ]biscyclopropaneacetic Acid is an intermediate in the synthesis of Montelukast (M568000), a selective leukotriene D4-receptor antagonist used as an antiasthmatic agent. Group: Biochemicals. Grades: Highly Purified. CAS No. 162515-67-5. Pack Sizes: 50mg. US Biological Life Sciences.
1, 1'-[Dithiobis (methylene) ]biscyclopropaneacetic Acid Methyl Ester is an intermediate in the synthesis of Montelukast (M568000), a selective leukotriene D4-receptor antagonist used as an antiasthmatic agent. Group: Biochemicals. Grades: Highly Purified. CAS No. 1446481-28-2. Pack Sizes: 100mg. US Biological Life Sciences.
1,1'-[Ethylidenebis(2,3-dichloro-4,1-phenylene)]bis[4-methyl-piperazine. Group: Biochemicals. Grades: Highly Purified. CAS No. 519138-47-7. Pack Sizes: 5mg. US Biological Life Sciences.
Worldwide
1,1'-Ethylidenebis[2,3-dichloro-4-methoxy-benzene
1,1'-Ethylidenebis[2,3-dichloro-4-methoxy-benzene is an intermediate in the preparation of ethylidene bisaripiprazole. Group: Biochemicals. Grades: Highly Purified. CAS No. 397301-41-6. Pack Sizes: 10mg. US Biological Life Sciences.
Worldwide
1,1-Ethylidenebis[L-tryptophan]
1,1-Ethylidenebis[L-tryptophan]. Group: Biochemicals. Alternative Names: 1,1'-Ethylidenebis-L-tryptophan. Grades: Highly Purified. CAS No. 132685-02-0. Pack Sizes: 10mg, 25mg, 50mg. Molecular Formula: C24H26N4O4, Molecular Weight: 434.49. US Biological Life Sciences.
Intermediate for the synthesis of labeled Misoprostol. Group: Biochemicals. Alternative Names: (8R,11R,12R,16RS)-16-Methyl-9-oxo-11-[(triethylsilyl)oxy]-16-[(trimethylsilyl)oxy]-. Grades: Highly Purified. Pack Sizes: 2.5mg. US Biological Life Sciences.
Worldwide
11-Oxo-betamethasone Dipropionate
11-Oxo-betamethasone Dipropionate. Group: Biochemicals. Alternative Names: (16 β)-9-Fluoro-16-methyl-17,21-bis(1-oxopropoxy)-pregna-1,4-diene-3,11,20-trione. Grades: Highly Purified. CAS No. 64967-90-4. Pack Sizes: 50mg. Molecular Formula: C28H35FO7, Molecular Weight: 502.57. US Biological Life Sciences.
Worldwide
11-Oxo Fluticasone Propionate
11-Oxo Fluticasone Propionate is an impurity of Fluticasone Propionate (F599500), a derivative of Flumethasone (F455000). An antiallergic; anti-asthmatic; anti-inflammatory. Group: Biochemicals. Alternative Names: (6α, 16α, 17α)-6, 9-Difluoro-16-methyl-3, 11-dioxo-17-(1-oxopropoxy)androsta-1, 4-diene-17-carbothioic Acid S-(Fluoromethyl) Ester. Grades: Highly Purified. CAS No. 1219174-94-3. Pack Sizes: 10mg. US Biological Life Sciences.
1-(1-Oxopropyl)-(4S)-4-cyclohexyl-L-proline is an impurity of Fosinopril (F727800), a phosphinic acid containing ACE inhibitor that exhibits antihypertensive properties. Group: Biochemicals. Grades: Highly Purified. CAS No. 1421283-57-9. Pack Sizes: 100mg. US Biological Life Sciences.
1,1-Thiobismethane. Group: Biochemicals. Alternative Names: 2-Thiapropane; DMS; Dimethyl Monosulfide; Dimethyl Sulfide; Dimethyl Sulphide; Dimethyl Thioether; Methyl Monosulfide; Methylthiomethane; Thiobis(methane). Grades: Highly Purified. CAS No. 75-18-3. Pack Sizes: 1g. Molecular Formula: C2H6S, Molecular Weight: 62.13. US Biological Life Sciences.
Worldwide
1,1-Thiobismethane-d3
1,1-Thiobismethane-d3. Group: Biochemicals. Alternative Names: 2-Thiapropane-d6; DMS-d6; Dimethyl Monosulfide-d6; Dimethyl Sulfide-d6; Dimethyl Sulphide-d6; Dimethyl Thioether-d6; Methyl Monosulfide-d6; Methylthiomethane-d6; Thiobis(methane)-d6. Grades: Highly Purified. CAS No. 926-09-0. Pack Sizes: 100mg. Molecular Formula: C2D6S, Molecular Weight: 68.17. US Biological Life Sciences.
Worldwide
1, 1-Thiocarbonyl diimidazole
1, 1-Thiocarbonyl diimidazole can be used to deoxygenate carboxylic monosaccharide analogues. Group: Biochemicals. Grades: Highly Purified. CAS No. 6160-65-2. Pack Sizes: 1g, 10g, 25g, 50g. Molecular Formula: C?H?N?S. US Biological Life Sciences.
1-[(2,2-Dimethyl-1,3-dioxolan-4-yl)methoxy]-3-[4-(2-methoxyethyl)phenoxy]-2-propanol is an by-product in the synthesis of Metoprolol Tartrate (M338790), an β1 selective aryloxypropanolamine andrenergic antagonist. Group: Biochemicals. Grades: Highly Purified. CAS No. 163685-40-3. Pack Sizes: 10mg. US Biological Life Sciences.