A directory of where to buy chemicals in the USA, including: distributors, industrial manufacturers, bulk supplies and wholesalers of raw ingredients & finished goods.
2-((E)-3-((1S)-1-((tert-Butyldimethylsilyl)oxy)-3-(2-(2-((tert-butyldimethylsilyl)oxy)oxiran-2-yl)phenyl)propyl)styryl)-7-chloroquinoline 1-Oxide is an impurity of Montelukast, which is a leukotriene D4-receptor antagonist used in the treatment of allergies and asthma. Grades: 98%. Molecular formula: C40H52ClNO4Si2. Mole weight: 702.47.
Heterocyclic Organic Compound. Alternative Names: 2-[(E)-3-(3,3-DIMETHYL-1-PHENYL-1,3-DIHYDRO-2H-INDOL-2-YLIDENE)-1-PROPENYL]-3,3-DIMETHYL-1-PHENYL-3H-INDOLIUM CHLORIDE;2-[3-(3,3-DIMETHYL-1-PHENYL-2-INDOLINYLIDENE)PROPENYL]-3,3-DIMETHYL-1-PHENYL-3H-INDOLIUM CHLORIDE;2-[(E)-3-(3,3-Dimethyl-1-phenyl-1,3-d. CAS No. 122295-58-3. Molecular formula: C35H33ClN2. Mole weight: 517.1. Catalog: ACM122295583.
2-[ (E) -[ (4-Fluorophenyl) imino]methyl]phenol
2-[ (E) -[ (4-Fluorophenyl) imino]methyl]phenol is an an impurity of Ezetimibe (E975000), which is an antihyperlipoproteinem ic and a cholesterol absorption inhibitor. Group: Biochemicals. Grades: Highly Purified. CAS No. 252573-77-6. Pack Sizes: 100mg, 250mg. Molecular Formula: C13H10FNO, Molecular Weight: 215.22. US Biological Life Sciences.
2-Eicosapentaenoyl-sn-glycerol-3-phosphocholine-d5 is labelled 2-Eicosapentaenoyl-sn-glycerol-3-phosphocholine (E477890) which is a poly unsaturated fatty acid derivative. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 2.5mg, 5mg. Molecular Formula: C28H43D5NO7P, Molecular Weight: 546.69. US Biological Life Sciences.
Worldwide
2-Eicosyl-1-tetracosanol
2-Eicosyl-1-tetracosanol works as a surfactant in cosmetics. Group: Biochemicals. Grades: Highly Purified. CAS No. 73761-81-6. Pack Sizes: 100mg, 1g. Molecular Formula: C44H90O, Molecular Weight: 635.179999999999. US Biological Life Sciences.
An iron-sulfur-flavoprotein (FAD). Acts (in the reverse direction) on a wide range of alkyl and aryl αβ-unsaturated carboxylate ions; but-2-enoate was the best substrate tested. Group: Enzymes. Synonyms: enoate reductase. Enzyme Commission Number: EC 1.3.1.31. CAS No. 70712-51-5. 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-1304; 2-enoate reductase; EC 1.3.1.31; 70712-51-5; enoate reductase. Cat No: EXWM-1304.
2-epi-5-epi-valiolone 7-kinase
The enzyme, characterized from the bacterium Actinoplanes sp. SE50/110, is involved in the biosynthesis of the oligosaccharide acarbose. Group: Enzymes. Synonyms: AcbM. Enzyme Commission Number: EC 2.7.1.188. 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-3020; 2-epi-5-epi-valiolone 7-kinase; EC 2.7.1.188; AcbM. Cat No: EXWM-3020.
2-epi-5-epi-valiolone 7-phosphate 2-epimerase
The enzyme, isolated from the bacterium Actinoplanes sp. SE 50/110, is involved in the biosynthesis of the α-glucosidase inhibitor acarbose. Group: Enzymes. Synonyms: AcbO. Enzyme Commission Number: EC 5.1.3.35. 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-5422; 2-epi-5-epi-valiolone 7-phosphate 2-epimerase; EC 5.1.3.35; AcbO. Cat No: EXWM-5422.
2-epi-5-epi-valiolone epimerase
The enzyme, characterized from the bacterium Actinomyces sp. Lu 9419, is involved in the biosynthesis of the antitumor agent cetoniacytone A. Group: Enzymes. Synonyms: CetB; EVE. Enzyme Commission Number: EC 5.1.3.33. 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-5420; 2-epi-5-epi-valiolone epimerase; EC 5.1.3.33; CetB; EVE. Cat No: EXWM-5420.
2-epi-5-epi-valiolone synthase
The enzyme is highly specific for α-D-sedoheptulopyranose 7-phosphate. It requires a divalent metal ion (Zn2+ or Co2+) and an NAD+ cofactor, which is transiently reduced during the reaction. The enzyme is involved in the biosynthesis of C7N-aminocyclitol natural products, such as the valienamine moiety of the antidiabetic drug acarbose and the crop protectant validamycin A. cf. EC 4.2.3.155, 2-epi-valiolone synthase and EC 4.2.3.154, demethyl-4-deoxygadusol synthase. Group: Enzymes. Synonyms: AcbC; ValA; CetA; SalQ; C7-cyclitol synthase. Enzyme Commission Number: EC 4.2.3.152. 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-5167; 2-epi-5-epi-valiolone synthase; EC 4.2.3.152; AcbC; ValA; CetA; SalQ; C7-cyclitol synthase. Cat No: EXWM-5167.
2'-epi-(6S,7S)-Lincomycin
2'-epi-(6S,7S)-Lincomycin is an isomer of Lincomycin, which is a lincosamide antibiotic from the actinomycete Streptomyces lincolnensis. Synonyms: Methyl (6S,7S)-6,8-Dideoxy-6-[[[(2R,4R)-1-methyl-4-propyl-2-pyrrolidinyl]carbonyl]amino]-1-thio-D-threo-α-D-galacto-octopyranoside; Lincomycin Impurity A. Molecular formula: C18H34N2O6S. Mole weight: 406.54.
2-epi-(6S,7S)-Lincomycin
2-epi-(6S,7S)-Lincomycin is an isomer of Lincomycin (L466230); a lincosamide antibiotic that forms cross-links within the peptidyl transferase loop region of the 23S rRNA. Inhibits bacterial protein synthesis. Antibacterial. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1mg, 2.5mg. Molecular Formula: C18H34N2O6S, Molecular Weight: 406.54. US Biological Life Sciences.
Worldwide
2-epi-(6S,7S)-Lincomycin-d3
2-epi-(6S,7S)-Lincomycin-d3 is the isotope labelled analog of 2-epi-(6S,7S)-Lincomycin (L466215); an isomer of Lincomycin (L466230) which is a lincosamide antibiotic that forms cross-links within the peptidyl transferase loop region of the 23S rRNA. Inhibits bacterial protein synthesis. Antibacterial. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 500ug, 2.5mg. Molecular Formula: C18H31D3N2O6S, Molecular Weight: 409.56. US Biological Life Sciences.
Worldwide
2-epi-Darunavir
2-epi-Darunavir is a stereoisomer to Darunavir (D193500), a second generation HIV-1-protease inhibitor; structurally similar to amprenavir. Antiviral. Group: Biochemicals. Grades: Highly Purified. CAS No. 850141-19-4. Pack Sizes: 1mg, 5mg. Molecular Formula: C27H37N3O7S. US Biological Life Sciences.
2'-epi DTA-1 is derived from Benzaldehyde (B119740), which is mainly used as a precursor to other organic compounds, such as pharmaceuticals, and plastic additives. It is also the primary component of bitter almond oil and can be extracted from a number of other natural sources, and thus can be used for the almond flavor. Group: Biochemicals. Grades: Highly Purified. CAS No. 151636-78-1. Pack Sizes: 1mg. Molecular Formula: C49H55Cl6NO18, Molecular Weight: 1158.67. US Biological Life Sciences.
Worldwide
2-epi Emtricitabine
2-epi Emtricitabine. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 4-amino-5-fluoro-1-((2S,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one. CAS No. 145416-34-8. Molecular Formula: C8H10FN3O3S. Mole Weight: 247.25. Catalog: APB145416348.
2-epi-Emtricitabine
The 2-epi-enantiomer analogue of (-)-Emtricitabine. Synonyms: 4-Amino-5-fluoro-1-[(2S,5S)-2-hydroxymethyl)-1,3-oxathiolan-5-yl]-2-(1H-pyrimidinone (2S-trans)-4-Amino-5-fluoro-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2(1H)-pyrimidinone. Grades: > 95%. CAS No. 145416-34-8. Molecular formula: C8H10FN3O3S. Mole weight: 247.25.
2-epi-Fagomine
2-epi-Fagomine is an analog of Fagomine (F101055); an iminosugar which may reduce the risks of developing insulin resistance and becoming overweight. Also lowers blood glucose and modulates bacterial adhesion. Group: Biochemicals. Grades: Highly Purified. CAS No. 1129725-67-2. Pack Sizes: 1mg. Molecular Formula: C6H13NO3, Molecular Weight: 147.169999999999. US Biological Life Sciences.
Worldwide
2-epi-Fialuridine
An antiviral agent; nucleoside analog with antihepatitis B activity. Group: Biochemicals. Alternative Names: 2'-Deoxy-2'-fluoro-5-iodouridine; FIRU. Grades: Highly Purified. CAS No. 55612-21-0. Pack Sizes: 50mg. US Biological Life Sciences.
Worldwide
2-epi-Ivermectin B1a
2-epi-Ivermectin B1a is an epimer of Ivermectin, semi-synthetic derivative of Abamectin. Ivermectin is a broad-spectrum antiparasitic agent, traditionally against parasitic worms. It is mainly used in humans in the treatment of onchocerciasis (river blindness), but is also effective against other worm infestations. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1mg, 5mg. Molecular Formula: C48H74O14. US Biological Life Sciences.
Worldwide
2'-Epi-lamivudine
2'-Epi-lamivudine. Group: Biochemicals. Alternative Names: 4-Amino-1-[(2S,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2(1H)-pyrimidinone; (2S-trans)-4-Amino-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2(1H)-pyrimidinone; trans(-)-2-Hydroxymethyl-5-(cytosin-1-yl)-1,3-oxathiolane. Grades: Highly Purified. CAS No. 136846-20-3. Pack Sizes: 5mg, 10mg, 25mg, 50mg, 100mg. Molecular Formula: C8H11N3O3S. US Biological Life Sciences.
Worldwide
2'-Epi-Lamivudine
An epimer of Lamivudine, an antiviral that inhibits HIV-reverse transcriptase. Synonyms: (+/-)-trans-Lamivudine; 4-Amino-1-[(2S,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2(1H)-pyrimidinone; (2S-trans)-4-Amino-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2(1H)-pyrimidinone; trans(-)-2-Hydroxymethyl-5-(cytosin-1-yl)-1,3-oxathiolane. Grades: > 95%. CAS No. 136846-20-3. Molecular formula: C8H11N3O3S. Mole weight: 229.26.
2-Epi-Lamivudine
An epimer of Lamivudine ; an antiviral that inhibits HIV-reverse transcriptase. Group: Biochemicals. Alternative Names: 4-Amino-1-[(2S,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2(1H)-pyrimidinone; (2S-trans)-4-Amino-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2(1H)-pyrimidinone; trans(-)-2-Hydroxymethyl-5-(cytosin-1-yl)-1,3-oxathiolane. Grades: Highly Purified. CAS No. 136846-20-3. Pack Sizes: 5mg. US Biological Life Sciences.
Worldwide
2'-epi-Lincomycin
2'-epi-Lincomycin is an epimer of Clindamycin, which is a semi-synthetic antibiotic prepared from Lincomycin. Synonyms: Methyl 6,8-dideoxy-6-[[[(2R,4R)-1-methyl-4-propyl-2-pyrrolidinyl]carbonyl]amino]-1- thio-D-threo-α-D-galacto-octopyranoside. Grades: 95%. Molecular formula: C18H34N2O6S. Mole weight: 406.54.
2-epi-Lincomycin
2-epi-Lincomycin is an epimer of Lincomycin (L466200) which is a 6-amino, 6-deoxy-octopyraninose with strong antibiotic activity. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 250ug, 2.5mg. Molecular Formula: C18H34N2O6S. US Biological Life Sciences.
Worldwide
2-epi-Ramipril
2R-isomer of Ramipril.Ramipril is an angiotensin-converting enzyme inhibitor. It can be used for treatment of hypertension and congestive heart failure. Synonyms: (2S, 3aS, 6aS) -1- [ (2R) -2- [ [ (1S) -1- (Ethoxycarbonyl) -3-phenylpropyl]amino]-1-oxopropyl]octahydrocyclopenta [b]pyrrole-2-carboxylic Acid; [2S- [1 [S* (R*) ], 2α , 3aβ , 6aβ ]]-1- [2- [ [1- (Ethoxycarbonyl) -3-phenylpropyl]amino]-1-oxopropyl]octahydrocyclopenta [b]pyrrole-2-carboxylic Acid; (2R)-Ramipril. Grades: > 95%. CAS No. 129939-65-7. Molecular formula: C23H32N2O5. Mole weight: 416.52.
2'-epi-Sofosbuvir Desphosphate
2'-epi-Sofosbuvir Desphosphate is a possible metabolite of Sofosbuvir which is a prodrug that is metabolized to the active antiviral agent 2'-deoxy-2'-α-fluoro-β-C-methyluridine-5'-monophosphate and is currently being investigated in phase 3 clinical trials for the treatment of hepatitis C. Molecular formula: C10H13FN2O5. Mole weight: 260.22.
2-epi-Sofosbuvir Desphosphate
2-epi-Sofosbuvir Desphosphate is possible metabolite of Sofosbuvir (P839640) which is a prodrug that is metabolized to the active antiviral agent 2'-deoxy-2'-α-fluoro- β-C-methyluridine-5'-monophosphate and is currently being investigated in phase 3 clinical trials for the treatment of hepatitis C. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1mg. Molecular Formula: C10H13FN2O5, Molecular Weight: 260.22. US Biological Life Sciences.
Worldwide
2'-epi-Taxol
2'-epi-Taxol is one of Paclitaxel impurities. Paclitaxel is a tetracyclic diterpenoid isolated originally from the Pacific yew tree Taxus brevifolia. It is a mitotic inhibitor used in cancer chemotherapy. It has a role as a microtubule-stabilising agent, a metabolite, a human metabolite and an antineoplastic agent. Synonyms: [2aR-[2aα, 4β, 4aβ, 6β, 9α(αS*, βS*), 11α, 12α, 12aα, 12bα]]-β-(Benzoylamino)-α-hydroxy-6, 12b-bis(acetyloxy)-12-(benzoyloxy)-2a, 3, 4, 4a, 5, 6, 9, 10, 11, 12, 12a, 12b-dodecahydro-4, 11-dihydroxy-4a, 8, 13, 13-tetramethyl-5-oxo-7, 11-methano-1H-cyclodeca[3, 4]benz[1, 2-b]oxet-9-yl Ester Benzenepropanoic Acid; 2'-epi-Paclitaxel; 2'-epi-Taxol A. CAS No. 179798-21-1. Molecular formula: C47H51NO14. Mole weight: 853.90.
2-epi-Taxol
2-epi-Taxol can be synthesized from natural Taxol, also known as Paclitaxel (P132500), an antineoplastic. Group: Biochemicals. Grades: Highly Purified. CAS No. 179798-21-1. Pack Sizes: 10mg, 25mg. Molecular Formula: C47H51NO14, Molecular Weight: 853.91. US Biological Life Sciences.
Worldwide
2-epi-valiolone synthase
The enzyme, characterized from the bacteria Actinosynnema mirum and Stigmatella aurantiaca DW4/3-1, produces 2-epi-valiolone, which is believed to function as a precursor in aminocyclitol biosynthesis. It requires a divalent metal ion (Zn2+ or Co2+) and an NAD+ cofactor, which is transiently reduced during the reaction. cf. EC 4.2.3.152, 2-epi-5-epi-valiolone synthase and EC 4.2.3.154, demethyl-4-deoxygadusol synthase. Group: Enzymes. Enzyme Commission Number: EC 4.2.3.155. 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-5170; 2-epi-valiolone synthase; EC 4.2.3.155. Cat No: EXWM-5170.
2-(Ethanesulfonyl)-3-nitropyridine
2-(Ethanesulfonyl)-3-nitropyridine. Group: Biochemicals. Grades: Highly Purified. CAS No. 56825-33-3. Pack Sizes: 25mg, 50mg. Molecular Formula: C7H8N2O4S, Molecular Weight: 216.21. US Biological Life Sciences.
2-(Ethanesulfonyl)-5-(tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine. Group: Biochemicals. Grades: Highly Purified. CAS No. 1449010-00-7. Pack Sizes: 25mg, 50mg. Molecular Formula: C13H20BNO4S, Molecular Weight: 297.18. US Biological Life Sciences.
Worldwide
2-[ (Ethanesulfonyl) methyl]benzonitrile
2-[ (Ethanesulfonyl) methyl]benzonitrile. Group: Biochemicals. Grades: Highly Purified. CAS No. 1267101-21-2. Pack Sizes: 25mg, 50mg. Molecular Formula: C10H11NO2S, Molecular Weight: 209.264999999999. US Biological Life Sciences.
Worldwide
2- (Ethanesulfony) nicotinonitrile
2- (Ethanesulfony) nicotinonitrile. Group: Biochemicals. Grades: Highly Purified. CAS No. 1437794-55-2. Pack Sizes: 100mg, 250mg. Molecular Formula: C8H8N2O2S, Molecular Weight: 196.23. US Biological Life Sciences.
Worldwide
2-Ethanolpiperidine, 95% (2-piperidineethanol)
2-Ethanolpiperidine, 95% (2-piperidineethanol). Group: Biochemicals. Alternative Names: 2-piperidineethanol. Grades: Highly Purified. Pack Sizes: 10g. US Biological Life Sciences.
Worldwide
2-Ethenyl-1,1-dimethyl-3-methylenecyclohexane
2-Ethenyl-1,1-dimethyl-3-methylenecyclohexane is a volatile constituent of the fruit of Garcinia atroviridis and exhibits antibacterial and anti-inflammatory properties. Group: Biochemicals. Grades: Highly Purified. CAS No. 95452-08-7. Pack Sizes: 5mg, 25mg. Molecular Formula: C11H18, Molecular Weight: 150.26. US Biological Life Sciences.
2-Ethenyl-1,1-dimethyl-3-methylenecyclohexane-D2,13C is deuterium labelled 2-Ethenyl-1,1-dimethyl-3-methylenecyclohexane (M322932). 2-Ethenyl-1,1-dimethyl-3-methylenecyclohexane is a volatile constituent of the fruit of Garcinia atroviridis and exhibits antibacterial and anti-inflammatory properties. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1mg, 2.5mg. Molecular Formula: C1013CH16D2, Molecular Weight: 153.27. US Biological Life Sciences.
2-Ethenyl-5-oxo-1-pyrrolidinecarboxylic Acid tert-Butyl Ester is an intermediate in the preparation of rac-Vigabatrin Hydrochloride (V253010). Group: Biochemicals. Alternative Names: 2-Ethenyl-5-oxo-1-pyrrolidinecarboxylic Acid 1,1-Dimethylethyl Ester. Grades: Highly Purified. CAS No. 160428-64-8. Pack Sizes: 50mg. US Biological Life Sciences.
A byproduct formed during the synthesis of labeled Candesartan. Group: Biochemicals. Alternative Names: 2-Ethoxy-1-[[2'-[1-(triphenylmethyl)-1H-tetrazol-5-yl][1,1'-biphenyl]-4-yl]methyl]-1H-benzimidazole-4-carboxylic Acid Methyl Ester-d4. Grades: Highly Purified. Pack Sizes: 10mg. US Biological Life Sciences.
Azilsartan derivative. Intermediate in the synthesis of angiotensin II receptor antagonist. Group: Biochemicals. Grades: Highly Purified. CAS No. 147403-65-4. Pack Sizes: 5mg. US Biological Life Sciences.
Worldwide
2-Ethoxy-1-ethoxycarbonyl-1,2-dihydroquinoline
2-Ethoxy-1-ethoxycarbonyl-1,2-dihydroquinoline is used in the synthesis of Glycochenodeoxycholic Acid 3-Sulfate Disodium Salt which is a bile salt formed in the liver from chenodeoxycholate and glycine, usually as the sodium salt. It acts as a detergent to solubilize fats for absorption and is itself absorbed. It is a cholagogue and choleretic. Synonyms: 1-(Ethoxycarbonyl)-2-ethoxy-1,2-dihydroquinoline; 2-Ethoxy-1(2H)-quinolinecarboxylic acid ethyl ester; 2-Ethoxy-1-(ethoxycarbonyl)-1,2-dihydroquinoline; 2-Ethoxy-N-(ethoxycarbonyl)-1,2-dihydroquinoline; EEDQ; Ethyl 2-ethoxy-1(2H)-quinolinecarboxylate; N-(Ethoxycarbonyl)-2-ethoxy-1,2-dihydroquinoline; N-Carbethoxy-2-ethoxy-1,2-dihydroquinoline; NSC 147831; Ethyl N-(2-ethoxy-1,2-dihydroquinoline)carboxylate. Grades: 99 % (HPLC). CAS No. 16357-59-8. Molecular formula: C14H17NO3. Mole weight: 247.29.
2-Ethoxy-1-ethoxycarbonyl-1,2-dihydroQuinoline
2-Ethoxy-1-ethoxycarbonyl-1,2-dihydroQuinoline. Group: Biochemicals. Grades: Highly Purified. CAS No. 16357-59-8. Pack Sizes: 50g, 100g, 250g, 500g, 1kg. Molecular Formula: C14H17NO3. US Biological Life Sciences.
Worldwide
2-Ethoxy-1-fluoro-4-nitrobenzene
2-Ethoxy-1-fluoro-4-nitrobenzene. Group: Biochemicals. Grades: Highly Purified. CAS No. 1093656-34-8. Pack Sizes: 100mg, 250mg. Molecular Formula: C8H8FNO3, Molecular Weight: 185.15. US Biological Life Sciences.
Worldwide
2-Ethoxy-1-fluoro-4- (trifluoromethoxy) benzene
2-Ethoxy-1-fluoro-4- (trifluoromethoxy) benzene. Group: Biochemicals. Grades: Highly Purified. CAS No. 1355247-03-8. Pack Sizes: 100mg, 250mg. Molecular Formula: C9H8F4O2, Molecular Weight: 224.15. US Biological Life Sciences.