A directory of where to buy chemicals in the USA, including: distributors, industrial manufacturers, bulk supplies and wholesalers of raw ingredients & finished goods.
The enzyme from Escherichia coli requires Mg2+ or Mn2+. Forms part of an alternative nonmevalonate pathway for terpenoid biosynthesis (for diagram, click here). Group: Enzymes. Synonyms: CDP-ME kinase. Enzyme Commission Number: EC 2.7.1.148. CAS No. 263016-77-9. 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-2978; 4-(cytidine 5'-diphospho)-2-C-methyl-D-erythritol kinase; EC 2.7.1.148; 263016-77-9; CDP-ME kinase. Cat No: EXWM-2978.
4-DAMP
4-DAMP is a potent and selective antagonist of the M3 cholinergic receptor. [3H]-4-DAMP selectively labels M1 and M3 receptors. Blockade of mAChR M2 leads to a decrease of blood pressure in dose manner in spotaneously hypertensive rats. Synonyms: 1,1-Dimethyl-4-diphenylacetoxypiperidinium iodide; 4-Damp methiodide; 4-Diphenylacetoxy-N-methylpiperidine methiodide; 4-DAMP iodide. Grade: ≥99% by HPLC. CAS No. 1952-15-4. Molecular formula: C21H26INO2. Mole weight: 451.33.
4-DAMP
4-DAMP is a potent antagonist of the muscarinic M3 receptor (pKi = 9.3). It is routinely used to study the regulation and functions of the M3 receptor. 4-DAMP also has a high affinity for the closely-related M5 receptor (pKi = 8.9). Group: Biochemicals. Alternative Names: 4-[(2,2-Diphenylacetyl)oxy]-1,1-dimethylpiperidinium Iodide (1:1); 4-[(Diphenylacetyl)oxy]-1,1-dimethyl-Piperidinium Iodide (9CI); 4-Hydroxy-1,1-dimethyl-piperidinium Iodide Diphenylacetate; 4-Benziloyloxy-N-methylpiperidine Methiodide; 4-DAMP; 4-DAMP Methiodide; 4-Diphenylacetoxy-N-methylpiperidine Methiodide; 4-Diphenylacetyloxy-N-methylpiperidine Methiodide; N, N-Dimethyl-4- (diphenylacetoxy) piperidinium Iodide. Grades: Highly Purified. CAS No. 1952-15-4. Pack Sizes: 25mg, 50mg, 100mg. Molecular Formula: C21H26INO2, Molecular Weight: 451.34. US Biological Life Sciences.
Worldwide
4-dCTP (Biotin)
Biotin-labeled Nucleotides are used for non-fluorescent labeling of nucleic acids in purification and detection applications. Group: Biochemicals. Alternative Names: 5-Propargylamino-2-deoxy-cytidine-5-triphosphate (Biotin), Triethylammonium Salt. Grades: Highly Purified. Pack Sizes: 200ul. US Biological Life Sciences.
Worldwide
4-Deacetyl-4-propionyl Cabazitaxel
4-Deacetyl-4-propionyl Cabazitaxel is an impurity of Cabazitaxel, which is a microtubule inhibitor for the treatment of hormone-refractory prostate cancer. Synonyms: (2α,5β,7β,10β,13α)-1-Hydroxy-13-{[(2R,3S)-2-hydroxy-3-({[(2-methyl-2-propanyl)oxy]carbonyl}amino)-3-phenylpropanoyl]oxy}-7,10-dimethoxy-9-oxo-4-(propionyloxy)-5,20-epoxytax-11-en-2-yl benzoate; Benzenepropanoic acid, β-[[(1,1-dimethylethoxy)carbonyl]amino]-α-hydroxy-, (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12-(benzoyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-11-hydroxy-4,6-dimethoxy-4a,8,13,13-tetramethyl-5-oxo-12b-(1-oxopropoxy)-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl ester, (αR,βS)-. Molecular formula: C46H59NO14. Mole weight: 849.96.
4-Dechloro-4-hydroxy Diclazuril is an impurity of Diclazuril (D436200), a nucleotide analog with broad-spectrum anticoccidial activity. Group: Biochemicals. Alternative Names: 2, 6-Dichloro-4- (4, 5-dihydro-3, 5-dioxo-1, 2, 4-triazin-2 (3H) -yl) -α - (4-hydroxyphenyl) benzeneacetonitrile. Grades: Highly Purified. CAS No. 112206-71-0. Pack Sizes: 1mg. US Biological Life Sciences.
Worldwide
4-Dechloro-4-hydroxy Diclazuril Methyl Ester
4-Dechloro-4-hydroxy Diclazuril Methyl Ester. Group: Biochemicals. Alternative Names: 2,6-Dichloro-4-(4,5-dihydro-3,5-dioxo-1,2,4-triazin-2(3H)-yl)-α-(4-methoxyphenyl)-benzeneacetonitrile. Grades: Highly Purified. CAS No. 1101258-51-8. Pack Sizes: 5mg. US Biological Life Sciences.
4-Dechloro-4-hydroxy Methyl Ester Diclazuril 6-Carboxylic Acid is an impurity of Diclazuril (D436200), a nucleotide analog with broad-spectrum anticoccidial activity. Coccidiostat. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 5mg. US Biological Life Sciences.
Worldwide
4-Dechlorothiomelin
4-Dechlorothiomelin is a xanthone compound obtained from Lichen Rinodina thiomela. Synonyms: 9H-Xanthen-9-one, 2-chloro-1,8-dihydroxy-5-methoxy-6-methyl-; ACMC-20mix1. CAS No. 113734-84-2. Molecular formula: C15H11ClO5. Mole weight: 306.7.
4-Decyloxybenzaldehyde. Alternative Names: p-n-Decyloxybenzaldehyde. CAS No. 24083-16-7. Purity: >97.0%. Product ID: FFC-AR-24083167. Molecular formula: C17H26O2. Mole weight: 262.39. IUPAC Name: 4-decoxybenzaldehyde. Alfa Chemistry - ISO 9001:32057 Certified.
4-Decyloxybenzaldehyde
Low melting solid, 98%. CAS No. 24083-16-7. Pack Sizes: Typically in stock: 10g, 50g. Mole weight: 262.39. MP/BP: B.P. 174-175/0.4 mm. Order No: FR-0996.
Frinton Laboratories
4-Decyloxybenzoic acid
White powder, liquid crystal, 99%. CAS No. 5519-23-3. Pack Sizes: Typically in stock: 10g, 50g. Mole weight: 278.39. MP/BP: M.P. 97 (S), 122 (N), 142 (I). Order No: FR-1144.
4-Decynoic acid. CAS No. 16900-59-7. Product ID: ACM16900597. Alfa Chemistry - ISO 9001:32057 Certified.
4-[(Dedimethylamino)methyl-2-Bromomethyl-Arbidol
4-[(Dedimethylamino)methyl-2-Bromomethyl-Arbidol is an impurity of Arbidol, a medicinal agent for treating viral infections. Synonyms: 6-Bromo-2-(bromomethyl)-5-hydroxy-1-methyl-ethyl ester-1H-indole-3-carboxylic acid. CAS No. 149246-36-6. Molecular formula: C13H13Br2NO3. Mole weight: 391.05.
4-Defluoro-4-hydroxy gefitinib. Group: Biochemicals. Alternative Names: 2-Chloro-4- [ [7-methoxy-6- [3- (4-morpholinyl) propoxy] -4-quinazolinyl] amino] phenol. Grades: Highly Purified. CAS No. 847949-50-2. Pack Sizes: 10mg, 25mg, 50mg, 100mg. Molecular Formula: C22H25ClN4O4. US Biological Life Sciences.
Worldwide
4-Defluoro-4-hydroxy Gefitinib
4-Defluoro-4-hydroxy Gefitinib is a metabolite of Gefitinib. Synonyms: 2-Chloro-4-[[7-methoxy-6-[3-(4-morpholinyl)propoxy]-4-quinazolinyl]amino]phenol; Phenol, 2-chloro-4-[[7-Methoxy-6-[3-(4-Morpholinyl)propoxy]-4-quinazolinyl]aMino]-; 2-Chloro-4-[[7-Methoxy-6-[3-(4-Morpholinyl)propoxy]-4-quinazolinyl]aMino]phenol; Gefitinib iM. Grade: > 95%. CAS No. 847949-50-2. Molecular formula: C22H25ClN4O4. Mole weight: 444.92.
4-Defluoro Dolutegravir
An impurity of Dolutegravir. Dolutegravir is an antiretroviral drug belonging to the integrase strand transfer inhibitor (INSTI) class. Synonyms: Dolutegravir Impurity C; 2-Flurobenzyl Imp of Dolutegravir; 2-Fluoro Dolutegravir; (4R,12aS)-N-[(2-Fluorophenyl)methyl]-3,4,6,8,12,12a-hexahydro-7-hydroxy-4-methyl-6,8-dioxo-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxamide; Dolutegravir 4-desfluoro impurity; (4R,12aS)-N-(2-Fluorobenzyl)-7-hydroxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxamide. Grade: ≥95%. CAS No. 1863916-87-3. Molecular formula: C20H20FN3O5. Mole weight: 401.39.
4-Defluoro Raltegravir
An impurity of Raltegravir. Raltegravir is an integrase inhibitor as an antiretroviral drug. It can be used for the treatment of HIV infection. Synonyms: 1,6-Dihydro-5-hydroxy-1-methyl-2-[1-methyl-1-[[(5-methyl-1,3,4-oxadiazol-2-yl)carbonyl]amino]ethyl]-6-oxo-N-(phenylmethyl)-4-pyrimidinecarboxamide. Grade: > 95%. CAS No. 1193687-87-4. Molecular formula: C20H22N6O5. Mole weight: 426.44.
4''-Dehydrorhodomycin Y
4''-Dehydrorhodomycin Y is an onion ring antibiotic produced by Streptomyces galilaeus MA144-M1t mutant strain KE303. It has anti-tumor and gram-positive bacteria activity. Synonyms: gamma-Rhodomycin RDC; gamma-Rmn-A; 5,12-Naphthacenedione, 7,8,9,10-tetrahydro-8-ethyl-1,6,8,11-tetrahydroxy-7-((2,3,6-trideoxy-4-O-(2,6-dideoxy-4-O-((2R-trans)-tetrahydro-6-methyl-5-oxo-2H-pyran-2-yl)-alpha-L-lyxo-hexopyranosyl)-3-(dimethylamino)-alpha-L-lyxo-hexopyranosyl)oxy)-, (7R-trans)-. CAS No. 76264-96-5. Molecular formula: C40H51NO14. Mole weight: 769.83.
4-Dehydroxy-3-dehydro-pitavastatin-d5 Lactone
A labeled metabolite of Pitavastatin in humans and monkeys. Group: Biochemicals. Alternative Names: (6S) -6- [ (1E) -2- [2-Cyclopropyl-d5-4- (4-fluorophenyl) -3-quinolinyl] ethenyl] tetrahydro-2H-pyran-2-one. Grades: Highly Purified. Pack Sizes: 1mg. US Biological Life Sciences.
Worldwide
4-Dehydroxy-4-dimethylphenylsilyl Entecavir
4-Dehydroxy-4-dimethylphenylsilyl Entecavir is an impurity of Entecavir. Synonyms: 2-Amino-9-[(1S,3R,4S)-4-(dimethylphenylsilyl)-3-(hydroxymethyl)-2-methylenecyclopentyl]-1,9-dihydro-6H-purin-6-one. CAS No. 701278-07-1. Molecular formula: C20H25N5O2Si. Mole weight: 395.53.
4-Demethoxy-11-deoxydaunorubicin
4-Demethoxy-11-deoxydaunorubicin is an impurity of Daunorubicin, which is an anthracycline antibiotic used in the treatment of acute myeloid and lymphocytic leukemia, with adverse reactions such as cardiotoxicity and bone marrow suppression. Synonyms: (7S-cis)-9-Acetyl-7-[(3-amino-2,3,6-trideoxy-α-L-lyxo-hexopyranosyl)oxy]-7,8,9,10-tetrahydro-6,9-dihydroxy-5,12-naphthacenedione; 4-Demethoxy-11-deoxydaunomycin; 5,12-Naphthacenedione, 9-acetyl-7-[(3-amino-2,3,6-trideoxy-α-L-lyxo-hexopyranosyl)oxy]-7,8,9,10-tetrahydro-6,9-dihydroxy-, (7S,9S)-; (1S,3S)-3-Acetyl-3,12-dihydroxy-6,11-dioxo-1,2,3,4,6,11-hexahydro-1-tetracenyl 3-amino-2,3,6-trideoxy-α-L-lyxo-hexopyranoside; Dehydroxy Idarubicin. CAS No. 77312-66-4. Molecular formula: C26H27NO8. Mole weight: 481.49.
4-Demethoxy-11-deoxydaunorubicin hydrochloride
4-Demethoxy-11-deoxydaunorubicin hydrochloride is an impurity of Daunorubicin, which is an anthracycline antibiotic used in the treatment of acute myeloid and lymphocytic leukemia, with adverse reactions such as cardiotoxicity and bone marrow suppression. Synonyms: (7S,9S)-9-Acetyl-7-(((2R,4S,5S,6S)-4-amino-5-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-6,9-dihydroxy-7,8,9,10-tetrahydrotetracene-5,12-dione hydrochloride; Dehydroxy Idarubicin hydrochloride; Idarubicin Impurity 5; (7S-cis)-9-Acetyl-7-[(3-amino-2,3,6-trideoxy-α-L-lyxo-hexopyranosyl)oxy]-7,8,9,10-tetrahydro-6,9-dihydroxy-5,12-naphthacenedione hydrochloride; 4-Demethoxy-11-deoxydaunomycin hydrochloride; 5,12-Naphthacenedione, 9-acetyl-7-[(3-amino-2,3,6-trideoxy-α-L-lyxo-hexopyranosyl)oxy]-7,8,9,10-tetrahydro-6,9-dihydroxy-, (7S,9S)-, hydrochloride (1:1); (1S,3S)-3-Acetyl-3,12-dihydroxy-6,11-dioxo-1,2,3,4,6,11-hexahydro-1-tetracenyl 3-amino-2,3,6-trideoxy-α-L-lyxo-hexopyranoside hydrochloride. Grade: ≥95%. CAS No. 85440-46-6. Molecular formula: C26H27NO8.HCl. Mole weight: 517.96.
4'-Demethyl-3,9-dihydroeucomin
4'-Demethyl-3,9-dihydroeucomin is isolated from the herbs of Scilla scilloides. Synonyms: 4-Demethyl-3,9-dihydroeucomin; (-)-5,7-Dihydroxy-3-(4-hydroxybenzyl)-4-chromanone; 5,7-Dihydroxy-3-(4-hydroxybenzyl)chroman-4-one. Grade: > 95%. CAS No. 107585-77-3. Molecular formula: C16H14O5. Mole weight: 286.3.
4-Demethyl Daunomycinone
A metabolite Daunorubicin. Group: Biochemicals. Alternative Names: (8S,10S)-8-Acetyl-7,8,9,10-tetrahydro-1,6,8,10,11-pentahydroxy-5,12-naphthacenedione; (+)-Carminomycinone; 4-Demethoxy-4-hydroxydaunomycinone; 4-O-Demethyldaunomycinone; Carminomycinone. Grades: Highly Purified. CAS No. 52744-22-6. Pack Sizes: 1mg. US Biological Life Sciences.
Worldwide
4'-De methyl epipodophyllotoxin
4'-De methyl epipodophyllotoxin. Group: Biochemicals. Alternative Names: 4'-DMEP. Grades: Highly Purified. CAS No. 6559-91-7. Pack Sizes: 5mg, 10mg, 25mg, 50mg, 100mg. Molecular Formula: C21H20O8. US Biological Life Sciences.
Worldwide
4'-De methyl epipodophyllotoxin (4'-DMEP)
A potent inhibitor of microtubule assembly. Group: Biochemicals. Alternative Names: 4'-DMEP. Grades: Highly Purified. Pack Sizes: 10mg. US Biological Life Sciences.
Worldwide
4'-De methyl epipodophyllotoxin 99+% (HPLC)
4'-De methyl epipodophyllotoxin 99+% (HPLC). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 250mg, 1g, 5g, 25g. US Biological Life Sciences.
Worldwide
4'-Demethyl epi-Podophyllotoxin (DMEP)
4'-Demethylepipodophyllotoxin is a key intermediate compound for the preparation of podophyllotoxin-type anti-cancer drugs. It is a potent inhibitor of microtubule assembly. Synonyms: 4'-Demethylepipodophyllotoxin; 4'-DMEP; (-)-4'-Demethylepipodophyllotoxin. Grade: >98%. CAS No. 6559-91-7. Molecular formula: C21H20O8. Mole weight: 400.38.
4''-Demethylgentamicin C1
4''-Demethylgentamicin C1 is a gentamicin homolog produced by Micromonospora purpurea var. nigrescens MNG-122. It has anti-gram-positive and negative bacteria activity. Synonyms: Streptamine, O-2-amino-2,3,4,6,7-pentadeoxy-6-(methylamino)-alpha-D-ribo-heptopyranosyl-(1-4)-O-(3-deoxy-3-(methylamino)-beta-L-arabinopyranosyl-(1-6))-2-deoxy-, D-. CAS No. 66322-28-9. Molecular formula: C20H41N5O7. Mole weight: 463.57.
4''-Demethylgentamicin C1a
4''-Demethylgentamicin C1a is a gentamicin homolog produced by Micromonospora purpurea var. nigrescens MNG-122. It has anti-gram-positive and negative bacteria activity. CAS No. 61769-70-8. Molecular formula: C18H37N5O7. Mole weight: 453.52.
4''-Demethylgentamicin C2
4''-Demethylgentamicin C2 is a gentamicin homolog produced by Micromonospora purpurea var. nigrescens MNG-122. It has anti-gram-positive and negative bacteria activity. Synonyms: Streptamine, O-3-deoxy-3-(methylamino)-beta-L-arabinopyranosyl-(1-6)-O-(2,6-diamino-2,3,4,6,7-pentadeoxy-alpha-D-ribo-heptopyranosyl-(1-4))-2-deoxy-, D-. CAS No. 66277-10-9. Molecular formula: C19H39N5O7. Mole weight: 449.54.
4'-Demethyl homoharringtonine
4'-Demethyl homoharringtonine. Group: Biochemicals. Alternative Names: Cephalotaxine 4-hydrogen (2R) -2-hydroxy-2- (4-hydroxy-4-methylpentyl) butanedioate (ester); 5'-Des-O- methyl homoharringtonine. Grades: Highly Purified. CAS No. 98599-84-9. Pack Sizes: 1mg, 2mg, 5mg, 10mg. Molecular Formula: C28H37NO9. US Biological Life Sciences.
Worldwide
4-Demethyl N,N-Bis-Boc-Trimethoprim
A Trimethoprim derivative. Group: Biochemicals. Alternative Names: N, N-[5-[ (4-hydroxy-3, 5-dimethoxyphenyl) methyl]-2, 4-pyrimidinediyl]bis-carbamic Acid C,C-Bis(1,1-dimethylethyl) Ester. Grades: Highly Purified. Pack Sizes: 100mg. US Biological Life Sciences.
Worldwide
4-Demethylnobiletin
4-Demethylnobiletin is a bioactive metabolite that activates the PKA/ERK/CREB signaling pathway, enhances CRE-mediated transcription in hippocampal neurons, and reverses memory impairment associated with NMDA receptor antagonism by stimulating ERK signaling[1]. Uses: Scientific research. Category: Signaling pathways. CAS No. 34810-62-3. Pack Sizes: 1 mg; 5 mg; 10 mg. Product ID: HY-142066.
4'-Demethyl papaverine
4'-Demethyl papaverine. Group: Biochemicals. Alternative Names: 4-[(6,7-Dimethoxy-1-isoquinolinyl)methyl]-2-methoxyphenol. Grades: Highly Purified. CAS No. 18813-60-0. Pack Sizes: 1mg, 2mg, 5mg, 10mg. Molecular Formula: C19H19NO4. US Biological Life Sciences.
Worldwide
4'-De methyl podophyllotoxin
4'-De methyl podophyllotoxin. Group: Biochemicals. Grades: Highly Purified. CAS No. 40505-27-9. Pack Sizes: 1mg, 2mg, 5mg, 10mg, 25mg. US Biological Life Sciences.
This enzyme catalyses a step in the biosynthesis of rebeccamycin, an indolocarbazole alkaloid produced by the bacterium Lechevalieria aerocolonigenes. The enzyme is a glycosylase, and acts in the reverse direction to that shown. It has a wide substrate range, and was shown to glycosylate several substrates, including the staurosporine aglycone, EJG-III-108A, J-104303, 6-N-methyl-arcyriaflavin C and indolo-[2,3-a]-carbazole. Group: Enzymes. Synonyms: arcyriaflavin A N-glycosyltransferase; RebG. Enzyme Commission Number: EC 4.3.3.5. 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-5306; 4'-demethylrebeccamycin synthase; EC 4.3.3.5; arcyriaflavin A N-glycosyltransferase; RebG. Cat No: EXWM-5306.
4-Demethyl tranilast
4-Demethyl tranilast. Group: Biochemicals. Alternative Names: 2-[[(2E)-3-(4-Hydroxy-3-methoxyphenyl)-1-oxo-2-propen-1-yl]amino]benzoic acid; (E)-2-[[3-(4-Hydroxy-3-methoxyphenyl)-1-oxo-2-propenyl]amino]benzoic acid; Avenanthramide 1f. Grades: Highly Purified. CAS No. 93755-77-2. Pack Sizes: 10mg, 25mg, 50mg, 100mg, 250mg. Molecular Formula: C17H15NO5. US Biological Life Sciences.