A directory of where to buy chemicals in the USA, including: distributors, industrial manufacturers, bulk supplies and wholesalers of raw ingredients & finished goods.
4-Epianhydrochlortetracycline hydrochloride. Alternative Names: [4R-(4α,4aβ,12aβ)]-7-Chloro-4-(dimethylamino)-1,4,4a,5,12,12a-hexahydro-3,10,11,12a-tetrahydroxy-6-methyl-1,12-dioxo-2-naphthacenecarboxamide Monohydrochloride. CAS No. 158018-53-2. Purity: 96%. Product ID: ACM158018532. Molecular formula: C22H22Cl2N2O7. Mole weight: 497.33. IUPAC Name: [(1R,4aS,12aS)-3-[amino(hydroxy)methylidene]-10-chloro-4a,6,7-trihydroxy-11-methyl-2,4,5-trioxo-12,12a-dihydro-1H-tetracen-1-yl]-dimethylazanium. Alfa Chemistry - ISO 9001:32057 Certified.
4-Epianhydrotetracycline hydrochloride
A secondary degradation product formed by epimerisation of tetracycline and dehydration at the C6 position to aromatise the B ring. It is an important standard for monitoring tetracycline stability. It is considered to be biologically active and responsible for the toxicity of tetracycline. It is active against Pseudomonas, Agrobacterium, Moraxella, Bacillus and E. coli. Synonyms: 4-Epianhydrotetracycline HCl; (4R,4aS,12aS)-4-(Dimethylamino)-1,4,4a,5,12,12a-hexahydro-3,10,11,12a-tetrahydroxy-6-methyl-1,12-dioxo-2-naphthacenecarboxamide Hydrochloride; 4-Epi-anhydrotetracycline hydrochloride; EATC hydrochloride. Grade: >95% by HPLC. CAS No. 4465-65-0. Molecular formula: C22H22N2O7.HCl. Mole weight: 462.88.
4-Epianhydrotetracycline Hydrochloride
An antibiotic derived from Tetracycline. Studies have shown that this derivative can have a 250-fold higher toxicity depending on the system under study. Group: Biochemicals. Alternative Names: (4R,4aS,12aS)-4-(Dimethylamino)-1,4,4a,5,12,12a-hexahydro-3,10,11,12a-tetrahydroxy-6-methyl-1,12-dioxo-2-naphthacenecarboxamide Hydrochloride. Grades: Highly Purified. CAS No. 4465-65-0. Pack Sizes: 5mg. US Biological Life Sciences.
Worldwide
4-epi-Chlortetracycline Hydrochloride
A degradation product of chlorotetracycline formed by acid-catalysed isomerisation of the dimethylamino group at C4. It exhibits little antibacterial activity. Synonyms: 4-Epichlortetracycline hydrochloride; (4R,6S)-7-chloro-4-(dimethylamino)-1,4,4aS,5,5aS,6,11,12a-octahydro-3,6,10,12,12aS-pentahydroxy-6-methyl-1,11-dioxo-2-naphthacenecarboxamide monohydrochloride; 7-chloro-2-Naphthacenecarboxamide hydrochloride. Grade: >95% by HPLC. CAS No. 101342-45-4. Molecular formula: C22H23ClN2O8.HCl. Mole weight: 515.34.
4-Epichlortetracycline hydrochloride
4-Epichlortetracycline hydrochloride. Alternative Names: 4-EPICHLORTETRACYCLINE HYDROCHLORIDE;(4R,4aS,5aS,6S,12aS)-7-Chloro-4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,6,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-2-naphthacenecarboxamide Monohydrate;4-Epichlortetracycline Hydrochlorid;4-Epichlortetracycline hydrochloride, 97%, can be used as secondary standard;4-Epichlortetracycline hydrochlorideECTC;4-Epichlortetracycline hydrochloride, can be used as secondary standard, 97% 100MG;4-Epichlortetracycline hydrochloride, can be used as secondary standard, 97% 500MG;Epichlortetracycline hydrochloride. CAS No. 101342-45-4. Product ID: ACM101342454. Molecular formula: C22H23ClN2O8.ClH. Mole weight: 515.344. Alfa Chemistry - ISO 9001:32057 Certified.
4'-epi-Daunorubicin Hydrochloride
4'-epi-Daunorubicin 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: (8S-cis)-8-Acetyl-10-[(3-amino-2,3,6-trideoxy-α-L-arabino-hexopyranosyl)oxy]-7,8,9,10-tetrahydro-6,8,11-trihydroxy-1-methoxynaphthacene-5,12-dione hydrochloride; (8S,10S)-8-Acetyl-10-[(3-amino-2,3,6-trideoxy-α-L-arabino-hexopyranosyl)oxy]-7,8,9,10-tetrahydro-6,8,11-trihydroxy-1-methoxy-5,12-naphthacenedione Hydrochloride; (8S-cis)-4'-Epidaunorubicin Hydrochloride; 4'-epi-Daunomycin Hydrochloride; NSC 249333; (1S,3S)-3-Acetyl-3,5,12-trihydroxy-10-methoxy-6,11-dioxo-1,2,3,4,6,11-hexahydro-1-tetracenyl 3-amino-2,3,6-trideoxy-α-L-arabino-hexopyranoside hydrochloride (1:1). Grade: 95%. CAS No. 56390-08-0. Molecular formula: C27H30ClNO10. Mole weight: 563.99.
4-Epi-daunosamine
4-Epi-daunosamine is an essential compound widely utilized in the biomedical field, holding immense significance in research of a plethora of diseases, particularly cancer. In the realm of chemotherapy, it serves as an indispensable precursor, facilitating the research and development of influential antibiotics, namely daunorubicin and doxorubicin. Synonyms: L-arabino-Hexose, 3-amino-2,3,6-trideoxy-; Acosamine. CAS No. 41094-24-0. Molecular formula: C6H13NO3. Mole weight: 147.17.
4-Epidemeclocycline Hydrochloride
4-Epidemeclocycline Hydrochloride is the hydrochloride salt of 4-epi-Demeclocycline used for the treatment of diseases such as rheumatoid arthritis and multiple sclerosis. Synonyms: 4-Epidemethylchlortetracycline Hydrochloride. CAS No. 179471-95-5. Molecular formula: C21H22Cl2N2O8. Mole weight: 501.31.
4-Epi Doxycycline
An alternative to doxycycline to control gene expression. Group: Biochemicals. Alternative Names: (4R, 4aR, 5S, 5aR, 6R, 12aS) -4- (Di methyl amino) -1, 4, 4a, 5, 5a, 6, 11, 12a-octahydro-3, 5, 10, 12, 12a-pentahydroxy-6- methyl -1, 11-dioxo-2-naphthacene carboxamide; 6-Deoxy-4-epioxytetracycline. Grades: Highly Purified. CAS No. 6543-77-7. Pack Sizes: 500ug, 1mg. Molecular Formula: C22H24N2O8, Molecular Weight: 444.43. US Biological Life Sciences.
Worldwide
4-epi-Emtricitabine 4-Acetamide 5-O-Benzoyl
4-epi-Emtricitabine 4-Acetamide 5-O-Benzoyl is an protected intermediate in the synthesis of ent-Emtricitabine (E525005), a reverse transcriptase inhibitor that is effective antiviral agent against HIV, HBV, and other viruses replicating in a similar manner. Group: Biochemicals. Alternative Names: trans-N-[1-[2-[(Benzoyloxy)methyl]-1,3-oxathiolan-5-yl]-5-fluoro-1,2-dihydro-2-oxo-4-pyrimidinyl]acetamide 1,3-Oxathiolane Acetamide Derivative; N-[1-[(2R,5R)-2-[(benzoyloxy)methyl]-1,3-oxathiolan-5-yl]-5-fluoro-1,2-dihydro-2-oxo-4-pyrimidinyl]acetamide. Grades: Highly Purified. CAS No. 150796-39-7. Pack Sizes: 2.5mg. US Biological Life Sciences.
Worldwide
4'-epi-Emtricitabine 4-Acetamide 5'-O-Benzoyl
4'-epi-Emtricitabine 4-Acetamide 5'-O-Benzoyl is a protected intermediate in the synthesis of ent-Emtricitabine, a reverse transcriptase inhibitor that is effective antiviral agent against HIV, HBV, and other viruses replicating in a similar manner. Synonyms: trans-N-[1-[2-[(Benzoyloxy)methyl]-1,3-oxathiolan-5-yl]-5-fluoro-1,2-dihydro-2-oxo-4-pyrimidinyl]acetamide 1,3-Oxathiolane Acetamide Derivative; N-[1-[(2R,5R)-2-[(benzoyloxy)methyl]-1,3-oxathiolan-5-yl]-5-fluoro-1,2-dihydro-2-oxo-4-pyrimidinyl]acetamide. CAS No. 150796-39-7. Molecular formula: C17H16FN3O5S. Mole weight: 393.39.
An impurity of Entecavir. Entecavir is a reverse transcriptase inhibitor. It prevents the hepatitis B virus from multiplying and reduces the amount of virus in the body. Synonyms: Entecavir EP Impurity D; (1S,3R,4R)-Entecavir; 2-Amino-9-[(1S,3R,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylidene cyclopentyl]-6,9-dihydro-3H-purin-6-one; Entecavir 4-epimer; 4'-epi-Entecavir. Grade: > 95%. CAS No. 1367369-80-9. Molecular formula: C12H15N5O3. Mole weight: 277.29.
4'-epi-N-Trifluoroacetyldaunorubicin
4'-epi-N-Trifluoroacetyldaunorubicin is an impurity of Epirubicin, which is an anthracycline topoisomerase inhibitor used as an antineoplastic agent. Synonyms: N-trifluoroacetyl-4'-epirubicin; (8S,10S)-8-Acetyl-7,8,9,10-tetrahydro-6,8,11-trihydroxy-1-methoxy-10-[[2,3,6-trideoxy-3-[(2,2,2-trifluoroacetyl)amino]-α-L-arabino-hexopyranosyl]oxy]-5,12-naphthacenedione; NSC 176325; (8S-cis)-8-Acetyl-7,8,9,10-tetrahydro-6,8,11-trihydroxy-1-methoxy-10-[[2,3,6-trideoxy-3-[(trifluoroacetyl)amino]-α-L-arabino-hexopyranosyl]oxy]-5,12-naphthacenedione; Epirubicin Impurity 7; (8S)-8β-Acetyl-7,8,9,10-tetrahydro-6,8α,11-trihydroxy-1-methoxy-10α-[3-(trifluoroacetylamino)-2,3,6-trideoxy-α-L-arabino-hexopyranosyloxy]-5,12-naphthacenedione; (1S,3S)-3-Acetyl-3,5,12-trihydroxy-10-methoxy-6,11-dioxo-1,2,3,4,6,11-hexahydro-1-tetracenyl 2,3,6-trideoxy-3-[(trifluoroacetyl)amino]-α-L-arabino-hexopyranoside; Epirubicin Impurity 7. Grade: ≥95%. CAS No. 57918-22-6. Molecular formula: C29H28F3NO11. Mole weight: 623.53.
4-epi-Tetracycline Hydrochloride
Metabolite of Tetracycline. Group: Biochemicals. Alternative Names: (4R,4aS,5aS,6S,12aS)-4-(Dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,6,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-2-naphthacenecarboxamide hydrochloride; Quatrimycin hydrochloride; [4R-(4a,4a-b,5a-b,6a,12a-b)]-4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,6,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-2-naphthacenecarboxamide hydrochloride. Grades: Highly Purified. CAS No. 23313-80-6. Pack Sizes: 10mg, 25mg, 50mg, 100mg, 250mg. US Biological Life Sciences.
Worldwide
4-Ethoxy-1,1,1-trifluoro-3-buten-2-one
4-Ethoxy-1,1,1-trifluoro-3-buten-2-one is used in the synthesis of pyrazoles. Also used in the synthesis of farnesyltransferase inhibitors. Group: Biochemicals. Alternative Names: 2-(Trifluoroacetyl)vinyl Ethyl Ether; 2-Ethoxyvinyl Trifluoromethyl Ketone; 4-Ethoxy-1,1,1-trifluoro-3-buten-2-one. Grades: Highly Purified. CAS No. 17129-06-5. Pack Sizes: 5g. US Biological Life Sciences.
4-Ethoxy-2-isopropyl-6-methylpyrimidine, is the product of Diazinon (D416880) decomposition, an organophosphorus pesticide. Group: Biochemicals. Grades: Highly Purified. CAS No. 72799-31-6. Pack Sizes: 500mg, 5g. Molecular Formula: C10H16N2O. US Biological Life Sciences.
A Kv1.5 modulator. Study shows that it inhibits hKv1.5 current slightly when specially blocked by the Kv11.1 channel in HEK cells. Synonyms: example 7 [US8664233]. CAS No. 1034194-07-4. Molecular formula: C21H22N6O. Mole weight: 374.45.
4-Ethoxy-3,5-dichlorophenylboronic acid
4-Ethoxy-3,5-dichlorophenylboronic acid. CAS No. 1107604-10-3. Product ID: ACM1107604103. Alfa Chemistry - ISO 9001:32057 Certified.