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(11Beta,16Alpha,17Alpha)-9-Chloro-17-(2,2-dioxido-5H-1,2-oxathiol-4-yl)-17-[(2-furanylcarbonyl)oxy]-11-hydroxy-16-methyl-androsta-1,4-dien-3-one Mometasone Furoate Impurity B (11Beta,16Alpha,17Alpha)-9-Chloro-17-(2,2-dioxido-5H-1,2-oxathiol-4-yl)-17-[(2-furanylcarbonyl)oxy]-11-hydroxy-16-methyl-androsta-1,4-dien-3-one Mometasone Furoate Impurity B. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (11β,16α,17α)-9-Chloro-17-(2,2-dioxido-5H-1,2-oxathiol-4-yl)-17-[(2-furanylcarbonyl)oxy]-11-hydroxy-16-methylandrosta-1,4-dien-3-one,Androsta-1,4-dien-3-one, 9-chloro-17-(2,2-dioxido-5H-1,2-oxathiol-4-yl)-17-[(2-furanylcarbonyl)oxy]-11-hydroxy-16-methyl-, (11β,16α,17α)-, Mometasone Furoate Imp. B (EP). CAS No. 223776-49-6. Pack Sizes: 10MG. IUPAC Name: [(8S,9R,10S,11S,13S,14S,16R,17R)-9-chloro-17-(2,2-dioxo-5H-oxathiol-4-yl)-11-hydroxy-10,13,16-trimethyl-3-oxo-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-17-yl] furan-2-carboxylate. Molecular Formula: C28H31ClO8S. Mole Weight: 563.06. Catalog: APS223776496A. SMILES: C[C@@H]1C[C@H]2[C@@H]3CCC4=CC (=O)C=C[C@]4 (C)[C@@]3 (Cl)[C@@H] (O)C[C@]2 (C)[C@@]1 (OC (=O)c5occc5)C6=CS (=O) (=O)OC6. Format: Neat. Shipping: Room Temperature. Alfa Chemistry Analytical Products
1-(6-Chloro-9H-carbazol-2-yl)ethanone (carprofen impurity) 1-(6-Chloro-9H-carbazol-2-yl)ethanone (carprofen impurity). Group: Biochemicals. Alternative Names: Carprofen impurity. Grades: Highly Purified. CAS No. 92841-22-0. Pack Sizes: 1mg, 2mg, 5mg, 10mg, 25mg. Molecular Formula: C14H10ClNO. US Biological Life Sciences. USBiological 6
Worldwide
(1R,4R)-Sertraline 4-Chlorophenyl Impurity HCl An impurity of sertraline. Sertraline is a selective serotonin reuptake inhibitor (SSRI) for the treatment of depression. Synonyms: 1-Naphthalenamine, 4-(4-chlorophenyl)?-1,?2,?3,?4-tetrahydro-N-methyl-, hydrochloride, (1R-cis)?- (9CI); Sertraline EP Impurity C HCl (1R,4R-Isomer). Grades: > 95%. CAS No. 79617-90-6. Molecular formula: C17H19Cl2N. Mole weight: 308.25. BOC Sciences 7
21-Chloro-17Alpha-[(2-furanylcarbonxyl)oxy]-9Beta,11Beta-oxido-16Alpha-methylpregna-1,4-diene-3,20-dione Mometasone Furoate Impurity D 21-Chloro-17Alpha-[(2-furanylcarbonxyl)oxy]-9Beta,11Beta-oxido-16Alpha-methylpregna-1,4-diene-3,20-dione Mometasone Furoate Impurity D. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Mometasone Furoate Imp. D (EP),(9beta,11beta,16alpha)-21-Chloro-9,11-epoxy-17-[(2-furanylcarbonyl)oxy]-16-methylpregna-1,4-diene-3,20-dione. CAS No. 83881-09-8. Molecular Formula: C27H29ClO6. Mole Weight: 484.97. Catalog: APS83881098. SMILES: C[C@@H]1C[C@H]2[C@@H]3CCC4=CC (=O)C=C[C@]4 (C)[C@@]35O[C@H]5C[C@]2 (C)[C@@]1 (OC (=O)c6occc6)C (=O)CCl. Format: Neat. Alfa Chemistry Analytical Products
21-Hydroxy Deschloromometasone Furoate (Impurity) Impurity of Mometasone Furoate (Catalog # M4425), a topical corticosteroid used as an anti-inflammatory. Group: Biochemicals. Alternative Names: (11 β,16α)-9-Chloro-17-[(2-furanylcarbonyl)oxy]-11,21-dihydroxy-16-methyl-pregna-1,4-diene-3,20-dione. Grades: Highly Purified. CAS No. 148596-90-1. Pack Sizes: 1mg, 5mg. US Biological Life Sciences. USBiological 3
Worldwide
21-Hydroxy Deschloromometasone Furoate (Impurity) Mometasone Furoate Impurity H 21-Hydroxy Deschloromometasone Furoate (Impurity) Mometasone Furoate Impurity H. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Mometasone Furoate Imp. H (EP),(11beta,16alpha)-9-Chloro-17-[(2-furanylcarbonyl)oxy]-11,21-dihydroxy-16-methylpregna-1,4-diene-3,20-dione, 9-chloro-11beta,21-dihydroxy-16alpha-methyl-3,20-dioxopregna-1,4-dien-17-yl furan-2-carboxylate. CAS No. 148596-90-1. IUPAC Name: [(8S,9R,10S,11S,13S,14S,16R,17R)-9-chloro-11-hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-3-oxo-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-17-yl] furan-2-carboxylate. Molecular Formula: C27H31ClO7. Mole Weight: 502.98. Catalog: APS148596901. SMILES: C[C@@H]1C[C@H]2[C@@H]3CCC4=CC (=O)C=C[C@]4 (C)[C@@]3 (Cl)[C@@H] (O)C[C@]2 (C)[C@@]1 (OC (=O)c5occc5)C (=O)CO. Format: Neat. Alfa Chemistry Analytical Products
22-Desfluoro-22-chlorofluticasone Dimer Impurity A dimeric impurity of Fluticasone Propionate (F599500). Group: Biochemicals. Alternative Names: (6α,11 β, 16α, 17α)-6, 9-Difluoro-11, 17-dihydroxy-16-methyl-3-oxo-Androsta-1, 4-diene-17-carboxylic Acid (6α,11 β , 16α , 17α ) -6, 9-difluoro-17-[[ (chloromethyl) thio]carbonyl]-11-hydroxy-16-methyl-3-oxoandrosta-1, 4-dien-17-yl Ester. Grades: Highly Purified. Pack Sizes: 500ug. US Biological Life Sciences. USBiological 3
Worldwide
2-Chlorhexidine-4-deschloro Digluconate Impurity N N-Nitrile 2-Chlorhexidine-4-deschloro Digluconate Impurity N N-Nitrile is an intermediate in synthesizing N1- (4-chlorophenyl) -3, 12-diimino-N14-2-chlorophenyl-2, 4, 11, 13-Tetraazatetradecane diimidamide-d4 (C377537), an isotope labelled analog of N1- (4-chlorophenyl) -3, 12-diimino-N14-2-chlorophenyl-2, 4, 11, 13-Tetraazatetradecane diimidamide. N1- (4-chlorophenyl) -3, 12-diimino-N14-2-chlorophenyl-2, 4, 11, 13-Tetraazatetradecane diimidamide is an impurity of Chlorhexidine Digluconate (C292770). Chlorhexidine gluconate is an antimicrobial irrigant that is used as an antiseptic for the skin in the healthcare industry. It is used in hospitals to prevent infection of patients during surgeries and can also be found in mouth rinses. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 500ug, 1mg. Molecular Formula: C16H24ClN9. US Biological Life Sciences. USBiological 10
Worldwide
[3-[2-(3-Chlorophenyl)ethyl]-2-pyridinyl](1-methyl-4-piperidinyl)methanone. (Loratadine Ketone Impurity) [3-[2-(3-Chlorophenyl)ethyl]-2-pyridinyl](1-methyl-4-piperidinyl)methanone is an impurity of Loratadine (L469575), a nonsedating-type histamine H1-receptor. Group: Biochemicals. Grades: Highly Purified. CAS No. 130642-50-1. Pack Sizes: 5mg, 10mg. Molecular Formula: C20H23ClN2O, Molecular Weight: 342.86. US Biological Life Sciences. USBiological 10
Worldwide
3-[4-(4-Chlorobenzoyl)phenoxy]-2-butanone(fenofibrate impurity) 3-[4-(4-Chlorobenzoyl)phenoxy]-2-butanone(fenofibrate impurity). Group: Biochemicals. Grades: Highly Purified. CAS No. 217636-47-0. Pack Sizes: 50mg, 100mg, 250mg, 500mg, 1g. Molecular Formula: C17H15ClO3. US Biological Life Sciences. USBiological 6
Worldwide
(4-Chlorophenyl) [4- (1-methylethoxy) phenyl]methanone (fenofibrate impurity) (4-Chlorophenyl) [4- (1-methylethoxy) phenyl]methanone (fenofibrate impurity). Group: Biochemicals. Alternative Names: (4-Chlorophenyl) [4- (1-methylethoxy) phenyl]methanone; 3-[4-(4-Chlorobenzoyl)phenoxy]-2-propane; Fenofibrate impurity F. Grades: Highly Purified. CAS No. 154356-96-4. Pack Sizes: 50mg, 100mg, 250mg, 500mg, 1g. Molecular Formula: C16H15ClO2. US Biological Life Sciences. USBiological 6
Worldwide
5-Deshydroxymethyl-5-chloro Losartan (Losartan Impurity K) 5-Deshydroxymethyl-5-chloro Losartan (Losartan Impurity K). Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Losartan Impurity K. CAS No. 1159977-26-0. IUPAC Name: 5-[2-[4-[(2-butyl-4,5-dichloro-imidazol-1-yl)methyl]phenyl]phenyl]-2H-tetrazole. Molecular Formula: C21H20Cl2N6. Mole Weight: 427.33. Catalog: APS1159977260. SMILES: CCCCc1nc (Cl)c (Cl)n1Cc2ccc (cc2)c3ccccc3c4nn[nH]n4. Format: Neat. Alfa Chemistry Analytical Products
Atorvastatin Cyclic (Chlorophenyl) Sodium Salt Impurity Atorvastatin Cyclic (Chlorophenyl) Sodium Salt Impurity. Group: Biochemicals. Alternative Names: 1b-(4-Chlorophenyl)hexahydro- β , 7-dihydroxy-7- (1-methylethyl)-1a-phenyl-7a-[ (phenylamino)carbonyl]-3H-oxireno[3, 4]pyrrolo[2, 1-b][1, 3]oxazine-3-butanoic Acid Sodium. Grades: Highly Purified. Pack Sizes: 1mg. Molecular Formula: C33H34ClN2NaO7, Molecular Weight: 629.08. US Biological Life Sciences. USBiological 3
Worldwide
Bendamustine Chloro Dimer Impurity Bendamustine Chloro Dimer Impurity is an impurity of Bendamustine, a chemotherapy medication indicated for the treatment of chronic lymphocytic leukemia, multiple myeloma, and non-Hodgkin's lymphoma. Synonyms: Bendamustine Dimer Impurity; 5-[bis(2-Chloroethyl)amino]-1-methyl-1H-benzimidazole-2-butanoic Acid 2-[[2-(3-Carboxypropyl)-1-methyl-1H-benzimidazol-5-yl](2-chloroethyl)amino]ethyl Ester. Grades: > 95%. CAS No. 1228551-91-4. Molecular formula: C32H41Cl3N6O4. Mole weight: 680.08. BOC Sciences 9
Cetirizine 2-Chloro Impurity Dihydrochloride Cetirizine 2-Chloro Impurity Dihydrochloride. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Cetirizine Imp. C (EP), Cetirizine Dihydrochloride Imp. C (EP) as Dihydrochloride,Cetirizine Dihydrochloride Imp. C (EP), (RS)-2-[2-[4-[(2-Chlorophenyl)phenylmethyl]piperazin-1-yl]ethoxy]acetic Acid Dihydrochloride. CAS No. 83881-59-8. Pack Sizes: 10MG. IUPAC Name: 2-[2-[4-[(2-chlorophenyl)-phenylmethyl]piperazin-1-yl]ethoxy]acetic acid;dihydrochloride. Molecular Formula: C21H25ClN2O3.2ClH. Mole Weight: 461.81. Catalog: APS83881598A. SMILES: Cl. Cl. OC (=O)COCCN1CCN (CC1)C (c2ccccc2)c3ccccc3Cl. Format: Neat. Shipping: Room Temperature. Alfa Chemistry Analytical Products
Cetirizine 3-Chloro Impurity an impurity of cetirizine. Synonyms: Acetic acid, 2-[2-[4-[(3-chlorophenyl)?phenylmethyl]?-1-piperazinyl]?ethoxy]?-. Grades: > 95%. CAS No. 1232460-31-9. Molecular formula: C21H25ClN2O3. Mole weight: 388.9. BOC Sciences 7
Cetirizine 3-Chloro Impurity Cetirizine 3-Chloro Impurity. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2- (2- (4- ( (3-chlorophenyl) (phenyl)methyl)piperazin-1-yl)ethoxy)acetic acid. CAS No. 1232460-31-9. Molecular Formula: C21H25ClN2O3. Mole Weight: 388.89. Catalog: APB1232460319. Alfa Chemistry Analytical Products
Cetirizine 3-Chloro Impurity DiHCl Cetirizine 3-Chloro Impurity DiHCl. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 1232460-31-9(free base); 2- (2- (4- ( (3-chlorophenyl) (phenyl)methyl)piperazin-1-yl)ethoxy)acetic acid dihydrochloride. CAS No. 1232460-29-5. Molecular Formula: C21H26Cl2N2O3. Mole Weight: 425.35. Catalog: APB1232460295. Alfa Chemistry Analytical Products
Cetirizine 3-chloro impurity dihydrochloride Cetirizine 3-chloro impurity dihydrochloride. Group: Biochemicals. Alternative Names: 2- [2- [4- [ (3-Chlorophenyl) phenylmethyl] -1-piperazinyl] ethoxy] acetic acid hydrochloride. Grades: Highly Purified. CAS No. 1232460-29-5. Pack Sizes: 1mg, 2mg, 5mg, 10mg, 25mg. Molecular Formula: C21H27Cl3N2O3. US Biological Life Sciences. USBiological 6
Worldwide
Cetirizine Impurity (4-Chlorobenzophenone) 4-Chlorobenzophenone, is a building block used in various chemical synthesis. It can be used for the preparation of a variety of functionalized Coumarin derivatives. Synonyms: (4-Chlorophenyl)phenylmethanone; 4-Benzoylphenyl Chloride; 4-CBP; 4-Chlorobenzophenone; 4-Chlorophenyl Phenyl Ketone; CBP; Initiator 1046; NSC 2872; Phenyl 4-Chlorophenyl Ketone; p-CBP; p-Chlorobenzophenone; p-Chlorophenyl Phenyl Ketone. Grades: > 95%. CAS No. 134-85-0. Molecular formula: C13H9ClO. Mole weight: 216.67. BOC Sciences 7
chlorogenic acid Impurity 1 chlorogenic acid Impurity 1. Uses: For analytical and research use. Group: Impurity standards. CAS No. 106357-47-5. Molecular Formula: C16H16O8. Mole Weight: 336.3. Catalog: APB106357475. Alfa Chemistry Analytical Products
Chlorogentamicin impurity 1 Chlorogentamicin impurity 1. Uses: For analytical and research use. Group: Impurity standards. CAS No. 754137-61-6. Molecular Formula: C56H83N17O21S3. Mole Weight: 1426.56. Catalog: APB754137616. Alfa Chemistry Analytical Products 3
Chloroprocaine Impurity 1 Chloroprocaine Impurity 1. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2-chloro-4-nitrobenzaldehyde. Molecular Formula: C7H4ClNO3. Mole Weight: 185.56. Catalog: APB04517. Alfa Chemistry Analytical Products 3
Chloroprocaine Impurity 2 Chloroprocaine Impurity 2. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2,6-dichloro-4-nitrobenzaldehyde. Molecular Formula: C7H3Cl2NO3. Mole Weight: 220.01. Catalog: APB04516. Alfa Chemistry Analytical Products 3
Chloroprocaine Impurity 2 Chloroprocaine Impurity 2. Uses: For analytical and research use. Group: Impurity standards. CAS No. 725246-85-5. Molecular Formula: C7H7N3O4. Mole Weight: 197.15. Catalog: APB725246855. Alfa Chemistry Analytical Products 3
Chloroprocaine Impurity 3 Chloroprocaine Impurity 3. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2-(diethylamino)ethyl 2-chloro-4-((2-(diethylamino)ethyl)amino)benzoate. CAS No. 2832162-01-1. Molecular Formula: C19H32ClN3O2. Mole Weight: 369.93. Catalog: APB2832162011. Alfa Chemistry Analytical Products 2
Chloroprocaine Impurity 3 Chloroprocaine Impurity 3. Uses: For analytical and research use. Group: Impurity standards. CAS No. 855198-14-0. Molecular Formula: C13H19ClN2O3. Mole Weight: 286.76. Catalog: APB855198140. Alfa Chemistry Analytical Products 3
Chloroprocaine Impurity 4 Chloroprocaine Impurity 4. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2-(diethylamino)ethyl 2-chloro-4-nitrobenzoate. CAS No. 10367-96-1. Molecular Formula: C13H17ClN2O4. Mole Weight: 300.74. Catalog: APB10367961. Alfa Chemistry Analytical Products
Chloroprocaine Impurity 4 Chloroprocaine Impurity 4. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C26H34Cl2N4O5. Mole Weight: 553.48. Catalog: APB12188. Alfa Chemistry Analytical Products 3
Chloropyramine impurity An impurity of Chloropyramine which is histamine H1-receptor antagonist. Synonyms: p-Chlorobenzylaminopyridine. Grades: > 95%. CAS No. 22881-33-0. Molecular formula: C12H11ClN2. Mole weight: 218.69. BOC Sciences 6
Chloropyramine Impurity 1 HCl Tripelennamine hydrochloride, the hydrochloride salt form of tripelennamine, is a blood-brain barrier penetrant and orally active H1 receptor antagonist. Tripelennamine, also known as Pyribenzamine, exhibits antipruritic and first-generation antihistamine properties. Uses: Anti-allergic agents. Synonyms: Tripelennamine HCl; Ahistamin; Piristin; N'-benzyl-N,N-dimethyl-N'-pyridin-2-ylethane-1,2-diamine hydrochloride. Grades: > 95%. CAS No. 154-69-8. Molecular formula: C16H22ClN3. Mole weight: 291.82. BOC Sciences 8
Chloropyramine impurity HCl (salt) An impurity of Chloropyramine which is a competitive reversible H1-receptor antagonist with anticholinergic properties. Synonyms: (p-Chlorobenzyl Ether) HCl. Grades: > 95%. CAS No. 91428-63-6. Molecular formula: C11H16ClNO. Mole weight: 250.16. BOC Sciences 6
Chlorotestosterone acetate Impurity 1 Chlorotestosterone acetate Impurity 1. Uses: For analytical and research use. Group: Impurity standards. CAS No. 2219350-58-8. Molecular Formula: C20H31ClO2. Mole Weight: 338.92. Catalog: APB2219350588. Alfa Chemistry Analytical Products 2
Chlorotestosterone acetate Impurity 2 Chlorotestosterone acetate Impurity 2. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1372695-73-2. Molecular Formula: C20H31ClO2. Mole Weight: 338.92. Catalog: APB1372695732. Alfa Chemistry Analytical Products 2
Ciprofloxacin Chloro Analog Impurity An impurity of Ciprofloxacin, which is a broad-spectrum antimicrobial carboxyfluoroquinoline, an fluoroquinolone antibiotic that is widely used as an antimicrobial and immunomodulatory agent. Synonyms: 6-Chloro-1-cyclopropyl-1,4-dihydro-4-oxo-7-(1-piperazinyl)-3-quinolinecarboxylic Acid. Grades: > 95%. CAS No. 93106-58-2. Molecular formula: C17H18ClN3O3. Mole weight: 347.8. BOC Sciences 7
Clobetasol Propionate Impurity (21-Chloro-16β-methyl-17-(1-oxopropoxy)pregna-1,4-diene-3,20-dione) An impurity of Clobetasol propionate. Clobetasol propionate is a corticosteroid of the glucocorticoid class used to treat various skin disorders including eczema and psoriasis. It is also highly effective for contact dermatitis caused by exposure to poison ivy/oak. Synonyms: 21-Chloro-16β-methyl-17-(1-oxopropoxy)pregna-1,4-diene-3,20-dione. Grades: > 95%. CAS No. 95796-50-2. Molecular formula: C25H33ClO5. Mole weight: 448.99. BOC Sciences 7
Dimenhydrinate Impurity(8-chloro-1-methyl-2,3,6,7-tetrahydro-1H-purine-2,6-dione) Dimenhydrinate Impurity. Synonyms: 8-chloro-1-methyl-2,3,6,7-tetrahydro-1H-purine-2,6-dione; 8-chloro-1-methyl-3,7-dihydropurine-2,6-dione; C6H5ClN4O2; AKOS026743472; EN300-185932; Z1278925156. Grades: > 95%. CAS No. 6136-36-3. Molecular formula: C6H5ClN4O2. Mole weight: 200.59. BOC Sciences 8
Disodium chlorophosphonate EP Impurity A Disodium chlorophosphonate EP Impurity A. Uses: For analytical and research use. Group: Impurity standards. CAS No. 134757-52-1. Molecular Formula: C4H10Cl2O6P2. Mole Weight: 286.97. Catalog: APB134757521. Alfa Chemistry Analytical Products
Disodium chlorophosphonate EP Impurity D Disodium chlorophosphonate EP Impurity D. Uses: For analytical and research use. Group: Impurity standards. CAS No. 87591-00-2. Molecular Formula: CH5ClO6P2. Mole Weight: 210.44. Catalog: APB87591002. Alfa Chemistry Analytical Products 3
Dutasteride Impurity F (1-Chloro Dihydro Dutasteride) 1-Chloro Dihydro Dutasteride is a 3-oxo-4-aza-5α-androstene-17β-carboxylic acid derivative and an impurity of Dutasteride. Synonyms: (4aR,4bS,6aS,7S,9aS,9bS,11aR)-N-[2,5-Bis(trifluoromethyl)phenyl]-4-chlorohexadecahydro-4a,6a-dimethyl-2-oxo-1H-indeno[5,4-f]quinoline-7-carboxamide. Grades: > 95%. CAS No. 1365545-42-1. Molecular formula: C27H31ClF6N2O2. Mole weight: 564.99. BOC Sciences 8
Efavirenz impurity (6-chloro-4-[2-(2-methylcyclopropyl)ethynyl]-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one) Efavirenz impurity (6-chloro-4-[2-(2-methylcyclopropyl)ethynyl]-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one) is an impurity of Efavirenz, a medication used to treat HIV/AIDS. Grades: > 95%. CAS No. 1217623-65-8. Molecular formula: C15H11ClF3NO2. Mole weight: 329.71. BOC Sciences 8
Efavirenz impurity (6-chloro-4-(pent-1-ynyl)-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one) Grades: > 95%. CAS No. 1627575-36-3. Molecular formula: C14H11ClF3NO2. Mole weight: 317.7. BOC Sciences 8
Erlotinib Impurity 2 (4-Chloro-7-(2-Chloroethoxy)-6-(2-Methoxyethoxy)-Quinazoline) A metabolite of Erlotinib. Erlotinib is a tyrosine kinase inhibitor which acts on the epidermal growth factor receptor (EGFR), inhibiting EGFR-associated kinase activity. Synonyms: 4-chloro-7-(2-chloroethoxy)-6-(2-methoxyethoxy)quinazoline. Grades: > 95%. CAS No. 183322-20-5. Molecular formula: C13H14Cl2N2O3. Mole weight: 317.17. BOC Sciences 8
Erlotinib impurity, 6-(2-chloroethoxy)-7-(2-methoxyethoxy) A metabolite of Erlotinib. Erlotinib is a tyrosine kinase inhibitor which acts on the epidermal growth factor receptor (EGFR), inhibiting EGFR-associated kinase activity. Synonyms: 7-(2-chloroethoxy)-N-(3-ethynylphenyl)-6-(2-methoxyethoxy)-4-Quinazolinamine. Grades: > 95%. CAS No. 183321-85-9. Molecular formula: C21H20ClN3O3. Mole weight: 397.86. BOC Sciences 8
Erlotinib impurity, 6-(2-methoxyethoxy)-7-(2-chloroethoxy) A metabolite of Erlotinib. Erlotinib is a tyrosine kinase inhibitor which acts on the epidermal growth factor receptor (EGFR), inhibiting EGFR-associated kinase activity. Synonyms: 6-(2-chloroethoxy)-N-(3-ethynylphenyl)-7-(2-methoxyethoxy)quinazolin-4-amine. Grades: > 95%. CAS No. 183321-83-7. Molecular formula: C21H20ClN3O3. Mole weight: 397.86. BOC Sciences 8
Erlotinib impurity, 6,7-bis(2-chloroethoxy) A metabolite of Erlotinib. Erlotinib is a tyrosine kinase inhibitor which acts on the epidermal growth factor receptor (EGFR), inhibiting EGFR-associated kinase activity. Synonyms: 6,7-bis(2-chloroethoxy)-N-(3-ethynylphenyl)quinazolin-4-amine. Grades: > 95%. CAS No. 183321-82-6. Molecular formula: C20H17Cl2N3O2. Mole weight: 402.28. BOC Sciences 8
Ezetimibe Desfluoro Chloro Impurity An impurity of Ezetimibe. Ezetimibe inhibits intestinal cholesterol absorption by preventing cholesterol uptake by the Niemann-Pick C1-like 1 (NPC1L29) protein, a cholesterol transporter located in the apical membrane of enterocytes. Synonyms: N-Des(4-Fluorophenyl)-N-(3-chlorophenyl)-ezetimibe; (3R,4S)-1-(4-chlorophenyl)-3-((S)-3-(4-fluorophenyl)-3-hydroxypropyl)-4-(4-hydroxyphenyl)azetidin-2-one. Grades: > 95%. Molecular formula: C24H21ClFNO3. Mole weight: 425.89. BOC Sciences 7
Famciclovir Chloro Impurity An impurity of Famciclovir. Famciclovir is used for the treatment of various herpesvirus infections, most commonly for herpes zoster. Synonyms: 9-[4-Acetoxy-3-(acetoxymethyl)butyl]-2-amino-6-chloropurine. Grades: > 95%. CAS No. 97845-60-8. Molecular formula: C14H18ClN5O4. Mole weight: 355.78. BOC Sciences 6
Famciclovir Deoxy-chloro Impurity An impurity of Famciclovir. Famciclovir is used for the treatment of various herpesvirus infections, most commonly for herpes zoster. Synonyms: Desacetoxy Chloro Famciclovir; 4-(2-Amino-9H-purin-9-yl)-2-(chloromethyl)butyl Acetate. Grades: > 95%. Molecular formula: C12H16ClN5O2. Mole weight: 297.75. BOC Sciences 6
Fluticasone Propionate EP Impurity K (6R-Chloro Isomer) Fluticasone Propionate EP Impurity K (6R-Chloro Isomer). Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C25H31ClF2O5S. Mole Weight: 517.03. Catalog: APB07934. Alfa Chemistry Analytical Products 4
Gefitinib Chloro Impurity Grades: > 95%. Molecular formula: C16H21Cl2N3O3. Mole weight: 374.27. BOC Sciences 7
Glibenclamide impurity 9 (5-Chloro-2-methoxybenzoic acid) Glibenclamide impurity 9 (5-Chloro-2-methoxybenzoic acid). Uses: For analytical and research use. Group: Impurity standards. CAS No. 3438-16-2. Molecular Formula: C8H7ClO3. Mole Weight: 186.59. Catalog: APB3438162. Alfa Chemistry Analytical Products 2
Glutamyl-Glycyl-Arginine Chloromethyl Ketone (Arginine impurity 18) Glutamyl-Glycyl-Arginine Chloromethyl Ketone (Arginine impurity 18). Uses: For analytical and research use. Group: Impurity standards. CAS No. 65113-67-9. Molecular Formula: C14H25ClN6O5. Mole Weight: 392.84. Catalog: APB65113679. Alfa Chemistry Analytical Products 2
Haloperidol Decanoate-3-Chlorobiphenyl Analog Impurity Grades: > 95%. Molecular formula: C37H45ClFNO3. Mole weight: 606.23. BOC Sciences 6
Hydrochlorothiazide Impurity C An impurity in bulk Hydrochlorothiazide. Dimer Impurity C. Group: Biochemicals. Alternative Names: HCTZ-CH2-HCTZ, N-[[7-(Aminosulfonyl)-6-chloro-2,3-dihydro-1,1-dioxo-4H-1,2,4-benzothiadiazin-4-yl]methyl]-6-chloro-3,4-dihydro-1,1-dioxo-2H-1,2,4-benzothiadiazine-7-sulfonamide. Grades: Highly Purified. CAS No. 402824-96-8. Pack Sizes: 1mg. US Biological Life Sciences. USBiological 1
Worldwide
Hydrochlorothiazide Impurity C Hydrochlorothiazide Impurity C. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 6-chloro-4-((6-chloro-1,1-dioxido-3,4-dihydro-2H-benzo[e][1,2,4]thiadiazine-7-sulfonamido)methyl)-3,4-dihydro-2H-benzo[e][1,2,4]thiadiazine-7-sulfonamide 1,1-dioxide. CAS No. 402824-96-8. Molecular Formula: C15H16Cl2N6O8S4. Mole Weight: 607.49. Catalog: APB402824968. Alfa Chemistry Analytical Products 3
Loratadine Impurity ( (1-Methyl-4-piperidinyl) [3-[2- (3-chlorophenyl) ethyl]pyridinyl]methanone) Synonyms: (3-(3-Chlorophenethyl)pyridin-2-yl)(1-methylpiperidin-4-yl)methanone hydrochloride. Grades: > 95%. CAS No. 119770-60-4. Molecular formula: C20H24Cl2N2O. Mole weight: 379.32. BOC Sciences 7
Loratadine Impurity (Ethyl 4-{[3-[2-(3-Chlorophenyl]-2-Pyridinyl]carbonyl}-1-Piperidinecarboxylayte) 4-[[3-[2-(3-Chlorophenyl)ethyl]-2-pyridinyl]carbonyl]-1-piperidinecarboxylic Acid Ethyl Ester is a Loratadine intermediate, as antiallergic agent. Synonyms: 4-[[3-[2-(3-Chlorophenyl)ethyl]-2-pyridinyl]carbonyl]-1-piperidinecarboxylic Acid Ethyl Ester. Grades: > 95%. CAS No. 107256-32-6. Molecular formula: C22H25ClN2O3. Mole weight: 400.9. BOC Sciences 7
Melphalan Mono-chloroethyl Impurity HCl Grades: > 95%. Molecular formula: C11H16Cl2N2O2. Mole weight: 279.17. BOC Sciences 6
Montelukast Chloro Alcohol Impurity An impurity of Montelukast Sodium, which is a leukotriene receptor antagonist (LTRA) used for the maintenance treatment of asthma and to relieve symptoms of seasonal allergies. Synonyms: 2-[2-[(3S)-3-[3-[(1E)-2-(7-Chloroquinolin-2-yl)ethenyl]phenyl]-3-chloropropyl]phenyl]-2-propanol. Grades: > 95%. CAS No. 880769-28-8. Molecular formula: C29H27Cl2NO. Mole weight: 476.45. BOC Sciences 6
N-[4-Chloro-2-(phenylamino)phenyl]-N-methylacetamide (Clobazam Impurity) N-[4-Chloro-2-(phenylamino)phenyl]-N-methylacetamide (Clobazam Impurity). Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Clobazam EP Impurity E. CAS No. 75524-13-9. IUPAC Name: N-(2-anilino-6-chloro-phenyl)-N-methyl-acetamide. Molecular Formula: C15H15ClN2O. Mole Weight: 274.74. Catalog: APS75524139. SMILES: CN(C(=O)C)c1c(Cl)cccc1Nc2ccccc2. Format: Neat. Alfa Chemistry Analytical Products
N- [ [7- (Aminosulfonyl) -6-chloro-2, 3-dihydro-1, 1-dioxo-4H-1, 2, 4-benzothiadiazin-4-yl] methyl ] -6-chloro-3, 4-dihydro-1, 1-dioxo-2H-1, 2, 4-benzothiadiazine-7-sulfonamide hydrochlorothiazide impurity C; N- [ [7- (Aminosulfonyl) -6-chloro-2, 3-dihydro-1, 1-dioxo-4H-1, 2, 4-benzothiadiazin-4-yl] methyl ] -6-chloro-3, 4-dihydro-1, 1-dioxo-2H-1, 2, 4-benzothiadiazine-7-sulfonamide hydrochlorothiazide impurity C. Group: Biochemicals. Alternative Names: HCTZ-CH2-HCTZ; Hydrochlorothiazide impurity C. Grades: Highly Purified. CAS No. 402824-96-8. Pack Sizes: 5mg, 10mg, 25mg, 50mg, 100mg. Molecular Formula: C15H16Cl2N6O8S4. US Biological Life Sciences. USBiological 6
Worldwide
Pantoprazole Chloro Impurity Pantoprazole Chloro Impurity. Uses: For analytical and research use. Group: Impurity standards. CAS No. 72830-09-2. Molecular Formula: C8H11Cl2NO2. Mole Weight: 224.08. Catalog: APB72830092. Alfa Chemistry Analytical Products 3
Permethrin EP Impurity G (Chloroacetylenic Permethrin) (Chloroacetylenic Permethrin). BOC Sciences
Prasugrel Impurity (1-Bromo-5-chloro-1-(2-fluorophenyl)pentan-2-one) A reactant in the preparation of prasugrel intermediates.Prasugrel is a platelet inhibitor. It can be used to prevent formation of blood clots. Synonyms: 2-fluorophenyl)pentan-2-one. Grades: > 95%. CAS No. 1373350-58-3. Molecular formula: C11H11BrClFO. Mole weight: 293.57. BOC Sciences 7
Propiverine Chloro Impurity HCl An impurity of Propiverine Propiverine. Propiverine is a muscarinic antagonist. It is an anticholinergic drug used for the treatment of urinary urgency, frequency and urge incontinence. Synonyms: Chloro-diphenyl-acetic acid 1-methyl-piperidin-4-yl ester hydrochloride. Grades: > 95%. CAS No. 54556-99-9. Molecular formula: C20H22ClNO2. HCl. Mole weight: 380.32. BOC Sciences 7
Quetiapine Impurity F (11-Chlorodibenzo[b,f][1,4]thiazepine) An impurity of Quetiapine. Quetiapine is an atypical antipsychotic used for the treatment of schizophrenia, bipolar disorder, and major depressive disorder. Synonyms: 11-Chlorodibenzo[b,f][1,4]thiazepine; 11-chloro-dibenzo[b,f][1,4]thiazepine; 6-chlorobenzo[b][1,4]benzothiazepine; Dibenzo[b,f][1,4]thiazepine, 11-chloro-; GKL3VNL5B7; SCHEMBL8470; MLS004820230; DTXSID70442155; ZFOZNNFYECYUQB-UHFFFAOYSA-N; MFCD07782128; AKOS015901404; AC-5342; CS-W005837; 11-chlorodibenzo [b,f][1,4]thiazepine; 11-chlorodibenzo[b,f][1,4]-thiazepine; AS-63960; SMR003523800; 11 -chloro-dibenzo[b,f][1,4]thiazepine; (E)-11-chlorodibenzo[b,f][1,4]thiazepine; FT-0654690; C72504; EN300-103116; A807256; 10-chloro-2-thia-9-azatricyclo[9.4.0.0(3),?]pentadeca-1(11),3,5,7,9,12,14-heptaene; 10-chloro-2-thia-9-azatricyclo[9.4.0.0,3,8]pentadeca-1(15),3,5,7,9,11,13-heptaene. Grades: > 95%. CAS No. 13745-86-3. Molecular formula: C13H8ClNS. Mole weight: 245.73. BOC Sciences 9
Rabeprazole Impurity (Chloro Intermediate) An impurity of Rabeprazole. Rabeprazole is proton pump inhibitor as an antiulcer drug. Grades: > 95%. Molecular formula: C11H16ClNO2. Mole weight: 229.71. BOC Sciences 6
Rabeprazole Impurity (Chloropropoxy Analogue) An impurity of Rabeprazole. Rabeprazole is proton pump inhibitor as an antiulcer drug. Grades: > 95%. Molecular formula: C17H18ClN3O2S. Mole weight: 363.87. BOC Sciences 6
Rebamipide 2-Chloro Impurity An impurity of Rebamipide.Rebamipide is an amino acid derivative of 2-(1H)-quinolinone.It can be used for mucosal protection, healing of gastroduodenal ulcers, and treatment of gastritis. Synonyms: 4-Deschloro-2-chlorobenzoyl Rebapimide; 2-(2-chlorobenzamido)-3-(2-oxo-1,2-dihydroquinolin-4-yl)propanoic acid; 2-[(2-chlorobenzoyl)amino]-3-(2-oxo-1H-quinolin-4-yl)propanoic acid; alpha-[(2-Chlorobenzoyl)amino]-1,2-dihydro-2-oxo-4-quinolinepropanoic acid; SCHEMBL9294191; CS-B1649; 4-Deschloro-2-chlorobenzoylRebapimide; AKOS037650761; CS-15278; C13242; A900083; 2-(2-chlorobenzamido)-3-(2-hydroxyquinolin-4-yl)propanoic acid; -[(2-Chlorobenzoyl)amino]-1,2-dihydro-2-oxo-4-quinolinepropanoic acid. Grades: > 95%. CAS No. 90098-06-9. Molecular formula: C19H15ClN2O4. Mole weight: 370.8. BOC Sciences

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