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Product
Anagliptin Enantiomer Anagliptin Enantiomer. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (R)-N-(2-((2-(2-cyanopyrrolidin-1-yl)-2-oxoethyl)amino)-2-methylpropyl)-2-methylpyrazolo[1,5-a]pyrimidine-6-carboxamide. Molecular Formula: C19H25N7O2. Mole Weight: 383.45. Catalog: APB03280. Alfa Chemistry Analytical Products 4
Aprepitant Impurity 1 Enantiomer HCl A metabolite of Aprepitant. Synonyms: (2R,3S)-2-[(1R)-1-[3,5-bis(trifluoromethyl) phenyl]ethoxy]-3-(4-fluorophenyl)-Morpholin. Grades: > 95%. CAS No. 171482-05-6. Molecular formula: C20H18F7NO2. HCl. Mole weight: 437.36 36.46. BOC Sciences
Aprepitant Impurity A Enantiomer Aprepitant Impurity A Enantiomer is an impurity of Aprepitant, a novel selective neurokinin-1 (NK-1) receptor antagonist. Molecular formula: C27H24F7NO2. Mole weight: 527.47. BOC Sciences
Aprepitant Impurity B Enantiomer HCl A metabolite of Aprepitant. Synonyms: (2R,3S)-4-benzyl-2-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluorophenyl)morpholine. Grades: > 95%. CAS No. 183901-47-5. Molecular formula: C27H24F7NO2. HCl. Mole weight: 527.49 36.46. BOC Sciences
ARRY-520 R enantiomer ARRY-520 R enantiomer is the R form of ARRY-520, which is a synthetic, small molecule kinesin spindle protein (KSP) inhibitor. ARRY-520 had low nanomolar antiproliferative activity in tumor cell lines and specifically inhibits KSP (kinesin-5 or Eg5), resulting in activation of the spindle assembly checkpoint, induction of cell cycle arrest during the mitotic phase, and consequently cell death in tumor cells that are actively dividing. Synonyms: ARRY-520 R enantiomer; ARRY 520 R enantiomer; ARRY520 R enantiomer; 1,3,4-Thiadiazole-3(2H)-carboxamide, 2-(3-aminopropyl)-5-(2,5-difluorophenyl)-N-methoxy-N-methyl-2-phenyl-, (2R)-. Grades: >98%. CAS No. 885060-08-2. Molecular formula: C20H22F2N4O2S. Mole weight: 420.48. BOC Sciences
Atracurium Enantiomer Atracurium Enantiomer. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (1S,1'S,2S,2'S)-2,2'-((pentane-1,5-diylbis(oxy))bis(3-oxopropane-3,1-diyl))bis(1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium). Molecular Formula: C53H72N2O12. Mole Weight: 929.14. Catalog: APB02854. Alfa Chemistry Analytical Products 3
Atropine sulfate EP Impurity B (Enantiomer) Atropine sulfate EP Impurity B (Enantiomer). Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (RS)-(1RS,3rs,5SR)-8-azabicyclo[3.2.1]octan-3-yl 3-hydroxy-2-phenylpropanoate. Molecular Formula: C16H21NO3. Mole Weight: 275.34. Catalog: APB03019. Alfa Chemistry Analytical Products 3
Baloxavir Enantiomer Baloxavir Enantiomer. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (S)-12-((R)-7,8-difluoro-6,11-dihydrodibenzo[b,e]thiepin-11-yl)-7-hydroxy-3,4,12,12a-tetrahydro-1H-[1,4]oxazino[3,4-c]pyrido[2,1-f][1,2,4]triazine-6,8-dione. Molecular Formula: C24H19F2N3O4S. Mole Weight: 483.49. Catalog: APB01270. Alfa Chemistry Analytical Products 4
Baloxavir Marboxil Enantiomer Baloxavir Marboxil Enantiomer. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: methyl 3-((S)-12-((R)-7,8-difluoro-6,11-dihydrodibenzo[b,e]thiepin-11-yl)-6,8-dioxo-3,4,6,8,12,12a-hexahydro-1H-[1,4]oxazino[3,4-c]pyrido[2,1-f][1,2,4]triazin-7-yl)trioxidane-1-carboxylate. Molecular Formula: C26H21F2N3O8S. Mole Weight: 573.52. Catalog: APB03937. Alfa Chemistry Analytical Products 4
Bay 41-4109 less active enantiomer Bay 41-4109 less active enantiomer exhibits less activity than Bay 41-4109 that is a novel class of drugs and inhibits hepatitis B virus (HBV) capsid formation and replication. Synonyms: methyl (4R)-4-(2-chloro-4-fluorophenyl)-2-(3,5-difluoropyridin-2-yl)-6-methyl-1,4-dihydropyrimidine-5-carboxylate; BAY 41-4109; methyl-(R)-4-(2-chloro-4-fluorophenyl)-2-(3,5-difluoro-2-pyridinyl)-6-methyl-1,4-dihydro-pyrimidine-5-carboxylate. Grades: ≥98% (HPLC). CAS No. 476617-51-3. Molecular formula: C18H13ClF3N3O2. Mole weight: 395.76. BOC Sciences 10
Benazepril Enantiomer HCl Benazepril Enantiomer HCl. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: ent-Benazepril 131064-75-0(free base); 2-((R)-3-(((R)-1-ethoxy-1-oxo-4-phenylbutan-2-yl)amino)-2-oxo-2,3,4,5-tetrahydro-1H-benzo[b]azepin-1-yl)acetic acid hydrochloride. CAS No. 215447-89-5. Molecular Formula: C24H28N2O5·HCl. Mole Weight: 460.96. Catalog: APB215447895. Alfa Chemistry Analytical Products 2
Bictegravir Enantiomer Bictegravir Enantiomer. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2S,5R,13aS)-8-hydroxy-7,9-dioxo-N-(2,4,6-trifluorobenzyl)-2,3,4,5,7,9,13,13a-octahydro-2,5-methanopyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazepine-10-carboxamide. Molecular Formula: C21H18F3N3O5. Mole Weight: 449.39. Catalog: APB03695. Alfa Chemistry Analytical Products 3
Bitopertin R enantiomer Bitopertin R enantiomer is the R enantiomer of Bitopertin, which is a potent and noncompetitive glycine reuptake inhibitor (GlyT1). Synonyms: RG1678 (R enantiomer); RG 1678 (R enantiomer); RG-1678 (R enantiomer); RO4917838 (R enantiomer). Grades: >98%. CAS No. 845614-12-2. Molecular formula: C21H20F7N3O4S. Mole weight: 543.46. BOC Sciences 11
Btk inhibitor 1 R enantiomer Btk inhibitor 1 R enantiomer is a pyrazolo[3,4-d]pyrimidine derivative as a Btk kinase inhibitor. Synonyms: 3-(4-phenoxyphenyl)-1-[(3R)-3-piperidinyl]-1H-pyrazolo[3,4-d]pyrimidin-4-amine; (R)-3-(4-Phenoxyphenyl)-1-(piperidin-3-yl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine; 1H-Pyrazolo[3,4-d]pyrimidin-4-amine, 3-(4-phenoxyphenyl)-1-(3R)-3-piperidinyl-. Grades: ≥98% by HPLC. CAS No. 1022150-12-4. Molecular formula: C22H22N6O. Mole weight: 386.45. BOC Sciences 10
Btk inhibitor 1 R enantiomer hydrochloride Btk inhibitor 1R enantiomer Hcl is a pyrazolo[3,4-d]pyrimidine derivative as a Btk kinase inhibitor. Synonyms: Btk inhibitor 1 R enantiomer hydrochloride. Grades: >98%. CAS No. 1553977-42-6. Molecular formula: C22H23ClN6O. Mole weight: 422.91. BOC Sciences 10
Cilastatin Enantiomer Cilastatin Enantiomer. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (Z)-7-(((S)-2-amino-2-carboxyethyl)thio)-2-((R)-2,2-dimethylcyclopropanecarboxamido)hept-2-enoic acid. CAS No. 107872-24-2. Molecular Formula: C16H26N2O5S. Mole Weight: 358.45. Catalog: APB107872242. Alfa Chemistry Analytical Products
cis-Clopidogrel-MP-13C,d3 Derivative (Pair of Enantiomers) Labeled Clopidogrel derivative. It is used as internal standard. Group: Biochemicals. Alternative Names: (Z)-3-(Carboxymethylene)-α-(2-chlorophenyl)-4-[[2-(3-methoxy-13C,d3-phenyl)-2-oxoethyl]thio]-. Grades: Highly Purified. Pack Sizes: 250ug. US Biological Life Sciences. USBiological 2
Worldwide
cis-Clopidogrel-MP Derivative (Pair of Enantiomers) Clopidogrel derivative. It is used as internal standard. Group: Biochemicals. Alternative Names: (Z)-3-(Carboxymethylene)-α-(2-chlorophenyl)-4-[[2-(3-methoxyphenyl)-2-oxoethyl]thio]-. Grades: Highly Purified. Pack Sizes: 250ug. US Biological Life Sciences. USBiological 2
Worldwide
Cobimetinib (R-enantiomer) Cobimetinib (R-enantiomer) is a selective inhibitor of MEK. It is also known as mitogen activated protein kinase kinase (MAPKK) and is a key component of the RAS/RAF/MEK/ERK pathway, which is frequently activated in human tumors. Synonyms: GDC-0973 R-enantiomer; XL-518 R-enantiomer; GDC0973 R-enantiomer; XL518 R-enantiomer; GDC 0973 R-enantiomer; XL 518 R-enantiomer. Grades: >98%. CAS No. 934660-94-3. Molecular formula: C21H21F3IN3O2. Mole weight: 531.31. BOC Sciences 10
Diltiazem Enantiomer HCl Diltiazem Enantiomer HCl. Uses: For analytical and research use. Group: Impurity standards. CAS No. 42399-54-2. Molecular Formula: C22H27ClN2O4S. Mole Weight: 450.98. Catalog: APB42399542. Alfa Chemistry Analytical Products 3
Dolutegravir Enantiomer Dolutegravir Enantiomer. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (4S,12aR)-N-(2,4-difluorobenzyl)-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. CAS No. 1309560-49-3. Molecular Formula: C20H19F2N3O5. Mole Weight: 419.38. Catalog: APB1309560493. Alfa Chemistry Analytical Products
Duvelisib (R-enantiomer) Duvelisib (R-enantiomer). Uses: For analytical and research use. Group: Impurity standards. CAS No. 1261590-48-0. Molecular Formula: C22H17ClN6O. Mole Weight: 416.87. Catalog: APB1261590480. Alfa Chemistry Analytical Products
Duvelisib R enantiomer The R isomer analogue of Duvelisib which is a high selective PI3K δ/γ inhibitor. Uses: The r isomer analogue of duvelisib which is a high selective pi3k δ/γ inhibitor. Synonyms: IPI-145 R enantiomer; IPI 145 R enantiomer; IPI145 R enantiomer; INK1197 R enantiomer; INK 1197 R enantiomer; INK-1197 R enantiomer. Grades: 95%. CAS No. 1261590-48-0. Molecular formula: C22H17ClN6O. Mole weight: 416.86. BOC Sciences 10
Elacestrant S enantiomer Elacestrant S enantiomer is a low activity enantiomer of Elacestrant, which is a selective and orally bioavailable small-molecule SERD (IC50s = 48 and 870 nM for ERα and ERβ, respectively). Synonyms: RAD1901 S enantiomer; 2-Naphthalenol, 6-[2-[ethyl[[4-[2- (ethylamino) ethyl]phenyl]methyl]amino]-4-methoxyphenyl]-5, 6, 7, 8-tetrahydro-, (6S)-; (6S)-6-[2-(Ethyl{4-[2-(ethylamino)ethyl]benzyl}amino)-4-methoxyphenyl]-5,6,7,8-tetrahydro-2-naphthalenol. CAS No. 2309762-29-4. Molecular formula: C30H38N2O2. Mole weight: 458.63. BOC Sciences 10
Elacestrant S enantiomer dihydrochloride Elacestrant S enantiomer dihydrochloride is a low activity enantiomer of Elacestrant, which is a selective and orally bioavailable small-molecule SERD (IC50s = 48 and 870 nM for ERα and ERβ, respectively). Synonyms: RAD1901 S enantiomer dihydrochloride; (6S)-6-[2-(Ethyl{4-[2-(ethylamino)ethyl]benzyl}amino)-4-methoxyphenyl]-5,6,7,8-tetrahydro-2-naphthalenol dihydrochloride; 2-Naphthalenol, 6-[2-[ethyl[[4-[2- (ethylamino) ethyl]phenyl]methyl]amino]-4-methoxyphenyl]-5, 6, 7, 8-tetrahydro-, (6S)-, hydrochloride (1:2). Grades: ≥95%. CAS No. 2309762-30-7. Molecular formula: C30H40Cl2N2O2. Mole weight: 531.56. BOC Sciences 10
Emtricitabine Enantiomer A reverse transcriptase inhibitor. It is an effective antiviral agent against HIV, HBV, and other viruses replicating in a similar manner. Synonyms: 4-Amino-5-fluoro-1-[(2S,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2(1H)-pyrimidinone; (2S-cis)-4-Amino-5-fluoro-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2(1H)-pyrimidinone. Grades: > 95%. CAS No. 137530-41-7. Molecular formula: C8H10FN3O3S. Mole weight: 247.25. BOC Sciences 8
Emtricitabine Enantiomer Emtricitabine Enantiomer. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 4-amino-5-fluoro-1-((2S,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one. CAS No. 137530-41-7. Molecular Formula: C8H10FN3O3S. Mole Weight: 247.25. Catalog: APB137530417. Alfa Chemistry Analytical Products 2
Ertapenem Side Chain Enantiomer 1 An intermediate of Ertapenem. Ertapenem is a carbapenem antibiotic. Synonyms: 3-[[[(2S,4S)-1-(4-Nitrobenzyloxycarbonyl)-4-mercaptopyrrolidin-2-yl]carbonyl]amino]benzoic Acid; (2S-cis)-2-[[(3-Carboxyphenyl)amino]carbonyl]-4-mercapto-1-pyrrolidinecarboxylic Acid 1-[(4-Nitrophenyl)methyl] Ester. Grades: > 95%. CAS No. 202467-69-4. Molecular formula: C20H19N3O7S. Mole weight: 445.45. BOC Sciences 8
Ertapenem Side Chain Enantiomer 2 HCl An intermediate of Ertapenem. Ertapenem is a carbapenem antibiotic. Synonyms: 3-((2S,4S)-4-mercaptopyrrolidine-2-carboxamido)benzoic acid HCl. Grades: > 95%. CAS No. 503607-49-6. Molecular formula: C12H14N2O3S. HCl. Mole weight: 266.32 36.46. BOC Sciences 8
EX-527 R-enantiomer EX-527 R-enantiomer is the R-enantiomer of EX-527, which is a potent and selective SIRT1 inhibitor and with no inhibition on SIRT3 and SIRT3. It is a negative control of the active form EX-527 S-enantiomer. Synonyms: Selisistat R-enantiomer; (R)-Selisistat; EX-527(R); EX 527(R); EX527(R). Grades: >98%. CAS No. 848193-69-1. Molecular formula: C13H13ClN2O. Mole weight: 248.71. BOC Sciences 10
EX-527 S-enantiomer EX-527 S-enantiomer is the S-enantiomer of EX-527, which is a potent and selective SIRT1 inhibitor and with no inhibition on SIRT3 and SIRT3. Synonyms: Selisistat S-enantiomer; EX-527(S); (S)-Selisistat; EX 527(S); EX527(S); EX-527S; EX527S. Grades: >98%. CAS No. 848193-68-0. Molecular formula: C13H13ClN2O. Mole weight: 248.71. BOC Sciences 10
Ezetimibe Impurity 8 Enantiomer An impurity of Ezetimibe. Ezetimibe inhibits intestinal cholesterol absorption by preventing cholesterol uptake by the Niemann-Pick C1-like 1 (NPC1L46) protein, a cholesterol transporter located in the apical membrane of enterocytes. Synonyms: 3-[5-(1,5-Dioxo-5-(p-fluophenylpentyl]-4R-phenyl-2-oxazolidinone. Grades: > 95%. CAS No. 404874-93-7. Molecular formula: C20H18FNO4. Mole weight: 355.37. BOC Sciences 7
Fenoterol EP impurity a (enantiomeric mixture) Fenoterol EP impurity a (enantiomeric mixture). Uses: For analytical and research use. Group: Impurity standards. CAS No. 107878-38-6. Molecular Formula: C17H21NO4. Mole Weight: 303.36. Catalog: APB107878386. Alfa Chemistry Analytical Products
Fentanyl EP impurity A (enantiomer) Fentanyl EP impurity A (enantiomer). Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C22H28N2O2. Mole Weight: 352.48. Catalog: APB11787. Alfa Chemistry Analytical Products 4
Flunarizine EP Impurity B enantiomer Flunarizine EP Impurity B enantiomer. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C26H27FN2. Mole Weight: 386.51. Catalog: APB10495. Alfa Chemistry Analytical Products 4
Flunarizine EP Impurity C enantiomer Flunarizine EP Impurity C enantiomer. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C26H26F2N2. Mole Weight: 404.5. Catalog: APB10494. Alfa Chemistry Analytical Products 4
Fmoc-N-methyl-L-isoleucine 98+% (sum of enantiomers, HPL Fmoc-N-methyl-L-isoleucine 98+% (sum of enantiomers, HPL. Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 1g, 5g, 25g. US Biological Life Sciences. USBiological 5
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Fosamprenavir enantiomer Grades: > 95%. Molecular formula: C25H36N3O9PS. Mole weight: 585.62. BOC Sciences 8
Fosfomycin Enantiomer Fosfomycin Enantiomer is one of fosfomycin impurities. Fosfomycin is an antibiotic that exerts a broad spectrum of antibacterial activity. It was produced by certain Streptomyces species. Synonyms: 1S,2R-1,2-epoxypropyl phosphonic acid; cis-Epoxy-1,2-propyl-phosphonsaeure; cis-(2-Methyloxiranyl)-phosphonic acid; [[2S,3R,(+)]-3-Methyloxiran-2-yl]phosphonic acid. Grades: > 98%. CAS No. 26017-03-8. Molecular formula: C3H7O4P. Mole weight: 138.06. BOC Sciences 8
Fosfomycin Enantiomer Impurity Fosfomycin Enantiomer Impurity. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: ((2S,3R)-3-methyloxiran-2-yl)phosphonic acid. CAS No. 26017-03-8. Molecular Formula: C3H7O4P. Mole Weight: 138.06. Catalog: APB26017038. Alfa Chemistry Analytical Products 2
Fosfomycin Enantiomer Impurity Disodium Salt Fosfomycin Enantiomer Impurity Disodium Salt. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: sodium ((2S,3R)-3-methyloxiran-2-yl)phosphonate. Molecular Formula: C3H5O4P·2Na. Mole Weight: 182.02. Catalog: APB06332. Alfa Chemistry Analytical Products 4
Fosfomycin Enantiomer Impurity (Phenylethylamine Salt) Fosfomycin Enantiomer Impurity (Phenylethylamine Salt). Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (S)-1-phenylethanamine ((2S,3R)-3-methyloxiran-2-yl)phosphonate. Molecular Formula: C3H7O4P·C8H11N. Mole Weight: 259.1. Catalog: APB06333. Alfa Chemistry Analytical Products 4
Gepotidacin S enantiomer Gepotidacin S enantiomer is an S enantionmer of gepotidacin which is a potent Type II DNA topoisomerase inhibitor and appears as a novel antibacterial drug candidate. Synonyms: Gepotidacin (S enantiomer). Molecular formula: C24H28N6O3. Mole weight: 448.52. BOC Sciences 9
GLPG0492 R enantiomer The R-enantiomer of GLPG0492 which is a selective androgen receptor modulator, could be effective in decreasing muscle loss. Uses: The r-enantiomer of glpg0492 which is a selective androgen receptor modulator that could be effective in decreasing muscle loss. Synonyms: GLPG-0492 R enantiomer; GLPG 0492 R enantiomer; GLPG0492 R enantiomer. Grades: 98%. CAS No. 1215085-93-0. Molecular formula: C19H14F3N3O3. Mole weight: 389.33. BOC Sciences 10
JQ1 Enantiomers Set ((S)-tert-butyl 2-(4-(4-chlorophenyl)-2,3,9-trimethyl-6H-thieno[3,2-f][1,2,4]triazolo[4,3-a][1,4]diazepin-6-yl)acetate, SGCBD01, BRD2 Inhibitor III, BRD3 Inhibitor II, BRD4 Inhibitor III, BRD6 Inhibitor I, BRDT Inhibitor I) A cell-permeable I-BET class of thienodiazepine derivative whose (S)-(+), but not (R)-(-), enantiomer is shown to target both bromodomains (BD1 & BD2) of BET family members BRD2, BRD3, BRD4, and BRD6/BRDT in a Kac- (epsilon-N-acetylated lysine) competitive manner, exhibiting little affinity toward 23 other BD-containing proteins, BRD1 and BRD9, and little or no activity against a panel of more than 50 receptors, ion channels, and transporters. Effectively inhibits the oncogenic BRD4-NUT fusion-dependent NUT midline carcinoma and c-Myc oncoprotein-dependent multiple myeloma proliferation both in cultures (IC50 <1uM) in vitro and in mice (50mg/kg/day i.p.) in vivo. Also reported to cross the blood-testis boundary in male mice and effectively block BRDT-mediated spermatogenesis without affecting hormone levels. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1set. US Biological Life Sciences. USBiological 4
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Labetalol EP impurity E (enantiomer) Labetalol EP impurity E (enantiomer). Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C18H20N4O4. Mole Weight: 356.38. Catalog: APB10766. Alfa Chemistry Analytical Products 4
Labetalol EP impurity g (enantiomer) Labetalol EP impurity g (enantiomer). Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C19H23BrN2O3. Mole Weight: 407.31. Catalog: APB08401. Alfa Chemistry Analytical Products 4
Lamivudine Impurity D (Lamivudine Enantiomer) Synonyms: 4-Amino-1-[(2S,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]pyrimidin-2(1H)-one. Grades: > 95%. Molecular formula: C8H11N3O3S. Mole weight: 229.26. BOC Sciences 7
Levocarnitine EP Impurity B (Enantiomer) Levocarnitine EP Impurity B (Enantiomer). Uses: For analytical and research use. Group: Impurity standards. CAS No. 5394-83-2/306279-95-8. Molecular Formula: C10H16O4. Mole Weight: 200.23. Catalog: APB5394832. Alfa Chemistry Analytical Products 3
LIN28 inhibitor LI71 enantiomer LIN28 inhibitor LI71 enantiomer is the enantiomer of LIN28 inhibitor LI71 with less active. LIN28 inhibitor LI71 is a potent and cell-permeable LIN28 inhibitor, which abolishes LIN28-mediated oligouridylation with an IC 50 of 7 uM [1]. Uses: Scientific research. Group: Signaling pathways. CAS No. 956189-58-5. Pack Sizes: 5 mg; 10 mg; 50 mg; 100 mg. Product ID: HY-123905A. MedChemExpress MCE
L (+)-Mandelic acid, 99.5% (Enantiomeric purity) L (+)-Mandelic acid, 99.5% (Enantiomeric purity). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 100g, 250g, 25g, 1Kg, 5Kg. US Biological Life Sciences. USBiological 5
Worldwide
Megestrol Acetate EP Impurity G (enantiomer) Megestrol Acetate EP Impurity G (enantiomer). Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C25H34O4. Mole Weight: 398.54. Catalog: APB11632. Alfa Chemistry Analytical Products 4
Mesembrenol Enantiomer Grades: > 95%. Molecular formula: C17H23NO3. Mole weight: 289.38. BOC Sciences 6
Mesembrenone Enantiomer Grades: > 95%. Molecular formula: C17H21NO3. Mole weight: 287.36. BOC Sciences 6
Metaraminol Bitartrate Enantiomer Metaraminol Bitartrate Enantiomer. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 61-59-6 (free amine); 3-((1S,2R)-2-amino-1-hydroxypropyl)phenol (2S,3S)-2,3-dihydroxysuccinate. CAS No. 27303-40-8. Molecular Formula: C9H13NO2·C4H6O6. Mole Weight: 317.29. Catalog: APB27303408. Alfa Chemistry Analytical Products 2
Mirabegron Enantiomer Impurity Mirabegron Enantiomer Impurity. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (S)-2-(2-aminothiazol-4-yl)-N-(4-(2-((2-hydroxy-2-phenylethyl)amino)ethyl)phenyl) acetamide. CAS No. 1796931-48-0. Molecular Formula: C21H24N4O2S. Mole Weight: 396.51. Catalog: APB1796931480. Alfa Chemistry Analytical Products 2
MK-4827 (R-enantiomer) MK-4827 (R-enantiomer) is the R form of MK-4827, which is a PARP inhibitor developed for the treatment of ovarian cancer. Synonyms: (R)-2-(4-(piperidin-3-yl)phenyl)-2H-indazole-7-carboxamide; Niraparib R-enantiomer; MK4827 R-enantiomer; MK 4827 R-enantiomer; MK-4827 R-enantiomer. Grades: > 98%. CAS No. 1038915-58-0. Molecular formula: C19H20N4O. Mole weight: 320.396. BOC Sciences 9
Montelukast S-Enantiomer Sodium Salt 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: 1- [ [ [ (1S) -1- [3- [ (1E) -2- (7-Chloro-2-quinolinyl) ethenyl] phenyl] -3- [2- (1-hydroxy-1-methylethyl) phenyl] propyl] thio] methyl] cyclopropaneacetic Acid Sodium Salt; L 768232; Montelukast EP Impurity A. Grades: > 95%. CAS No. 190078-45-6. Molecular formula: C35H35ClNO3S.Na. Mole weight: 608.2. BOC Sciences 8
ND-630 S enantiomer ND-630 S enantiomer is the S enantiomer of ND-630 which is an acetyl-CoA carboxylase (ACC) inhibitor, and improves metabolic syndrome endpoints, decreases liver steatosis, decreases expression of inflammatory markers and improves fibrosis. Synonyms: 2-[1-[(2S)-2-(2-methoxyphenyl)-2-(oxan-4-yloxy)ethyl]-5-methyl-6-(1,3-oxazol-2-yl)-2,4-dioxothieno[2,3-d]pyrimidin-3-yl]-2-methylpropanoic acid; ND-630 (S enantiomer); ND 630 (S enantiomer); ND630 (S enantiomer). Molecular formula: C28H31N3O8S. Mole weight: 569.63. BOC Sciences 10
Necrostatin 2 S enantiomer Necrostatin 2 S enantiomer is the S enantiomer of Necrostatin, which is a potent necroptosis inhibitor. Synonyms: Necrostatin 2 S enantiomer; 852391-20-9; Necrostatin 2 (S enantiomer); Necrostatin 2 S-Enantiomer; (5S)-5-[(7-CHLORO-1H-INDOL-3-YL)METHYL]-3-METHYLIMIDAZOLIDINE-2,4-DIONE; (S)-5-((7-chloro-1H-indol-3-yl)methyl)-3-methylimidazolidine-2,4-dione; SCHEMBL859928; CHEMBL365607; CJB39120; HY-14622B; AKOS030526930; CS-1665; 2,4-Imidazolidinedione, 5-[(7-chloro-1H-indol-3-yl)methyl]-3-methyl-, (5S)-; NCGC00390744-01; MS-23944; F84976; A917559. Grades: >98%. CAS No. 852391-20-9. Molecular formula: C13H12ClN3O2. Mole weight: 277.71. BOC Sciences 9
Pentoxifylline Enantiomeric impurity Pentoxifylline Enantiomeric impurity. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1329834-21-0. Molecular Formula: C18H26N4O4. Mole Weight: 362.42. Catalog: APB1329834210. Alfa Chemistry Analytical Products
Peramivir Enantiomer Peramivir Enantiomer. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (1R,2R,3S,4S)-3-((R)-1-acetamido-2-ethylbutyl)-4-guanidino-2-hydroxycyclopentanecarboxylic acid. CAS No. 229615-12-7. Molecular Formula: C15H28N4O4. Mole Weight: 328.41. Catalog: APB229615127. Alfa Chemistry Analytical Products 2
Perindopril Related Compound 5 Enantiomer HCl An impurity of Perindopril which has anticancer activity through the inhibition of tumor growth and angiogenesis in hepatocellular carcinoma cells. Synonyms: (2S,3aS,7aR)-Octahydro-1H-indole-2-carboxylic Acid Hydrochloride. Grades: > 95%. CAS No. 144540-74-9. Molecular formula: C9H15NO2.HCl. Mole weight: 205.69. BOC Sciences 7
Posaconazole Enantiomer Posaconazole Enantiomer is an impurity of Posaconazole. Posaconazole is a broad-spectrum triazole compound that is active against fungi by inhibiting the lanosterol 14α-demethylase enzyme. Synonyms: ent-Posaconazole. Grades: > 95%. CAS No. 2243785-97-7. Molecular formula: C37H42F2N8O4. Mole weight: 700.78. BOC Sciences 7
Ramipril Impurity J (Ramipril Enantiomer) Enantiomer of Ramipril.Ramipril is an angiotensin-converting enzyme inhibitor. It can be used for treatment of hypertension and congestive heart failure. Grades: > 95%. Molecular formula: C23H32N2O5. Mole weight: 416.52. BOC Sciences 7
Refametinib R enantiomer Refametinib R enantiomer is a potent, selective and allosteric inhibitor of MEK1/2 in enzyme inhibition assays. It has been reported to inhibit MEK activity and inhibit anchorage-dependent growth. Moreover, it has shown a potent tumor growth inhibition (TGI) in the human A375 and colon carcinoma Colo205 tumor xenograft models. Synonyms: BAY 869766 R enantiomer; RDEA119 R enantiomer; BAY869766 R enantiomer; RDEA 119 R enantiomer; BAY-869766 R enantiomer; RDEA-119 R enantiomer. Grades: >98%. CAS No. 923032-38-6. Molecular formula: C19H20F3IN2O5S. Mole weight: 572.34. BOC Sciences 10
RSV604 R enantiomer RSV604 R enantiomer is the R-enantiomer of RSV604, an inhibitor of respiratory syncytial virus (RSV) replication. R-enantiomer is less active against RSV compared to RSV604. Synonyms: RSV604 (R enantiomer); RSV604 R enantiomer; 932108-20-8; 1-(2-fluorophenyl)-3-[(3R)-2-oxo-5-phenyl-1,3-dihydro-1,4-benzodiazepin-3-yl]urea; CHEMBL223191; HY-12993B; AKOS032944903; CS-6122; NCGC00522593-01. Grades: ≥98% (HPLC). CAS No. 932108-20-8. Molecular formula: C22H17FN4O2. Mole weight: 388.39. BOC Sciences 10
Sacubitril Enantiomer Sacubitril enantiomer.Sacubitril is a prodrug neprilysin inhibitor used in combination with valsartan to reduce the risk of cardiovascular events in patients with chronic heart failure (NYHA Class II-IV) and reduced ejection fraction. Synonyms: 2R,4S-Sacubitril; (2R,4S)-5-(Biphenyl-4-yl)-4-[(3-carboxypropionyl)amino]-2-methylpentanoic acid ethyl ester; 4-[[(2R,4S)-5-ethoxy-4-methyl-5-oxo-1-(4-phenylphenyl)pentan-2-yl]amino]-4-oxobutanoic acid; (2S,4R)-Sacubitril; SCHEMBL22420467; CS-M3545; AKOS030528367; HY-78847; MS-27102; PD100765; L10003; EN300-6474615; A854860; [1,1'-Biphenyl]-4-pentanoic acid, |A-[(3-carboxy-1-oxopropyl)amino]-|A-methyl-, 4-ethyl ester, (|AS,|AR)-; 3-{[(2R,4S)-1-{[1,1'-biphenyl]-4-yl}-5-ethoxy-4-methyl-5-oxopentan-2-yl]carbamoyl}propanoic acid; 4-(((2R,4S)-1-([1,1'-biphenyl]-4-yl)-5-ethoxy-4-methyl-5-oxopentan-2-yl)amino)-4-oxobutanoic acid; (alphaS,gammaR)-gamma-[(3-Carboxy-1-oxopropyl)amino]-alpha-methyl-[1,1'-biphenyl]-4-pentanoic acid 4-ethyl ester. Grades: > 95%. CAS No. 761373-05-1. Molecular formula: C24H29NO5. Mole weight: 411.5. BOC Sciences 8
Sertraline EP Impurity F Enantiomer Sertraline EP Impurity F Enantiomer. Uses: For analytical and research use. Group: Impurity standards. CAS No. 124379-29-9. Molecular Formula: C16H12Cl2O. Mole Weight: 291.17. Catalog: APB124379299. Alfa Chemistry Analytical Products
THK5351 R enantiomer THK5351 R enantiomer is an R enantiomer of THK5351 which can be radiolabeled and used as a radiotracer for in vivo imaging of tau pathology in the brain and bounds to AD hippocampal homogenates with high affinity (Kd = 2.9 nmol/L; Bmax = 368.3 pmol/g tissue). Synonyms: (2R)-1-fluoro-3-[2-[6-(methylamino)pyridin-3-yl]quinolin-6-yl]oxypropan-2-ol; THK5351 (R enantiomer). Molecular formula: C18H18FN3O2. Mole weight: 327.35. BOC Sciences 9

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