BOC Sciences provides a wide range of research chemicals and biochemicals including inhibitors, building blocks, GMP Products, impurities and metabolites, APIs for Veterinary, Natural Compounds, ADCs, Stem Cell Molecule and chiral compounds.
| Product | Description | |
|---|---|---|
| Levocarnitine Impurity D | Levocarnitine Impurity. Synonyms: (E)- or (Z)-4-amino-N,N,N-trimethyl-4-oxobut-2-en-1-aminium. Grades: > 95%. Molecular formula: C7H15N2O. Mole weight: 143.21. |  |
| Levocetirizine | . Uses: Histamine h1 antagonists, non-sedating. Synonyms: (2-(4-((R)-(4-chlorophenyl)phenylmethyl)piperazin-1-yl)ethoxy)acetic acid dihydrochloride; (2-(4-((R)-p-chloro-alpha-phenylbenzyl)-1-piperazinyl)ethoxy)acetic acid; cetirizine (R)-form dihydrochloride. Grades: 98%. CAS No. 130018-77-8. Molecular formula: C21H25ClN2O3. Mole weight: 388.89. | |
| Levocetirizine Impurity 1 | Grades: > 95%. Molecular formula: C28H32ClN3O2. Mole weight: 478.04. | |
| Levocetirizine Impurity 11 | Levocetirizine Impurity 11 is one of Levocetirizine impurities. Levocetirizine is an antihistamine used routinely for the treatment of various allergic disorders such as urticaria, eczemas, and also in itchy lesions of skin like scabies. Synonyms: 2-(2-(1-(2-(carboxymethoxy)ethyl)-4-((4-chlorophenyl)(phenyl). Molecular formula: C25H31ClN2O6. Mole weight: 490.98. | |
| Levocetirizine Impurity 13 | Levocetirizine Impurity 13 is one of Levocetirizine impurities. Levocetirizine is an antihistamine used routinely for the treatment of various allergic disorders such as urticaria, eczemas, and also in itchy lesions of skin like scabies. Molecular formula: C23H29ClN2O4. Mole weight: 432.94. | |
| Levocetirizine Impurity 14 L-tartrate salt | Levocetirizine Impurity 14 L-tartrate salt is one of Levocetirizine impurities. Levocetirizine is an antihistamine used routinely for the treatment of various allergic disorders such as urticaria, eczemas, and also in itchy lesions of skin like scabies. Synonyms: (-)-Alpha-(4-Chlorophenyl)benzylamine(+)-tartrate salt. Grades: 98%. CAS No. 1159295-40-5. Molecular formula: C17H18ClNO6. Mole weight: 367.78. | |
| Levocetirizine Impurity 4 | Synonyms: (RS)-2-[2-[4-[(2-Chlorophenyl)phenylmethyl]piperazin-1-yl]ethoxy] acetic acid. Grades: > 95%. Molecular formula: C21H25ClN2O3. Mole weight: 388.90. | |
| Levocetirizine Impurity 9 | Cetirizine impurity. Synonyms: (RS)-2-[2-[4-[(4-Chlorophenyl)phenylmethyl]piperazin-1-yl]ethoxy]acetamide; 2-[2-[4-[(4-Chlorophenyl)phenylmethyl]-1-piperazinyl]ethoxy]-acetamide. Grades: > 95%. CAS No. 83881-37-2. Molecular formula: C21H26ClN3O2. Mole weight: 387.91. | |
| Levocetirizine Lactose Ester Impurity | Levocetirizine Lactose Ester Impurity is one of Levocetirizine impurities. Levocetirizine is an antihistamine used routinely for the treatment of various allergic disorders such as urticaria, eczemas, and also in itchy lesions of skin like scabies. Molecular formula: C33H45ClN2O13. Mole weight: 713.17. | |
| Levocetirizine N-Oxide | N-Oxide Impurity of Levocetirizine. Synonyms: 2-[2-[4-[(4-Chlorophenyl)phenylmethyl]-1-oxido-piperazin-1-yl]ethoxy] acetic acid. Grades: > 95%. Molecular formula: C21H25ClN2O4. Mole weight: 404.90. | |
| Levomepromazine | Levomepromazine is a phenothiazine neuroleptic drug. It is a low-potency antipsychotic with strong analgesic, hypnotic and antiemetic properties that is primarily used in palliative care. Uses: Antipsychotic agents. Synonyms: (-)-10-(3-[Dimethylamino]-2-methylpropyl)-2-methoxyphenothiazine; Methotrimeprazine. Grades: > 95%. CAS No. 60-99-1. Molecular formula: C19H24N2OS. Mole weight: 328.48. | |
| Levomilnacipran | Levomilnacipran is the levo- enantiomer of milnacipran, and has similar effects and pharmacology, acting as a serotonin-norepinephrine reuptake inhibitor (SNRI). Synonyms: (1R,2S)-2-(Aminomethyl)-N,N-diethyl-1-phenylcyclopropanecarboxamide. Grades: > 95%. CAS No. 96847-55-1. Molecular formula: C15H22N2O. Mole weight: 246.35. | |
| Levonorgestrel Impurity A | Cas No. 1260525-53-8. | |
| Levonorgestrel Impurity B | Cas No. 19914-67-1. | |
| Levonorgestrel Impurity C | Cas No. 1337972-89-0. | |
| Levonorgestrel Impurity D | Cas No. 32419-58-2. | |
| Levonorgestrel Impurity G | Cas No. 87585-03-3. | |
| Levonorgestrel Impurity H (6-beta-Hydroxy Levonorgestrel) | Cas No. 55555-97-0. | |
| Levonorgestrel Impurity I (10-beta-Hydroxy Levonorgestrel) | Cas No. 21508-50-9. | |
| Levonorgestrel Impurity J (6-Keto Levonorgestrel) | Cas No. 1175109-63-3. | |
| Levonorgestrel Impurity L (18-Methylester-4-ene-3,17-dione) | Cas No. 21800-83-9. | |
| Levonorgestrel Impurity M | Cas No. 51087-61-7. | |
| Levonorgestrel Impurity N | Cas No. 4222-96-2. | |
| Levonorgestrel Impurity O | Cas No. 155683-60-6. | |
| Levonorgestrel Impurity P | Cas No. 100021-05-4. | |
| Levonorgestrel Impurity Q | Cas No. 1038-28-4. | |
| Levonorgestrel Impurity R | Cas No. 2322-77-2. | |
| Levonorgestrel Impurity S | Cas No. 176254-10-7. | |
| Levonorgestrel Impurity T | Cas No. 799-43-9. | |
| Levonorgestrel Impurity V (Aromatic Levonorgestrel) | Cas No. 14009-70-2. | |
| Levonorgestrel Impurity W | Cas No. 155683-59-3. | |
| Levonorgestrel Sulfate Sodium Salt | a Norgestrel metabolite. Synonyms: D-(-)-Norgestrel-17-sulfate Sodium Salt. Grades: > 95%. Molecular formula: C21H27O5S.Na. Mole weight: 414.49. | |
| Levosimendan Impurity 1 | an impurity of Levosimendan. Synonyms: Levosimendan Triazene Impurity. Grades: > 95%. Molecular formula: C22H23N7O2. Mole weight: 417.46. | |
| Levosimendan Impurity 2 | an impurity of Levosimendan. Synonyms: Levosimendan Cyanoacetate Hydrazone Impurity. Grades: > 95%. Molecular formula: C16H17N5O3. Mole weight: 327.34. | |
| Levosimendan Impurity (2- [2- [4- (2-Azidotetrahydro-3-Methyl-5-oxo-2-Furanyl) phenyl] hydrazinylidene] propanedinitrile) | Synonyms: 2- [2- [4- (2-Azidotetrahydro-3-Methyl-5-oxo-2-furanyl) phenyl] hydrazinylidene] propanedinitrile (Mixture of DiasteroMers). Grades: > 95%. CAS No. 252638-01-0. Molecular formula: C14H11N7O2. Mole weight: 309.29. | |
| Levosimendan Impurity 3 | Grades: > 95%. Molecular formula: C30H30N12O3. Mole weight: 606.65. | |
| Levothyroxine Impurity 10 | a chlorinated derivative of 3,3',5'-Triiodo-L-thyronine. Synonyms: 3-Chloro-3',5,5'-triiodo-L-thyronine; 3-[3-Chloro-4(4-hydroxy-3,5-diodophenoxy)-5-iodopheyl]-L-Alanine. Grades: > 95%. CAS No. 909279-46-5. Molecular formula: C15H11ClI3NO4. Mole weight: 685.43. | |
| Levothyroxine Impurity 11 | The acetic acid analog of Thyroxine. A potent Thyroxine impurity. Synonyms: 3,5-Diiodo Thyroacetic Acid; 4-(4-Hydroxyphenoxy)-3,5-diiodobenzeneacetic Acid. Grades: > 95%. CAS No. 1155-40-4. Molecular formula: C14H10I2O4. Mole weight: 496.04. | |
| Levothyroxine Impurity B | an impurity of Thyroxine. Synonyms: O-(4-Hydroxy-3-chloro-5-iodophenyl)-3,5-diiodo-L-tyrosine; (2S)-2-Amino-3-[4-(3-chloro-4-hydroxy-5-iodophenoxy)-3,5-diiodophenyl]propanoic Acid; 3-Chloro Thyroxine. Grades: > 95%. CAS No. 1628720-66-0. Molecular formula: C15H11ClI3NO4. Mole weight: 685.43. | |
| Levothyroxine N-methylamide | an impurity of Thyroxine. Synonyms: (S)-2-Amino-3-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)-N-methylpropanamide. Grades: > 95%. Molecular formula: C16H14I4N2O3. Mole weight: 789.92. | |
| Levothyroxine N-Methylamine | an impurity of Thyroxine. Synonyms: (S)-2-Amino-3-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)-N-methylpropanamide. Grades: > 95%. Molecular formula: C16H14I4N2O3. Mole weight: 789.92. | |
| Levothyroxine phenolic glucuronide | a major metabolite and glucuronide conjugate of Thyroxine. Synonyms: Thyroxine 4'-O-β-D-Glucuronide; 4-[4-[(2S)-2-Amino-2-carboxyethyl]-2,6-diiodophenoxy]-2,6-diiodophenyl β-D-Glucopyranosiduronic ccAcid. Grades: > 95%. CAS No. 21462-56-6. Molecular formula: C21H19I4NO10. Mole weight: 953.00. | |
| Levothyroxine Related Compound (2-Acetamido-3-(3,5-diiodo-4-(4-methoxyphenoxy)phenyl) Propanoic Acid) | Grades: > 95%. CAS No. 886203-79-8. Molecular formula: C18H17I2NO5. Mole weight: 581.15. | |
| Levothyroxine Related Compound (2-Acetamido-3-(4-acetoxy-3,5-diiodophenyl)propanoic Acid) | Grades: > 95%. CAS No. 153324-21-1. Molecular formula: C13H13I2NO5. Mole weight: 517.06. | |
| Levothyroxine Related Compound (2-Amino-3-(3,5-diiodo-4-(4-methoxyphenoxy)phenyl)propanoic acid) | Synonyms: L-Tyrosine,3,5-diiodo-o-(4-Methoxyphenyl). Grades: > 95%. CAS No. 94345-95-6. Molecular formula: C16H15I2NO4. Mole weight: 539.11. | |
| Levothyroxine Related Compound (2-Amino-3(3-bromo-4-(4-hydroxyphenoxy)-5-iodophenyl)propanoic Acid) | Grades: > 95%. Molecular formula: C15H13BrINO4. Mole weight: 478.08. | |
| Levothyroxine Related Compound (Methyl 2-acetamido-3-(3,5-diiodo-4-(4-methoxyphenoxy)phenyl) Propanoate) | Grades: > 95%. Molecular formula: C19H19I2NO5. Mole weight: 595.18. | |
| Levothyroxine Related Compound (N-Acetyl-3,5-Diiodo-L-Tyrosine) | N-Acetyl-3,5-diiodo-L-tyrosine has been used in the modeling system to study thyroid hormone biosynthesis. Synonyms: 3,5-Diiodo-N-acetyl-L-tyrosine (S)-2-Acetamido-3-(4-hydroxy-3,5-diiodophenyl)propanoic acid. Grades: > 95%. CAS No. 1027-28-7. Molecular formula: C11H11I2NO4. Mole weight: 475.01. | |
| Levothyroxine Related Compound (N-Acetyl 3,5-diiodo-L-tyrosine Methyl Ester) | Grades: > 95%. CAS No. 56460-41-4. Molecular formula: C12H13I2NO4. Mole weight: 489.05. | |
| Levothyroxine sulfate | a metabolite and sulfoconjugated derivative of Thyroxine. Synonyms: Thyroxine 4'-O-Sulfate; O-[3,5-Diiodo-4-(sulfooxy)phenyl]-3,5-diiodo-L-tyrosine. Grades: > 95%. CAS No. 77074-49-8. Molecular formula: C15H11I4NO7S. Mole weight: 856.93. | |
| L-gamma-Glutamyl-L-valylglycine | Synonyms: gamma-Glutamyl-valyl-glycine; (S)-2-Amino-5-(((S)-1-((carboxymethyl)amino)-3-methyl-1-oxobutan-2-yl)amino)-5-oxopentanoic acid. CAS No. 38837-70-6. Molecular formula: C12H21N3O6. Mole weight: 303.31. | |
| L-(-)-Glucose | Cas No. 921-60-8. | |
| L-Glutamamide | Synonyms: Glutamamide; L-Glutamine amide. CAS No. 2013-17-4. Molecular formula: C5H11N3O2. Mole weight: 145.16. | |
| L-Glutamic acid diethylamide | Synonyms: (S)-4-amino-5-(diethylamino)-5-oxopentanoic acid; H-Glu-NEt2; N,N-Diethyl-L-α-glutamine; L-Glutamine Diethylamide; Pentanoic acid, 4-amino-5-(diethylamino)-5-oxo-, (4S)-; Pentanoic acid, 4-amino-5-(diethylamino)-5-oxo-, (S)-. CAS No. 745738-16-3. Molecular formula: C9H18N2O3. Mole weight: 202.25. | |
| L-Glutamic acid,L-valylglycyl-L-seryl- | Synonyms: VAL-GLY-SER-GLU; VGSE; 1-L-Valine eosinophilotactic peptide. CAS No. 61756-22-7. Molecular formula: C15H26N4O8. Mole weight: 390.39. | |
| L-Glutamine methyl ester | Synonyms: (S)-Methyl 2,5-diamino-5-oxopentanoate. CAS No. 40846-98-8. Molecular formula: C6H12N2O3. Mole weight: 160.17. | |
| L-Glutaminol | Cas No. 40217-15-0. Molecular formula: C5H12N2O2. Mole weight: 132.16. | |
| L-Glutamyl-L-Proline | L-Glutamyl-L-Proline is a dipeptide composed of glutamate and proline. It is an incomplete breakdown product of protein digestion or protein catabolism. Synonyms: L-Proline, L-a-glutamyl-; L-α-Glutamyl-L-proline; Glutamyl-proline; L-Proline, L-alpha-glutamyl-; Glu-Pro; glutamylproline; H-EP-OH. Grades: ≥98%. CAS No. 41745-47-5. Molecular formula: C10H16N2O5. Mole weight: 244.24. | |
| LGnRH-III, lamprey acetate | LGnRH-III, lamprey acetate, a GnRH isoform isolated from the sea lamprey, is a weak GnRH receptor agonist with anti-tumor activity. It is an evolutionarily conserved member of the GnRH family and can stimulate the secretion of gonadotropins, luteinizing, and follicle-stimulating hormones. Synonyms: H-Pyr-His-Trp-Ser-His-Asp-Trp-Lys-Pro-Gly-NH2.CH3CO2H; L-pyroglutamyl-L-histidyl-L-tryptophyl-L-seryl-L-histidyl-L-alpha-aspartyl-L-tryptophyl-L-lysyl-L-prolyl-glycinamide acetate. Grades: ≥95%. Molecular formula: C61H78N18O16. Mole weight: 1319.38. | |
| L-Histidine N-oxide impurity | Grades: > 95%. Molecular formula: C6H10N3O3Cl. Mole weight: 207.62. | |
| LHRH (1-2) (free acid) | Synonyms: H-Pyr-His-OH; L-pyroglutamyl-L-histidine; Pyroglutamylhistidine; (S)-3-(1H-Imidazol-4-yl)-2-((S)-5-oxopyrrolidine-2-carboxamido)propanoic acid; 5-Oxo-L-prolyl-L-histidine; N-(5-Oxo-L-prolyl)-L-histidine. Grades: ≥95%. CAS No. 32159-22-1. Molecular formula: C11H14N4O4. Mole weight: 266.26. | |
| LHRH (free acid) | Synonyms: 10-Glycine-LHRH; 10-Gly-LHRH; LHRH, Glycine(10)-; pGlu-His-Trp-Ser-Tyr-Gly-Leu-Arg-Pro-Gly. CAS No. 35263-73-1. Molecular formula: C55H74N16O14. Mole weight: 1183.27. | |
| LHRH II | LHRH II, first found in chicken, is highly conserved in vertebrates. Synonyms: LH-RH II, chicken; Pyr-His-Trp-Ser-His-Gly-Trp-Tyr-Pro-Gly-NH2; LHRH, His(5)-Trp(7)-Tyr(8)-; Glycinamide, 5-oxo-L-prolyl-L-histidyl-L-tryptophyl-L-seryl-L-histidylglycyl-L-tryptophyl-L-tyrosyl-L-prolyl-; 5-Oxo-L-prolyl-L-histidyl-L-tryptophyl-L-seryl-L-histidylglycyl-L-tryptophyl-L-tyrosyl-L-prolylglycinamide; L-pyroglutamyl-L-histidyl-L-tryptophyl-L-seryl-L-histidyl-glycyl-L-tryptophyl-L-tyrosyl-L-prolyl-glycinamide; GNRH, Chicken II; pGlu-His-Trp-Ser-His-Gly-Trp-Tyr-Pro-Gly-NH2; 5-Histidyl-7-tryptophyl-8-tyrosine-LHRH; Luteinizing hormone-releasing factor II (chicken); cGnRH II. Grades: ≥95%. CAS No. 91097-16-4. Molecular formula: C60H69N17O13. Mole weight: 1236.32. | |
| Lichexanthone | Lichexanthone is separated from the bark of Cupania cinerea. It has a role as a plant metabolite. CAS No. 15222-53-4. Molecular formula: C16H14O5. Mole weight: 286.28. | |
| Lidocaine Impurity 1 (2-(Diethylamino)-N-(Diethylaminoyl)acetamide) | | |
| Lidocaine Impurity 2 (2-[(Diethylcarbamoyl)amino]-N, N-Diethylacetamide) | Cas No. 1596965-85-3. | |
| Limaprost | Limaprost is a potent platelet adhesion inhibitor and vasodilator that increases blood flow and inhibits platelet aggregation. It is an analog of prostaglandin E1 with structural modifications intended to give a prolonged half-life and greater potency. Synonyms: ONO 1206; ONO 1206; ONO 1206; OP 1206; Limaprost; 17α,20-dimethyl-Δ2-PGE1; 17α,20-dimethyl-Δ2-Prostaglandin E1. Grades: >98%. CAS No. 74397-12-9. Molecular formula: C22H36O5. Mole weight: 380.52. | |
| Linagliptin Diene Impurity | an impurity in the synthesis of Linagliptin. Synonyms: Des-(N-butyn-1-yl) N-(Buta-1,2-Dien-1-yl) Linagliptin; 8-((R)-3-Aminopiperidin-1-yl)-7-(buta-1,2-dien-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-1H-purine-2,6(3H,7H)-dione. Grades: > 95%. Molecular formula: C25H28N8O2. Mole weight: 472.54. | |
| Linagliptin Dimer Impurity 2 | Cas No. 1418133-47-7. | |
| Linagliptin Dimer Impurity 3 | Grades: > 95%. Molecular formula: C52H60N16O4. Mole weight: 973.16. | |
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