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Specific Rotation (c=1, H2O): Group: Biochemicals. Grades: Highly Purified. CAS No. 351-50-8. Pack Sizes: 25g. US Biological Life Sciences.
Worldwide
D-Histidine hydrochloride monohydrate
An unnatural isomer of histidine. Synonyms: D-Histidine monohydrochloride monohydrate; D-alpha-Amino-Beta-(4-imidazolyl)propionic acid monohydrochloride monohydrate. Grades: ≥ 98% (TLC). CAS No. 6341-24-8. Molecular formula: C6H10ClN3O2. Mole weight: 191.61.
D-Histidine hydrochloride monohydrate
D-Histidine hydrochloride monohydrate. Group: Biochemicals. Alternative Names: D-His-OH·HCl·H2O. Grades: Highly Purified. CAS No. 6341-24-8. Pack Sizes: 10g, 25g, 50g, 100g, 250g. US Biological Life Sciences.
Worldwide
D-Histidine hydrochloride monohydrate 99+%
D-Histidine hydrochloride monohydrate 99+%. Group: Biochemicals. Grades: Reagent Grade. CAS No. 6341-24-8. Pack Sizes: 1g, 5g, 25g, 100g, 250g. US Biological Life Sciences.
Worldwide
Nα-Boc-D-histidine
Nα-Boc-D-histidine is an N-Boc-protected form of D-Histidine. D-Histidine is the unnatural, biologically inactive isomer of L-Histidine. D-histidine is known to inhibit cell division, and is also used by certain types of bacteria (such as Escherichia coli) as a source of L-Histidine. Synonyms: Boc-D-His-OH; 2-[(tert-Butoxycarbonyl)amino]-3-(1H-imidazol-4-yl)propanoic acid; N-(tert-Butoxycarbonyl)-D-histidine; NAlpha-Boc-D-histidine; BOC-D-HISTIDINE; N(a)-Boc-D-histidine. Grades: ≥ 97%. CAS No. 50654-94-9. Molecular formula: C11H17N3O4. Mole weight: 255.29.
Synonyms: benzoyl-D-histidine; D-Histidine, N-benzoyl-. Grades: >95% by HPLC. CAS No. 127063-22-3. Molecular formula: C13H13N3O3. Mole weight: 259.26.
Nim-Trityl-D-histidine
Nim-Trityl-D-histidine is used as a reagent in solid-phase synthesis and screening of peptides as catalysts for asymmetric induction of desymmetrization of bis(phenol)s. Synonyms: D-His(Trt)-OH; (2R)-2-amino-3-(1-tritylimidazol-4-yl)propanoic acid; Nim-Trityl-D-histidine; D-Histidine,1-(triphenylmethyl); H-D-His(Trt)-OH. Grades: ≥ 99% (HPLC). CAS No. 199119-46-5. Molecular formula: C25H23N3O2. Mole weight: 397.48.
Standard building block for introduction of D-histidine amino-acid residues by Boc SPPS. Uses: Peptide synthesis. Group: Amino acids. Alternative Names: Boc-D-His-OH, N-α-t.-Boc-D-histidine. CAS No. 50654-94-9. Mole weight: 255.27. Catalog: ACM50654949.
(Des-Gly10,D-His2,D-Leu6,Pro-NHEt9)-LHRH is an impurity of Leuprolide, which is a synthetic nonapeptide analog of gonadotropin-releasing hormone used as an antineoplastic agent, a gonadotropin-releasing hormone agonist, and an anti-estrogen. Synonyms: (D-His2)-Leuprolide; 2-D-Histidine-6-D-leucine-9-(N-ethyl-L-prolinamide)-1-9-luteinizing Hormone-releasing Factor (swine); Leuprolide Acetate EP Impurity B; L-pyroglutamyl-D-histidyl-L-tryptophyl-L-seryl-L-tyrosyl-D-leucyl-L-leucyl-L-arginyl-L-proline ethylamide; H-Pyr-D-His-Trp-Ser-Tyr-D-Leu-Leu-Arg-Pro-NHEt; 5-Oxo-L-prolyl-D-histidyl-L-tryptophyl-L-seryl-L-tyrosyl-D-leucyl-L-leucyl-L-arginyl-N-ethyl-L-prolinamide. Grades: 95%. CAS No. 112642-11-2. Molecular formula: C59H84N16O12. Mole weight: 1209.40.
(Des-Gly10,D-His2,D-Ser4,D-Leu6,Pro-NHEt9)-LHRH
(Des-Gly10,D-His2,D-Ser4,D-Leu6,Pro-NHEt9)-LHRH is the impurity F of the Leuprorelin. Synonyms: (D-His2,D-Ser4)-Leuprolide; Pyr-D-His-Trp-D-Ser-Tyr-D-Leu-Leu-Arg-Pro-NHEt; Leuprolide Acetate EP Impurity F; Leuprorelin EP Impurity F; L-Prolinamide, 5-oxo-L-prolyl-D-histidyl-L-tryptophyl-D-seryl-L-tyrosyl-D-leucyl-L-leucyl-L-arginyl-N-ethyl-; [2-D-Histidine,4-D-serine]leuprorelin; (S)-N-Ethyl-1-(((S)-5-oxopyrrolidine-2-carbonyl)-D-histidyl-L-tryptophyl-D-seryl-L-tyrosyl-D-leucyl-L-leucyl-L-arginyl)pyrrolidine-2-carboxamide. Grades: ≥95%. CAS No. 1872435-00-1. Molecular formula: C59H84N16O12. Mole weight: 1209.42.
(D-His2,D-Ser(tBu)6,Azagly10)-LHRH
(D-His2,D-Ser(tBu)6,Azagly10)-LHRH is the impurity G of the Goserelin. Synonyms: (D-His2)-Goserelin; Pyr-D-His-Trp-Ser-Tyr-D-Ser(tBu)-Leu-Arg-Pro-Azagly-NH2; L-pyroglutamyl-D-histidyl-L-tryptophyl-L-seryl-L-tyrosyl-O-tert-butyl-D-seryl-L-leucyl-L-arginyl-N'-carbamoyl-L-prolinehydrazide; Goserelin EP Impurity G; Goserelin Impurity 7; [2-D-Histidine]goserelin; (2S)-N-[(2R,5S,8S,11S,14R,17S,20S)-25-Amino-20-({(2S)-2-[(2-carbamoylhydrazino)carbonyl]-1-pyrrolidinyl}carbonyl)-11-(4-hydroxybenzyl)-8-(hydroxymethyl)-1-(1H-imidazol-5-yl)-25-imino-5-(1H-indol-3-ylmethyl)-17-isobutyl-14-{[(2-methyl-2-propanyl)oxy]methyl}-3,6,9,12,15,18-hexaoxo-4,7,10,13,16,19,24-heptaazapentacosan-2-yl]-5-oxo-2-pyrrolidinecarboxamide. Grades: ≥95%. CAS No. 1926163-37-2. Molecular formula: C59H84N18O14. Mole weight: 1269.41.
D-Histidine methyl ester is a protected form of D-Histidine. D-Histidine is the unnatural, biologically inactive isomer of L-Histidine. D-histidine is known to inhibit cell division, and is also used by certain types of bacteria (such as Escherichia coli) as a source of L-Histidine. Synonyms: D-Histidine methyl ester dihydrochloride; (R)-methyl 2-amino-3-(1H-imidazol-4-yl)propanoate dihydrochloride; H-D-His-OMe 2HCl; D-HISTIDINE METHYLESTER DIHYDROCHLORIDE; H-D-His-OMe 2HCl; methyl (2R)-2-amino-3-(1H-imidazol-5-yl)propanoate dihydrochloride; H D His OMe 2HCl. Grades: ≥ 98% (HPLC). CAS No. 4467-54-3. Molecular formula: C7H11N3O2·2HCl. Mole weight: 242.11.
D-His-OMe·2HCl
D-His-OMe·2HCl. Group: Biochemicals. Alternative Names: D-Histidine methyl ester dihydrochloride. Grades: Highly Purified. CAS No. 4467-54-3. Pack Sizes: 5g, 10g, 25g, 50g, 100g. Molecular Formula: C7H11N3O2·2HCl. US Biological Life Sciences.
Worldwide
Fmoc-D-His(Clt)-OH
Building block for introduction of D-histidine by Fmoc SPPS. The Clt group is more stable to acid than Trt and its use avoids the formation of partially protected histidine peptides during the preparation of protected fragments. Uses: Peptide synthesis. Group: Amino acids. Alternative Names: Fmoc-D-His(Clt)-OH, N-α-Fmoc-N-im-2-chlorotrityl-D-histidine. CAS No. 1272755-56-2. Molecular formula: C40H32ClN3O4. Mole weight: 654.15. IUPACName: (2R)-3-[1-[(2-chlorophenyl)-diphenylmethyl]imidazol-4-yl]-2-(9H-fluoren-9-ylmethoxycarbonylamino)propanoic acid. Canonical SMILES: C1=CC=C (C=C1)C (C2=CC=CC=C2) (C3=CC=CC=C3Cl)N4C=C (N=C4)CC (C (=O)O)NC (=O)OCC5C6=CC=CC=C6C7=CC=CC=C57. Catalog: ACM1272755562.
Fmoc-D-His(Trt)-OH
Standard building block of introduction of D-histidine amino-acid residues by Fmoc SPPS. Uses: Peptide synthesis. Group: Amino acids. Alternative Names: Fmoc-N(im)-trityl-D-histidine. CAS No. 135610-90-1. Molecular formula: C40H33N3O4. Mole weight: 619.71. Canonical SMILES: OC (=O)[C@@H] (Cc1cn (cn1)C (c2ccccc2) (c3ccccc3)c4ccccc4)NC (=O)OCC5c6ccccc6-c7ccccc57. Catalog: ACM135610901.
An acetate salt obtained by combining histrelin with acetic acid. The amount of acetic acid present can vary and a variable amount of water may be present. Histrelin acetate is used as a subcutaneous hydrogel implant for the treatment of prostate cancer and for the suppression of gonadal sex hormone production in children with central precocious puberty. Synonyms: 1-9-Luteinizing hormone-releasing factor (swine), 6-[1-(phenylmethyl)-D-histidine]-9-(N-ethyl-L-prolinamide)-, acetate (1:x); 1-9-Luteinizing hormone-releasing factor (swine), 6-[1-(phenylmethyl)-D-histidine]-9-(N-ethyl-L-prolinamide)-, acetate (salt); Supprelin; H-Pyr-His-Trp-Ser-Tyr-D-His(1-Bn)-Leu-Arg-Pro-NHEt.xCH3CO2H; L-pyroglutamyl-L-histidyl-L-tryptophyl-L-seryl-L-tyrosyl-1-benzyl-D-histidyl-L-leucyl-L-arginyl-L-proline ethylamide acetic acid. Grades: >98%. CAS No. 220810-26-4. Molecular formula: C66H86N18O12.xC2H4O2. Mole weight: 1323.50 (free base).